./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-atheros-alx-alx.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f4b24e32 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-atheros-alx-alx.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 e3ed5a6aa0282e2dbd5967163bb1c33dc8964226641967602a6cd0884f5c00f9 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 04:17:55,825 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 04:17:55,858 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 04:17:55,889 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 04:17:55,892 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 04:17:55,893 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 04:17:55,897 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 04:17:55,899 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 04:17:55,900 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 04:17:55,905 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 04:17:55,905 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 04:17:55,907 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 04:17:55,907 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 04:17:55,909 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 04:17:55,911 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 04:17:55,912 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 04:17:55,913 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 04:17:55,914 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 04:17:55,917 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 04:17:55,921 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 04:17:55,923 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 04:17:55,924 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 04:17:55,924 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 04:17:55,925 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 04:17:55,926 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 04:17:55,928 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 04:17:55,929 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 04:17:55,929 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 04:17:55,930 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 04:17:55,930 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 04:17:55,931 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 04:17:55,931 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 04:17:55,932 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 04:17:55,933 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 04:17:55,933 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 04:17:55,934 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 04:17:55,934 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 04:17:55,934 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 04:17:55,934 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 04:17:55,935 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 04:17:55,935 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 04:17:55,936 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 04:17:55,938 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-14 04:17:55,960 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 04:17:55,961 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 04:17:55,961 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 04:17:55,961 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 04:17:55,962 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 04:17:55,962 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 04:17:55,963 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 04:17:55,963 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 04:17:55,963 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 04:17:55,963 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 04:17:55,964 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 04:17:55,964 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 04:17:55,964 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 04:17:55,964 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 04:17:55,964 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 04:17:55,964 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 04:17:55,964 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 04:17:55,965 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 04:17:55,965 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 04:17:55,965 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 04:17:55,965 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 04:17:55,966 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 04:17:55,966 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 04:17:55,966 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 04:17:55,966 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 04:17:55,967 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 04:17:55,967 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-14 04:17:55,967 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 04:17:55,967 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 04:17:55,967 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 04:17:55,968 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e3ed5a6aa0282e2dbd5967163bb1c33dc8964226641967602a6cd0884f5c00f9 [2022-07-14 04:17:56,184 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 04:17:56,202 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 04:17:56,204 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 04:17:56,205 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 04:17:56,206 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 04:17:56,207 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-atheros-alx-alx.cil.i [2022-07-14 04:17:56,254 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/047b67c71/1b8bc3d872ac4ceb8ddb5f42ef920b6c/FLAG3e36c25ea [2022-07-14 04:17:56,981 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 04:17:56,981 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-atheros-alx-alx.cil.i [2022-07-14 04:17:57,031 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/047b67c71/1b8bc3d872ac4ceb8ddb5f42ef920b6c/FLAG3e36c25ea [2022-07-14 04:17:57,284 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/047b67c71/1b8bc3d872ac4ceb8ddb5f42ef920b6c [2022-07-14 04:17:57,286 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 04:17:57,287 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 04:17:57,288 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 04:17:57,288 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 04:17:57,290 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 04:17:57,291 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 04:17:57" (1/1) ... [2022-07-14 04:17:57,291 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b8d506e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:17:57, skipping insertion in model container [2022-07-14 04:17:57,291 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 04:17:57" (1/1) ... [2022-07-14 04:17:57,296 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 04:17:57,447 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 04:18:00,050 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-atheros-alx-alx.cil.i[416147,416160] [2022-07-14 04:18:00,053 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-atheros-alx-alx.cil.i[416294,416307] [2022-07-14 04:18:00,054 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-atheros-alx-alx.cil.i[416433,416446] [2022-07-14 04:18:00,055 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-atheros-alx-alx.cil.i[416591,416604] [2022-07-14 04:18:00,089 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 04:18:00,180 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 04:18:00,499 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: phy_val = (unsigned int )phy_val & 65027U [15260] 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:1650) 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: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: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) [2022-07-14 04:18:00,508 INFO L158 Benchmark]: Toolchain (without parser) took 3219.45ms. Allocated memory was 102.8MB in the beginning and 220.2MB in the end (delta: 117.4MB). Free memory was 61.4MB in the beginning and 107.7MB in the end (delta: -46.3MB). Peak memory consumption was 92.6MB. Max. memory is 16.1GB. [2022-07-14 04:18:00,509 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 102.8MB. Free memory is still 61.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 04:18:00,510 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3218.01ms. Allocated memory was 102.8MB in the beginning and 220.2MB in the end (delta: 117.4MB). Free memory was 61.1MB in the beginning and 108.7MB in the end (delta: -47.7MB). Peak memory consumption was 92.6MB. Max. memory is 16.1GB. [2022-07-14 04:18:00,511 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 102.8MB. Free memory is still 61.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3218.01ms. Allocated memory was 102.8MB in the beginning and 220.2MB in the end (delta: 117.4MB). Free memory was 61.1MB in the beginning and 108.7MB in the end (delta: -47.7MB). Peak memory consumption was 92.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: TypeCheckException: Type check failed for C: phy_val = (unsigned int )phy_val & 65027U [15260] de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: TypeCheckException: Type check failed for C: phy_val = (unsigned int )phy_val & 65027U [15260]: de.uni_freiburg.informatik.ultimate.boogie.TypeErrorReporter.report(TypeErrorReporter.java:52) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-atheros-alx-alx.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 e3ed5a6aa0282e2dbd5967163bb1c33dc8964226641967602a6cd0884f5c00f9 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 04:18:02,018 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 04:18:02,020 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 04:18:02,061 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 04:18:02,061 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 04:18:02,062 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 04:18:02,065 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 04:18:02,068 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 04:18:02,069 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 04:18:02,072 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 04:18:02,073 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 04:18:02,076 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 04:18:02,077 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 04:18:02,078 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 04:18:02,079 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 04:18:02,081 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 04:18:02,081 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 04:18:02,082 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 04:18:02,083 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 04:18:02,087 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 04:18:02,088 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 04:18:02,089 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 04:18:02,090 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 04:18:02,091 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 04:18:02,092 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 04:18:02,097 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 04:18:02,097 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 04:18:02,097 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 04:18:02,097 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 04:18:02,098 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 04:18:02,098 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 04:18:02,098 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 04:18:02,100 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 04:18:02,101 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 04:18:02,102 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 04:18:02,103 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 04:18:02,103 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 04:18:02,103 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 04:18:02,104 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 04:18:02,104 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 04:18:02,104 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 04:18:02,105 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 04:18:02,109 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-14 04:18:02,137 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 04:18:02,137 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 04:18:02,138 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 04:18:02,138 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 04:18:02,138 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 04:18:02,139 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 04:18:02,139 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 04:18:02,139 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 04:18:02,139 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 04:18:02,140 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 04:18:02,140 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 04:18:02,140 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 04:18:02,141 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 04:18:02,141 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 04:18:02,141 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-14 04:18:02,141 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-14 04:18:02,141 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-14 04:18:02,141 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 04:18:02,141 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 04:18:02,142 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 04:18:02,142 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 04:18:02,142 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 04:18:02,142 