./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 791161d1 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-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.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 32a406239684e899577576103e146c0b88a65f19a1f620e7a11415e96a39c63a --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 02:47:20,380 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 02:47:20,382 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 02:47:20,408 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 02:47:20,409 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 02:47:20,410 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 02:47:20,411 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 02:47:20,412 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 02:47:20,413 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 02:47:20,414 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 02:47:20,415 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 02:47:20,417 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 02:47:20,418 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 02:47:20,422 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 02:47:20,423 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 02:47:20,425 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 02:47:20,427 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 02:47:20,428 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 02:47:20,430 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 02:47:20,436 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 02:47:20,437 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 02:47:20,439 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 02:47:20,440 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 02:47:20,441 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 02:47:20,441 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 02:47:20,444 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 02:47:20,447 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 02:47:20,448 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 02:47:20,449 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 02:47:20,449 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 02:47:20,450 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 02:47:20,450 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 02:47:20,451 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 02:47:20,452 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 02:47:20,453 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 02:47:20,453 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 02:47:20,454 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 02:47:20,454 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 02:47:20,454 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 02:47:20,454 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 02:47:20,455 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 02:47:20,456 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 02:47:20,457 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-23 02:47:20,476 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 02:47:20,477 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 02:47:20,477 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 02:47:20,477 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 02:47:20,478 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 02:47:20,478 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 02:47:20,478 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 02:47:20,478 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 02:47:20,479 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 02:47:20,480 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 02:47:20,480 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 02:47:20,480 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 02:47:20,480 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 02:47:20,480 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 02:47:20,480 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 02:47:20,480 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 02:47:20,481 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 02:47:20,481 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 02:47:20,481 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 02:47:20,481 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 02:47:20,481 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 02:47:20,481 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 02:47:20,482 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 02:47:20,482 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 02:47:20,482 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 02:47:20,482 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 02:47:20,482 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-23 02:47:20,482 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 02:47:20,482 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 02:47:20,483 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 02:47:20,483 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 32a406239684e899577576103e146c0b88a65f19a1f620e7a11415e96a39c63a [2022-07-23 02:47:20,711 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 02:47:20,733 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 02:47:20,736 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 02:47:20,737 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 02:47:20,738 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 02:47:20,739 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i [2022-07-23 02:47:20,808 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b17b188bc/bd52314169ee4734897106d67e01b528/FLAG30aee66ba [2022-07-23 02:47:21,618 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 02:47:21,619 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i [2022-07-23 02:47:21,675 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b17b188bc/bd52314169ee4734897106d67e01b528/FLAG30aee66ba [2022-07-23 02:47:21,808 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b17b188bc/bd52314169ee4734897106d67e01b528 [2022-07-23 02:47:21,811 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 02:47:21,812 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 02:47:21,814 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 02:47:21,815 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 02:47:21,817 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 02:47:21,817 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 02:47:21" (1/1) ... [2022-07-23 02:47:21,818 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@508435a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:47:21, skipping insertion in model container [2022-07-23 02:47:21,818 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 02:47:21" (1/1) ... [2022-07-23 02:47:21,823 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 02:47:21,936 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 02:47:25,473 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-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[512219,512232] [2022-07-23 02:47:25,476 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-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[512366,512379] [2022-07-23 02:47:25,476 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-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[512505,512518] [2022-07-23 02:47:25,477 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-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[512663,512676] [2022-07-23 02:47:25,504 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 02:47:25,569 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 02:47:25,655 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: mii_reg = (unsigned int )mii_reg & 63487U [6467] 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) [2022-07-23 02:47:25,663 INFO L158 Benchmark]: Toolchain (without parser) took 3850.09ms. Allocated memory was 123.7MB in the beginning and 211.8MB in the end (delta: 88.1MB). Free memory was 86.2MB in the beginning and 99.3MB in the end (delta: -13.0MB). Peak memory consumption was 90.0MB. Max. memory is 16.1GB. [2022-07-23 02:47:25,664 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 96.5MB. Free memory is still 74.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 02:47:25,664 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3846.81ms. Allocated memory was 123.7MB in the beginning and 211.8MB in the end (delta: 88.1MB). Free memory was 86.2MB in the beginning and 99.3MB in the end (delta: -13.0MB). Peak memory consumption was 90.0MB. Max. memory is 16.1GB. [2022-07-23 02:47:25,666 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 96.5MB. Free memory is still 74.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3846.81ms. Allocated memory was 123.7MB in the beginning and 211.8MB in the end (delta: 88.1MB). Free memory was 86.2MB in the beginning and 99.3MB in the end (delta: -13.0MB). Peak memory consumption was 90.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: TypeCheckException: Type check failed for C: mii_reg = (unsigned int )mii_reg & 63487U [6467] de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: TypeCheckException: Type check failed for C: mii_reg = (unsigned int )mii_reg & 63487U [6467]: 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-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.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 32a406239684e899577576103e146c0b88a65f19a1f620e7a11415e96a39c63a --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 02:47:27,379 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 02:47:27,382 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 02:47:27,433 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 02:47:27,434 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 02:47:27,434 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 02:47:27,435 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 02:47:27,436 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 02:47:27,438 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 02:47:27,442 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 02:47:27,443 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 02:47:27,446 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 02:47:27,447 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 02:47:27,451 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 02:47:27,452 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 02:47:27,453 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 02:47:27,453 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 02:47:27,455 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 02:47:27,456 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 02:47:27,457 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 02:47:27,458 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 02:47:27,461 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 02:47:27,461 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 02:47:27,463 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 02:47:27,464 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 02:47:27,477 