./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 eb692b52 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-?-eb692b5 [2022-07-20 02:32:43,995 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 02:32:43,998 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 02:32:44,037 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 02:32:44,038 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 02:32:44,039 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 02:32:44,041 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 02:32:44,046 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 02:32:44,048 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 02:32:44,054 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 02:32:44,055 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 02:32:44,056 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 02:32:44,056 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 02:32:44,058 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 02:32:44,060 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 02:32:44,061 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 02:32:44,065 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 02:32:44,065 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 02:32:44,067 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 02:32:44,069 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 02:32:44,072 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 02:32:44,073 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 02:32:44,074 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 02:32:44,075 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 02:32:44,076 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 02:32:44,083 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 02:32:44,083 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 02:32:44,084 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 02:32:44,085 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 02:32:44,085 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 02:32:44,086 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 02:32:44,086 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 02:32:44,088 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 02:32:44,088 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 02:32:44,089 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 02:32:44,090 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 02:32:44,090 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 02:32:44,090 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 02:32:44,091 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 02:32:44,091 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 02:32:44,092 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 02:32:44,093 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 02:32:44,094 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-20 02:32:44,129 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 02:32:44,129 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 02:32:44,130 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 02:32:44,130 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 02:32:44,131 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 02:32:44,131 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 02:32:44,131 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 02:32:44,132 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 02:32:44,132 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 02:32:44,133 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 02:32:44,133 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-20 02:32:44,133 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 02:32:44,133 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 02:32:44,134 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 02:32:44,134 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 02:32:44,134 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 02:32:44,134 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 02:32:44,134 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 02:32:44,135 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 02:32:44,135 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 02:32:44,135 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 02:32:44,135 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 02:32:44,135 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 02:32:44,136 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 02:32:44,136 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 02:32:44,136 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-20 02:32:44,136 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-20 02:32:44,136 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 02:32:44,137 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 02:32:44,137 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 02:32:44,137 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 32a406239684e899577576103e146c0b88a65f19a1f620e7a11415e96a39c63a [2022-07-20 02:32:44,370 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 02:32:44,391 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 02:32:44,394 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 02:32:44,395 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 02:32:44,396 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 02:32:44,397 INFO L432 ainManager$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 [2022-07-20 02:32:44,456 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee524111e/34bdab7ffbd44422ae4b9b15a4aba568/FLAG0df6dcebb [2022-07-20 02:32:45,352 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 02:32:45,353 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 [2022-07-20 02:32:45,422 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee524111e/34bdab7ffbd44422ae4b9b15a4aba568/FLAG0df6dcebb [2022-07-20 02:32:45,447 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee524111e/34bdab7ffbd44422ae4b9b15a4aba568 [2022-07-20 02:32:45,450 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 02:32:45,451 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 02:32:45,452 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 02:32:45,452 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 02:32:45,455 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 02:32:45,456 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 02:32:45" (1/1) ... [2022-07-20 02:32:45,458 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b4561e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:32:45, skipping insertion in model container [2022-07-20 02:32:45,458 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 02:32:45" (1/1) ... [2022-07-20 02:32:45,465 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 02:32:45,645 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 02:32:50,938 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] [2022-07-20 02:32:50,941 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] [2022-07-20 02:32:50,943 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] [2022-07-20 02:32:50,944 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] [2022-07-20 02:32:50,982 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 02:32:51,051 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 02:32:51,180 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) [2022-07-20 02:32:51,192 INFO L158 Benchmark]: Toolchain (without parser) took 5738.86ms. Allocated memory was 100.7MB in the beginning and 190.8MB in the end (delta: 90.2MB). Free memory was 67.4MB in the beginning and 119.0MB in the end (delta: -51.5MB). Peak memory consumption was 105.4MB. Max. memory is 16.1GB. [2022-07-20 02:32:51,193 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 100.7MB. Free memory is still 55.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-20 02:32:51,194 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5736.60ms. Allocated memory was 100.7MB in the beginning and 190.8MB in the end (delta: 90.2MB). Free memory was 67.4MB in the beginning and 119.0MB in the end (delta: -51.5MB). Peak memory consumption was 105.4MB. Max. memory is 16.1GB. [2022-07-20 02:32:51,196 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 100.7MB. Free memory is still 55.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 5736.60ms. Allocated memory was 100.7MB in the beginning and 190.8MB in the end (delta: 90.2MB). Free memory was 67.4MB in the beginning and 119.0MB in the end (delta: -51.5MB). Peak memory consumption was 105.4MB. 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-?