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 04:18:02,142 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 04:18:02,142 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 04:18:02,143 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 04:18:02,143 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 04:18:02,143 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-14 04:18:02,143 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-14 04:18:02,143 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 04:18:02,143 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 04:18:02,144 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 04:18:02,144 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-14 04:18:02,144 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e3ed5a6aa0282e2dbd5967163bb1c33dc8964226641967602a6cd0884f5c00f9 [2022-07-14 04:18:02,402 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 04:18:02,416 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 04:18:02,417 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 04:18:02,418 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 04:18:02,418 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 04:18:02,419 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-atheros-alx-alx.cil.i [2022-07-14 04:18:02,458 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e45750031/d6adddbf73ac443090cd458e0b7d34a0/FLAG4a62070b5 [2022-07-14 04:18:03,165 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 04:18:03,165 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-atheros-alx-alx.cil.i [2022-07-14 04:18:03,218 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e45750031/d6adddbf73ac443090cd458e0b7d34a0/FLAG4a62070b5 [2022-07-14 04:18:03,701 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e45750031/d6adddbf73ac443090cd458e0b7d34a0 [2022-07-14 04:18:03,703 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 04:18:03,704 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 04:18:03,707 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 04:18:03,707 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 04:18:03,710 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 04:18:03,710 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 04:18:03" (1/1) ... [2022-07-14 04:18:03,711 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3156da31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:18:03, skipping insertion in model container [2022-07-14 04:18:03,711 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 04:18:03" (1/1) ... [2022-07-14 04:18:03,717 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 04:18:03,841 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 04:18:06,972 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-atheros-alx-alx.cil.i[416147,416160] [2022-07-14 04:18:06,974 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-atheros-alx-alx.cil.i[416294,416307] [2022-07-14 04:18:06,975 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-atheros-alx-alx.cil.i[416433,416446] [2022-07-14 04:18:06,975 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-atheros-alx-alx.cil.i[416591,416604] [2022-07-14 04:18:07,001 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 04:18:07,094 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-14 04:18:07,139 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 04:18:07,399 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-atheros-alx-alx.cil.i[416147,416160] [2022-07-14 04:18:07,400 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-atheros-alx-alx.cil.i[416294,416307] [2022-07-14 04:18:07,400 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-atheros-alx-alx.cil.i[416433,416446] [2022-07-14 04:18:07,400 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-atheros-alx-alx.cil.i[416591,416604] [2022-07-14 04:18:07,404 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 04:18:07,442 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 04:18:07,705 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-atheros-alx-alx.cil.i[416147,416160] [2022-07-14 04:18:07,706 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-atheros-alx-alx.cil.i[416294,416307] [2022-07-14 04:18:07,707 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-atheros-alx-alx.cil.i[416433,416446] [2022-07-14 04:18:07,710 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-atheros-alx-alx.cil.i[416591,416604] [2022-07-14 04:18:07,715 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 04:18:08,010 INFO L208 MainTranslator]: Completed translation [2022-07-14 04:18:08,011 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:18:08 WrapperNode [2022-07-14 04:18:08,011 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 04:18:08,012 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 04:18:08,013 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 04:18:08,013 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 04:18:08,018 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:18:08" (1/1) ... [2022-07-14 04:18:08,141 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:18:08" (1/1) ... [2022-07-14 04:18:08,463 INFO L137 Inliner]: procedures = 557, calls = 4106, calls flagged for inlining = 313, calls inlined = 291, statements flattened = 8240 [2022-07-14 04:18:08,464 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 04:18:08,464 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 04:18:08,465 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 04:18:08,465 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 04:18:08,472 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:18:08" (1/1) ... [2022-07-14 04:18:08,472 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:18:08" (1/1) ... [2022-07-14 04:18:08,520 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:18:08" (1/1) ... [2022-07-14 04:18:08,520 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:18:08" (1/1) ... [2022-07-14 04:18:08,650 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:18:08" (1/1) ... [2022-07-14 04:18:08,676 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:18:08" (1/1) ... [2022-07-14 04:18:08,716 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:18:08" (1/1) ... [2022-07-14 04:18:08,760 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 04:18:08,761 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 04:18:08,761 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 04:18:08,761 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 04:18:08,762 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:18:08" (1/1) ... [2022-07-14 04:18:08,767 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 04:18:08,774 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 04:18:08,784 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) [2022-07-14 04:18:08,792 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 [2022-07-14 04:18:08,814 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2022-07-14 04:18:08,814 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2022-07-14 04:18:08,814 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-14 04:18:08,814 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-14 04:18:08,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2022-07-14 04:18:08,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2022-07-14 04:18:08,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-14 04:18:08,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-14 04:18:08,815 INFO L130 BoogieDeclarations]: Found specification of procedure alx_halt [2022-07-14 04:18:08,815 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_halt [2022-07-14 04:18:08,815 INFO L130 BoogieDeclarations]: Found specification of procedure alx_free_txbuf [2022-07-14 04:18:08,815 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_free_txbuf [2022-07-14 04:18:08,815 INFO L130 BoogieDeclarations]: Found specification of procedure dump_stack [2022-07-14 04:18:08,816 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_stack [2022-07-14 04:18:08,816 INFO L130 BoogieDeclarations]: Found specification of procedure alx_suspend [2022-07-14 04:18:08,816 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_suspend [2022-07-14 04:18:08,816 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_read_phy_reg [2022-07-14 04:18:08,816 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_read_phy_reg [2022-07-14 04:18:08,816 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-07-14 04:18:08,817 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-07-14 04:18:08,818 INFO L130 BoogieDeclarations]: Found specification of procedure alx_wait_reg [2022-07-14 04:18:08,818 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_wait_reg [2022-07-14 04:18:08,818 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-14 04:18:08,818 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-14 04:18:08,818 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-14 04:18:08,818 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-14 04:18:08,819 INFO L130 BoogieDeclarations]: Found specification of procedure alx_pci_error_resume [2022-07-14 04:18:08,819 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_pci_error_resume [2022-07-14 04:18:08,819 INFO L130 BoogieDeclarations]: Found specification of procedure alx_tx_timeout [2022-07-14 04:18:08,819 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_tx_timeout [2022-07-14 04:18:08,819 INFO L130 BoogieDeclarations]: Found specification of procedure alx_irq_enable [2022-07-14 04:18:08,819 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_irq_enable [2022-07-14 04:18:08,819 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-14 04:18:08,820 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-14 04:18:08,820 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_mem16 [2022-07-14 04:18:08,820 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_mem16 [2022-07-14 04:18:08,820 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-07-14 04:18:08,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-07-14 04:18:08,820 INFO L130 BoogieDeclarations]: Found specification of procedure alx_irq_disable [2022-07-14 04:18:08,821 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_irq_disable [2022-07-14 04:18:08,821 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-14 04:18:08,821 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-14 04:18:08,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-14 04:18:08,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-14 04:18:08,822 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-14 04:18:08,822 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-14 04:18:08,822 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-14 04:18:08,822 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-14 04:18:08,823 INFO L130 BoogieDeclarations]: Found specification of procedure alx_activate [2022-07-14 04:18:08,823 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_activate [2022-07-14 04:18:08,823 INFO L130 BoogieDeclarations]: Found specification of procedure alx_remove [2022-07-14 04:18:08,823 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_remove [2022-07-14 04:18:08,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-14 04:18:08,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-14 04:18:08,823 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-14 04:18:08,824 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-14 04:18:08,824 INFO L130 BoogieDeclarations]: Found specification of procedure alx_intr_msi [2022-07-14 04:18:08,824 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_intr_msi [2022-07-14 04:18:08,824 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-07-14 04:18:08,825 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-07-14 04:18:08,825 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-14 04:18:08,825 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-07-14 04:18:08,825 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-07-14 04:18:08,825 INFO L130 BoogieDeclarations]: Found specification of procedure alx_post_write [2022-07-14 04:18:08,825 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_post_write [2022-07-14 04:18:08,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-14 04:18:08,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-14 04:18:08,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-14 04:18:08,826 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-07-14 04:18:08,826 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-07-14 04:18:08,826 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-07-14 04:18:08,826 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-07-14 04:18:08,826 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_reg [2022-07-14 04:18:08,826 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_reg [2022-07-14 04:18:08,827 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_unaligned_access_size [2022-07-14 04:18:08,827 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_ext [2022-07-14 04:18:08,827 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_ext [2022-07-14 04:18:08,827 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-14 04:18:08,827 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-14 04:18:08,827 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-14 04:18:08,828 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-14 04:18:08,828 INFO L130 BoogieDeclarations]: Found specification of procedure ethadv_to_hw_cfg [2022-07-14 04:18:08,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ethadv_to_hw_cfg [2022-07-14 04:18:08,828 INFO L130 BoogieDeclarations]: Found specification of procedure alx_stop [2022-07-14 04:18:08,828 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_stop [2022-07-14 04:18:08,829 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-14 04:18:08,829 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-14 04:18:08,829 INFO L130 BoogieDeclarations]: Found specification of procedure alx_resume [2022-07-14 04:18:08,829 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_resume [2022-07-14 04:18:08,829 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-14 04:18:08,829 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-14 04:18:08,829 INFO L130 