./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-atheros-atl1c-atl1c.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 791161d1 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-atheros-atl1c-atl1c.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 189c9c1835fba5722e0b94d8232e079a97aae7f53f40713e9106571ffb9cd9c4 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 02:44:31,904 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 02:44:31,906 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 02:44:31,936 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 02:44:31,937 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 02:44:31,938 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 02:44:31,939 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 02:44:31,941 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 02:44:31,942 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 02:44:31,948 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 02:44:31,949 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 02:44:31,952 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 02:44:31,952 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 02:44:31,957 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 02:44:31,958 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 02:44:31,962 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 02:44:31,963 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 02:44:31,965 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 02:44:31,966 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 02:44:31,970 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 02:44:31,973 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 02:44:31,974 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 02:44:31,975 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 02:44:31,976 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 02:44:31,976 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 02:44:31,980 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 02:44:31,984 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 02:44:31,984 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 02:44:31,985 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 02:44:31,985 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 02:44:31,986 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 02:44:31,987 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 02:44:31,988 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 02:44:31,988 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 02:44:31,989 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 02:44:31,990 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 02:44:31,990 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 02:44:31,991 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 02:44:31,991 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 02:44:31,991 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 02:44:31,992 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 02:44:31,993 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 02:44:31,995 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-23 02:44:32,019 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 02:44:32,020 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 02:44:32,020 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 02:44:32,020 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 02:44:32,022 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 02:44:32,022 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 02:44:32,023 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 02:44:32,023 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 02:44:32,023 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 02:44:32,024 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 02:44:32,024 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 02:44:32,024 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 02:44:32,025 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 02:44:32,025 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 02:44:32,025 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 02:44:32,025 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 02:44:32,025 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 02:44:32,025 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 02:44:32,026 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 02:44:32,026 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 02:44:32,026 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 02:44:32,026 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 02:44:32,026 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 02:44:32,027 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 02:44:32,027 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 02:44:32,027 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 02:44:32,027 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-23 02:44:32,027 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 02:44:32,027 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 02:44:32,028 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 02:44:32,028 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 189c9c1835fba5722e0b94d8232e079a97aae7f53f40713e9106571ffb9cd9c4 [2022-07-23 02:44:32,257 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 02:44:32,296 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 02:44:32,299 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 02:44:32,300 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 02:44:32,300 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 02:44:32,301 INFO L432 ainManager$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-atheros-atl1c-atl1c.cil.i [2022-07-23 02:44:32,351 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e4929c45/bddc473cd2e44597a7eb2cf7be9885c3/FLAGc98f0781e [2022-07-23 02:44:33,221 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 02:44:33,222 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-atheros-atl1c-atl1c.cil.i [2022-07-23 02:44:33,304 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e4929c45/bddc473cd2e44597a7eb2cf7be9885c3/FLAGc98f0781e [2022-07-23 02:44:33,635 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e4929c45/bddc473cd2e44597a7eb2cf7be9885c3 [2022-07-23 02:44:33,638 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 02:44:33,640 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 02:44:33,641 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 02:44:33,641 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 02:44:33,645 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 02:44:33,646 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 02:44:33" (1/1) ... [2022-07-23 02:44:33,646 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17d21104 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:44:33, skipping insertion in model container [2022-07-23 02:44:33,647 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 02:44:33" (1/1) ... [2022-07-23 02:44:33,654 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 02:44:33,812 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 02:44:38,092 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-atheros-atl1c-atl1c.cil.i[484314,484327] [2022-07-23 02:44:38,095 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-atheros-atl1c-atl1c.cil.i[484461,484474] [2022-07-23 02:44:38,096 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-atheros-atl1c-atl1c.cil.i[484600,484613] [2022-07-23 02:44:38,097 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-atheros-atl1c-atl1c.cil.i[484758,484771] [2022-07-23 02:44:38,144 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 02:44:38,195 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 02:44:38,367 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: data = data & 4294959087U [8104] 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:1627) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:332) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1470) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:289) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2361) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:601) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:270) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.performMainRun(MainTranslator.java:244) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:206) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-07-23 02:44:38,377 INFO L158 Benchmark]: Toolchain (without parser) took 4735.76ms. Allocated memory was 109.1MB in the beginning and 165.7MB in the end (delta: 56.6MB). Free memory was 71.6MB in the beginning and 69.4MB in the end (delta: 2.2MB). Peak memory consumption was 77.7MB. Max. memory is 16.1GB. [2022-07-23 02:44:38,377 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 86.0MB. Free memory is still 63.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 02:44:38,379 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4733.57ms. Allocated memory was 109.1MB in the beginning and 165.7MB in the end (delta: 56.6MB). Free memory was 71.6MB in the beginning and 69.4MB in the end (delta: 2.2MB). Peak memory consumption was 77.7MB. Max. memory is 16.1GB. [2022-07-23 02:44:38,380 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 86.0MB. Free memory is still 63.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4733.57ms. Allocated memory was 109.1MB in the beginning and 165.7MB in the end (delta: 56.6MB). Free memory was 71.6MB in the beginning and 69.4MB in the end (delta: 2.2MB). Peak memory consumption was 77.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: TypeCheckException: Type check failed for C: data = data & 4294959087U [8104] de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: TypeCheckException: Type check failed for C: data = data & 4294959087U [8104]: 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-atheros-atl1c-atl1c.