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 02:47:27,482 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 02:47:27,482 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 02:47:27,484 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 02:47:27,484 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 02:47:27,485 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 02:47:27,485 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 02:47:27,486 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 02:47:27,487 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 02:47:27,488 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 02:47:27,489 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 02:47:27,489 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 02:47:27,490 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 02:47:27,490 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 02:47:27,490 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 02:47:27,491 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 02:47:27,492 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 02:47:27,497 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-23 02:47:27,520 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 02:47:27,521 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 02:47:27,521 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 02:47:27,522 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 02:47:27,522 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 02:47:27,522 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 02:47:27,523 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 02:47:27,523 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 02:47:27,524 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 02:47:27,525 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 02:47:27,525 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 02:47:27,525 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 02:47:27,525 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 02:47:27,525 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 02:47:27,525 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-23 02:47:27,525 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-23 02:47:27,526 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-23 02:47:27,526 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 02:47:27,526 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 02:47:27,526 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 02:47:27,526 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 02:47:27,526 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 02:47:27,527 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 02:47:27,527 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 02:47:27,527 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 02:47:27,527 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 02:47:27,527 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 02:47:27,527 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-23 02:47:27,527 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-23 02:47:27,528 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 02:47:27,528 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 02:47:27,528 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 02:47:27,528 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-23 02:47:27,528 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 32a406239684e899577576103e146c0b88a65f19a1f620e7a11415e96a39c63a [2022-07-23 02:47:27,830 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 02:47:27,855 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 02:47:27,857 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 02:47:27,858 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 02:47:27,858 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 02:47:27,859 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i [2022-07-23 02:47:27,908 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4380fcdeb/aa7720bfdaea4cea8ddecd25245b4c35/FLAG1e9a9b94f [2022-07-23 02:47:28,683 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 02:47:28,684 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i [2022-07-23 02:47:28,753 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4380fcdeb/aa7720bfdaea4cea8ddecd25245b4c35/FLAG1e9a9b94f [2022-07-23 02:47:28,938 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4380fcdeb/aa7720bfdaea4cea8ddecd25245b4c35 [2022-07-23 02:47:28,940 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 02:47:28,942 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 02:47:28,943 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 02:47:28,943 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 02:47:28,946 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 02:47:28,947 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 02:47:28" (1/1) ... [2022-07-23 02:47:28,949 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6858d7fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:47:28, skipping insertion in model container [2022-07-23 02:47:28,949 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 02:47:28" (1/1) ... [2022-07-23 02:47:28,954 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 02:47:29,100 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 02:47:32,568 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-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[512219,512232] [2022-07-23 02:47:32,576 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-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[512366,512379] [2022-07-23 02:47:32,577 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-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[512505,512518] [2022-07-23 02:47:32,577 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-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[512663,512676] [2022-07-23 02:47:32,599 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 02:47:32,659 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-23 02:47:32,726 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 02:47:33,043 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-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[512219,512232] [2022-07-23 02:47:33,044 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-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[512366,512379] [2022-07-23 02:47:33,044 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-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[512505,512518] [2022-07-23 02:47:33,045 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-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[512663,512676] [2022-07-23 02:47:33,053 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 02:47:33,089 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 02:47:33,451 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-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[512219,512232] [2022-07-23 02:47:33,452 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-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[512366,512379] [2022-07-23 02:47:33,452 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-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[512505,512518] [2022-07-23 02:47:33,453 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-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[512663,512676] [2022-07-23 02:47:33,460 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 02:47:33,717 INFO L208 MainTranslator]: Completed translation [2022-07-23 02:47:33,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:47:33 WrapperNode [2022-07-23 02:47:33,718 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 02:47:33,719 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 02:47:33,720 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 02:47:33,720 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 02:47:33,724 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:47:33" (1/1) ... [2022-07-23 02:47:33,889 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:47:33" (1/1) ... [2022-07-23 02:47:34,121 INFO L137 Inliner]: procedures = 593, calls = 5653, calls flagged for inlining = 344, calls inlined = 320, statements flattened = 10381 [2022-07-23 02:47:34,122 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 02:47:34,123 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 02:47:34,123 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 02:47:34,123 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 02:47:34,131 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:47:33" (1/1) ... [2022-07-23 02:47:34,131 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:47:33" (1/1) ... [2022-07-23 02:47:34,291 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:47:33" (1/1) ... [2022-07-23 02:47:34,292 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:47:33" (1/1) ... [2022-07-23 02:47:34,455 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:47:33" (1/1) ... [2022-07-23 02:47:34,477 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:47:33" (1/1) ... [2022-07-23 02:47:34,520 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:47:33" (1/1) ... [2022-07-23 02:47:34,563 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 02:47:34,564 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 02:47:34,565 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 02:47:34,565 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 02:47:34,565 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:47:33" (1/1) ... [2022-07-23 02:47:34,570 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 02:47:34,576 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 02:47:34,593 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) [2022-07-23 02:47:34,610 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 [2022-07-23 02:47:34,622 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-07-23 02:47:34,623 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-07-23 02:47:34,623 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_irq_disable [2022-07-23 02:47:34,623 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_irq_disable [2022-07-23 02:47:34,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-23 02:47:34,623 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-23 02:47:34,623 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-07-23 02:47:34,623 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-07-23 02:47:34,623 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_intr [2022-07-23 02:47:34,624 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_intr [2022-07-23 02:47:34,624 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-23 02:47:34,624 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-23 02:47:34,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-23 02:47:34,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-23 02:47:34,624 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_minnow_platform_init [2022-07-23 02:47:34,624 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_minnow_platform_init [2022-07-23 02:47:34,624 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_open [2022-07-23 02:47:34,624 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_open [2022-07-23 02:47:34,625 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2022-07-23 