BoogieDeclarations]: Found specification of procedure alx_schedule_link_check [2022-07-14 04:18:08,829 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_schedule_link_check [2022-07-14 04:18:08,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-14 04:18:08,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-14 04:18:08,830 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-14 04:18:08,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-14 04:18:08,830 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-14 04:18:08,830 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-14 04:18:08,830 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-14 04:18:08,831 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-14 04:18:08,832 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-14 04:18:08,832 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-14 04:18:08,834 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_open [2022-07-14 04:18:08,834 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_open [2022-07-14 04:18:08,834 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_core [2022-07-14 04:18:08,835 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_core [2022-07-14 04:18:08,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-14 04:18:08,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-14 04:18:08,835 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-14 04:18:08,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-14 04:18:08,836 INFO L130 BoogieDeclarations]: Found specification of procedure alx_update_hw_stats [2022-07-14 04:18:08,840 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_update_hw_stats [2022-07-14 04:18:08,840 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_mem32 [2022-07-14 04:18:08,840 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_mem32 [2022-07-14 04:18:08,841 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-14 04:18:08,841 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-14 04:18:08,841 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-14 04:18:08,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-14 04:18:08,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-14 04:18:08,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-07-14 04:18:08,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-07-14 04:18:08,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2022-07-14 04:18:08,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2022-07-14 04:18:08,842 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_dbg [2022-07-14 04:18:08,842 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_dbg [2022-07-14 04:18:08,842 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-07-14 04:18:08,842 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-07-14 04:18:08,842 INFO L130 BoogieDeclarations]: Found specification of procedure alx_netif_stop [2022-07-14 04:18:08,842 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_netif_stop [2022-07-14 04:18:08,843 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-14 04:18:08,843 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-07-14 04:18:08,843 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-07-14 04:18:08,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-14 04:18:08,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-14 04:18:08,843 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-14 04:18:08,843 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-14 04:18:08,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-14 04:18:08,843 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-14 04:18:08,844 INFO L130 BoogieDeclarations]: Found specification of procedure alx_hw_giga [2022-07-14 04:18:08,844 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_hw_giga [2022-07-14 04:18:08,844 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-14 04:18:08,844 INFO L130 BoogieDeclarations]: Found specification of procedure alx_poll_controller [2022-07-14 04:18:08,844 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_poll_controller [2022-07-14 04:18:08,844 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-14 04:18:08,844 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset_pcie [2022-07-14 04:18:08,845 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset_pcie [2022-07-14 04:18:08,845 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-14 04:18:08,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-14 04:18:08,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-14 04:18:08,845 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_INT~X~$Pointer$~TO~C_INT [2022-07-14 04:18:08,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_INT~X~$Pointer$~TO~C_INT [2022-07-14 04:18:08,846 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_is_locked [2022-07-14 04:18:08,846 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_is_locked [2022-07-14 04:18:08,846 INFO L130 BoogieDeclarations]: Found specification of procedure alx_schedule_reset [2022-07-14 04:18:08,846 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_schedule_reset [2022-07-14 04:18:08,846 INFO L130 BoogieDeclarations]: Found specification of procedure alx_intr_legacy [2022-07-14 04:18:08,846 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_intr_legacy [2022-07-14 04:18:08,846 INFO L130 BoogieDeclarations]: Found specification of procedure alx_refill_rx_ring [2022-07-14 04:18:08,846 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_refill_rx_ring [2022-07-14 04:18:08,846 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_dbg [2022-07-14 04:18:08,846 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_dbg [2022-07-14 04:18:08,846 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-07-14 04:18:08,847 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-07-14 04:18:08,847 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-07-14 04:18:08,847 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-07-14 04:18:08,847 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-14 04:18:08,847 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-14 04:18:08,847 INFO L130 BoogieDeclarations]: Found specification of procedure alx_set_macaddr [2022-07-14 04:18:08,847 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_set_macaddr [2022-07-14 04:18:08,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-14 04:18:08,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-14 04:18:08,847 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_selected_regions [2022-07-14 04:18:08,848 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_selected_regions [2022-07-14 04:18:08,848 INFO L130 BoogieDeclarations]: Found specification of procedure alx_speed_to_ethadv [2022-07-14 04:18:08,848 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_speed_to_ethadv [2022-07-14 04:18:08,849 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-14 04:18:08,849 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-14 04:18:08,849 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-14 04:18:08,849 INFO L130 BoogieDeclarations]: Found specification of procedure alx_free_rings [2022-07-14 04:18:08,849 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_free_rings [2022-07-14 04:18:08,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 04:18:08,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 04:18:08,850 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-07-14 04:18:08,850 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-07-14 04:18:08,850 INFO L130 BoogieDeclarations]: Found specification of procedure pci_select_bars [2022-07-14 04:18:08,850 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_select_bars [2022-07-14 04:18:08,850 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-14 04:18:08,850 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-14 04:18:08,850 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-14 04:18:08,850 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-14 04:18:08,850 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-14 04:18:08,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-14 04:18:08,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-14 04:18:08,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-14 04:18:08,851 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le32 [2022-07-14 04:18:08,851 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le32 [2022-07-14 04:18:08,851 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-07-14 04:18:08,851 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-07-14 04:18:08,851 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-14 04:18:08,851 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-14 04:18:08,851 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-07-14 04:18:08,851 INFO L130 BoogieDeclarations]: Found specification of procedure alx_open [2022-07-14 04:18:08,852 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_open [2022-07-14 04:18:08,852 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2022-07-14 04:18:08,852 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2022-07-14 04:18:08,852 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-07-14 04:18:08,852 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-07-14 04:18:08,852 INFO L130 BoogieDeclarations]: Found specification of procedure alx_hw_with_cr [2022-07-14 04:18:08,852 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_hw_with_cr [2022-07-14 04:18:08,852 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-14 04:18:08,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-14 04:18:08,852 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2022-07-14 04:18:08,853 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2022-07-14 04:18:08,853 INFO L130 BoogieDeclarations]: Found specification of procedure alx_get_supported_speeds [2022-07-14 04:18:08,853 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_get_supported_speeds [2022-07-14 04:18:08,853 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-14 04:18:08,853 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-14 04:18:08,853 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_macaddr [2022-07-14 04:18:08,853 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_macaddr [2022-07-14 04:18:08,853 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_mem32 [2022-07-14 04:18:08,853 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_mem32 [2022-07-14 04:18:08,854 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-07-14 04:18:08,854 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-07-14 04:18:08,854 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-14 04:18:08,854 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-14 04:18:08,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-07-14 04:18:08,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-07-14 04:18:08,854 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2022-07-14 04:18:08,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2022-07-14 04:18:08,857 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-07-14 04:18:08,857 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-07-14 04:18:08,858 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-14 04:18:08,858 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-14 04:18:08,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-14 04:18:08,858 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-14 04:18:08,858 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-14 04:18:08,858 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reinit_rings [2022-07-14 04:18:08,858 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reinit_rings [2022-07-14 04:18:08,859 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_reg [2022-07-14 04:18:08,859 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_reg [2022-07-14 04:18:08,859 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-07-14 04:18:08,859 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-07-14 04:18:08,860 INFO L130 BoogieDeclarations]: Found specification of procedure alx_free_buffers [2022-07-14 04:18:08,860 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_free_buffers [2022-07-14 04:18:08,860 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-14 04:18:08,860 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-14 04:18:08,860 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value_probe [2022-07-14 04:18:08,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value_probe [2022-07-14 04:18:08,860 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-14 04:18:08,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-14 04:18:08,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-14 04:18:08,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-14 04:18:08,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-14 04:18:08,861 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-14 04:18:08,861 INFO L130 BoogieDeclarations]: Found specification of procedure alx_wait_mdio_idle [2022-07-14 04:18:08,861 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_wait_mdio_idle [2022-07-14 04:18:08,861 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-07-14 04:18:08,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-07-14 04:18:08,861 INFO L130 BoogieDeclarations]: Found specification of procedure alx_intr_handle [2022-07-14 04:18:08,861 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_intr_handle [2022-07-14 04:18:08,861 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-07-14 04:18:08,861 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-07-14 04:18:08,862 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-07-14 04:18:08,862 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-07-14 04:18:08,862 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-07-14 04:18:08,862 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-07-14 04:18:08,862 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-14 04:18:08,862 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-14 04:18:08,862 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2022-07-14 04:18:08,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2022-07-14 04:18:08,862 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-14 