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 189c9c1835fba5722e0b94d8232e079a97aae7f53f40713e9106571ffb9cd9c4 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 02:44:40,166 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 02:44:40,169 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 02:44:40,219 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 02:44:40,220 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 02:44:40,222 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 02:44:40,225 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 02:44:40,228 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 02:44:40,230 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 02:44:40,234 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 02:44:40,235 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 02:44:40,240 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 02:44:40,240 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 02:44:40,242 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 02:44:40,243 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 02:44:40,246 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 02:44:40,247 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 02:44:40,248 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 02:44:40,250 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 02:44:40,255 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 02:44:40,257 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 02:44:40,258 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 02:44:40,259 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 02:44:40,260 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 02:44:40,261 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 02:44:40,264 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 02:44:40,264 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 02:44:40,265 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 02:44:40,265 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 02:44:40,266 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 02:44:40,268 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 02:44:40,268 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 02:44:40,270 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 02:44:40,271 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 02:44:40,272 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 02:44:40,273 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 02:44:40,273 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 02:44:40,274 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 02:44:40,274 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 02:44:40,274 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 02:44:40,275 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 02:44:40,276 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 02:44:40,283 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-23 02:44:40,305 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 02:44:40,308 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 02:44:40,309 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 02:44:40,309 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 02:44:40,309 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 02:44:40,310 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 02:44:40,311 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 02:44:40,311 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 02:44:40,311 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 02:44:40,312 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 02:44:40,312 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 02:44:40,312 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 02:44:40,312 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 02:44:40,313 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 02:44:40,313 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-23 02:44:40,313 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-23 02:44:40,313 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-23 02:44:40,314 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 02:44:40,314 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 02:44:40,314 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 02:44:40,314 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 02:44:40,314 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 02:44:40,315 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 02:44:40,315 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 02:44:40,315 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 02:44:40,315 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 02:44:40,316 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 02:44:40,316 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-23 02:44:40,316 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-23 02:44:40,316 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 02:44:40,317 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 02:44:40,317 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 02:44:40,317 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-23 02:44:40,317 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 189c9c1835fba5722e0b94d8232e079a97aae7f53f40713e9106571ffb9cd9c4 [2022-07-23 02:44:40,628 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 02:44:40,653 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 02:44:40,655 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 02:44:40,656 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 02:44:40,659 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 02:44:40,661 INFO L432 ainManager$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-atheros-atl1c-atl1c.cil.i [2022-07-23 02:44:40,725 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b38be35f1/0c06ab3ec86649fcae5ea66e8d908611/FLAG12f608d4b [2022-07-23 02:44:41,636 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 02:44:41,636 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-atheros-atl1c-atl1c.cil.i [2022-07-23 02:44:41,698 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b38be35f1/0c06ab3ec86649fcae5ea66e8d908611/FLAG12f608d4b [2022-07-23 02:44:41,712 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b38be35f1/0c06ab3ec86649fcae5ea66e8d908611 [2022-07-23 02:44:41,715 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 02:44:41,716 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 02:44:41,717 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 02:44:41,717 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 02:44:41,722 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 02:44:41,722 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 02:44:41" (1/1) ... [2022-07-23 02:44:41,723 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@152a4627 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:44:41, skipping insertion in model container [2022-07-23 02:44:41,724 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 02:44:41" (1/1) ... [2022-07-23 02:44:41,731 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 02:44:41,925 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 02:44:46,120 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-atheros-atl1c-atl1c.cil.i[484314,484327] [2022-07-23 02:44:46,123 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-atheros-atl1c-atl1c.cil.i[484461,484474] [2022-07-23 02:44:46,124 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-atheros-atl1c-atl1c.cil.i[484600,484613] [2022-07-23 02:44:46,125 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-atheros-atl1c-atl1c.cil.i[484758,484771] [2022-07-23 02:44:46,159 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 02:44:46,214 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-23 02:44:46,295 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 02:44:46,614 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-atheros-atl1c-atl1c.cil.i[484314,484327] [2022-07-23 02:44:46,615 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-atheros-atl1c-atl1c.cil.i[484461,484474] [2022-07-23 02:44:46,615 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-atheros-atl1c-atl1c.cil.i[484600,484613] [2022-07-23 02:44:46,616 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-atheros-atl1c-atl1c.cil.i[484758,484771] [2022-07-23 02:44:46,621 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 02:44:46,689 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 02:44:47,114 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-atheros-atl1c-atl1c.cil.i[484314,484327] [2022-07-23 02:44:47,114 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-atheros-atl1c-atl1c.cil.i[484461,484474] [2022-07-23 02:44:47,116 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-atheros-atl1c-atl1c.cil.i[484600,484613] [2022-07-23 02:44:47,119 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-atheros-atl1c-atl1c.cil.i[484758,484771] [2022-07-23 02:44:47,126 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 02:44:47,371 INFO L208 MainTranslator]: Completed translation [2022-07-23 02:44:47,387 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:44:47 WrapperNode [2022-07-23 02:44:47,388 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 02:44:47,389 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 02:44:47,389 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 02:44:47,389 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 02:44:47,396 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:44:47" (1/1) ... [2022-07-23 02:44:47,611 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:44:47" (1/1) ... [2022-07-23 02:44:47,853 INFO L137 Inliner]: procedures = 596, calls = 3848, calls flagged for inlining = 356, calls inlined = 344, statements flattened = 9942 [2022-07-23 02:44:47,854 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 02:44:47,855 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 02:44:47,855 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 02:44:47,855 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 02:44:47,863 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:44:47" (1/1) ... [2022-07-23 02:44:47,863 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:44:47" (1/1) ... [2022-07-23 02:44:47,912 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:44:47" (1/1) ... [2022-07-23 02:44:47,913 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:44:47" (1/1) ... [2022-07-23 02:44:48,286 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:44:47" (1/1) ... [2022-07-23 02:44:48,319 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:44:47" (1/1) ... [2022-07-23 02:44:48,376 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:44:47" (1/1) ... [2022-07-23 02:44:48,439 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 02:44:48,441 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 02:44:48,442 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 02:44:48,442 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 02:44:48,443 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:44:47" (1/1) ... [2022-07-23 02:44:48,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 02:44:48,459 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 02:44:48,474 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-23 02:44:48,492 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-23 02:44:48,517 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-07-23 02:44:48,517 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-07-23 02:44:48,517 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2022-07-23 02:44:48,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2022-07-23 02:44:48,517 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_read_phy_core [2022-07-23 02:44:48,518 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_read_phy_core [2022-07-23 02:44:48,518 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2022-07-23 02:44:48,518 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2022-07-23 02:44:48,518 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_post_phy_linkchg [2022-07-23 02:44:48,518 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_post_phy_linkchg [2022-07-23 02:44:48,518 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-23 