02:47:34,625 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2022-07-23 02:47:34,625 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2022-07-23 02:47:34,625 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2022-07-23 02:47:34,625 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_reinit_locked [2022-07-23 02:47:34,625 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_reinit_locked [2022-07-23 02:47:34,625 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_hal_power_up_phy [2022-07-23 02:47:34,625 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_hal_power_up_phy [2022-07-23 02:47:34,626 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_setup_tx_resources [2022-07-23 02:47:34,626 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_setup_tx_resources [2022-07-23 02:47:34,626 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-07-23 02:47:34,626 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-07-23 02:47:34,626 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-23 02:47:34,626 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-23 02:47:34,626 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-23 02:47:34,626 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-23 02:47:34,626 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_netpoll [2022-07-23 02:47:34,627 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_netpoll [2022-07-23 02:47:34,627 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_plat_init_hw [2022-07-23 02:47:34,627 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_plat_init_hw [2022-07-23 02:47:34,627 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_free_rx_resources [2022-07-23 02:47:34,627 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_free_rx_resources [2022-07-23 02:47:34,627 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_free_tx_resources [2022-07-23 02:47:34,627 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_free_tx_resources [2022-07-23 02:47:34,627 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-07-23 02:47:34,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-07-23 02:47:34,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_pch_gbe_exit_module_17_2 [2022-07-23 02:47:34,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_pch_gbe_exit_module_17_2 [2022-07-23 02:47:34,628 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-07-23 02:47:34,628 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-07-23 02:47:34,628 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-23 02:47:34,628 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-23 02:47:34,628 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-07-23 02:47:34,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-07-23 02:47:34,628 INFO L130 BoogieDeclarations]: Found specification of procedure dma_zalloc_coherent [2022-07-23 02:47:34,629 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_zalloc_coherent [2022-07-23 02:47:34,629 INFO L130 BoogieDeclarations]: Found specification of procedure pch_set_station_address [2022-07-23 02:47:34,629 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_set_station_address [2022-07-23 02:47:34,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_26 [2022-07-23 02:47:34,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_26 [2022-07-23 02:47:34,629 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-23 02:47:34,629 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-23 02:47:34,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-23 02:47:34,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-23 02:47:34,630 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mdio_write [2022-07-23 02:47:34,630 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mdio_write [2022-07-23 02:47:34,630 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-23 02:47:34,630 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-23 02:47:34,630 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-07-23 02:47:34,630 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-07-23 02:47:34,630 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-23 02:47:34,630 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-23 02:47:34,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-23 02:47:34,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-23 02:47:34,631 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2022-07-23 02:47:34,631 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2022-07-23 02:47:34,631 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-23 02:47:34,631 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-23 02:47:34,631 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-07-23 02:47:34,631 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-07-23 02:47:34,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-23 02:47:34,632 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_power_up [2022-07-23 02:47:34,632 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_power_up [2022-07-23 02:47:34,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-23 02:47:34,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-23 02:47:34,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-23 02:47:34,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-23 02:47:34,632 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-07-23 02:47:34,632 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-07-23 02:47:34,632 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_resume [2022-07-23 02:47:34,633 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_resume [2022-07-23 02:47:34,633 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-23 02:47:34,633 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-23 02:47:34,633 INFO L130 BoogieDeclarations]: Found specification of procedure pch_ch_event_write [2022-07-23 02:47:34,633 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_ch_event_write [2022-07-23 02:47:34,633 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2022-07-23 02:47:34,633 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2022-07-23 02:47:34,633 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-07-23 02:47:34,633 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-07-23 02:47:34,634 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-23 02:47:34,634 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-23 02:47:34,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-07-23 02:47:34,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-07-23 02:47:34,634 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-23 02:47:34,634 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-23 02:47:34,634 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_enable_dma_rx [2022-07-23 02:47:34,634 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_enable_dma_rx [2022-07-23 02:47:34,634 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_configure_rx [2022-07-23 02:47:34,635 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_configure_rx [2022-07-23 02:47:34,635 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_wait_clr_bit [2022-07-23 02:47:34,635 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_wait_clr_bit [2022-07-23 02:47:34,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-23 02:47:34,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-23 02:47:34,635 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-23 02:47:34,635 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-23 02:47:34,635 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2022-07-23 02:47:34,636 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2022-07-23 02:47:34,636 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-23 02:47:34,636 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-23 02:47:34,636 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_remove [2022-07-23 02:47:34,636 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_remove [2022-07-23 02:47:34,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-23 02:47:34,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-23 02:47:34,636 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-07-23 02:47:34,636 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-07-23 02:47:34,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-23 02:47:34,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-23 02:47:34,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-23 02:47:34,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-23 02:47:34,637 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-07-23 02:47:34,637 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-07-23 02:47:34,637 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_force_mac_fc [2022-07-23 02:47:34,637 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_force_mac_fc [2022-07-23 02:47:34,637 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_suspend [2022-07-23 02:47:34,637 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_suspend [2022-07-23 02:47:34,638 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-07-23 02:47:34,638 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-07-23 02:47:34,638 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-23 02:47:34,638 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-23 02:47:34,638 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-23 02:47:34,638 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-23 02:47:34,638 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_set_value [2022-07-23 02:47:34,638 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_set_value [2022-07-23 02:47:34,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-23 02:47:34,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-23 02:47:34,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-23 02:47:34,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-23 02:47:34,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-23 02:47:34,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-07-23 02:47:34,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-07-23 02:47:34,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_5 [2022-07-23 02:47:34,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_5 [2022-07-23 02:47:34,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2022-07-23 02:47:34,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2022-07-23 02:47:34,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-07-23 02:47:34,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-07-23 02:47:34,640 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-07-23 02:47:34,640 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-07-23 02:47:34,640 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-23 02:47:34,640 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-07-23 02:47:34,640 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-07-23 02:47:34,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-23 02:47:34,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-23 02:47:34,641 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-23 02:47:34,641 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-23 02:47:34,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-23 02:47:34,641 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-23 02:47:34,641 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-23 02:47:34,641 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-23 