04:18:08,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-14 04:18:08,862 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-07-14 04:18:08,863 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-07-14 04:18:08,863 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_alx_driver_exit_15_2 [2022-07-14 04:18:08,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_alx_driver_exit_15_2 [2022-07-14 04:18:08,863 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-14 04:18:08,863 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-14 04:18:08,863 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-14 04:18:08,863 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-14 04:18:08,863 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-14 04:18:08,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-14 04:18:08,863 INFO L130 BoogieDeclarations]: Found specification of procedure alx_is_rev_a [2022-07-14 04:18:08,864 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_is_rev_a [2022-07-14 04:18:08,864 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-14 04:18:08,864 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-14 04:18:08,864 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_core [2022-07-14 04:18:08,864 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_core [2022-07-14 04:18:08,864 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-14 04:18:08,864 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-14 04:18:08,864 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_ext [2022-07-14 04:18:08,864 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_ext [2022-07-14 04:18:08,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-14 04:18:08,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-14 04:18:08,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-14 04:18:08,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-14 04:18:08,865 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-14 04:18:08,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-14 04:18:08,865 INFO L130 BoogieDeclarations]: Found specification of procedure alx_post_phy_link [2022-07-14 04:18:08,865 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_post_phy_link [2022-07-14 04:18:08,865 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reinit [2022-07-14 04:18:08,865 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reinit [2022-07-14 04:18:08,865 INFO L130 BoogieDeclarations]: Found specification of procedure alx_tpd_avail [2022-07-14 04:18:08,865 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_tpd_avail [2022-07-14 04:18:08,866 INFO L130 BoogieDeclarations]: Found specification of procedure alx_setup_speed_duplex [2022-07-14 04:18:08,866 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_setup_speed_duplex [2022-07-14 04:18:08,866 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-14 04:18:08,866 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-14 04:18:08,866 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_stop [2022-07-14 04:18:08,866 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_stop [2022-07-14 04:18:08,866 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-07-14 04:18:08,866 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-07-14 04:18:08,866 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2022-07-14 04:18:08,866 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2022-07-14 04:18:08,867 INFO L130 BoogieDeclarations]: Found specification of procedure alx_enable_aspm [2022-07-14 04:18:08,867 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_enable_aspm [2022-07-14 04:18:08,867 INFO L130 BoogieDeclarations]: Found specification of procedure alx_set_rx_mode [2022-07-14 04:18:08,867 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_set_rx_mode [2022-07-14 04:18:08,867 INFO L130 BoogieDeclarations]: Found specification of procedure alx_hw_revision [2022-07-14 04:18:08,867 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_hw_revision [2022-07-14 04:18:08,867 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_set_rx_mode [2022-07-14 04:18:08,867 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_set_rx_mode [2022-07-14 04:18:08,867 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_write_phy_reg [2022-07-14 04:18:08,867 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_write_phy_reg [2022-07-14 04:18:08,868 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-07-14 04:18:08,868 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-07-14 04:18:08,868 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2022-07-14 04:18:08,868 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2022-07-14 04:18:08,868 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-14 04:18:08,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-14 04:18:08,868 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-07-14 04:18:08,868 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-07-14 04:18:08,868 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2022-07-14 04:18:08,868 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2022-07-14 04:18:08,869 INFO L130 BoogieDeclarations]: Found specification of procedure alx_configure [2022-07-14 04:18:08,869 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_configure [2022-07-14 04:18:08,869 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset_phy [2022-07-14 04:18:08,869 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset_phy [2022-07-14 04:18:08,869 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2022-07-14 04:18:08,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2022-07-14 04:18:08,869 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-14 04:18:08,869 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-14 04:18:08,869 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-07-14 04:18:08,869 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-07-14 04:18:08,869 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-07-14 04:18:08,870 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-07-14 04:18:08,870 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-14 04:18:08,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-14 04:18:08,870 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le64 [2022-07-14 04:18:08,870 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le64 [2022-07-14 04:18:08,870 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset_mac [2022-07-14 04:18:08,870 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset_mac [2022-07-14 04:18:09,704 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 04:18:09,706 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 04:18:09,894 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-14 04:18:49,819 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-14 04:18:51,122 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 04:18:51,141 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 04:18:51,142 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2022-07-14 04:18:51,147 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 04:18:51 BoogieIcfgContainer [2022-07-14 04:18:51,147 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 04:18:51,149 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-14 04:18:51,149 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-14 04:18:51,151 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-14 04:18:51,152 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 04:18:03" (1/3) ... [2022-07-14 04:18:51,152 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65007541 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 04:18:51, skipping insertion in model container [2022-07-14 04:18:51,152 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:18:08" (2/3) ... [2022-07-14 04:18:51,153 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65007541 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 04:18:51, skipping insertion in model container [2022-07-14 04:18:51,153 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 04:18:51" (3/3) ... [2022-07-14 04:18:51,154 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-atheros-alx-alx.cil.i [2022-07-14 04:18:51,167 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-14 04:18:51,167 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-07-14 04:18:51,253 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-14 04:18:51,258 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@34cd1d49, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@70df7970 [2022-07-14 04:18:51,259 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-07-14 04:18:51,278 INFO L276 IsEmpty]: Start isEmpty. Operand has 3037 states, 2051 states have (on average 1.273037542662116) internal successors, (2611), 2096 states have internal predecessors, (2611), 828 states have call successors, (828), 160 states have call predecessors, (828), 159 states have return successors, (819), 804 states have call predecessors, (819), 819 states have call successors, (819) [2022-07-14 04:18:51,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2022-07-14 04:18:51,301 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:18:51,302 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 04:18:51,303 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] === [2022-07-14 04:18:51,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:18:51,307 INFO L85 PathProgramCache]: Analyzing trace with hash -1301196360, now seen corresponding path program 1 times [2022-07-14 04:18:51,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:18:51,322 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [49545671] [2022-07-14 04:18:51,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:18:51,323 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:18:51,323 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:18:51,325 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) [2022-07-14 04:18:51,367 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-14 04:18:53,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:18:53,526 INFO L263 TraceCheckSpWp]: Trace formula consists of 2844 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 04:18:53,536 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:18:53,819 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 1080 trivial. 0 not checked. [2022-07-14 04:18:53,820 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:18:53,821 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:18:53,821 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [49545671] [2022-07-14 04:18:53,821 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [49545671] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:18:53,821 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:18:53,822 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 04:18:53,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227816736] [2022-07-14 04:18:53,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:18:53,827 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 04:18:53,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:18:53,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 04:18:53,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 04:18:53,856 INFO L87 Difference]: Start difference. First operand has 3037 states, 2051 states have (on average 1.273037542662116) internal successors, (2611), 2096 states have internal predecessors, (2611), 828 states have call successors, (828), 160 states have call predecessors, (828), 159 states have return successors, (819), 804 states have call predecessors, (819), 819 states have call successors, (819) Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-07-14 04:18:54,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:18:54,727 INFO L93 Difference]: Finished difference Result 8849 states and 12555 transitions. [2022-07-14 04:18:54,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 04:18:54,730 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 203 [2022-07-14 04:18:54,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:18:54,778 INFO L225 Difference]: With dead ends: 8849 [2022-07-14 04:18:54,778 INFO L226 Difference]: Without dead ends: 5835 [2022-07-14 04:18:54,799 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 201 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 04:18:54,804 INFO L413 NwaCegarLoop]: 4938 mSDtfsCounter, 4025 mSDsluCounter, 4100 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4025 SdHoareTripleChecker+Valid, 9038 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-14 04:18:54,804 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4025 Valid, 9038 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-14 04:18:54,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5835 states. [2022-07-14 04:18:55,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5835 to 5833. [2022-07-14 04:18:55,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5833 states, 3938 states have (on average 1.2600304723209752) internal successors, (4962), 4017 states have internal predecessors, (4962), 1580 states have call successors, (1580), 314 states have call predecessors, (1580), 313 states have return successors, (1577), 1555 states have call predecessors, (1577), 1577 states have call successors, (1577) [2022-07-14 04:18:55,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5833 states to 5833 states and 8119 transitions. [2022-07-14 04:18:55,145 INFO L78 Accepts]: Start accepts. Automaton has 5833 states and 8119 transitions. Word has length 203 [2022-07-14 04:18:55,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:18:55,147 INFO L495 AbstractCegarLoop]: Abstraction has 5833 states and 8119 transitions. [2022-07-14 04:18:55,148 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-07-14 04:18:55,148 INFO L276 IsEmpty]: Start isEmpty. Operand 5833 states and 8119 transitions. [2022-07-14 04:18:55,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2022-07-14 04:18:55,159 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:18:55,160 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 04:18:55,228 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-14 04:18:55,376 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 04:18:55,376 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] === [2022-07-14 04:18:55,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:18:55,377 INFO L85 PathProgramCache]: Analyzing trace with hash -1624803173, now seen corresponding path program 1 times [2022-07-14 04:18:55,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:18:55,380 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1076448795] [2022-07-14 04:18:55,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:18:55,380 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:18:55,380 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:18:55,382 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) [2022-07-14 04:18:55,384 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-14 04:18:57,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:18:57,743 INFO L263 TraceCheckSpWp]: Trace formula consists of 2984 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 04:18:57,750 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:18:58,177 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 1080 trivial. 