02:44:48,518 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-23 02:44:48,519 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-23 02:44:48,519 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-23 02:44:48,521 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-07-23 02:44:48,521 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-07-23 02:44:48,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-23 02:44:48,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-23 02:44:48,522 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_clean_rx_ring [2022-07-23 02:44:48,522 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_clean_rx_ring [2022-07-23 02:44:48,522 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2022-07-23 02:44:48,522 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2022-07-23 02:44:48,522 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-07-23 02:44:48,522 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-07-23 02:44:48,522 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-23 02:44:48,523 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-23 02:44:48,523 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-23 02:44:48,523 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-23 02:44:48,523 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_read_current_addr [2022-07-23 02:44:48,523 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_read_current_addr [2022-07-23 02:44:48,523 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-23 02:44:48,523 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-23 02:44:48,524 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-07-23 02:44:48,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-07-23 02:44:48,524 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_reset_mac [2022-07-23 02:44:48,524 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_reset_mac [2022-07-23 02:44:48,524 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_irq_disable [2022-07-23 02:44:48,524 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_irq_disable [2022-07-23 02:44:48,524 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_stop_phy_polling [2022-07-23 02:44:48,525 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_stop_phy_polling [2022-07-23 02:44:48,525 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-23 02:44:48,525 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-23 02:44:48,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-23 02:44:48,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-23 02:44:48,525 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-23 02:44:48,525 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-23 02:44:48,526 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-23 02:44:48,526 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-23 02:44:48,526 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-23 02:44:48,526 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-23 02:44:48,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-23 02:44:48,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-23 02:44:48,526 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2022-07-23 02:44:48,527 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2022-07-23 02:44:48,527 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-23 02:44:48,527 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-23 02:44:48,527 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-23 02:44:48,527 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-23 02:44:48,527 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-07-23 02:44:48,527 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-07-23 02:44:48,528 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-23 02:44:48,528 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-07-23 02:44:48,528 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-07-23 02:44:48,528 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_speed_and_duplex [2022-07-23 02:44:48,528 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_speed_and_duplex [2022-07-23 02:44:48,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-23 02:44:48,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-23 02:44:48,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-23 02:44:48,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-23 02:44:48,529 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-07-23 02:44:48,529 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-07-23 02:44:48,529 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_close [2022-07-23 02:44:48,529 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_close [2022-07-23 02:44:48,529 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-23 02:44:48,529 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-23 02:44:48,530 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-23 02:44:48,530 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-23 02:44:48,530 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_write_phy_reg [2022-07-23 02:44:48,530 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_write_phy_reg [2022-07-23 02:44:48,530 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_phy_init [2022-07-23 02:44:48,530 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_phy_init [2022-07-23 02:44:48,530 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_read_phy_dbg [2022-07-23 02:44:48,531 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_read_phy_dbg [2022-07-23 02:44:48,531 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_regs_len [2022-07-23 02:44:48,531 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_regs_len [2022-07-23 02:44:48,531 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-23 02:44:48,531 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-23 02:44:48,531 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-23 02:44:48,531 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-23 02:44:48,532 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_free_ring_resources [2022-07-23 02:44:48,532 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_free_ring_resources [2022-07-23 02:44:48,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-23 02:44:48,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-23 02:44:48,532 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-23 02:44:48,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-23 02:44:48,532 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-23 02:44:48,533 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-23 02:44:48,533 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-23 02:44:48,533 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-23 02:44:48,533 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-23 02:44:48,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-23 02:44:48,533 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-07-23 02:44:48,533 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-07-23 02:44:48,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-23 02:44:48,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-23 02:44:48,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-23 02:44:48,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-23 02:44:48,534 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-23 02:44:48,535 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-23 02:44:48,535 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_set_multi [2022-07-23 02:44:48,536 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_set_multi [2022-07-23 02:44:48,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-23 02:44:48,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-23 02:44:48,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-23 02:44:48,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-23 02:44:48,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-23 02:44:48,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-07-23 02:44:48,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-07-23 02:44:48,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2022-07-23 02:44:48,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2022-07-23 02:44:48,542 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-23 02:44:48,542 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-07-23 02:44:48,542 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-07-23 02:44:48,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-23 02:44:48,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-23 02:44:48,542 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-23 02:44:48,543 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-23 02:44:48,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-23 02:44:48,543 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_start_phy_polling [2022-07-23 02:44:48,543 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_start_phy_polling [2022-07-23 02:44:48,543 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2022-07-23 02:44:48,543 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2022-07-23 02:44:48,543 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-23 02:44:48,544 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-23 02:44:48,544 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-23 02:44:48,544 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-23 02:44:48,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-23 02:44:48,544 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-23 02:44:48,544 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-07-23 02:44:48,544 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-07-23 02:44:48,544 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2022-07-23 02:44:48,545 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2022-07-23 02:44:48,545 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2022-07-23 02:44:48,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2022-07-23 02:44:48,545 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_write_phy_core [2022-07-23 02:44:48,545 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_write_phy_core [2022-07-23 02:44:48,545 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_wait_until_idle [2022-07-23 02:44:48,545 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_wait_until_idle [2022-07-23 02:44:48,546 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-07-23 02:44:48,546 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-07-23 02:44:48,546 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-23 02:44:48,546 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-23 02:44:48,546 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_check_link_status [2022-07-23 02:44:48,546 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_check_link_status [2022-07-23 02:44:48,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-23 02:44:48,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-23 02:44:48,547 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_alloc_rx_buffer [2022-07-23 02:44:48,547 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_alloc_rx_buffer [2022-07-23 02:44:48,547 