-eb692b5 [2022-07-20 02:32:53,041 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 02:32:53,044 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 02:32:53,087 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 02:32:53,087 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 02:32:53,089 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 02:32:53,097 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 02:32:53,100 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 02:32:53,108 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 02:32:53,112 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 02:32:53,114 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 02:32:53,118 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 02:32:53,119 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 02:32:53,121 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 02:32:53,122 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 02:32:53,125 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 02:32:53,126 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 02:32:53,128 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 02:32:53,129 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 02:32:53,136 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 02:32:53,138 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 02:32:53,139 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 02:32:53,141 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 02:32:53,142 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 02:32:53,143 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 02:32:53,150 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 02:32:53,151 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 02:32:53,151 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 02:32:53,152 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 02:32:53,152 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 02:32:53,153 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 02:32:53,153 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 02:32:53,155 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 02:32:53,156 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 02:32:53,157 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 02:32:53,158 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 02:32:53,158 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 02:32:53,159 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 02:32:53,159 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 02:32:53,159 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 02:32:53,160 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 02:32:53,161 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 02:32:53,167 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-20 02:32:53,197 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 02:32:53,198 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 02:32:53,198 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 02:32:53,198 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 02:32:53,199 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 02:32:53,199 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 02:32:53,200 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 02:32:53,200 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 02:32:53,201 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 02:32:53,201 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 02:32:53,202 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 02:32:53,202 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 02:32:53,202 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 02:32:53,202 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 02:32:53,202 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-20 02:32:53,203 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-20 02:32:53,203 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-20 02:32:53,203 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 02:32:53,203 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 02:32:53,203 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 02:32:53,204 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 02:32:53,204 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 02:32:53,204 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 02:32:53,204 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 02:32:53,204 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 02:32:53,205 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 02:32:53,205 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 02:32:53,205 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-20 02:32:53,205 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-20 02:32:53,205 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 02:32:53,206 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 02:32:53,206 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 02:32:53,206 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-20 02:32:53,206 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 32a406239684e899577576103e146c0b88a65f19a1f620e7a11415e96a39c63a [2022-07-20 02:32:53,541 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 02:32:53,569 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 02:32:53,572 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 02:32:53,573 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 02:32:53,574 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 02:32:53,576 INFO L432 ainManager$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 [2022-07-20 02:32:53,643 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7dce5fe0a/edd44eb1c4e6427896e518b85e8dc3c3/FLAG3c0a6da30 [2022-07-20 02:32:54,693 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 02:32:54,693 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 [2022-07-20 02:32:54,770 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7dce5fe0a/edd44eb1c4e6427896e518b85e8dc3c3/FLAG3c0a6da30 [2022-07-20 02:32:55,025 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7dce5fe0a/edd44eb1c4e6427896e518b85e8dc3c3 [2022-07-20 02:32:55,028 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 02:32:55,029 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 02:32:55,032 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 02:32:55,032 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 02:32:55,035 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 02:32:55,036 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 02:32:55" (1/1) ... [2022-07-20 02:32:55,038 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b84bfc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:32:55, skipping insertion in model container [2022-07-20 02:32:55,038 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 02:32:55" (1/1) ... [2022-07-20 02:32:55,045 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 02:32:55,244 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 02:33:00,793 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] [2022-07-20 02:33:00,796 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] [2022-07-20 02:33:00,797 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] [2022-07-20 02:33:00,797 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] [2022-07-20 02:33:00,849 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 02:33:00,970 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-20 02:33:01,111 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 02:33:01,599 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] [2022-07-20 02:33:01,600 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] [2022-07-20 02:33:01,601 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] [2022-07-20 02:33:01,601 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] [2022-07-20 02:33:01,610 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 02:33:01,636 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 02:33:02,061 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] [2022-07-20 02:33:02,062 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] [2022-07-20 02:33:02,062 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] [2022-07-20 02:33:02,062 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] [2022-07-20 02:33:02,076 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 02:33:02,419 INFO L208 MainTranslator]: Completed translation [2022-07-20 02:33:02,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:33:02 WrapperNode [2022-07-20 02:33:02,420 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-20 02:33:02,421 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-20 02:33:02,422 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-20 02:33:02,422 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-20 02:33:02,428 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:33:02" (1/1) ... [2022-07-20 02:33:02,602 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:33:02" (1/1) ... [2022-07-20 02:33:02,880 INFO L137 Inliner]: procedures = 593, calls = 5653, calls flagged for inlining = 344, calls inlined = 320, statements flattened = 10381 [2022-07-20 02:33:02,882 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-20 02:33:02,883 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-20 02:33:02,883 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-20 02:33:02,883 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-20 02:33:02,894 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:33:02" (1/1) ... [2022-07-20 02:33:02,895 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:33:02" (1/1) ... [2022-07-20 02:33:02,956 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:33:02" (1/1) ... [2022-07-20 02:33:02,957 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:33:02" (1/1) ... [2022-07-20 02:33:03,234 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:33:02" (1/1) ... [2022-07-20 02:33:03,271 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:33:02" (1/1) ... [2022-07-20 02:33:03,320 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:33:02" (1/1) ... [2022-07-20 02:33:03,377 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-20 02:33:03,379 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-20 02:33:03,379 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-20 02:33:03,379 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-20 02:33:03,380 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:33:02" (1/1) ... [2022-07-20 02:33:03,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 02:33:03,396 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 02:33:03,412 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) [2022-07-20 02:33:03,435 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 [2022-07-20 02:33:03,448 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-07-20 02:33:03,449 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-07-20 02:33:03,449 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_irq_disable [2022-07-20 02:33:03,449 