02:47:34,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-23 02:47:34,641 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-23 02:47:34,641 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-07-23 02:47:34,641 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-07-23 02:47:34,642 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-07-23 02:47:34,642 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-07-23 02:47:34,642 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2022-07-23 02:47:34,642 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2022-07-23 02:47:34,642 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_set_wol_event [2022-07-23 02:47:34,642 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_set_wol_event [2022-07-23 02:47:34,642 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-23 02:47:34,642 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-23 02:47:34,642 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_ctrl_miim [2022-07-23 02:47:34,642 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_ctrl_miim [2022-07-23 02:47:34,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-23 02:47:34,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-23 02:47:34,643 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_get_regs_len [2022-07-23 02:47:34,643 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_get_regs_len [2022-07-23 02:47:34,643 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-23 02:47:34,643 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-23 02:47:34,643 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-23 02:47:34,643 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2022-07-23 02:47:34,643 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2022-07-23 02:47:34,644 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 02:47:34,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 02:47:34,644 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_alloc_rx_buffers [2022-07-23 02:47:34,644 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_alloc_rx_buffers [2022-07-23 02:47:34,644 INFO L130 BoogieDeclarations]: Found specification of procedure __pch_gbe_suspend [2022-07-23 02:47:34,644 INFO L138 BoogieDeclarations]: Found implementation of procedure __pch_gbe_suspend [2022-07-23 02:47:34,644 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-07-23 02:47:34,644 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-07-23 02:47:34,644 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-23 02:47:34,645 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_plat_get_bus_info [2022-07-23 02:47:34,645 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_plat_get_bus_info [2022-07-23 02:47:34,645 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-07-23 02:47:34,645 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-07-23 02:47:34,645 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-23 02:47:34,645 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_power_down [2022-07-23 02:47:34,645 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_power_down [2022-07-23 02:47:34,645 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-23 02:47:34,645 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-23 02:47:34,645 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-23 02:47:34,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-23 02:47:34,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-23 02:47:34,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-23 02:47:34,646 INFO L130 BoogieDeclarations]: Found specification of procedure csum_tcpudp_magic [2022-07-23 02:47:34,646 INFO L138 BoogieDeclarations]: Found implementation of procedure csum_tcpudp_magic [2022-07-23 02:47:34,646 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_update_stats [2022-07-23 02:47:34,646 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_update_stats [2022-07-23 02:47:34,646 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-23 02:47:34,646 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-23 02:47:34,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-23 02:47:34,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-23 02:47:34,647 INFO L130 BoogieDeclarations]: Found specification of procedure skb_checksum [2022-07-23 02:47:34,647 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_checksum [2022-07-23 02:47:34,647 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mdio_read [2022-07-23 02:47:34,647 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mdio_read [2022-07-23 02:47:34,647 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_clean_rx_ring [2022-07-23 02:47:34,647 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_clean_rx_ring [2022-07-23 02:47:34,647 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-07-23 02:47:34,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-07-23 02:47:34,648 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_up [2022-07-23 02:47:34,648 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_up [2022-07-23 02:47:34,648 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-23 02:47:34,648 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-23 02:47:34,648 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-23 02:47:34,648 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-23 02:47:34,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-07-23 02:47:34,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-07-23 02:47:34,648 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_gset [2022-07-23 02:47:34,649 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_gset [2022-07-23 02:47:34,649 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_clean_tx_ring [2022-07-23 02:47:34,649 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_clean_tx_ring [2022-07-23 02:47:34,649 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_reset [2022-07-23 02:47:34,649 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_reset [2022-07-23 02:47:34,649 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-07-23 02:47:34,649 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-07-23 02:47:34,649 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies [2022-07-23 02:47:34,649 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies [2022-07-23 02:47:34,650 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_stop_14_2 [2022-07-23 02:47:34,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_stop_14_2 [2022-07-23 02:47:34,650 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_stop [2022-07-23 02:47:34,650 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_stop [2022-07-23 02:47:34,650 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-23 02:47:34,650 INFO L130 BoogieDeclarations]: Found specification of procedure ns_to_ktime [2022-07-23 02:47:34,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_to_ktime [2022-07-23 02:47:34,650 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2022-07-23 02:47:34,650 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2022-07-23 02:47:34,650 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-07-23 02:47:34,651 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-07-23 02:47:34,651 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-23 02:47:34,651 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-23 02:47:34,651 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value_probe [2022-07-23 02:47:34,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value_probe [2022-07-23 02:47:34,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-23 02:47:34,651 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_io_resume [2022-07-23 02:47:34,651 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_io_resume [2022-07-23 02:47:34,651 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~s32~0 [2022-07-23 02:47:34,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~s32~0 [2022-07-23 02:47:34,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-23 02:47:34,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-23 02:47:34,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-23 02:47:34,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-23 02:47:34,652 INFO L130 BoogieDeclarations]: Found specification of procedure pch_ch_event_read [2022-07-23 02:47:34,652 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_ch_event_read [2022-07-23 02:47:34,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-23 02:47:34,652 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-07-23 02:47:34,652 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-07-23 02:47:34,653 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-07-23 02:47:34,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-07-23 02:47:34,653 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_nway_reset [2022-07-23 02:47:34,653 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_nway_reset [2022-07-23 02:47:34,653 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-23 02:47:34,653 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-23 02:47:34,653 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-07-23 02:47:34,653 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-07-23 02:47:34,653 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_irq_enable [2022-07-23 02:47:34,654 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_irq_enable [2022-07-23 02:47:34,654 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-07-23 02:47:34,654 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-07-23 02:47:34,654 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-23 02:47:34,654 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-23 02:47:34,654 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_hw_reset [2022-07-23 02:47:34,654 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_hw_reset [2022-07-23 02:47:34,654 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_tx_timeout [2022-07-23 02:47:34,654 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_tx_timeout [2022-07-23 02:47:34,654 INFO L130 BoogieDeclarations]: Found specification of procedure mii_link_ok [2022-07-23 02:47:34,655 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_link_ok [2022-07-23 02:47:34,655 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-23 02:47:34,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-23 02:47:34,655 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-23 02:47:34,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-23 02:47:34,655 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_sset [2022-07-23 02:47:34,655 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_sset [2022-07-23 02:47:34,655 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_hal_power_down_phy [2022-07-23 02:47:34,655 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_hal_power_down_phy [2022-07-23 02:47:34,655 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-07-23 02:47:34,656 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-07-23 02:47:34,656 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_set_mode [2022-07-23 02:47:34,656 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_set_mode [2022-07-23 02:47:34,656 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-23 02:47:34,656 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-23 02:47:34,656 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-23 02:47:34,656 