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_io_resume [2022-07-23 02:44:48,547 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_io_resume [2022-07-23 02:44:48,547 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_write_phy_dbg [2022-07-23 02:44:48,547 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_write_phy_dbg [2022-07-23 02:44:48,547 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_wait_mdio_idle [2022-07-23 02:44:48,547 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_wait_mdio_idle [2022-07-23 02:44:48,548 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-07-23 02:44:48,548 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-07-23 02:44:48,548 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-23 02:44:48,548 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-23 02:44:48,548 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-23 02:44:48,548 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_vlan_mode [2022-07-23 02:44:48,548 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_vlan_mode [2022-07-23 02:44:48,549 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_tx_buffer [2022-07-23 02:44:48,549 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_tx_buffer [2022-07-23 02:44:48,549 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2022-07-23 02:44:48,549 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2022-07-23 02:44:48,549 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_down [2022-07-23 02:44:48,550 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_down [2022-07-23 02:44:48,550 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_suspend [2022-07-23 02:44:48,551 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_suspend [2022-07-23 02:44:48,551 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 02:44:48,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 02:44:48,551 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-07-23 02:44:48,551 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-07-23 02:44:48,551 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-07-23 02:44:48,551 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-07-23 02:44:48,551 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-23 02:44:48,552 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-23 02:44:48,552 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-23 02:44:48,552 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-23 02:44:48,552 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-23 02:44:48,552 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-23 02:44:48,552 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-23 02:44:48,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-23 02:44:48,552 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-23 02:44:48,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-23 02:44:48,553 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-23 02:44:48,553 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-23 02:44:48,553 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_tx_timeout [2022-07-23 02:44:48,553 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_tx_timeout [2022-07-23 02:44:48,553 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-07-23 02:44:48,553 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-07-23 02:44:48,553 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-23 02:44:48,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-23 02:44:48,554 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_tpd [2022-07-23 02:44:48,554 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_tpd [2022-07-23 02:44:48,554 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_hw_set_mac_addr [2022-07-23 02:44:48,554 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_hw_set_mac_addr [2022-07-23 02:44:48,554 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-23 02:44:48,554 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-23 02:44:48,554 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2022-07-23 02:44:48,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2022-07-23 02:44:48,555 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-07-23 02:44:48,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-07-23 02:44:48,555 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_restart_autoneg [2022-07-23 02:44:48,555 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_restart_autoneg [2022-07-23 02:44:48,555 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_set_rxbufsize [2022-07-23 02:44:48,555 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_set_rxbufsize [2022-07-23 02:44:48,555 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-23 02:44:48,555 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-23 02:44:48,556 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-23 02:44:48,556 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-23 02:44:48,556 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_free_irq [2022-07-23 02:44:48,556 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_free_irq [2022-07-23 02:44:48,556 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-07-23 02:44:48,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-07-23 02:44:48,556 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_write_phy_ext [2022-07-23 02:44:48,556 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_write_phy_ext [2022-07-23 02:44:48,557 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-07-23 02:44:48,557 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-07-23 02:44:48,557 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-23 02:44:48,557 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-23 02:44:48,559 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-23 02:44:48,559 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2022-07-23 02:44:48,559 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2022-07-23 02:44:48,560 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-07-23 02:44:48,560 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-07-23 02:44:48,560 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_nway_reset [2022-07-23 02:44:48,561 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_nway_reset [2022-07-23 02:44:48,561 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_reset_dma_ring [2022-07-23 02:44:48,562 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_reset_dma_ring [2022-07-23 02:44:48,562 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-23 02:44:48,562 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-23 02:44:48,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value_probe [2022-07-23 02:44:48,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value_probe [2022-07-23 02:44:48,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-23 02:44:48,563 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_irq_enable [2022-07-23 02:44:48,563 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_irq_enable [2022-07-23 02:44:48,563 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-07-23 02:44:48,563 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-07-23 02:44:48,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-23 02:44:48,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-23 02:44:48,563 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_eeprom_len [2022-07-23 02:44:48,563 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_eeprom_len [2022-07-23 02:44:48,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-23 02:44:48,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-23 02:44:48,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-23 02:44:48,564 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-07-23 02:44:48,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-07-23 02:44:48,564 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_check_eeprom_exist [2022-07-23 02:44:48,564 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_check_eeprom_exist [2022-07-23 02:44:48,564 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-07-23 02:44:48,564 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-07-23 02:44:48,565 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-07-23 02:44:48,565 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-07-23 02:44:48,565 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-07-23 02:44:48,565 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-07-23 02:44:48,565 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_netpoll [2022-07-23 02:44:48,565 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_netpoll [2022-07-23 02:44:48,565 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-23 02:44:48,565 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-23 02:44:48,565 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-23 02:44:48,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-23 02:44:48,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-23 02:44:48,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-23 02:44:48,566 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_configure [2022-07-23 02:44:48,566 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_configure [2022-07-23 02:44:48,566 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2022-07-23 02:44:48,566 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2022-07-23 02:44:48,566 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_clean_tx_ring [2022-07-23 02:44:48,567 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_clean_tx_ring [2022-07-23 02:44:48,567 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_phy_reset [2022-07-23 02:44:48,567 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_phy_reset [2022-07-23 02:44:48,567 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_open [2022-07-23 02:44:48,567 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_open [2022-07-23 02:44:48,567 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-23 02:44:48,567 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-23 02:44:48,567 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-23 02:44:48,567 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-23 02:44:48,568 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_atl1c_driver_exit_16_2 [2022-07-23 02:44:48,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_atl1c_driver_exit_16_2 [2022-07-23 02:44:48,568 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-07-23 02:44:48,568 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-07-23 02:44:48,568 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2022-07-23 02:44:48,568 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2022-07-23 02:44:48,568 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-23 02:44:48,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-23 02:44:48,569 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_intr [2022-07-23 02:44:48,569 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_intr [2022-07-23 02:44:48,569 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-23 02:44:48,569 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-23 02:44:48,569 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_power_saving [2022-07-23 02:44:48,569 