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_irq_disable [2022-07-20 02:33:03,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-20 02:33:03,449 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-20 02:33:03,449 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-07-20 02:33:03,450 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-07-20 02:33:03,450 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_intr [2022-07-20 02:33:03,450 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_intr [2022-07-20 02:33:03,450 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-20 02:33:03,450 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-20 02:33:03,450 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-20 02:33:03,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-20 02:33:03,451 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_minnow_platform_init [2022-07-20 02:33:03,451 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_minnow_platform_init [2022-07-20 02:33:03,451 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_open [2022-07-20 02:33:03,451 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_open [2022-07-20 02:33:03,451 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2022-07-20 02:33:03,451 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2022-07-20 02:33:03,451 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2022-07-20 02:33:03,452 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2022-07-20 02:33:03,452 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_reinit_locked [2022-07-20 02:33:03,452 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_reinit_locked [2022-07-20 02:33:03,452 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_hal_power_up_phy [2022-07-20 02:33:03,452 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_hal_power_up_phy [2022-07-20 02:33:03,452 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_setup_tx_resources [2022-07-20 02:33:03,452 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_setup_tx_resources [2022-07-20 02:33:03,453 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-07-20 02:33:03,453 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-07-20 02:33:03,453 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-20 02:33:03,453 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-20 02:33:03,453 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-20 02:33:03,453 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-20 02:33:03,453 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_netpoll [2022-07-20 02:33:03,454 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_netpoll [2022-07-20 02:33:03,454 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_plat_init_hw [2022-07-20 02:33:03,454 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_plat_init_hw [2022-07-20 02:33:03,454 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_free_rx_resources [2022-07-20 02:33:03,454 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_free_rx_resources [2022-07-20 02:33:03,454 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_free_tx_resources [2022-07-20 02:33:03,454 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_free_tx_resources [2022-07-20 02:33:03,455 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-07-20 02:33:03,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-07-20 02:33:03,455 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_pch_gbe_exit_module_17_2 [2022-07-20 02:33:03,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_pch_gbe_exit_module_17_2 [2022-07-20 02:33:03,455 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-07-20 02:33:03,455 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-07-20 02:33:03,455 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-20 02:33:03,456 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-20 02:33:03,456 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-07-20 02:33:03,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-07-20 02:33:03,456 INFO L130 BoogieDeclarations]: Found specification of procedure dma_zalloc_coherent [2022-07-20 02:33:03,456 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_zalloc_coherent [2022-07-20 02:33:03,456 INFO L130 BoogieDeclarations]: Found specification of procedure pch_set_station_address [2022-07-20 02:33:03,456 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_set_station_address [2022-07-20 02:33:03,457 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_26 [2022-07-20 02:33:03,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_26 [2022-07-20 02:33:03,457 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-20 02:33:03,457 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-20 02:33:03,457 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-20 02:33:03,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-20 02:33:03,457 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mdio_write [2022-07-20 02:33:03,458 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mdio_write [2022-07-20 02:33:03,458 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-20 02:33:03,458 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-20 02:33:03,458 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-07-20 02:33:03,458 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-07-20 02:33:03,458 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-20 02:33:03,458 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-20 02:33:03,459 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-20 02:33:03,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-20 02:33:03,459 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2022-07-20 02:33:03,459 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2022-07-20 02:33:03,459 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-20 02:33:03,459 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-20 02:33:03,459 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-07-20 02:33:03,460 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-07-20 02:33:03,460 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-20 02:33:03,460 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_power_up [2022-07-20 02:33:03,460 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_power_up [2022-07-20 02:33:03,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-20 02:33:03,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-20 02:33:03,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-20 02:33:03,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-20 02:33:03,461 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-07-20 02:33:03,461 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-07-20 02:33:03,461 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_resume [2022-07-20 02:33:03,461 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_resume [2022-07-20 02:33:03,461 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-20 02:33:03,461 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-20 02:33:03,461 INFO L130 BoogieDeclarations]: Found specification of procedure pch_ch_event_write [2022-07-20 02:33:03,462 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_ch_event_write [2022-07-20 02:33:03,462 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2022-07-20 02:33:03,462 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2022-07-20 02:33:03,462 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-07-20 02:33:03,462 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-07-20 02:33:03,462 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-20 02:33:03,462 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-20 02:33:03,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-07-20 02:33:03,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-07-20 02:33:03,463 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-20 02:33:03,463 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-20 02:33:03,463 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_enable_dma_rx [2022-07-20 02:33:03,463 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_enable_dma_rx [2022-07-20 02:33:03,463 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_configure_rx [2022-07-20 02:33:03,464 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_configure_rx [2022-07-20 02:33:03,464 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_wait_clr_bit [2022-07-20 02:33:03,464 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_wait_clr_bit [2022-07-20 02:33:03,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-20 02:33:03,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-20 02:33:03,464 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-20 02:33:03,464 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-20 02:33:03,465 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2022-07-20 02:33:03,465 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2022-07-20 02:33:03,465 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-20 02:33:03,465 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-20 02:33:03,465 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_remove [2022-07-20 02:33:03,465 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_remove [2022-07-20 02:33:03,465 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-20 02:33:03,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-20 02:33:03,466 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-07-20 02:33:03,466 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-07-20 02:33:03,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-20 02:33:03,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-20 02:33:03,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-20 02:33:03,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-20 02:33:03,467 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-07-20 02:33:03,467 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-07-20 