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-23 02:47:34,656 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_setup_rx_resources [2022-07-23 02:47:34,656 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_setup_rx_resources [2022-07-23 02:47:34,656 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-23 02:47:34,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-23 02:47:34,657 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-23 02:47:34,657 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-23 02:47:34,657 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-23 02:47:34,657 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-23 02:47:34,657 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_validate_option [2022-07-23 02:47:34,657 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_validate_option [2022-07-23 02:47:34,657 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_reset_hw [2022-07-23 02:47:34,657 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_reset_hw [2022-07-23 02:47:34,657 INFO L130 BoogieDeclarations]: Found specification of procedure udp_hdr [2022-07-23 02:47:34,658 INFO L138 BoogieDeclarations]: Found implementation of procedure udp_hdr [2022-07-23 02:47:34,658 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_setup_rctl [2022-07-23 02:47:34,658 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_setup_rctl [2022-07-23 02:47:34,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-23 02:47:34,658 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_sw_reset [2022-07-23 02:47:34,658 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_sw_reset [2022-07-23 02:47:34,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-23 02:47:34,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-23 02:47:34,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-23 02:47:34,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-23 02:47:34,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-23 02:47:34,659 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_hal_phy_hw_reset [2022-07-23 02:47:34,659 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_hal_phy_hw_reset [2022-07-23 02:47:34,659 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_write_reg_miic [2022-07-23 02:47:34,659 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_write_reg_miic [2022-07-23 02:47:34,659 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-23 02:47:34,659 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-23 02:47:34,659 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-07-23 02:47:34,659 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-07-23 02:47:34,660 INFO L130 BoogieDeclarations]: Found specification of procedure pch_ch_control_write [2022-07-23 02:47:34,660 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_ch_control_write [2022-07-23 02:47:34,660 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_set_multi [2022-07-23 02:47:34,660 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_set_multi [2022-07-23 02:47:34,660 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_shutdown [2022-07-23 02:47:34,660 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_shutdown [2022-07-23 02:47:34,660 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-23 02:47:34,660 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-23 02:47:34,660 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-07-23 02:47:34,660 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-07-23 02:47:34,661 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_read_reg_miic [2022-07-23 02:47:34,661 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_read_reg_miic [2022-07-23 02:47:34,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-23 02:47:34,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-23 02:47:34,661 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_read_mac_addr [2022-07-23 02:47:34,661 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_read_mac_addr [2022-07-23 02:47:34,661 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_set_rgmii_ctrl [2022-07-23 02:47:34,661 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_set_rgmii_ctrl [2022-07-23 02:47:34,662 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed [2022-07-23 02:47:34,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed [2022-07-23 02:47:34,662 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_down [2022-07-23 02:47:34,662 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_down [2022-07-23 02:47:34,662 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_free_irq [2022-07-23 02:47:34,662 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_free_irq [2022-07-23 02:47:34,662 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_mar_set [2022-07-23 02:47:34,662 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_mar_set [2022-07-23 02:47:34,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-23 02:47:34,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-23 02:47:35,787 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 02:47:35,792 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 02:47:36,276 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-23 02:50:09,092 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-23 02:50:14,254 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 02:50:14,325 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 02:50:14,325 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-23 02:50:14,330 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 02:50:14 BoogieIcfgContainer [2022-07-23 02:50:14,331 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 02:50:14,332 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-23 02:50:14,332 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-23 02:50:14,334 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-23 02:50:14,334 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 02:47:28" (1/3) ... [2022-07-23 02:50:14,335 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cc3c6a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 02:50:14, skipping insertion in model container [2022-07-23 02:50:14,335 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:47:33" (2/3) ... [2022-07-23 02:50:14,335 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cc3c6a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 02:50:14, skipping insertion in model container [2022-07-23 02:50:14,336 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 02:50:14" (3/3) ... [2022-07-23 02:50:14,336 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i [2022-07-23 02:50:14,359 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-23 02:50:14,360 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-07-23 02:50:14,486 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-23 02:50:14,491 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@7895f9ea, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@1f89b725 [2022-07-23 02:50:14,491 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-07-23 02:50:14,504 INFO L276 IsEmpty]: Start isEmpty. Operand has 3374 states, 2352 states have (on average 1.2699829931972788) internal successors, (2987), 2396 states have internal predecessors, (2987), 852 states have call successors, (852), 170 states have call predecessors, (852), 169 states have return successors, (842), 825 states have call predecessors, (842), 842 states have call successors, (842) [2022-07-23 02:50:14,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2022-07-23 02:50:14,531 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:50:14,531 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:50:14,532 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:50:14,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:50:14,539 INFO L85 PathProgramCache]: Analyzing trace with hash 1155651606, now seen corresponding path program 1 times [2022-07-23 02:50:14,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:50:14,558 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1826280359] [2022-07-23 02:50:14,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:50:14,558 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:50:14,559 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:50:14,561 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) [2022-07-23 02:50:14,562 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-23 02:50:18,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:50:19,137 INFO L263 TraceCheckSpWp]: Trace formula consists of 4240 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 02:50:19,147 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:50:19,533 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 1890 trivial. 0 not checked. [2022-07-23 02:50:19,534 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 02:50:19,536 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:50:19,536 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1826280359] [2022-07-23 02:50:19,536 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1826280359] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:50:19,536 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:50:19,537 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 02:50:19,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214978785] [2022-07-23 02:50:19,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:50:19,542 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 02:50:19,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:50:19,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 02:50:19,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:50:19,573 INFO L87 Difference]: Start difference. First operand has 3374 states, 2352 states have (on average 1.2699829931972788) internal successors, (2987), 2396 states have internal predecessors, (2987), 852 states have call successors, (852), 170 states have call predecessors, (852), 169 states have return successors, (842), 825 states have call predecessors, (842), 842 states have call successors, (842) Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-07-23 02:50:20,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:50:20,802 INFO L93 Difference]: Finished difference Result 9918 states and 13998 transitions. [2022-07-23 02:50:20,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 02:50:20,805 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 260 [2022-07-23 02:50:20,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:50:20,871 INFO L225 Difference]: With dead ends: 9918 [2022-07-23 02:50:20,871 INFO L226 Difference]: Without dead ends: 6572 [2022-07-23 02:50:20,904 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 259 GetRequests, 258 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:50:20,908 INFO L413 NwaCegarLoop]: 5464 mSDtfsCounter, 4498 mSDsluCounter, 4591 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4498 SdHoareTripleChecker+Valid, 10055 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-23 02:50:20,909 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4498 Valid, 10055 Invalid, 44 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-23 02:50:20,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6572 states. [2022-07-23 02:50:21,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6572 to 6570. [2022-07-23 02:50:21,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6570 states, 4594 