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_power_saving [2022-07-23 02:44:48,569 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_phy_setup_adv [2022-07-23 02:44:48,569 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_phy_setup_adv [2022-07-23 02:44:48,569 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-07-23 02:44:48,570 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-07-23 02:44:48,570 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-23 02:44:48,570 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-23 02:44:48,570 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_clean_buffer [2022-07-23 02:44:48,570 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_clean_buffer [2022-07-23 02:44:48,570 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_remove [2022-07-23 02:44:48,570 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_remove [2022-07-23 02:44:48,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-23 02:44:48,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-23 02:44:48,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-23 02:44:48,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-23 02:44:48,571 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-23 02:44:48,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-23 02:44:48,571 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-23 02:44:48,571 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-23 02:44:48,571 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-07-23 02:44:48,572 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-07-23 02:44:48,572 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_up [2022-07-23 02:44:48,572 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_up [2022-07-23 02:44:48,572 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-23 02:44:48,572 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-23 02:44:48,572 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_disable_l0s_l1 [2022-07-23 02:44:48,572 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_disable_l0s_l1 [2022-07-23 02:44:48,572 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_resume [2022-07-23 02:44:48,573 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_resume [2022-07-23 02:44:48,573 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdrlen [2022-07-23 02:44:48,573 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdrlen [2022-07-23 02:44:48,573 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_reset_pcie [2022-07-23 02:44:48,573 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_reset_pcie [2022-07-23 02:44:48,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-23 02:44:48,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-23 02:44:48,573 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-07-23 02:44:48,573 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-07-23 02:44:48,574 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_shutdown [2022-07-23 02:44:48,574 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_shutdown [2022-07-23 02:44:48,574 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_set_aspm [2022-07-23 02:44:48,574 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_set_aspm [2022-07-23 02:44:48,574 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2022-07-23 02:44:48,574 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2022-07-23 02:44:48,574 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-23 02:44:48,574 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-23 02:44:48,575 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-07-23 02:44:48,575 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-07-23 02:44:48,575 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-07-23 02:44:48,575 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-07-23 02:44:48,575 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_read_phy_reg [2022-07-23 02:44:48,575 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_read_phy_reg [2022-07-23 02:44:48,575 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-23 02:44:48,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-23 02:44:49,805 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 02:44:49,815 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 02:44:50,550 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-23 02:45:45,339 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-23 02:45:47,968 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 02:45:47,994 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 02:45:47,995 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-23 02:45:48,001 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 02:45:48 BoogieIcfgContainer [2022-07-23 02:45:48,001 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 02:45:48,004 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-23 02:45:48,004 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-23 02:45:48,007 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-23 02:45:48,007 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 02:44:41" (1/3) ... [2022-07-23 02:45:48,008 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@132274e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 02:45:48, skipping insertion in model container [2022-07-23 02:45:48,008 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:44:47" (2/3) ... [2022-07-23 02:45:48,008 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@132274e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 02:45:48, skipping insertion in model container [2022-07-23 02:45:48,009 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 02:45:48" (3/3) ... [2022-07-23 02:45:48,010 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i [2022-07-23 02:45:48,025 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-23 02:45:48,025 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-07-23 02:45:48,142 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-23 02:45:48,152 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@208556af, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@63e70e02 [2022-07-23 02:45:48,155 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-07-23 02:45:48,171 INFO L276 IsEmpty]: Start isEmpty. Operand has 4049 states, 2766 states have (on average 1.2657266811279826) internal successors, (3501), 2805 states have internal predecessors, (3501), 1121 states have call successors, (1121), 161 states have call predecessors, (1121), 160 states have return successors, (1112), 1103 states have call predecessors, (1112), 1112 states have call successors, (1112) [2022-07-23 02:45:48,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2022-07-23 02:45:48,206 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:45:48,207 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:45:48,208 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:45:48,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:45:48,213 INFO L85 PathProgramCache]: Analyzing trace with hash -1574313908, now seen corresponding path program 1 times [2022-07-23 02:45:48,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:45:48,229 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1297246440] [2022-07-23 02:45:48,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:45:48,230 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:45:48,231 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:45:48,237 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 02:45:48,289 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-23 02:45:50,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:45:50,590 INFO L263 TraceCheckSpWp]: Trace formula consists of 1713 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 02:45:50,609 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:45:50,945 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 1224 trivial. 0 not checked. [2022-07-23 02:45:50,957 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 02:45:50,958 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:45:50,958 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1297246440] [2022-07-23 02:45:50,959 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1297246440] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:45:50,959 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:45:50,960 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 02:45:50,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746758247] [2022-07-23 02:45:50,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:45:50,965 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 02:45:50,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:45:51,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 02:45:51,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:45:51,019 INFO L87 Difference]: Start difference. First operand has 4049 states, 2766 states have (on average 1.2657266811279826) internal successors, (3501), 2805 states have internal predecessors, (3501), 1121 states have call successors, (1121), 161 states have call predecessors, (1121), 160 states have return successors, (1112), 1103 states have call predecessors, (1112), 1112 states have call successors, (1112) Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-07-23 02:45:52,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:45:52,022 INFO L93 Difference]: Finished difference Result 11967 states and 17135 transitions. [2022-07-23 02:45:52,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 02:45:52,025 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 216 [2022-07-23 02:45:52,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:45:52,111 INFO L225 Difference]: With dead ends: 11967 [2022-07-23 02:45:52,111 INFO L226 Difference]: Without dead ends: 7941 [2022-07-23 02:45:52,150 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 214 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:45:52,153 INFO L413 NwaCegarLoop]: 6793 mSDtfsCounter, 5564 mSDsluCounter, 5650 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5564 SdHoareTripleChecker+Valid, 12443 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-23 02:45:52,153 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5564 Valid, 12443 Invalid, 44 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-23 02:45:52,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7941 states. [2022-07-23 02:45:52,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7941 to 7939. [2022-07-23 02:45:52,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7939 states, 5435 states have (on average 1.259797608095676) internal successors, (6847), 5512 states have internal predecessors, (6847), 2185 states have call successors, (2185), 318 states have call predecessors, (2185), 317 states have return successors, (2182), 2164 states have call predecessors, (2182), 2182 states have call successors, (2182) [2022-07-23 02:45:52,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7939 states to 7939 states and 11214 transitions. [2022-07-23 02:45:52,764 INFO L78 Accepts]: Start accepts. Automaton has 7939 states and 11214 transitions. Word has length 216 [2022-07-23 02:45:52,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:45:52,769 