0 not checked. [2022-07-14 04:18:58,178 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:18:58,178 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:18:58,178 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1076448795] [2022-07-14 04:18:58,178 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1076448795] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:18:58,178 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:18:58,178 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 04:18:58,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999937743] [2022-07-14 04:18:58,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:18:58,179 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 04:18:58,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:18:58,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 04:18:58,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 04:18:58,180 INFO L87 Difference]: Start difference. First operand 5833 states and 8119 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, (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) [2022-07-14 04:18:59,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:18:59,284 INFO L93 Difference]: Finished difference Result 13679 states and 18993 transitions. [2022-07-14 04:18:59,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 04:18:59,284 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, (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 224 [2022-07-14 04:18:59,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:18:59,337 INFO L225 Difference]: With dead ends: 13679 [2022-07-14 04:18:59,337 INFO L226 Difference]: Without dead ends: 7883 [2022-07-14 04:18:59,364 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 222 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 04:18:59,365 INFO L413 NwaCegarLoop]: 4803 mSDtfsCounter, 3400 mSDsluCounter, 4058 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3400 SdHoareTripleChecker+Valid, 8861 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-14 04:18:59,365 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3400 Valid, 8861 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-14 04:18:59,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7883 states. [2022-07-14 04:18:59,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7883 to 7874. [2022-07-14 04:18:59,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7874 states, 5330 states have (on average 1.2545966228893057) internal successors, (6687), 5435 states have internal predecessors, (6687), 2102 states have call successors, (2102), 442 states have call predecessors, (2102), 440 states have return successors, (2099), 2065 states have call predecessors, (2099), 2099 states have call successors, (2099) [2022-07-14 04:18:59,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7874 states to 7874 states and 10888 transitions. [2022-07-14 04:18:59,768 INFO L78 Accepts]: Start accepts. Automaton has 7874 states and 10888 transitions. Word has length 224 [2022-07-14 04:18:59,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:18:59,770 INFO L495 AbstractCegarLoop]: Abstraction has 7874 states and 10888 transitions. [2022-07-14 04:18:59,771 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, (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) [2022-07-14 04:18:59,771 INFO L276 IsEmpty]: Start isEmpty. Operand 7874 states and 10888 transitions. [2022-07-14 04:18:59,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2022-07-14 04:18:59,777 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:18:59,777 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 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] [2022-07-14 04:18:59,839 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-14 04:18:59,988 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 04:18:59,988 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] === [2022-07-14 04:18:59,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:18:59,989 INFO L85 PathProgramCache]: Analyzing trace with hash -1443645317, now seen corresponding path program 1 times [2022-07-14 04:18:59,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:18:59,993 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [25939146] [2022-07-14 04:18:59,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:18:59,993 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:18:59,993 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:18:59,994 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) [2022-07-14 04:18:59,995 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-14 04:19:01,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:19:02,035 INFO L263 TraceCheckSpWp]: Trace formula consists of 2910 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 04:19:02,041 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:19:02,433 INFO L134 CoverageAnalysis]: Checked inductivity of 1132 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 1084 trivial. 0 not checked. [2022-07-14 04:19:02,433 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:19:02,433 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:19:02,433 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [25939146] [2022-07-14 04:19:02,433 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [25939146] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:19:02,433 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:19:02,433 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 04:19:02,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837161783] [2022-07-14 04:19:02,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:19:02,434 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 04:19:02,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:19:02,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 04:19:02,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 04:19:02,435 INFO L87 Difference]: Start difference. First operand 7874 states and 10888 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, (24), 3 states have call predecessors, (24), 3 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-07-14 04:19:03,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:19:03,433 INFO L93 Difference]: Finished difference Result 20905 states and 28913 transitions. [2022-07-14 04:19:03,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 04:19:03,434 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, (24), 3 states have call predecessors, (24), 3 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 238 [2022-07-14 04:19:03,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:19:03,531 INFO L225 Difference]: With dead ends: 20905 [2022-07-14 04:19:03,532 INFO L226 Difference]: Without dead ends: 13068 [2022-07-14 04:19:03,575 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 236 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 04:19:03,577 INFO L413 NwaCegarLoop]: 4906 mSDtfsCounter, 3948 mSDsluCounter, 4084 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3948 SdHoareTripleChecker+Valid, 8990 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-14 04:19:03,578 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3948 Valid, 8990 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-14 04:19:03,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13068 states. [2022-07-14 04:19:04,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13068 to 13055. [2022-07-14 04:19:04,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13055 states, 8835 states have (on average 1.2529711375212225) internal successors, (11070), 9019 states have internal predecessors, (11070), 3485 states have call successors, (3485), 736 states have call predecessors, (3485), 733 states have return successors, (3482), 3416 states have call predecessors, (3482), 3482 states have call successors, (3482) [2022-07-14 04:19:04,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13055 states to 13055 states and 18037 transitions. [2022-07-14 04:19:04,260 INFO L78 Accepts]: Start accepts. Automaton has 13055 states and 18037 transitions. Word has length 238 [2022-07-14 04:19:04,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:19:04,260 INFO L495 AbstractCegarLoop]: Abstraction has 13055 states and 18037 transitions. [2022-07-14 04:19:04,261 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, (24), 3 states have call predecessors, (24), 3 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-07-14 04:19:04,261 INFO L276 IsEmpty]: Start isEmpty. Operand 13055 states and 18037 transitions. [2022-07-14 04:19:04,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2022-07-14 04:19:04,272 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:19:04,272 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 16, 16, 16, 16, 16, 16, 4, 4, 4, 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] [2022-07-14 04:19:04,346 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-14 04:19:04,499 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 04:19:04,499 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] === [2022-07-14 04:19:04,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:19:04,500 INFO L85 PathProgramCache]: Analyzing trace with hash 1877215274, now seen corresponding path program 1 times [2022-07-14 04:19:04,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:19:04,503 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1777186231] [2022-07-14 04:19:04,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:19:04,503 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:19:04,504 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:19:04,506 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) [2022-07-14 04:19:04,508 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-14 04:19:06,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:19:06,558 INFO L263 TraceCheckSpWp]: Trace formula consists of 2969 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 04:19:06,569 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:19:06,787 INFO L134 CoverageAnalysis]: Checked inductivity of 1324 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 1245 trivial. 0 not checked. [2022-07-14 04:19:06,787 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:19:06,787 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:19:06,787 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1777186231] [2022-07-14 04:19:06,787 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1777186231] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:19:06,787 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:19:06,787 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 04:19:06,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852792805] [2022-07-14 04:19:06,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:19:06,788 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 04:19:06,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:19:06,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 04:19:06,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 04:19:06,788 INFO L87 Difference]: Start difference. First operand 13055 states and 18037 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-07-14 04:19:07,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:19:07,734 INFO L93 Difference]: Finished difference Result 34176 states and 47261 transitions. [2022-07-14 04:19:07,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 04:19:07,735 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 259 [2022-07-14 04:19:07,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:19:07,858 INFO L225 Difference]: With dead ends: 34176 [2022-07-14 04:19:07,859 INFO L226 Difference]: Without dead ends: 23497 [2022-07-14 04:19:07,923 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 257 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 04:19:07,925 INFO L413 NwaCegarLoop]: 7634 mSDtfsCounter, 3983 mSDsluCounter, 4102 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3983 SdHoareTripleChecker+Valid, 11736 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-14 04:19:07,926 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3983 Valid, 11736 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-14 04:19:07,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23497 states. [2022-07-14 04:19:08,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23497 to 23495. [2022-07-14 04:19:08,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23495 states, 15911 states have (on average 1.2537238388536234) internal successors, (19948), 16231 states have internal predecessors, (19948), 6263 states have call successors, (6263), 1322 states have call predecessors, (6263), 1319 states have return successors, (6260), 6154 states have call predecessors, (6260), 6260 states have call successors, (6260) [2022-07-14 04:19:08,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23495 states to 23495 states and 32471 transitions. [2022-07-14 04:19:08,859 INFO L78 Accepts]: Start accepts. Automaton has 23495 states and 32471 transitions. Word has length 259 [2022-07-14 04:19:08,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:19:08,860 INFO L495 AbstractCegarLoop]: Abstraction has 23495 states and 32471 transitions. [2022-07-14 04:19:08,860 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-07-14 04:19:08,861 INFO L276 IsEmpty]: Start isEmpty. Operand 23495 states and 32471 transitions. [2022-07-14 04:19:08,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2022-07-14 04:19:08,869 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:19:08,869 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 16, 16, 16, 16, 16, 16, 4, 4, 4, 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] [2022-07-14 04:19:08,933 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2022-07-14 04:19:09,087 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 04:19:09,087 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 04:19:09,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:19:09,088 INFO L85 PathProgramCache]: Analyzing trace with hash 1743201768, now seen corresponding path program 1 times [2022-07-14 04:19:09,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:19:09,091 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2075383236] [2022-07-14 04:19:09,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:19:09,091 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:19:09,091 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:19:09,092 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) [2022-07-14 04:19:09,094 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-14 04:19:11,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:19:11,155 INFO L263 TraceCheckSpWp]: Trace formula consists of 2969 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-14 04:19:11,160 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:19:14,667 INFO L134 CoverageAnalysis]: Checked inductivity of 1324 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1324 trivial. 