states have (on average 1.264257727470614) internal successors, (5808), 4679 states have internal predecessors, (5808), 1639 states have call successors, (1639), 336 states have call predecessors, (1639), 335 states have return successors, (1636), 1602 states have call predecessors, (1636), 1636 states have call successors, (1636) [2022-07-23 02:50:21,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6570 states to 6570 states and 9083 transitions. [2022-07-23 02:50:21,281 INFO L78 Accepts]: Start accepts. Automaton has 6570 states and 9083 transitions. Word has length 260 [2022-07-23 02:50:21,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:50:21,285 INFO L495 AbstractCegarLoop]: Abstraction has 6570 states and 9083 transitions. [2022-07-23 02:50:21,285 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-07-23 02:50:21,285 INFO L276 IsEmpty]: Start isEmpty. Operand 6570 states and 9083 transitions. [2022-07-23 02:50:21,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2022-07-23 02:50:21,296 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:50:21,297 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:50:21,383 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-23 02:50:21,517 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:50:21,517 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:50:21,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:50:21,518 INFO L85 PathProgramCache]: Analyzing trace with hash -1349063657, now seen corresponding path program 1 times [2022-07-23 02:50:21,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:50:21,521 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1194760371] [2022-07-23 02:50:21,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:50:21,522 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:50:21,522 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:50:21,536 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) [2022-07-23 02:50:21,538 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-23 02:50:26,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:50:26,285 INFO L263 TraceCheckSpWp]: Trace formula consists of 4327 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 02:50:26,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:50:26,785 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 1890 trivial. 0 not checked. [2022-07-23 02:50:26,785 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 02:50:26,785 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:50:26,785 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1194760371] [2022-07-23 02:50:26,785 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1194760371] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:50:26,786 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:50:26,786 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 02:50:26,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805067799] [2022-07-23 02:50:26,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:50:26,787 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 02:50:26,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:50:26,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 02:50:26,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:50:26,788 INFO L87 Difference]: Start difference. First operand 6570 states and 9083 transitions. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-07-23 02:50:28,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:50:28,179 INFO L93 Difference]: Finished difference Result 15312 states and 21087 transitions. [2022-07-23 02:50:28,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 02:50:28,180 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 278 [2022-07-23 02:50:28,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:50:28,259 INFO L225 Difference]: With dead ends: 15312 [2022-07-23 02:50:28,259 INFO L226 Difference]: Without dead ends: 8789 [2022-07-23 02:50:28,290 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 277 GetRequests, 276 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:50:28,294 INFO L413 NwaCegarLoop]: 5364 mSDtfsCounter, 3733 mSDsluCounter, 4553 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3733 SdHoareTripleChecker+Valid, 9917 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-23 02:50:28,295 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3733 Valid, 9917 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-23 02:50:28,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8789 states. [2022-07-23 02:50:28,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8789 to 8780. [2022-07-23 02:50:28,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8780 states, 6124 states have (on average 1.2570215545395167) internal successors, (7698), 6244 states have internal predecessors, (7698), 2169 states have call successors, (2169), 487 states have call predecessors, (2169), 485 states have return successors, (2166), 2114 states have call predecessors, (2166), 2166 states have call successors, (2166) [2022-07-23 02:50:28,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8780 states to 8780 states and 12033 transitions. [2022-07-23 02:50:28,763 INFO L78 Accepts]: Start accepts. Automaton has 8780 states and 12033 transitions. Word has length 278 [2022-07-23 02:50:28,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:50:28,766 INFO L495 AbstractCegarLoop]: Abstraction has 8780 states and 12033 transitions. [2022-07-23 02:50:28,767 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-07-23 02:50:28,767 INFO L276 IsEmpty]: Start isEmpty. Operand 8780 states and 12033 transitions. [2022-07-23 02:50:28,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2022-07-23 02:50:28,776 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:50:28,776 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 21, 21, 21, 21, 21, 21, 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] [2022-07-23 02:50:28,859 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-23 02:50:28,992 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:50:28,993 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:50:28,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:50:28,997 INFO L85 PathProgramCache]: Analyzing trace with hash 288634924, now seen corresponding path program 1 times [2022-07-23 02:50:29,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:50:29,001 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1801709294] [2022-07-23 02:50:29,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:50:29,001 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:50:29,001 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:50:29,003 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) [2022-07-23 02:50:29,004 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-23 02:50:33,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:50:33,538 INFO L263 TraceCheckSpWp]: Trace formula consists of 4303 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 02:50:33,544 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:50:34,086 INFO L134 CoverageAnalysis]: Checked inductivity of 1957 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 1894 trivial. 0 not checked. [2022-07-23 02:50:34,087 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 02:50:34,087 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:50:34,087 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1801709294] [2022-07-23 02:50:34,087 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1801709294] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:50:34,087 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:50:34,087 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 02:50:34,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244901207] [2022-07-23 02:50:34,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:50:34,088 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 02:50:34,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:50:34,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 02:50:34,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:50:34,088 INFO L87 Difference]: Start difference. First operand 8780 states and 12033 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-07-23 02:50:35,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:50:35,303 INFO L93 Difference]: Finished difference Result 23345 states and 32003 transitions. [2022-07-23 02:50:35,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 02:50:35,303 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 292 [2022-07-23 02:50:35,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:50:35,406 INFO L225 Difference]: With dead ends: 23345 [2022-07-23 02:50:35,406 INFO L226 Difference]: Without dead ends: 14612 [2022-07-23 02:50:35,589 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 291 GetRequests, 290 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:50:35,592 INFO L413 NwaCegarLoop]: 5432 mSDtfsCounter, 4432 mSDsluCounter, 4582 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4432 SdHoareTripleChecker+Valid, 10014 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-23 02:50:35,593 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4432 Valid, 10014 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-23 02:50:35,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14612 states. [2022-07-23 02:50:36,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14612 to 14599. [2022-07-23 02:50:36,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14599 states, 10193 states have (on average 1.2561561856175807) internal successors, (12804), 10401 states have internal predecessors, (12804), 3598 states have call successors, (3598), 809 states have call predecessors, (3598), 806 states have return successors, (3595), 3499 states have call predecessors, (3595), 3595 states have call successors, (3595) [2022-07-23 02:50:36,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14599 states to 14599 states and 19997 transitions. [2022-07-23 02:50:36,189 INFO L78 Accepts]: Start accepts. Automaton has 14599 states and 19997 transitions. Word has length 292 [2022-07-23 02:50:36,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:50:36,190 INFO L495 AbstractCegarLoop]: Abstraction has 14599 states and 19997 transitions. [2022-07-23 02:50:36,191 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-07-23 02:50:36,191 INFO L276 IsEmpty]: Start isEmpty. Operand 14599 states and 19997 transitions. [2022-07-23 02:50:36,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2022-07-23 02:50:36,204 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:50:36,204 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 21, 21, 21, 21, 21, 21, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-23 02:50:36,298 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-23 02:50:36,431 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:50:36,431 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:50:36,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:50:36,432 INFO L85 PathProgramCache]: Analyzing trace with hash 121004858, now seen corresponding path program 1 times [2022-07-23 02:50:36,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:50:36,435 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [832694398] [2022-07-23 02:50:36,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:50:36,436 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:50:36,436 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:50:36,438 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) [2022-07-23 02:50:36,440 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-23 02:50:41,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:50:41,324 INFO L263 TraceCheckSpWp]: Trace formula consists of 4368 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 02:50:41,329 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:50:41,707 INFO L134 CoverageAnalysis]: Checked inductivity of 2196 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 2100 trivial. 