02:33:03,467 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_force_mac_fc [2022-07-20 02:33:03,467 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_force_mac_fc [2022-07-20 02:33:03,467 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_suspend [2022-07-20 02:33:03,467 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_suspend [2022-07-20 02:33:03,467 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-07-20 02:33:03,467 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-07-20 02:33:03,468 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-20 02:33:03,468 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-20 02:33:03,468 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-20 02:33:03,468 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-20 02:33:03,468 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_set_value [2022-07-20 02:33:03,468 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_set_value [2022-07-20 02:33:03,468 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-20 02:33:03,468 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-20 02:33:03,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-20 02:33:03,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-20 02:33:03,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-20 02:33:03,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-07-20 02:33:03,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-07-20 02:33:03,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_5 [2022-07-20 02:33:03,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_5 [2022-07-20 02:33:03,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2022-07-20 02:33:03,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2022-07-20 02:33:03,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-07-20 02:33:03,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-07-20 02:33:03,470 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-07-20 02:33:03,470 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-07-20 02:33:03,470 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-20 02:33:03,470 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-07-20 02:33:03,471 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-07-20 02:33:03,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-20 02:33:03,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-20 02:33:03,471 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-20 02:33:03,471 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-20 02:33:03,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-20 02:33:03,471 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-20 02:33:03,471 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-20 02:33:03,472 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-20 02:33:03,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-20 02:33:03,472 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-20 02:33:03,472 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-07-20 02:33:03,472 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-07-20 02:33:03,472 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-07-20 02:33:03,472 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-07-20 02:33:03,473 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2022-07-20 02:33:03,473 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2022-07-20 02:33:03,473 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_set_wol_event [2022-07-20 02:33:03,473 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_set_wol_event [2022-07-20 02:33:03,473 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-20 02:33:03,473 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-20 02:33:03,473 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_ctrl_miim [2022-07-20 02:33:03,473 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_ctrl_miim [2022-07-20 02:33:03,474 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-20 02:33:03,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-20 02:33:03,474 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_get_regs_len [2022-07-20 02:33:03,474 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_get_regs_len [2022-07-20 02:33:03,474 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-20 02:33:03,474 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-20 02:33:03,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-20 02:33:03,475 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2022-07-20 02:33:03,475 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2022-07-20 02:33:03,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-20 02:33:03,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-20 02:33:03,475 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_alloc_rx_buffers [2022-07-20 02:33:03,475 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_alloc_rx_buffers [2022-07-20 02:33:03,475 INFO L130 BoogieDeclarations]: Found specification of procedure __pch_gbe_suspend [2022-07-20 02:33:03,475 INFO L138 BoogieDeclarations]: Found implementation of procedure __pch_gbe_suspend [2022-07-20 02:33:03,476 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-07-20 02:33:03,476 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-07-20 02:33:03,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-20 02:33:03,476 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_plat_get_bus_info [2022-07-20 02:33:03,476 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_plat_get_bus_info [2022-07-20 02:33:03,476 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-07-20 02:33:03,476 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-07-20 02:33:03,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-20 02:33:03,477 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_power_down [2022-07-20 02:33:03,477 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_power_down [2022-07-20 02:33:03,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-20 02:33:03,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-20 02:33:03,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-20 02:33:03,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-20 02:33:03,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-20 02:33:03,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-20 02:33:03,478 INFO L130 BoogieDeclarations]: Found specification of procedure csum_tcpudp_magic [2022-07-20 02:33:03,478 INFO L138 BoogieDeclarations]: Found implementation of procedure csum_tcpudp_magic [2022-07-20 02:33:03,478 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_update_stats [2022-07-20 02:33:03,478 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_update_stats [2022-07-20 02:33:03,478 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-20 02:33:03,478 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-20 02:33:03,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-20 02:33:03,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-20 02:33:03,479 INFO L130 BoogieDeclarations]: Found specification of procedure skb_checksum [2022-07-20 02:33:03,479 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_checksum [2022-07-20 02:33:03,479 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mdio_read [2022-07-20 02:33:03,479 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mdio_read [2022-07-20 02:33:03,479 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_clean_rx_ring [2022-07-20 02:33:03,479 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_clean_rx_ring [2022-07-20 02:33:03,480 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-07-20 02:33:03,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-07-20 02:33:03,480 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_up [2022-07-20 02:33:03,480 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_up [2022-07-20 02:33:03,480 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-20 02:33:03,480 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-20 02:33:03,480 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-20 02:33:03,481 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-20 02:33:03,481 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-07-20 02:33:03,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-07-20 02:33:03,481 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_gset [2022-07-20 02:33:03,481 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_gset [2022-07-20 02:33:03,481 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_clean_tx_ring [2022-07-20 02:33:03,481 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_clean_tx_ring [2022-07-20 02:33:03,481 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_reset [2022-07-20 02:33:03,482 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_reset [2022-07-20 02:33:03,482 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-07-20 02:33:03,482 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-07-20 02:33:03,482 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies [2022-07-20 02:33:03,482 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies [2022-07-20 02:33:03,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_stop_14_2 [2022-07-20 02:33:03,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_stop_14_2 [2022-07-20 02:33:03,483 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_stop [2022-07-20 02:33:03,483 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_stop [2022-07-20 02:33:03,483 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-20 02:33:03,483 INFO L130 BoogieDeclarations]: Found specification of procedure ns_to_ktime [2022-07-20 02:33:03,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_to_ktime [2022-07-20 02:33:03,483 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2022-07-20 02:33:03,483 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2022-07-20 02:33:03,483 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-07-20 