0 not checked. [2022-07-14 04:19:14,668 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:19:14,668 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:19:14,668 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2075383236] [2022-07-14 04:19:14,668 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2075383236] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:19:14,668 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:19:14,668 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 04:19:14,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533560756] [2022-07-14 04:19:14,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:19:14,669 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 04:19:14,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:19:14,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 04:19:14,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 04:19:14,670 INFO L87 Difference]: Start difference. First operand 23495 states and 32471 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2022-07-14 04:19:15,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:19:15,428 INFO L93 Difference]: Finished difference Result 23495 states and 32471 transitions. [2022-07-14 04:19:15,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-14 04:19:15,429 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 259 [2022-07-14 04:19:15,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:19:15,541 INFO L225 Difference]: With dead ends: 23495 [2022-07-14 04:19:15,541 INFO L226 Difference]: Without dead ends: 23440 [2022-07-14 04:19:15,567 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 259 GetRequests, 256 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-14 04:19:15,568 INFO L413 NwaCegarLoop]: 4125 mSDtfsCounter, 4018 mSDsluCounter, 4125 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4018 SdHoareTripleChecker+Valid, 8250 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-14 04:19:15,569 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4018 Valid, 8250 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-14 04:19:15,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23440 states. [2022-07-14 04:19:16,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23440 to 23440. [2022-07-14 04:19:16,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23440 states, 15886 states have (on average 1.2533677451844392) internal successors, (19911), 16194 states have internal predecessors, (19911), 6236 states have call successors, (6236), 1317 states have call predecessors, (6236), 1317 states have return successors, (6236), 6141 states have call predecessors, (6236), 6236 states have call successors, (6236) [2022-07-14 04:19:16,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23440 states to 23440 states and 32383 transitions. [2022-07-14 04:19:16,450 INFO L78 Accepts]: Start accepts. Automaton has 23440 states and 32383 transitions. Word has length 259 [2022-07-14 04:19:16,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:19:16,451 INFO L495 AbstractCegarLoop]: Abstraction has 23440 states and 32383 transitions. [2022-07-14 04:19:16,451 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2022-07-14 04:19:16,451 INFO L276 IsEmpty]: Start isEmpty. Operand 23440 states and 32383 transitions. [2022-07-14 04:19:16,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2022-07-14 04:19:16,476 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:19:16,476 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 16, 16, 16, 16, 16, 16, 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] [2022-07-14 04:19:16,537 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-14 04:19:16,691 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 04:19:16,692 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] === [2022-07-14 04:19:16,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:19:16,692 INFO L85 PathProgramCache]: Analyzing trace with hash 539287825, now seen corresponding path program 1 times [2022-07-14 04:19:16,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:19:16,695 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [512081173] [2022-07-14 04:19:16,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:19:16,695 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:19:16,695 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:19:16,696 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) [2022-07-14 04:19:16,697 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-14 04:19:18,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:19:19,100 INFO L263 TraceCheckSpWp]: Trace formula consists of 3126 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 04:19:19,105 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:19:19,824 INFO L134 CoverageAnalysis]: Checked inductivity of 1333 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 1194 trivial. 0 not checked. [2022-07-14 04:19:19,825 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:19:19,825 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:19:19,825 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [512081173] [2022-07-14 04:19:19,825 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [512081173] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:19:19,825 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:19:19,825 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 04:19:19,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140843876] [2022-07-14 04:19:19,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:19:19,826 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 04:19:19,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:19:19,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 04:19:19,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 04:19:19,826 INFO L87 Difference]: Start difference. First operand 23440 states and 32383 transitions. Second operand has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 3 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-07-14 04:19:21,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:19:21,411 INFO L93 Difference]: Finished difference Result 54130 states and 74789 transitions. [2022-07-14 04:19:21,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 04:19:21,412 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 3 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 288 [2022-07-14 04:19:21,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:19:21,554 INFO L225 Difference]: With dead ends: 54130 [2022-07-14 04:19:21,555 INFO L226 Difference]: Without dead ends: 33066 [2022-07-14 04:19:21,640 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 287 GetRequests, 286 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 04:19:21,642 INFO L413 NwaCegarLoop]: 7359 mSDtfsCounter, 3355 mSDsluCounter, 4028 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3355 SdHoareTripleChecker+Valid, 11387 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-14 04:19:21,642 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3355 Valid, 11387 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-14 04:19:21,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33066 states. [2022-07-14 04:19:22,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33066 to 33062. [2022-07-14 04:19:22,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33062 states, 22420 states have (on average 1.2522301516503123) internal successors, (28075), 22852 states have internal predecessors, (28075), 8768 states have call successors, (8768), 1873 states have call predecessors, (8768), 1873 states have return successors, (8768), 8633 states have call predecessors, (8768), 8768 states have call successors, (8768) [2022-07-14 04:19:22,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33062 states to 33062 states and 45611 transitions. [2022-07-14 04:19:22,957 INFO L78 Accepts]: Start accepts. Automaton has 33062 states and 45611 transitions. Word has length 288 [2022-07-14 04:19:22,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:19:22,957 INFO L495 AbstractCegarLoop]: Abstraction has 33062 states and 45611 transitions. [2022-07-14 04:19:22,958 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 3 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-07-14 04:19:22,958 INFO L276 IsEmpty]: Start isEmpty. Operand 33062 states and 45611 transitions. [2022-07-14 04:19:22,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2022-07-14 04:19:22,992 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:19:22,992 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 16, 16, 16, 16, 16, 16, 6, 6, 6, 3, 3, 3, 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] [2022-07-14 04:19:23,048 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-14 04:19:23,219 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 04:19:23,220 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] === [2022-07-14 04:19:23,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:19:23,220 INFO L85 PathProgramCache]: Analyzing trace with hash 1170616974, now seen corresponding path program 1 times [2022-07-14 04:19:23,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:19:23,223 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1391838230] [2022-07-14 04:19:23,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:19:23,223 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:19:23,223 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:19:23,225 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) [2022-07-14 04:19:23,227 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-14 04:19:25,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:19:25,414 INFO L263 TraceCheckSpWp]: Trace formula consists of 3063 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 04:19:25,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:19:25,632 INFO L134 CoverageAnalysis]: Checked inductivity of 1425 backedges. 168 proven. 0 refuted. 0 times theorem prover too weak. 1257 trivial. 0 not checked. [2022-07-14 04:19:25,632 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:19:25,633 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:19:25,634 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1391838230] [2022-07-14 04:19:25,634 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1391838230] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:19:25,634 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:19:25,634 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 04:19:25,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679068330] [2022-07-14 04:19:25,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:19:25,636 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 04:19:25,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:19:25,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 04:19:25,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 04:19:25,636 INFO L87 Difference]: Start difference. First operand 33062 states and 45611 transitions. Second operand has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 3 states have call successors, (33), 3 states have call predecessors, (33), 3 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-07-14 04:19:27,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:19:27,337 INFO L93 Difference]: Finished difference Result 78963 states and 108967 transitions. [2022-07-14 04:19:27,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 04:19:27,348 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 3 states have call successors, (33), 3 states have call predecessors, (33), 3 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 314 [2022-07-14 04:19:27,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:19:27,524 INFO L225 Difference]: With dead ends: 78963 [2022-07-14 04:19:27,524 INFO L226 Difference]: Without dead ends: 45892 [2022-07-14 04:19:27,624 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 313 GetRequests, 312 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 04:19:27,625 INFO L413 NwaCegarLoop]: 8084 mSDtfsCounter, 3979 mSDsluCounter, 4080 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3979 SdHoareTripleChecker+Valid, 12164 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-14 04:19:27,625 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3979 Valid, 12164 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-14 04:19:27,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45892 states. [2022-07-14 