0 not checked. [2022-07-23 02:50:41,707 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 02:50:41,707 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:50:41,707 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [832694398] [2022-07-23 02:50:41,708 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [832694398] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:50:41,708 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:50:41,708 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 02:50:41,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007935448] [2022-07-23 02:50:41,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:50:41,708 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 02:50:41,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:50:41,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 02:50:41,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:50:41,709 INFO L87 Difference]: Start difference. First operand 14599 states and 19997 transitions. Second operand has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2022-07-23 02:50:42,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:50:42,917 INFO L93 Difference]: Finished difference Result 38228 states and 52421 transitions. [2022-07-23 02:50:42,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 02:50:42,918 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 320 [2022-07-23 02:50:42,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:50:43,076 INFO L225 Difference]: With dead ends: 38228 [2022-07-23 02:50:43,076 INFO L226 Difference]: Without dead ends: 26273 [2022-07-23 02:50:43,117 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 319 GetRequests, 318 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:50:43,119 INFO L413 NwaCegarLoop]: 8533 mSDtfsCounter, 4447 mSDsluCounter, 4594 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4447 SdHoareTripleChecker+Valid, 13127 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-23 02:50:43,120 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4447 Valid, 13127 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-23 02:50:43,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26273 states. [2022-07-23 02:50:43,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26273 to 26271. [2022-07-23 02:50:43,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26271 states, 18361 states have (on average 1.2567942922498774) internal successors, (23076), 18723 states have internal predecessors, (23076), 6460 states have call successors, (6460), 1451 states have call predecessors, (6460), 1448 states have return successors, (6457), 6297 states have call predecessors, (6457), 6457 states have call successors, (6457) [2022-07-23 02:50:44,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26271 states to 26271 states and 35993 transitions. [2022-07-23 02:50:44,121 INFO L78 Accepts]: Start accepts. Automaton has 26271 states and 35993 transitions. Word has length 320 [2022-07-23 02:50:44,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:50:44,122 INFO L495 AbstractCegarLoop]: Abstraction has 26271 states and 35993 transitions. [2022-07-23 02:50:44,122 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (32), 3 states have call predecessors, (32), 3 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2022-07-23 02:50:44,122 INFO L276 IsEmpty]: Start isEmpty. Operand 26271 states and 35993 transitions. [2022-07-23 02:50:44,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2022-07-23 02:50:44,133 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:50:44,134 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 21, 21, 21, 21, 21, 21, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-23 02:50:44,213 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-23 02:50:44,359 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:50:44,359 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:50:44,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:50:44,360 INFO L85 PathProgramCache]: Analyzing trace with hash 183044472, now seen corresponding path program 1 times [2022-07-23 02:50:44,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:50:44,363 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1755731959] [2022-07-23 02:50:44,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:50:44,363 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:50:44,363 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:50:44,365 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) [2022-07-23 02:50:44,366 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-23 02:50:48,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:50:49,198 INFO L263 TraceCheckSpWp]: Trace formula consists of 4368 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-23 02:50:49,204 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:50:56,103 INFO L134 CoverageAnalysis]: Checked inductivity of 2196 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2196 trivial. 0 not checked. [2022-07-23 02:50:56,103 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 02:50:56,104 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:50:56,104 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1755731959] [2022-07-23 02:50:56,104 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1755731959] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:50:56,104 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:50:56,104 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-23 02:50:56,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446701596] [2022-07-23 02:50:56,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:50:56,105 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-23 02:50:56,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:50:56,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 02:50:56,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-23 02:50:56,105 INFO L87 Difference]: Start difference. First operand 26271 states and 35993 transitions. Second operand has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2022-07-23 02:50:57,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:50:57,123 INFO L93 Difference]: Finished difference Result 26271 states and 35993 transitions. [2022-07-23 02:50:57,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-23 02:50:57,124 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) Word has length 320 [2022-07-23 02:50:57,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:50:57,291 INFO L225 Difference]: With dead ends: 26271 [2022-07-23 02:50:57,292 INFO L226 Difference]: Without dead ends: 26216 [2022-07-23 02:50:57,315 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 320 GetRequests, 317 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-23 02:50:57,315 INFO L413 NwaCegarLoop]: 4623 mSDtfsCounter, 4497 mSDsluCounter, 4623 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4497 SdHoareTripleChecker+Valid, 9246 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-23 02:50:57,316 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4497 Valid, 9246 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-23 02:50:57,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26216 states. [2022-07-23 02:50:58,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26216 to 26216. [2022-07-23 02:50:58,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26216 states, 18336 states have (on average 1.256489965095986) internal successors, (23039), 18686 states have internal predecessors, (23039), 6433 states have call successors, (6433), 1446 states have call predecessors, (6433), 1446 states have return successors, (6433), 6284 states have call predecessors, (6433), 6433 states have call successors, (6433) [2022-07-23 02:50:58,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26216 states to 26216 states and 35905 transitions. [2022-07-23 02:50:58,221 INFO L78 Accepts]: Start accepts. Automaton has 26216 states and 35905 transitions. Word has length 320 [2022-07-23 02:50:58,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:50:58,222 INFO L495 AbstractCegarLoop]: Abstraction has 26216 states and 35905 transitions. [2022-07-23 02:50:58,222 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2022-07-23 02:50:58,222 INFO L276 IsEmpty]: Start isEmpty. Operand 26216 states and 35905 transitions. [2022-07-23 02:50:58,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-07-23 02:50:58,256 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:50:58,256 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 21, 21, 21, 21, 21, 21, 5, 5, 5, 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] [2022-07-23 02:50:58,355 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-23 02:50:58,471 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:50:58,472 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:50:58,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:50:58,473 INFO L85 PathProgramCache]: Analyzing trace with hash -143872535, now seen corresponding path program 1 times [2022-07-23 02:50:58,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:50:58,476 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [267965269] [2022-07-23 02:50:58,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:50:58,476 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:50:58,476 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:50:58,478 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) [2022-07-23 02:50:58,480 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-23 02:51:03,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:51:03,462 INFO L263 TraceCheckSpWp]: Trace formula consists of 4472 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 02:51:03,467 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:51:04,597 INFO L134 CoverageAnalysis]: Checked inductivity of 2203 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 2034 trivial. 