02:33:03,484 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-07-20 02:33:03,484 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-20 02:33:03,484 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-20 02:33:03,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value_probe [2022-07-20 02:33:03,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value_probe [2022-07-20 02:33:03,484 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-20 02:33:03,484 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_io_resume [2022-07-20 02:33:03,485 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_io_resume [2022-07-20 02:33:03,485 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~s32~0 [2022-07-20 02:33:03,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~s32~0 [2022-07-20 02:33:03,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-20 02:33:03,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-20 02:33:03,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-20 02:33:03,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-20 02:33:03,485 INFO L130 BoogieDeclarations]: Found specification of procedure pch_ch_event_read [2022-07-20 02:33:03,486 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_ch_event_read [2022-07-20 02:33:03,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-20 02:33:03,486 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-07-20 02:33:03,486 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-07-20 02:33:03,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-07-20 02:33:03,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-07-20 02:33:03,486 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_nway_reset [2022-07-20 02:33:03,486 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_nway_reset [2022-07-20 02:33:03,487 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-20 02:33:03,487 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-20 02:33:03,487 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-07-20 02:33:03,487 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-07-20 02:33:03,487 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_irq_enable [2022-07-20 02:33:03,487 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_irq_enable [2022-07-20 02:33:03,487 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-07-20 02:33:03,488 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-07-20 02:33:03,488 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-20 02:33:03,488 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-20 02:33:03,488 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_hw_reset [2022-07-20 02:33:03,488 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_hw_reset [2022-07-20 02:33:03,488 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_tx_timeout [2022-07-20 02:33:03,488 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_tx_timeout [2022-07-20 02:33:03,488 INFO L130 BoogieDeclarations]: Found specification of procedure mii_link_ok [2022-07-20 02:33:03,489 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_link_ok [2022-07-20 02:33:03,489 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-20 02:33:03,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-20 02:33:03,489 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-20 02:33:03,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-20 02:33:03,489 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_sset [2022-07-20 02:33:03,489 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_sset [2022-07-20 02:33:03,490 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_hal_power_down_phy [2022-07-20 02:33:03,490 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_hal_power_down_phy [2022-07-20 02:33:03,490 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-07-20 02:33:03,490 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-07-20 02:33:03,490 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_set_mode [2022-07-20 02:33:03,490 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_set_mode [2022-07-20 02:33:03,490 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-20 02:33:03,490 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-20 02:33:03,491 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-20 02:33:03,491 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-20 02:33:03,491 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_setup_rx_resources [2022-07-20 02:33:03,491 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_setup_rx_resources [2022-07-20 02:33:03,491 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-20 02:33:03,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-20 02:33:03,491 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-20 02:33:03,491 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-20 02:33:03,492 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-20 02:33:03,492 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-20 02:33:03,492 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_validate_option [2022-07-20 02:33:03,492 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_validate_option [2022-07-20 02:33:03,492 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_reset_hw [2022-07-20 02:33:03,492 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_reset_hw [2022-07-20 02:33:03,493 INFO L130 BoogieDeclarations]: Found specification of procedure udp_hdr [2022-07-20 02:33:03,493 INFO L138 BoogieDeclarations]: Found implementation of procedure udp_hdr [2022-07-20 02:33:03,493 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_setup_rctl [2022-07-20 02:33:03,493 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_setup_rctl [2022-07-20 02:33:03,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-20 02:33:03,493 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_sw_reset [2022-07-20 02:33:03,494 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_sw_reset [2022-07-20 02:33:03,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-20 02:33:03,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-20 02:33:03,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-20 02:33:03,494 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-20 02:33:03,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-20 02:33:03,494 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_hal_phy_hw_reset [2022-07-20 02:33:03,494 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_hal_phy_hw_reset [2022-07-20 02:33:03,495 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_write_reg_miic [2022-07-20 02:33:03,495 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_write_reg_miic [2022-07-20 02:33:03,495 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-20 02:33:03,495 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-20 02:33:03,495 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-07-20 02:33:03,495 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-07-20 02:33:03,495 INFO L130 BoogieDeclarations]: Found specification of procedure pch_ch_control_write [2022-07-20 02:33:03,496 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_ch_control_write [2022-07-20 02:33:03,496 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_set_multi [2022-07-20 02:33:03,496 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_set_multi [2022-07-20 02:33:03,496 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_shutdown [2022-07-20 02:33:03,496 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_shutdown [2022-07-20 02:33:03,496 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-20 02:33:03,496 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-20 02:33:03,496 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-07-20 02:33:03,497 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-07-20 02:33:03,497 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_read_reg_miic [2022-07-20 02:33:03,497 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_read_reg_miic [2022-07-20 02:33:03,497 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-20 02:33:03,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-20 02:33:03,497 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_read_mac_addr [2022-07-20 02:33:03,497 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_read_mac_addr [2022-07-20 02:33:03,498 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_set_rgmii_ctrl [2022-07-20 02:33:03,498 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_set_rgmii_ctrl [2022-07-20 02:33:03,498 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed [2022-07-20 02:33:03,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed [2022-07-20 02:33:03,498 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_down [2022-07-20 02:33:03,498 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_down [2022-07-20 02:33:03,498 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_free_irq [2022-07-20 02:33:03,498 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_free_irq [2022-07-20 02:33:03,499 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_mar_set [2022-07-20 02:33:03,499 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_mar_set [2022-07-20 02:33:03,499 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-20 02:33:03,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-20 02:33:04,666 INFO L234 CfgBuilder]: Building ICFG [2022-07-20 02:33:04,669 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-20 02:33:05,171 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-20 02:35:38,484 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-20 02:35:42,480 INFO L275 CfgBuilder]: Performing block encoding [2022-07-20 02:35:42,502 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-20 02:35:42,502 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-20 02:35:42,509 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 02:35:42 BoogieIcfgContainer [2022-07-20 02:35:42,510 