04:19:29,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45892 to 45890. [2022-07-14 04:19:29,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45890 states, 31108 states have (on average 1.2527324160987527) internal successors, (38970), 31706 states have internal predecessors, (38970), 12182 states have call successors, (12182), 2599 states have call predecessors, (12182), 2599 states have return successors, (12182), 11998 states have call predecessors, (12182), 12182 states have call successors, (12182) [2022-07-14 04:19:29,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45890 states to 45890 states and 63334 transitions. [2022-07-14 04:19:29,302 INFO L78 Accepts]: Start accepts. Automaton has 45890 states and 63334 transitions. Word has length 314 [2022-07-14 04:19:29,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:19:29,303 INFO L495 AbstractCegarLoop]: Abstraction has 45890 states and 63334 transitions. [2022-07-14 04:19:29,303 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 3 states have call successors, (33), 3 states have call predecessors, (33), 3 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-07-14 04:19:29,303 INFO L276 IsEmpty]: Start isEmpty. Operand 45890 states and 63334 transitions. [2022-07-14 04:19:29,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2022-07-14 04:19:29,341 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:19:29,341 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 16, 16, 16, 16, 16, 16, 7, 7, 7, 4, 4, 4, 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] [2022-07-14 04:19:29,402 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-14 04:19:29,571 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 04:19:29,572 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] === [2022-07-14 04:19:29,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:19:29,573 INFO L85 PathProgramCache]: Analyzing trace with hash -160605202, now seen corresponding path program 1 times [2022-07-14 04:19:29,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:19:29,576 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1358175741] [2022-07-14 04:19:29,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:19:29,576 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:19:29,576 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:19:29,577 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) [2022-07-14 04:19:29,579 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-14 04:19:31,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:19:31,876 INFO L263 TraceCheckSpWp]: Trace formula consists of 3099 conjuncts, 23 conjunts are in the unsatisfiable core [2022-07-14 04:19:31,890 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:19:34,365 INFO L134 CoverageAnalysis]: Checked inductivity of 1600 backedges. 384 proven. 3 refuted. 0 times theorem prover too weak. 1213 trivial. 0 not checked. [2022-07-14 04:19:34,365 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-14 04:19:36,872 INFO L134 CoverageAnalysis]: Checked inductivity of 1600 backedges. 42 proven. 24 refuted. 0 times theorem prover too weak. 1534 trivial. 0 not checked. [2022-07-14 04:19:36,872 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:19:36,872 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1358175741] [2022-07-14 04:19:36,872 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1358175741] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-14 04:19:36,872 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-14 04:19:36,873 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 22 [2022-07-14 04:19:36,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662952202] [2022-07-14 04:19:36,873 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-14 04:19:36,873 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-07-14 04:19:36,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:19:36,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-07-14 04:19:36,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=403, Unknown=0, NotChecked=0, Total=462 [2022-07-14 04:19:36,874 INFO L87 Difference]: Start difference. First operand 45890 states and 63334 transitions. Second operand has 22 states, 21 states have (on average 6.714285714285714) internal successors, (141), 20 states have internal predecessors, (141), 6 states have call successors, (47), 3 states have call predecessors, (47), 8 states have return successors, (47), 7 states have call predecessors, (47), 6 states have call successors, (47) [2022-07-14 04:20:39,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:20:39,719 INFO L93 Difference]: Finished difference Result 117518 states and 162196 transitions. [2022-07-14 04:20:39,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-07-14 04:20:39,720 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 6.714285714285714) internal successors, (141), 20 states have internal predecessors, (141), 6 states have call successors, (47), 3 states have call predecessors, (47), 8 states have return successors, (47), 7 states have call predecessors, (47), 6 states have call successors, (47) Word has length 338 [2022-07-14 04:20:39,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:20:40,093 INFO L225 Difference]: With dead ends: 117518 [2022-07-14 04:20:40,093 INFO L226 Difference]: Without dead ends: 71595 [2022-07-14 04:20:40,228 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 688 GetRequests, 655 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 118 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=173, Invalid=1017, Unknown=0, NotChecked=0, Total=1190 [2022-07-14 04:20:40,229 INFO L413 NwaCegarLoop]: 8376 mSDtfsCounter, 12116 mSDsluCounter, 99110 mSDsCounter, 0 mSdLazyCounter, 7731 mSolverCounterSat, 2278 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 54.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12432 SdHoareTripleChecker+Valid, 107486 SdHoareTripleChecker+Invalid, 10009 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 2278 IncrementalHoareTripleChecker+Valid, 7731 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 57.6s IncrementalHoareTripleChecker+Time [2022-07-14 04:20:40,229 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12432 Valid, 107486 Invalid, 10009 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [2278 Valid, 7731 Invalid, 0 Unknown, 0 Unchecked, 57.6s Time] [2022-07-14 04:20:40,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71595 states. [2022-07-14 04:20:42,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71595 to 45934. [2022-07-14 04:20:42,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45934 states, 31139 states have (on average 1.2525129259128425) internal successors, (39002), 31737 states have internal predecessors, (39002), 12184 states have call successors, (12184), 2610 states have call predecessors, (12184), 2610 states have return successors, (12184), 12000 states have call predecessors, (12184), 12184 states have call successors, (12184) [2022-07-14 04:20:42,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45934 states to 45934 states and 63370 transitions. [2022-07-14 04:20:42,228 INFO L78 Accepts]: Start accepts. Automaton has 45934 states and 63370 transitions. Word has length 338 [2022-07-14 04:20:42,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:20:42,229 INFO L495 AbstractCegarLoop]: Abstraction has 45934 states and 63370 transitions. [2022-07-14 04:20:42,229 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 6.714285714285714) internal successors, (141), 20 states have internal predecessors, (141), 6 states have call successors, (47), 3 states have call predecessors, (47), 8 states have return successors, (47), 7 states have call predecessors, (47), 6 states have call successors, (47) [2022-07-14 04:20:42,229 INFO L276 IsEmpty]: Start isEmpty. Operand 45934 states and 63370 transitions. [2022-07-14 04:20:42,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-07-14 04:20:42,254 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:20:42,254 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 16, 16, 16, 16, 16, 16, 8, 8, 8, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 04:20:42,309 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Ended with exit code 0 [2022-07-14 04:20:42,479 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 04:20:42,480 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 04:20:42,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:20:42,607 INFO L85 PathProgramCache]: Analyzing trace with hash 2131180950, now seen corresponding path program 1 times [2022-07-14 04:20:42,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:20:42,610 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2059956079] [2022-07-14 04:20:42,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:20:42,610 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:20:42,610 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:20:42,624 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 04:20:42,626 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-07-14 04:20:44,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:44,595 INFO L263 TraceCheckSpWp]: Trace formula consists of 3116 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 04:20:44,600 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:20:44,760 INFO L134 CoverageAnalysis]: Checked inductivity of 1628 backedges. 217 proven. 0 refuted. 0 times theorem prover too weak. 1411 trivial. 0 not checked. [2022-07-14 04:20:44,761 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:20:44,761 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:20:44,761 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2059956079] [2022-07-14 04:20:44,761 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2059956079] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:20:44,761 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:20:44,761 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 04:20:44,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220591905] [2022-07-14 04:20:44,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:20:44,762 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 04:20:44,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:20:44,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 04:20:44,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 04:20:44,763 INFO L87 Difference]: Start difference. First operand 45934 states and 63370 transitions. Second operand has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 3 states have call successors, (36), 3 states have call predecessors, (36), 3 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2022-07-14 04:20:46,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:20:46,534 INFO L93 Difference]: Finished difference Result 104683 states and 144443 transitions. [2022-07-14 04:20:46,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 04:20:46,535 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 3 states have call successors, (36), 3 states have call predecessors, (36), 3 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) Word has length 346 [2022-07-14 04:20:46,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:20:46,792 INFO L225 Difference]: With dead ends: 104683 [2022-07-14 04:20:46,792 INFO L226 Difference]: Without dead ends: 58764 [2022-07-14 04:20:46,932 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 345 GetRequests, 344 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 04:20:46,933 INFO L413 NwaCegarLoop]: 8084 mSDtfsCounter, 3977 mSDsluCounter, 4080 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3977 SdHoareTripleChecker+Valid, 12164 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-14 04:20:46,933 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3977 Valid, 12164 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-14 04:20:47,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58764 states. [2022-07-14 04:20:48,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58764 to 45934. [2022-07-14 04:20:48,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45934 states, 31139 states have (on average 1.2524808118436688) internal successors, (39001), 31737 states have internal predecessors, (39001), 12184 states have call successors, (12184), 2610 states have call predecessors, (12184), 2610 states have return successors, (12184), 12000 states have call predecessors, (12184), 12184 states have call successors, (12184) [2022-07-14 04:20:48,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45934 states to 45934 states and 63369 transitions. [2022-07-14 04:20:48,851 INFO L78 Accepts]: Start accepts. Automaton has 45934 states and 63369 transitions. Word has length 346 [2022-07-14 04:20:48,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:20:48,852 INFO L495 AbstractCegarLoop]: Abstraction has 45934 states and 63369 transitions. [2022-07-14 04:20:48,852 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 3 states have call successors, (36), 3 states have call predecessors, (36), 3 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2022-07-14 04:20:48,852 INFO L276 IsEmpty]: Start isEmpty. Operand 45934 states and 63369 transitions. [2022-07-14 04:20:48,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2022-07-14 04:20:48,873 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:20:48,873 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 16, 16, 16, 16, 16, 16, 8, 8, 8, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 04:20:48,926 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Ended with exit code 0 [2022-07-14 04:20:49,087 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 04:20:49,088 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 04:20:49,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:20:49,088 INFO L85 PathProgramCache]: Analyzing trace with hash -1923546600, now seen corresponding path program 1 times [2022-07-14 04:20:49,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:20:49,091 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1417087990] [2022-07-14 04:20:49,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:20:49,091 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:20:49,091 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:20:49,092 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 04:20:49,095 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-07-14 04:20:51,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:51,201 INFO L263 TraceCheckSpWp]: Trace formula consists of 3116 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 04:20:51,211 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:20:51,543 INFO L134 CoverageAnalysis]: Checked inductivity of 1628 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 1503 trivial. 