0 not checked. [2022-07-23 02:51:04,597 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 02:51:04,597 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:51:04,597 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [267965269] [2022-07-23 02:51:04,597 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [267965269] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:51:04,597 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:51:04,598 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 02:51:04,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847547689] [2022-07-23 02:51:04,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:51:04,598 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 02:51:04,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:51:04,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 02:51:04,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:51:04,599 INFO L87 Difference]: Start difference. First operand 26216 states and 35905 transitions. Second operand has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 3 states have call successors, (34), 3 states have call predecessors, (34), 3 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-07-23 02:51:06,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:51:06,796 INFO L93 Difference]: Finished difference Result 60468 states and 82797 transitions. [2022-07-23 02:51:06,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 02:51:06,797 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 3 states have call successors, (34), 3 states have call predecessors, (34), 3 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 346 [2022-07-23 02:51:06,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:51:06,986 INFO L225 Difference]: With dead ends: 60468 [2022-07-23 02:51:06,986 INFO L226 Difference]: Without dead ends: 36896 [2022-07-23 02:51:07,174 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 345 GetRequests, 344 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:51:07,175 INFO L413 NwaCegarLoop]: 8179 mSDtfsCounter, 3686 mSDsluCounter, 4523 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3686 SdHoareTripleChecker+Valid, 12702 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-07-23 02:51:07,175 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3686 Valid, 12702 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-23 02:51:07,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36896 states. [2022-07-23 02:51:08,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36896 to 36892. [2022-07-23 02:51:08,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36892 states, 25788 states have (on average 1.254885993485342) internal successors, (32361), 26286 states have internal predecessors, (32361), 9033 states have call successors, (9033), 2070 states have call predecessors, (9033), 2070 states have return successors, (9033), 8820 states have call predecessors, (9033), 9033 states have call successors, (9033) [2022-07-23 02:51:08,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36892 states to 36892 states and 50427 transitions. [2022-07-23 02:51:08,533 INFO L78 Accepts]: Start accepts. Automaton has 36892 states and 50427 transitions. Word has length 346 [2022-07-23 02:51:08,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:51:08,535 INFO L495 AbstractCegarLoop]: Abstraction has 36892 states and 50427 transitions. [2022-07-23 02:51:08,535 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 3 states have call successors, (34), 3 states have call predecessors, (34), 3 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-07-23 02:51:08,536 INFO L276 IsEmpty]: Start isEmpty. Operand 36892 states and 50427 transitions. [2022-07-23 02:51:08,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 375 [2022-07-23 02:51:08,574 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:51:08,574 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 21, 21, 21, 21, 21, 21, 6, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 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] [2022-07-23 02:51:08,659 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-23 02:51:08,795 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:51:08,796 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:51:08,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:51:08,796 INFO L85 PathProgramCache]: Analyzing trace with hash 843119297, now seen corresponding path program 1 times [2022-07-23 02:51:08,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:51:08,799 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [468878138] [2022-07-23 02:51:08,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:51:08,800 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:51:08,800 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:51:08,801 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) [2022-07-23 02:51:08,803 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-23 02:51:13,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:51:13,339 INFO L263 TraceCheckSpWp]: Trace formula consists of 4461 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 02:51:13,345 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:51:13,719 INFO L134 CoverageAnalysis]: Checked inductivity of 2312 backedges. 200 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2022-07-23 02:51:13,719 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 02:51:13,719 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:51:13,719 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [468878138] [2022-07-23 02:51:13,719 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [468878138] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:51:13,719 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:51:13,719 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 02:51:13,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899259849] [2022-07-23 02:51:13,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:51:13,720 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 02:51:13,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:51:13,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 02:51:13,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:51:13,721 INFO L87 Difference]: Start difference. First operand 36892 states and 50427 transitions. Second operand has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 3 states have call successors, (38), 3 states have call predecessors, (38), 3 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-07-23 02:51:15,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:51:15,776 INFO L93 Difference]: Finished difference Result 88103 states and 120473 transitions. [2022-07-23 02:51:15,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 02:51:15,777 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 3 states have call successors, (38), 3 states have call predecessors, (38), 3 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 374 [2022-07-23 02:51:15,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:51:16,010 INFO L225 Difference]: With dead ends: 88103 [2022-07-23 02:51:16,011 INFO L226 Difference]: Without dead ends: 51202 [2022-07-23 02:51:16,112 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 373 GetRequests, 372 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:51:16,113 INFO L413 NwaCegarLoop]: 9046 mSDtfsCounter, 4443 mSDsluCounter, 4572 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4443 SdHoareTripleChecker+Valid, 13618 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-23 02:51:16,113 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4443 Valid, 13618 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-23 02:51:16,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51202 states. [2022-07-23 02:51:17,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51202 to 51200. [2022-07-23 02:51:17,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51200 states, 35783 states have (on average 1.2554285554592963) internal successors, (44923), 36471 states have internal predecessors, (44923), 12547 states have call successors, (12547), 2869 states have call predecessors, (12547), 2869 states have return successors, (12547), 12255 states have call predecessors, (12547), 12547 states have call successors, (12547) [2022-07-23 02:51:17,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51200 states to 51200 states and 70017 transitions. [2022-07-23 02:51:17,959 INFO L78 Accepts]: Start accepts. Automaton has 51200 states and 70017 transitions. Word has length 374 [2022-07-23 02:51:17,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:51:17,960 INFO L495 AbstractCegarLoop]: Abstraction has 51200 states and 70017 transitions. [2022-07-23 02:51:17,960 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 3 states have call successors, (38), 3 states have call predecessors, (38), 3 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) [2022-07-23 02:51:17,960 INFO L276 IsEmpty]: Start isEmpty. Operand 51200 states and 70017 transitions. [2022-07-23 02:51:18,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 401 [2022-07-23 02:51:18,009 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:51:18,010 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 21, 21, 21, 21, 21, 21, 7, 7, 7, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-07-23 02:51:18,121 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-23 02:51:18,227 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:51:18,228 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:51:18,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:51:18,228 INFO L85 PathProgramCache]: Analyzing trace with hash 1963138365, now seen corresponding path program 1 times [2022-07-23 02:51:18,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:51:18,231 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [561580844] [2022-07-23 02:51:18,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:51:18,232 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:51:18,232 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:51:18,233 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 02:51:18,247 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-23 02:51:22,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:51:22,893 INFO L263 TraceCheckSpWp]: Trace formula consists of 4499 conjuncts, 23 conjunts are in the unsatisfiable core [2022-07-23 02:51:22,899 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:51:26,849 INFO L134 CoverageAnalysis]: Checked inductivity of 2521 backedges. 465 proven. 3 refuted. 0 times theorem prover too weak. 2053 trivial. 0 not checked. [2022-07-23 02:51:26,849 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 02:51:30,673 INFO L134 CoverageAnalysis]: Checked inductivity of 2521 backedges. 48 proven. 24 refuted. 0 times theorem prover too weak. 2449 trivial. 0 not checked. [2022-07-23 02:51:30,673 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:51:30,673 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [561580844] [2022-07-23 02:51:30,673 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [561580844] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 02:51:30,673 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-23 02:51:30,674 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 23 [2022-07-23 02:51:30,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906834356] [2022-07-23 02:51:30,674 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-23 02:51:30,675 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-07-23 02:51:30,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:51:30,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-07-23 02:51:30,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=445, Unknown=0, NotChecked=0, Total=506 [2022-07-23 02:51:30,676 INFO L87 Difference]: Start difference. First operand 51200 states and 70017 transitions. Second operand has 23 states, 22 states have (on average 6.954545454545454) internal successors, (153), 21 states have internal predecessors, (153), 6 states have call successors, (52), 3 states have call predecessors, (52), 8 states have return successors, (52), 7 states have call predecessors, (52), 6 states have call successors, (52)