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-20 02:35:42,511 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-20 02:35:42,512 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-20 02:35:42,514 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-20 02:35:42,514 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 02:32:55" (1/3) ... [2022-07-20 02:35:42,515 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@725ffbba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 02:35:42, skipping insertion in model container [2022-07-20 02:35:42,515 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:33:02" (2/3) ... [2022-07-20 02:35:42,515 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@725ffbba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 02:35:42, skipping insertion in model container [2022-07-20 02:35:42,516 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 02:35:42" (3/3) ... [2022-07-20 02:35:42,517 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i [2022-07-20 02:35:42,529 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-20 02:35:42,529 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-07-20 02:35:42,623 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-20 02:35:42,627 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@131a247e, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@591470d4 [2022-07-20 02:35:42,628 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-07-20 02:35:42,642 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) [2022-07-20 02:35:42,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2022-07-20 02:35:42,667 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:35:42,668 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] [2022-07-20 02:35:42,668 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] === [2022-07-20 02:35:42,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:35:42,672 INFO L85 PathProgramCache]: Analyzing trace with hash 1155651606, now seen corresponding path program 1 times [2022-07-20 02:35:42,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 02:35:42,695 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2028477689] [2022-07-20 02:35:42,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:35:42,696 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 02:35:42,696 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 02:35:42,699 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) [2022-07-20 02:35:42,701 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-20 02:35:46,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:47,136 INFO L263 TraceCheckSpWp]: Trace formula consists of 4240 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 02:35:47,151 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 02:35:47,601 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 1890 trivial. 0 not checked. [2022-07-20 02:35:47,601 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 02:35:47,602 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 02:35:47,602 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2028477689] [2022-07-20 02:35:47,603 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2028477689] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:35:47,603 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:35:47,603 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 02:35:47,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642347685] [2022-07-20 02:35:47,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:35:47,609 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 02:35:47,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 02:35:47,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 02:35:47,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 02:35:47,642 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) [2022-07-20 02:35:48,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:35:48,845 INFO L93 Difference]: Finished difference Result 9918 states and 13998 transitions. [2022-07-20 02:35:48,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 02:35:48,848 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 [2022-07-20 02:35:48,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:35:48,921 INFO L225 Difference]: With dead ends: 9918 [2022-07-20 02:35:48,922 INFO L226 Difference]: Without dead ends: 6572 [2022-07-20 02:35:48,952 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 [2022-07-20 02:35:48,957 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 [2022-07-20 02:35:48,959 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] [2022-07-20 02:35:48,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6572 states. [2022-07-20 02:35:49,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6572 to 6570. [2022-07-20 02:35:49,303 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) [2022-07-20 02:35:49,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6570 states to 6570 states and 9083 transitions. [2022-07-20 02:35:49,353 INFO L78 Accepts]: Start accepts. Automaton has 6570 states and 9083 transitions. Word has length 260 [2022-07-20 02:35:49,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:35:49,355 INFO L495 AbstractCegarLoop]: Abstraction has 6570 states and 9083 transitions. [2022-07-20 02:35:49,355 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) [2022-07-20 02:35:49,355 INFO L276 IsEmpty]: Start isEmpty. Operand 6570 states and 9083 transitions. [2022-07-20 02:35:49,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2022-07-20 02:35:49,366 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:35:49,366 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] [2022-07-20 02:35:49,492 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-20 02:35:49,587 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 02:35:49,588 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] === [2022-07-20 02:35:49,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:35:49,588 INFO L85 PathProgramCache]: Analyzing trace with hash -1349063657, now seen corresponding path program 1 times [2022-07-20 02:35:49,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 02:35:49,594 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1372627462] [2022-07-20 02:35:49,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:35:49,594 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 02:35:49,594 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 02:35:49,596 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) [2022-07-20 02:35:49,598 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-20 02:35:54,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:35:54,377 INFO L263 TraceCheckSpWp]: Trace formula consists of 4327 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 02:35:54,385 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 02:35:54,981 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 1890 trivial. 0 not checked. [2022-07-20 02:35:54,981 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 02:35:54,981 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 02:35:54,981 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1372627462] [2022-07-20 02:35:54,981 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1372627462] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:35:54,981 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:35:54,981 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 02:35:54,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747147156] [2022-07-20 02:35:54,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:35:54,983 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 02:35:54,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 02:35:54,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 02:35:54,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 02:35:54,983 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) [2022-07-20 02:35:56,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:35:56,567 INFO L93 Difference]: Finished difference Result 15312 states and 21087 transitions. [2022-07-20 02:35:56,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 02:35:56,568 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 [2022-07-20 02:35:56,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:35:56,646 INFO L225 Difference]: With dead ends: 15312 [2022-07-20 02:35:56,647 INFO L226 Difference]: Without dead ends: 8789 [2022-07-20 02:35:56,688 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 [2022-07-20 02:35:56,690 INFO L413 NwaCegarLoop]: 5364 mSDtfsCounter, 3733 mSDsluCounter, 4553 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s 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, 1.3s IncrementalHoareTripleChecker+Time [2022-07-20 02:35:56,691 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3733 Valid, 9917 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-20 02:35:56,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8789 states. [2022-07-20 02:35:57,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8789 to 8780. [2022-07-20 02:35:57,036 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) [2022-07-20 02:35:57,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8780 states to 8780 states and 12033 transitions. [2022-07-20 02:35:57,100 INFO L78 Accepts]: Start accepts. Automaton has 8780 states and 12033 transitions. Word has length 278 [2022-07-20 02:35:57,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:35:57,102 INFO L495 AbstractCegarLoop]: Abstraction has 8780 states and 12033 transitions. [2022-07-20 02:35:57,103 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) [2022-07-20 02:35:57,103 INFO L276 IsEmpty]: Start isEmpty. Operand 8780 states and 12033 transitions. [2022-07-20 02:35:57,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2022-07-20 02:35:57,114 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:35:57,115 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] [2022-07-20 02:35:57,240 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-20 02:35:57,331 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 02:35:57,331 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] === [2022-07-20 02:35:57,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:35:57,332 INFO L85 PathProgramCache]: Analyzing trace with hash 288634924, now seen corresponding path program 1 times [2022-07-20 02:35:57,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 02:35:57,337 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [556035421] [2022-07-20 02:35:57,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:35:57,337 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 02:35:57,337 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 02:35:57,341 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) [2022-07-20 02:35:57,343 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-20 02:36:01,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:36:01,952 INFO L263 TraceCheckSpWp]: Trace formula consists of 4303 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 02:36:01,959 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 02:36:02,538 INFO L134 CoverageAnalysis]: Checked inductivity of 1957 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 1894 trivial. 