0 not checked. [2022-07-14 04:20:51,543 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:20:51,543 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:20:51,544 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1417087990] [2022-07-14 04:20:51,544 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1417087990] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:20:51,544 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:20:51,544 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 04:20:51,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063853643] [2022-07-14 04:20:51,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:20:51,545 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 04:20:51,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:20:51,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 04:20:51,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 04:20:51,545 INFO L87 Difference]: Start difference. First operand 45934 states and 63369 transitions. Second operand has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 3 states have call successors, (35), 3 states have call predecessors, (35), 3 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-07-14 04:20:53,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:20:53,944 INFO L93 Difference]: Finished difference Result 112097 states and 154692 transitions. [2022-07-14 04:20:53,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 04:20:53,945 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 3 states have call successors, (35), 3 states have call predecessors, (35), 3 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 346 [2022-07-14 04:20:53,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:20:54,177 INFO L225 Difference]: With dead ends: 112097 [2022-07-14 04:20:54,178 INFO L226 Difference]: Without dead ends: 68539 [2022-07-14 04:20:54,283 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 345 GetRequests, 344 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 04:20:54,284 INFO L413 NwaCegarLoop]: 8024 mSDtfsCounter, 3917 mSDsluCounter, 4051 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3917 SdHoareTripleChecker+Valid, 12075 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-14 04:20:54,284 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3917 Valid, 12075 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-14 04:20:54,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68539 states. [2022-07-14 04:20:56,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68539 to 68531. [2022-07-14 04:20:56,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68531 states, 46454 states have (on average 1.2518620570887329) internal successors, (58154), 47354 states have internal predecessors, (58154), 18175 states have call successors, (18175), 3901 states have call predecessors, (18175), 3901 states have return successors, (18175), 17896 states have call predecessors, (18175), 18175 states have call successors, (18175) [2022-07-14 04:20:56,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68531 states to 68531 states and 94504 transitions. [2022-07-14 04:20:56,895 INFO L78 Accepts]: Start accepts. Automaton has 68531 states and 94504 transitions. Word has length 346 [2022-07-14 04:20:56,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:20:56,896 INFO L495 AbstractCegarLoop]: Abstraction has 68531 states and 94504 transitions. [2022-07-14 04:20:56,896 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 3 states have call successors, (35), 3 states have call predecessors, (35), 3 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-07-14 04:20:56,896 INFO L276 IsEmpty]: Start isEmpty. Operand 68531 states and 94504 transitions. [2022-07-14 04:20:56,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2022-07-14 04:20:56,920 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:20:56,921 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 16, 16, 16, 16, 16, 16, 9, 9, 9, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 04:20:56,974 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-07-14 04:20:57,128 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 04:20:57,129 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 04:20:57,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:20:57,129 INFO L85 PathProgramCache]: Analyzing trace with hash -167582049, now seen corresponding path program 1 times [2022-07-14 04:20:57,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:20:57,132 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [86776072] [2022-07-14 04:20:57,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:20:57,132 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:20:57,133 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:20:57,136 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 04:20:57,139 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-07-14 04:20:59,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:20:59,237 INFO L263 TraceCheckSpWp]: Trace formula consists of 3267 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 04:20:59,242 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:20:59,564 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 1476 trivial. 0 not checked. [2022-07-14 04:20:59,564 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:20:59,564 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:20:59,564 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [86776072] [2022-07-14 04:20:59,564 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [86776072] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:20:59,564 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:20:59,564 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 04:20:59,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271958291] [2022-07-14 04:20:59,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:20:59,565 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 04:20:59,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:20:59,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 04:20:59,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 04:20:59,566 INFO L87 Difference]: Start difference. First operand 68531 states and 94504 transitions. Second operand has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 3 states have call successors, (35), 3 states have call predecessors, (35), 3 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-07-14 04:21:02,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:21:02,712 INFO L93 Difference]: Finished difference Result 156117 states and 215290 transitions. [2022-07-14 04:21:02,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 04:21:02,713 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 3 states have call successors, (35), 3 states have call predecessors, (35), 3 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 363 [2022-07-14 04:21:02,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:21:03,243 INFO L225 Difference]: With dead ends: 156117 [2022-07-14 04:21:03,244 INFO L226 Difference]: Without dead ends: 87603 [2022-07-14 04:21:03,419 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 362 GetRequests, 361 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 04:21:03,420 INFO L413 NwaCegarLoop]: 7476 mSDtfsCounter, 3370 mSDsluCounter, 4035 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3370 SdHoareTripleChecker+Valid, 11511 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-14 04:21:03,420 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3370 Valid, 11511 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-14 04:21:03,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87603 states. [2022-07-14 04:21:06,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87603 to 87598. [2022-07-14 04:21:06,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87598 states, 59388 states have (on average 1.251246042971644) internal successors, (74309), 60535 states have internal predecessors, (74309), 23201 states have call successors, (23201), 5008 states have call predecessors, (23201), 5008 states have return successors, (23201), 22843 states have call predecessors, (23201), 23201 states have call successors, (23201) [2022-07-14 04:21:06,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87598 states to 87598 states and 120711 transitions. [2022-07-14 04:21:06,812 INFO L78 Accepts]: Start accepts. Automaton has 87598 states and 120711 transitions. Word has length 363 [2022-07-14 04:21:06,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:21:06,813 INFO L495 AbstractCegarLoop]: Abstraction has 87598 states and 120711 transitions. [2022-07-14 04:21:06,813 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 3 states have call successors, (35), 3 states have call predecessors, (35), 3 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-07-14 04:21:06,813 INFO L276 IsEmpty]: Start isEmpty. Operand 87598 states and 120711 transitions. [2022-07-14 04:21:06,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2022-07-14 04:21:06,838 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:21:06,839 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 16, 16, 16, 16, 16, 16, 9, 9, 9, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 04:21:06,896 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2022-07-14 04:21:07,051 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 04:21:07,052 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 04:21:07,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:21:07,052 INFO L85 PathProgramCache]: Analyzing trace with hash 725904289, now seen corresponding path program 1 times [2022-07-14 04:21:07,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:21:07,055 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1510865782] [2022-07-14 04:21:07,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:21:07,055 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:21:07,055 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:21:07,056 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 04:21:07,057 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-07-14 04:21:09,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:21:09,227 INFO L263 TraceCheckSpWp]: Trace formula consists of 3267 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-14 04:21:09,232 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:21:13,857 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1596 trivial. 0 not checked. [2022-07-14 04:21:13,858 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:21:13,858 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:21:13,858 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1510865782] [2022-07-14 04:21:13,858 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1510865782] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:21:13,858 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:21:13,858 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 04:21:13,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065919944] [2022-07-14 04:21:13,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:21:13,859 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-14 04:21:13,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:21:13,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-14 04:21:13,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-07-14 04:21:13,860 INFO L87 Difference]: Start difference. First operand 87598 states and 120711 transitions. Second operand has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2022-07-14 04:21:16,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:21:16,065 INFO L93 Difference]: Finished difference Result 87634 states and 120750 transitions. [2022-07-14 04:21:16,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-14 04:21:16,065 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 363 [2022-07-14 04:21:16,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:21:16,070 INFO L225 Difference]: With dead ends: 87634 [2022-07-14 04:21:16,070 INFO L226 Difference]: Without dead ends: 0 [2022-07-14 04:21:16,389 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 363 GetRequests, 360 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-14 04:21:16,390 INFO L413 NwaCegarLoop]: 4098 mSDtfsCounter, 3933 mSDsluCounter, 4096 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3933 SdHoareTripleChecker+Valid, 8194 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-14 04:21:16,390 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3933 Valid, 8194 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-14 04:21:16,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-14 04:21:16,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-14 04:21:16,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 04:21:16,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-14 04:21:16,404 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 363 [2022-07-14 04:21:16,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:21:16,404 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-14 04:21:16,404 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 1 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2022-07-14 04:21:16,404 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-14 04:21:16,404 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-14 04:21:16,406 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2022-07-14 04:21:16,407 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2022-07-14 04:21:16,463 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2022-07-14 04:21:16,607 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 04:21:16,609 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.