INFO L495 AbstractCegarLoop]: Abstraction has 7939 states and 11214 transitions. [2022-07-23 02:45:52,769 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-07-23 02:45:52,769 INFO L276 IsEmpty]: Start isEmpty. Operand 7939 states and 11214 transitions. [2022-07-23 02:45:52,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-07-23 02:45:52,782 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:45:52,783 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:45:52,822 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-07-23 02:45:52,999 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:45:53,000 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:45:53,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:45:53,001 INFO L85 PathProgramCache]: Analyzing trace with hash 874449462, now seen corresponding path program 1 times [2022-07-23 02:45:53,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:45:53,003 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1454231173] [2022-07-23 02:45:53,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:45:53,003 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:45:53,004 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:45:53,005 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 02:45:53,007 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-23 02:45:55,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:45:55,240 INFO L263 TraceCheckSpWp]: Trace formula consists of 1801 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 02:45:55,248 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:45:55,638 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 1224 trivial. 0 not checked. [2022-07-23 02:45:55,638 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 02:45:55,639 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:45:55,639 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1454231173] [2022-07-23 02:45:55,639 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1454231173] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:45:55,639 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:45:55,639 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 02:45:55,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205199141] [2022-07-23 02:45:55,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:45:55,643 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 02:45:55,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:45:55,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 02:45:55,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:45:55,644 INFO L87 Difference]: Start difference. First operand 7939 states and 11214 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-07-23 02:45:56,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:45:56,834 INFO L93 Difference]: Finished difference Result 18941 states and 26702 transitions. [2022-07-23 02:45:56,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 02:45:56,835 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 234 [2022-07-23 02:45:56,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:45:56,919 INFO L225 Difference]: With dead ends: 18941 [2022-07-23 02:45:56,920 INFO L226 Difference]: Without dead ends: 11041 [2022-07-23 02:45:56,964 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 232 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:45:56,966 INFO L413 NwaCegarLoop]: 6682 mSDtfsCounter, 4938 mSDsluCounter, 5613 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4938 SdHoareTripleChecker+Valid, 12295 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-23 02:45:56,968 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4938 Valid, 12295 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-23 02:45:56,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11041 states. [2022-07-23 02:45:57,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11041 to 11032. [2022-07-23 02:45:57,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11032 states, 7560 states have (on average 1.2560846560846561) internal successors, (9496), 7664 states have internal predecessors, (9496), 3006 states have call successors, (3006), 466 states have call predecessors, (3006), 464 states have return successors, (3003), 2973 states have call predecessors, (3003), 3003 states have call successors, (3003) [2022-07-23 02:45:57,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11032 states to 11032 states and 15505 transitions. [2022-07-23 02:45:57,601 INFO L78 Accepts]: Start accepts. Automaton has 11032 states and 15505 transitions. Word has length 234 [2022-07-23 02:45:57,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:45:57,603 INFO L495 AbstractCegarLoop]: Abstraction has 11032 states and 15505 transitions. [2022-07-23 02:45:57,603 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 3 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-07-23 02:45:57,604 INFO L276 IsEmpty]: Start isEmpty. Operand 11032 states and 15505 transitions. [2022-07-23 02:45:57,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2022-07-23 02:45:57,611 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:45:57,611 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 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] [2022-07-23 02:45:57,668 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-23 02:45:57,827 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:45:57,830 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:45:57,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:45:57,831 INFO L85 PathProgramCache]: Analyzing trace with hash 1292582893, now seen corresponding path program 1 times [2022-07-23 02:45:57,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:45:57,834 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2055148453] [2022-07-23 02:45:57,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:45:57,834 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:45:57,834 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:45:57,836 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 02:45:57,838 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-23 02:45:59,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:45:59,872 INFO L263 TraceCheckSpWp]: Trace formula consists of 1776 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 02:45:59,879 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:46:00,274 INFO L134 CoverageAnalysis]: Checked inductivity of 1279 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 1228 trivial. 0 not checked. [2022-07-23 02:46:00,274 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 02:46:00,274 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:46:00,274 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2055148453] [2022-07-23 02:46:00,275 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2055148453] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:46:00,275 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:46:00,275 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 02:46:00,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802575428] [2022-07-23 02:46:00,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:46:00,275 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 02:46:00,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:46:00,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 02:46:00,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:46:00,276 INFO L87 Difference]: Start difference. First operand 11032 states and 15505 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-07-23 02:46:01,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:46:01,275 INFO L93 Difference]: Finished difference Result 29329 states and 41233 transitions. [2022-07-23 02:46:01,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 02:46:01,277 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 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 248 [2022-07-23 02:46:01,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:46:01,429 INFO L225 Difference]: With dead ends: 29329 [2022-07-23 02:46:01,430 INFO L226 Difference]: Without dead ends: 18336 [2022-07-23 02:46:01,485 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 247 GetRequests, 246 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:46:01,486 INFO L413 NwaCegarLoop]: 6764 mSDtfsCounter, 5501 mSDsluCounter, 5639 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5501 SdHoareTripleChecker+Valid, 12403 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-23 02:46:01,487 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5501 Valid, 12403 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-23 02:46:01,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18336 states. [2022-07-23 02:46:02,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18336 to 18323. [2022-07-23 02:46:02,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18323 states, 12558 states have (on average 1.25497690715082) internal successors, (15760), 12740 states have internal predecessors, (15760), 4993 states have call successors, (4993), 773 states have call predecessors, (4993), 770 states have return successors, (4990), 4931 states have call predecessors, (4990), 4990 states have call successors, (4990) [2022-07-23 02:46:02,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18323 states to 18323 states and 25743 transitions. [2022-07-23 02:46:02,522 INFO L78 Accepts]: Start accepts. Automaton has 18323 states and 25743 transitions. Word has length 248 [2022-07-23 02:46:02,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:46:02,523 INFO L495 AbstractCegarLoop]: Abstraction has 18323 states and 25743 transitions. [2022-07-23 02:46:02,523 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-07-23 02:46:02,523 INFO L276 IsEmpty]: Start isEmpty. Operand 18323 states and 25743 transitions. [2022-07-23 02:46:02,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2022-07-23 02:46:02,535 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:46:02,536 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 17, 17, 17, 17, 17, 17, 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] [2022-07-23 02:46:02,594 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-23 02:46:02,759 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:46:02,760 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:46:02,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:46:02,760 INFO L85 PathProgramCache]: Analyzing trace with hash 1553606092, now seen corresponding path program 1 times [2022-07-23 02:46:02,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:46:02,763 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [134926534] [2022-07-23 02:46:02,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:46:02,764 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:46:02,764 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:46:02,766 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 02:46:02,768 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-23 02:46:04,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:46:04,730 INFO L263 TraceCheckSpWp]: Trace formula consists of 1840 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-23 02:46:04,737 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:46:08,897 INFO L134 CoverageAnalysis]: Checked inductivity of 1482 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1482 trivial. 