0 not checked. [2022-07-20 02:36:02,538 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 02:36:02,539 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 02:36:02,539 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [556035421] [2022-07-20 02:36:02,539 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [556035421] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:36:02,539 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:36:02,539 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 02:36:02,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103020306] [2022-07-20 02:36:02,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:36:02,541 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 02:36:02,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 02:36:02,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 02:36:02,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 02:36:02,542 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) [2022-07-20 02:36:04,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:36:04,036 INFO L93 Difference]: Finished difference Result 23345 states and 32003 transitions. [2022-07-20 02:36:04,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 02:36:04,037 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 [2022-07-20 02:36:04,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:36:04,167 INFO L225 Difference]: With dead ends: 23345 [2022-07-20 02:36:04,167 INFO L226 Difference]: Without dead ends: 14612 [2022-07-20 02:36:04,226 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 291 GetRequests, 290 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 02:36:04,229 INFO L413 NwaCegarLoop]: 5432 mSDtfsCounter, 4432 mSDsluCounter, 4582 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s 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, 1.1s IncrementalHoareTripleChecker+Time [2022-07-20 02:36:04,230 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4432 Valid, 10014 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-20 02:36:04,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14612 states. [2022-07-20 02:36:04,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14612 to 14599. [2022-07-20 02:36:04,805 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) [2022-07-20 02:36:04,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14599 states to 14599 states and 19997 transitions. [2022-07-20 02:36:04,888 INFO L78 Accepts]: Start accepts. Automaton has 14599 states and 19997 transitions. Word has length 292 [2022-07-20 02:36:04,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:36:04,889 INFO L495 AbstractCegarLoop]: Abstraction has 14599 states and 19997 transitions. [2022-07-20 02:36:04,890 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) [2022-07-20 02:36:04,890 INFO L276 IsEmpty]: Start isEmpty. Operand 14599 states and 19997 transitions. [2022-07-20 02:36:04,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2022-07-20 02:36:04,904 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:36:04,905 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] [2022-07-20 02:36:05,027 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-20 02:36:05,119 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 02:36:05,120 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] === [2022-07-20 02:36:05,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:36:05,120 INFO L85 PathProgramCache]: Analyzing trace with hash 121004858, now seen corresponding path program 1 times [2022-07-20 02:36:05,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 02:36:05,124 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1234692298] [2022-07-20 02:36:05,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:36:05,125 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 02:36:05,125 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 02:36:05,130 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) [2022-07-20 02:36:05,132 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-20 02:36:09,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:36:09,681 INFO L263 TraceCheckSpWp]: Trace formula consists of 4368 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 02:36:09,688 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 02:36:10,107 INFO L134 CoverageAnalysis]: Checked inductivity of 2196 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 2100 trivial. 0 not checked. [2022-07-20 02:36:10,108 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 02:36:10,108 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 02:36:10,108 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1234692298] [2022-07-20 02:36:10,108 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1234692298] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:36:10,108 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:36:10,108 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 02:36:10,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973507806] [2022-07-20 02:36:10,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:36:10,109 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 02:36:10,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 02:36:10,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 02:36:10,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 02:36:10,110 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) [2022-07-20 02:36:11,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:36:11,597 INFO L93 Difference]: Finished difference Result 38228 states and 52421 transitions. [2022-07-20 02:36:11,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 02:36:11,598 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 [2022-07-20 02:36:11,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:36:11,791 INFO L225 Difference]: With dead ends: 38228 [2022-07-20 02:36:11,792 INFO L226 Difference]: Without dead ends: 26273 [2022-07-20 02:36:11,870 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 319 GetRequests, 318 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 02:36:11,872 INFO L413 NwaCegarLoop]: 8533 mSDtfsCounter, 4447 mSDsluCounter, 4594 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s 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, 0.8s IncrementalHoareTripleChecker+Time [2022-07-20 02:36:11,873 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4447 Valid, 13127 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-20 02:36:11,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26273 states. [2022-07-20 02:36:12,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26273 to 26271. [2022-07-20 02:36:12,963 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) [2022-07-20 02:36:13,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26271 states to 26271 states and 35993 transitions. [2022-07-20 02:36:13,115 INFO L78 Accepts]: Start accepts. Automaton has 26271 states and 35993 transitions. Word has length 320 [2022-07-20 02:36:13,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:36:13,119 INFO L495 AbstractCegarLoop]: Abstraction has 26271 states and 35993 transitions. [2022-07-20 02:36:13,119 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) [2022-07-20 02:36:13,119 INFO L276 IsEmpty]: Start isEmpty. Operand 26271 states and 35993 transitions. [2022-07-20 02:36:13,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2022-07-20 02:36:13,135 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:36:13,136 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] [2022-07-20 02:36:13,253 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-20 02:36:13,355 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 02:36:13,355 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] === [2022-07-20 02:36:13,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:36:13,356 INFO L85 PathProgramCache]: Analyzing trace with hash 183044472, now seen corresponding path program 1 times [2022-07-20 02:36:13,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 02:36:13,360 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [929011314] [2022-07-20 02:36:13,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:36:13,360 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 02:36:13,360 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 02:36:13,362 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) [2022-07-20 02:36:13,365 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-20 02:36:17,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:36:17,718 INFO L263 TraceCheckSpWp]: Trace formula consists of 4368 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-20 02:36:17,725 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 02:36:24,231 INFO L134 CoverageAnalysis]: Checked inductivity of 2196 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2196 trivial. 