0 not checked. [2022-07-23 02:46:08,898 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 02:46:08,898 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:46:08,898 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [134926534] [2022-07-23 02:46:08,898 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [134926534] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:46:08,898 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:46:08,898 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-23 02:46:08,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376230864] [2022-07-23 02:46:08,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:46:08,899 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-23 02:46:08,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:46:08,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-23 02:46:08,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-23 02:46:08,899 INFO L87 Difference]: Start difference. First operand 18323 states and 25743 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2022-07-23 02:46:09,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:46:09,564 INFO L93 Difference]: Finished difference Result 18323 states and 25743 transitions. [2022-07-23 02:46:09,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-23 02:46:09,565 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 274 [2022-07-23 02:46:09,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:46:09,653 INFO L225 Difference]: With dead ends: 18323 [2022-07-23 02:46:09,654 INFO L226 Difference]: Without dead ends: 18268 [2022-07-23 02:46:09,667 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 274 GetRequests, 271 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-23 02:46:09,669 INFO L413 NwaCegarLoop]: 5680 mSDtfsCounter, 5568 mSDsluCounter, 5680 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5568 SdHoareTripleChecker+Valid, 11360 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-23 02:46:09,670 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5568 Valid, 11360 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-23 02:46:09,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18268 states. [2022-07-23 02:46:10,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18268 to 18268. [2022-07-23 02:46:10,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18268 states, 12533 states have (on average 1.2545280459586692) internal successors, (15723), 12703 states have internal predecessors, (15723), 4966 states have call successors, (4966), 768 states have call predecessors, (4966), 768 states have return successors, (4966), 4918 states have call predecessors, (4966), 4966 states have call successors, (4966) [2022-07-23 02:46:10,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18268 states to 18268 states and 25655 transitions. [2022-07-23 02:46:10,737 INFO L78 Accepts]: Start accepts. Automaton has 18268 states and 25655 transitions. Word has length 274 [2022-07-23 02:46:10,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:46:10,739 INFO L495 AbstractCegarLoop]: Abstraction has 18268 states and 25655 transitions. [2022-07-23 02:46:10,739 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2022-07-23 02:46:10,739 INFO L276 IsEmpty]: Start isEmpty. Operand 18268 states and 25655 transitions. [2022-07-23 02:46:10,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2022-07-23 02:46:10,766 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:46:10,766 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 17, 17, 17, 17, 17, 17, 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] [2022-07-23 02:46:10,825 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-23 02:46:10,994 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:46:10,994 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:46:10,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:46:10,995 INFO L85 PathProgramCache]: Analyzing trace with hash 1447059947, now seen corresponding path program 1 times [2022-07-23 02:46:10,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:46:10,997 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [967900530] [2022-07-23 02:46:10,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:46:10,998 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:46:10,998 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:46:11,000 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 02:46:11,009 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-23 02:46:13,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:46:13,114 INFO L263 TraceCheckSpWp]: Trace formula consists of 1945 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 02:46:13,121 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:46:13,870 INFO L134 CoverageAnalysis]: Checked inductivity of 1489 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 1344 trivial. 0 not checked. [2022-07-23 02:46:13,871 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 02:46:13,871 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:46:13,871 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [967900530] [2022-07-23 02:46:13,871 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [967900530] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:46:13,871 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:46:13,871 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 02:46:13,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809434207] [2022-07-23 02:46:13,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:46:13,872 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 02:46:13,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:46:13,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 02:46:13,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:46:13,873 INFO L87 Difference]: Start difference. First operand 18268 states and 25655 transitions. Second operand has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (30), 3 states have call predecessors, (30), 3 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-07-23 02:46:15,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:46:15,128 INFO L93 Difference]: Finished difference Result 40079 states and 56295 transitions. [2022-07-23 02:46:15,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 02:46:15,129 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (30), 3 states have call predecessors, (30), 3 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 300 [2022-07-23 02:46:15,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:46:15,276 INFO L225 Difference]: With dead ends: 40079 [2022-07-23 02:46:15,277 INFO L226 Difference]: Without dead ends: 25235 [2022-07-23 02:46:15,363 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 299 GetRequests, 298 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:46:15,365 INFO L413 NwaCegarLoop]: 10441 mSDtfsCounter, 4893 mSDsluCounter, 5583 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4893 SdHoareTripleChecker+Valid, 16024 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-23 02:46:15,365 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4893 Valid, 16024 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-23 02:46:15,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25235 states. [2022-07-23 02:46:16,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25235 to 25231. [2022-07-23 02:46:16,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25231 states, 17313 states have (on average 1.2540287645122163) internal successors, (21711), 17547 states have internal predecessors, (21711), 6846 states have call successors, (6846), 1071 states have call predecessors, (6846), 1071 states have return successors, (6846), 6778 states have call predecessors, (6846), 6846 states have call successors, (6846) [2022-07-23 02:46:16,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25231 states to 25231 states and 35403 transitions. [2022-07-23 02:46:16,908 INFO L78 Accepts]: Start accepts. Automaton has 25231 states and 35403 transitions. Word has length 300 [2022-07-23 02:46:16,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:46:16,909 INFO L495 AbstractCegarLoop]: Abstraction has 25231 states and 35403 transitions. [2022-07-23 02:46:16,909 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (30), 3 states have call predecessors, (30), 3 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-07-23 02:46:16,909 INFO L276 IsEmpty]: Start isEmpty. Operand 25231 states and 35403 transitions. [2022-07-23 02:46:16,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2022-07-23 02:46:16,944 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:46:16,944 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 17, 17, 17, 17, 17, 17, 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] [2022-07-23 02:46:16,995 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Ended with exit code 0 [2022-07-23 02:46:17,159 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:46:17,160 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:46:17,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:46:17,160 INFO L85 PathProgramCache]: Analyzing trace with hash -1991695558, now seen corresponding path program 1 times [2022-07-23 02:46:17,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:46:17,162 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2051232263] [2022-07-23 02:46:17,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:46:17,163 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:46:17,163 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:46:17,164 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 02:46:17,165 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-23 02:46:19,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:46:19,264 INFO L263 TraceCheckSpWp]: Trace formula consists of 1933 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 02:46:19,270 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:46:19,550 INFO L134 CoverageAnalysis]: Checked inductivity of 1586 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 1410 trivial. 0 not checked. [2022-07-23 02:46:19,550 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 02:46:19,550 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:46:19,551 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2051232263] [2022-07-23 02:46:19,551 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2051232263] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:46:19,551 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:46:19,551 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 02:46:19,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43294652] [2022-07-23 02:46:19,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:46:19,552 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 02:46:19,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:46:19,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 02:46:19,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:46:19,553 INFO L87 Difference]: Start difference. First operand 25231 states and 35403 transitions. Second operand has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 3 states have call successors, (34), 3 states have call predecessors, (34), 3 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-07-23 02:46:21,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:46:21,135 INFO L93 Difference]: Finished difference Result 68533 states and 96215 transitions. [2022-07-23 02:46:21,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 02:46:21,145 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 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 328 [2022-07-23 02:46:21,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:46:21,485 INFO L225 Difference]: With dead ends: 68533 [2022-07-23 02:46:21,486 INFO L226 Difference]: Without dead ends: 43285 [2022-07-23 02:46:21,570 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 327 GetRequests, 326 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:46:21,572 INFO L413 NwaCegarLoop]: 10636 mSDtfsCounter, 5517 mSDsluCounter, 5629 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5517 SdHoareTripleChecker+Valid, 16265 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-23 02:46:21,572 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5517 Valid, 16265 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-23 02:46:21,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43285 states. [2022-07-23 02:46:23,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43285 to 43283. [2022-07-23 02:46:23,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43283 states, 29689 states have (on average 1.2547744956044327) internal successors, (37253), 30087 states have internal predecessors, (37253), 11759 states have call successors, (11759), 1834 states have call predecessors, (11759), 1834 states have return successors, (11759), 11649 states have call predecessors, (11759), 11759 states have call successors, (11759) [2022-07-23 02:46:24,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43283 states to 43283 states and 60771 transitions. [2022-07-23 02:46:24,041 INFO L78 Accepts]: Start accepts. Automaton has 43283 states and 60771 transitions. Word has length 328 [2022-07-23 02:46:24,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:46:24,042 INFO L495 AbstractCegarLoop]: Abstraction has 43283 states and 60771 transitions. [2022-07-23 02:46:24,042 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 3 states have call successors, (34), 3 states have call predecessors, (34), 3 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-07-23 02:46:24,043 INFO L276 IsEmpty]: Start isEmpty. Operand 43283 states and 60771 transitions. [2022-07-23 02:46:24,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2022-07-23 02:46:24,097 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:46:24,097 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 17, 17, 17, 17, 17, 17, 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] [2022-07-23 02:46:24,151 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-23 02:46:24,316 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:46:24,317 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:46:24,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:46:24,317 INFO L85 PathProgramCache]: Analyzing trace with hash -849193092, now seen corresponding path program 1 times [2022-07-23 02:46:24,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:46:24,319 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1807412425] [2022-07-23 02:46:24,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:46:24,319 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:46:24,319 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:46:24,320 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 02:46:24,321 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-23 02:46:26,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:46:26,393 INFO L263 TraceCheckSpWp]: Trace formula consists of 1933 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 02:46:26,399 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:46:26,659 INFO L134 CoverageAnalysis]: Checked inductivity of 1586 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 1410 trivial. 0 not checked. [2022-07-23 02:46:26,660 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 02:46:26,660 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:46:26,660 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1807412425] [2022-07-23 02:46:26,660 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1807412425] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:46:26,660 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:46:26,660 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 02:46:26,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202651825] [2022-07-23 02:46:26,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:46:26,661 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 02:46:26,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:46:26,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 02:46:26,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:46:26,662 INFO L87 Difference]: Start difference. First operand 43283 states and 60771 transitions. Second operand has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 3 states have call successors, (34), 3 states have call predecessors, (34), 3 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-07-23 02:46:28,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:46:28,700 INFO L93 Difference]: Finished difference Result 104631 states and 146945 transitions. [2022-07-23 02:46:28,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 02:46:28,700 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 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 328 [2022-07-23 02:46:28,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:46:28,970 INFO L225 Difference]: With dead ends: 104631 [2022-07-23 02:46:28,971 INFO L226 Difference]: Without dead ends: 64772 [2022-07-23 02:46:29,089 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 327 GetRequests, 326 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:46:29,090 INFO L413 NwaCegarLoop]: 11172 mSDtfsCounter, 5522 mSDsluCounter, 5624 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5522 SdHoareTripleChecker+Valid, 16796 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-23 02:46:29,090 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5522 Valid, 16796 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-23 02:46:29,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64772 states. [2022-07-23 02:46:31,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64772 to 64770. [2022-07-23 02:46:31,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64770 states, 44437 states have (on average 1.2548326844746496) internal successors, (55761), 45029 states have internal predecessors, (55761), 17589 states have call successors, (17589), 2743 states have call predecessors, (17589), 2743 states have return successors, (17589), 17429 states have call predecessors, (17589), 17589 states have call successors, (17589) [2022-07-23 02:46:32,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64770 states to 64770 states and 90939 transitions. [2022-07-23 02:46:32,151 INFO L78 Accepts]: Start accepts. Automaton has 64770 states and 90939 transitions. Word has length 328 [2022-07-23 02:46:32,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:46:32,154 INFO L495 AbstractCegarLoop]: Abstraction has 64770 states and 90939 transitions. [2022-07-23 02:46:32,154 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 3 states have call successors, (34), 3 states have call predecessors, (34), 3 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-07-23 02:46:32,154 INFO L276 IsEmpty]: Start isEmpty. Operand 64770 states and 90939 transitions. [2022-07-23 02:46:32,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2022-07-23 02:46:32,218 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:46:32,218 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 17, 17, 17, 17, 17, 17, 7, 7, 7, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:46:32,285 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-23 02:46:32,439 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:46:32,440 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 02:46:32,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:46:32,441 INFO L85 PathProgramCache]: Analyzing trace with hash -39304126, now seen corresponding path program 1 times [2022-07-23 02:46:32,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:46:32,443 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [11870276] [2022-07-23 02:46:32,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:46:32,444 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:46:32,444 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:46:32,445 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 02:46:32,448 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-23 02:46:34,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:46:34,865 INFO L263 TraceCheckSpWp]: Trace formula consists of 1971 conjuncts, 23 conjunts are in the unsatisfiable core [2022-07-23 02:46:34,871 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:46:37,613 INFO L134 CoverageAnalysis]: Checked inductivity of 1771 backedges. 405 proven. 3 refuted. 0 times theorem prover too weak. 1363 trivial. 0 not checked. [2022-07-23 02:46:37,613 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 02:46:40,853 INFO L134 CoverageAnalysis]: Checked inductivity of 1771 backedges. 48 proven. 24 refuted. 0 times theorem prover too weak. 1699 trivial. 0 not checked. [2022-07-23 02:46:40,853 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:46:40,853 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [11870276] [2022-07-23 02:46:40,853 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [11870276] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 02:46:40,854 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-23 02:46:40,854 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 22 [2022-07-23 02:46:40,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042885989] [2022-07-23 02:46:40,854 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-23 02:46:40,855 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-07-23 02:46:40,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:46:40,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-07-23 02:46:40,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=403, Unknown=0, NotChecked=0, Total=462 [2022-07-23 02:46:40,856 INFO L87 Difference]: Start difference. First operand 64770 states and 90939 transitions. Second operand has 22 states, 21 states have (on average 7.0) internal successors, (147), 20 states have internal predecessors, (147), 6 states have call successors, (48), 3 states have call predecessors, (48), 8 states have return successors, (48), 7 states have call predecessors, (48), 6 states have call successors, (48)