0 not checked. [2022-07-20 02:36:24,231 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 02:36:24,232 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 02:36:24,232 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [929011314] [2022-07-20 02:36:24,232 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [929011314] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:36:24,232 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:36:24,232 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 02:36:24,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482470107] [2022-07-20 02:36:24,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:36:24,233 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 02:36:24,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 02:36:24,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 02:36:24,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-20 02:36:24,233 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) [2022-07-20 02:36:25,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:36:25,298 INFO L93 Difference]: Finished difference Result 26271 states and 35993 transitions. [2022-07-20 02:36:25,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-20 02:36:25,299 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 [2022-07-20 02:36:25,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:36:25,462 INFO L225 Difference]: With dead ends: 26271 [2022-07-20 02:36:25,462 INFO L226 Difference]: Without dead ends: 26216 [2022-07-20 02:36:25,497 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 [2022-07-20 02:36:25,497 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 [2022-07-20 02:36:25,498 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] [2022-07-20 02:36:25,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26216 states. [2022-07-20 02:36:26,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26216 to 26216. [2022-07-20 02:36:26,565 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) [2022-07-20 02:36:26,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26216 states to 26216 states and 35905 transitions. [2022-07-20 02:36:26,699 INFO L78 Accepts]: Start accepts. Automaton has 26216 states and 35905 transitions. Word has length 320 [2022-07-20 02:36:26,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:36:26,700 INFO L495 AbstractCegarLoop]: Abstraction has 26216 states and 35905 transitions. [2022-07-20 02:36:26,700 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) [2022-07-20 02:36:26,700 INFO L276 IsEmpty]: Start isEmpty. Operand 26216 states and 35905 transitions. [2022-07-20 02:36:26,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-07-20 02:36:26,742 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:36:26,742 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] [2022-07-20 02:36:26,863 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-20 02:36:26,957 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 02:36:26,958 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] === [2022-07-20 02:36:26,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:36:26,958 INFO L85 PathProgramCache]: Analyzing trace with hash -143872535, now seen corresponding path program 1 times [2022-07-20 02:36:26,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 02:36:26,961 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2109635115] [2022-07-20 02:36:26,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:36:26,962 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 02:36:26,962 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 02:36:26,963 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) [2022-07-20 02:36:26,964 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-20 02:36:31,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:36:31,637 INFO L263 TraceCheckSpWp]: Trace formula consists of 4472 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 02:36:31,646 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 02:36:32,910 INFO L134 CoverageAnalysis]: Checked inductivity of 2203 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 2034 trivial. 0 not checked. [2022-07-20 02:36:32,910 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 02:36:32,910 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 02:36:32,911 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2109635115] [2022-07-20 02:36:32,911 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2109635115] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:36:32,911 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:36:32,911 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 02:36:32,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578960802] [2022-07-20 02:36:32,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:36:32,917 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 02:36:32,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 02:36:32,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 02:36:32,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 02:36:32,918 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) [2022-07-20 02:36:34,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:36:34,992 INFO L93 Difference]: Finished difference Result 60468 states and 82797 transitions. [2022-07-20 02:36:34,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 02:36:34,993 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 [2022-07-20 02:36:34,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:36:35,202 INFO L225 Difference]: With dead ends: 60468 [2022-07-20 02:36:35,202 INFO L226 Difference]: Without dead ends: 36896 [2022-07-20 02:36:35,308 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 [2022-07-20 02:36:35,310 INFO L413 NwaCegarLoop]: 8179 mSDtfsCounter, 3686 mSDsluCounter, 4523 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s 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, 1.2s IncrementalHoareTripleChecker+Time [2022-07-20 02:36:35,310 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3686 Valid, 12702 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-20 02:36:35,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36896 states. [2022-07-20 02:36:36,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36896 to 36892. [2022-07-20 02:36:36,755 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) [2022-07-20 02:36:37,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36892 states to 36892 states and 50427 transitions. [2022-07-20 02:36:37,287 INFO L78 Accepts]: Start accepts. Automaton has 36892 states and 50427 transitions. Word has length 346 [2022-07-20 02:36:37,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:36:37,291 INFO L495 AbstractCegarLoop]: Abstraction has 36892 states and 50427 transitions. [2022-07-20 02:36:37,292 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) [2022-07-20 02:36:37,292 INFO L276 IsEmpty]: Start isEmpty. Operand 36892 states and 50427 transitions. [2022-07-20 02:36:37,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 375 [2022-07-20 02:36:37,415 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:36:37,415 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] [2022-07-20 02:36:37,635 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forcibly destroying the process [2022-07-20 02:36:37,643 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-20 02:36:37,643 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 02:36:37,643 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] === [2022-07-20 02:36:37,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:36:37,644 INFO L85 PathProgramCache]: Analyzing trace with hash 843119297, now seen corresponding path program 1 times [2022-07-20 02:36:37,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 02:36:37,649 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1039128165] [2022-07-20 02:36:37,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:36:37,649 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 02:36:37,649 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 02:36:37,651 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) [2022-07-20 02:36:37,653 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-20 02:36:41,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:36:42,147 INFO L263 TraceCheckSpWp]: Trace formula consists of 4461 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 02:36:42,153 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 02:36:42,515 INFO L134 CoverageAnalysis]: Checked inductivity of 2312 backedges. 200 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2022-07-20 02:36:42,515 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 02:36:42,515 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 02:36:42,515 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1039128165] [2022-07-20 02:36:42,516 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1039128165] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:36:42,516 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:36:42,516 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 02:36:42,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094937367] [2022-07-20 02:36:42,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:36:42,518 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 02:36:42,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 02:36:42,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 02:36:42,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 02:36:42,519 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)