./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-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-alloc-spinlock_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 0ed43de24ffaa93b1a37c00c78c0cdaa1e1005aa52f2fbac965e933337484318 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 03:47:52,400 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 03:47:52,402 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 03:47:52,424 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 03:47:52,425 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 03:47:52,426 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 03:47:52,440 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 03:47:52,441 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 03:47:52,442 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 03:47:52,443 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 03:47:52,443 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 03:47:52,444 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 03:47:52,444 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 03:47:52,445 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 03:47:52,446 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 03:47:52,446 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 03:47:52,447 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 03:47:52,448 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 03:47:52,460 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 03:47:52,461 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 03:47:52,462 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 03:47:52,463 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 03:47:52,464 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 03:47:52,464 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 03:47:52,465 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 03:47:52,467 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 03:47:52,467 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 03:47:52,467 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 03:47:52,468 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 03:47:52,468 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 03:47:52,469 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 03:47:52,469 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 03:47:52,470 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 03:47:52,470 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 03:47:52,471 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 03:47:52,471 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 03:47:52,472 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 03:47:52,472 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 03:47:52,472 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 03:47:52,472 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 03:47:52,473 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 03:47:52,474 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 03:47:52,474 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-14 03:47:52,488 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 03:47:52,489 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 03:47:52,489 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 03:47:52,489 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 03:47:52,490 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 03:47:52,490 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 03:47:52,490 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 03:47:52,490 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 03:47:52,491 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 03:47:52,491 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 03:47:52,491 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 03:47:52,491 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 03:47:52,491 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 03:47:52,492 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 03:47:52,492 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 03:47:52,492 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 03:47:52,492 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 03:47:52,492 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 03:47:52,492 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 03:47:52,493 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 03:47:52,493 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 03:47:52,493 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 03:47:52,493 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 03:47:52,493 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 03:47:52,493 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 03:47:52,494 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 03:47:52,494 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-14 03:47:52,494 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 03:47:52,494 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 03:47:52,494 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 03:47:52,494 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0ed43de24ffaa93b1a37c00c78c0cdaa1e1005aa52f2fbac965e933337484318 [2022-07-14 03:47:52,695 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 03:47:52,719 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 03:47:52,722 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 03:47:52,723 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 03:47:52,723 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 03:47:52,724 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i [2022-07-14 03:47:52,787 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbb236dc5/40324a68965741e38528c4c77f43e14e/FLAGa80492c62 [2022-07-14 03:47:53,414 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 03:47:53,415 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i [2022-07-14 03:47:53,464 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbb236dc5/40324a68965741e38528c4c77f43e14e/FLAGa80492c62 [2022-07-14 03:47:53,525 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbb236dc5/40324a68965741e38528c4c77f43e14e [2022-07-14 03:47:53,531 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 03:47:53,533 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 03:47:53,537 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 03:47:53,538 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 03:47:53,540 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 03:47:53,541 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 03:47:53" (1/1) ... [2022-07-14 03:47:53,542 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53980e63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:47:53, skipping insertion in model container [2022-07-14 03:47:53,542 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 03:47:53" (1/1) ... [2022-07-14 03:47:53,548 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 03:47:53,701 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 03:47:57,681 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[458925,458938] [2022-07-14 03:47:57,684 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[459070,459083] [2022-07-14 03:47:57,719 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 03:47:57,821 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 03:47:58,106 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 [15270] 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 03:47:58,111 INFO L158 Benchmark]: Toolchain (without parser) took 4577.67ms. Allocated memory was 117.4MB in the beginning and 281.0MB in the end (delta: 163.6MB). Free memory was 71.5MB in the beginning and 190.7MB in the end (delta: -119.1MB). Peak memory consumption was 121.1MB. Max. memory is 16.1GB. [2022-07-14 03:47:58,112 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 117.4MB. Free memory is still 73.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 03:47:58,112 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4572.28ms. Allocated memory was 117.4MB in the beginning and 281.0MB in the end (delta: 163.6MB). Free memory was 71.3MB in the beginning and 190.7MB in the end (delta: -119.3MB). Peak memory consumption was 121.1MB. Max. memory is 16.1GB. [2022-07-14 03:47:58,113 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 117.4MB. Free memory is still 73.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4572.28ms. Allocated memory was 117.4MB in the beginning and 281.0MB in the end (delta: 163.6MB). Free memory was 71.3MB in the beginning and 190.7MB in the end (delta: -119.3MB). Peak memory consumption was 121.1MB. 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 [15270] de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: TypeCheckException: Type check failed for C: phy_val = (unsigned int )phy_val & 65027U [15270]: de.uni_freiburg.informatik.ultimate.boogie.TypeErrorReporter.report(TypeErrorReporter.java:52) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-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 0ed43de24ffaa93b1a37c00c78c0cdaa1e1005aa52f2fbac965e933337484318 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 03:47:59,899 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 03:47:59,901 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 03:47:59,942 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 03:47:59,942 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 03:47:59,943 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 03:47:59,946 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 03:47:59,948 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 03:47:59,950 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 03:47:59,954 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 03:47:59,954 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 03:47:59,956 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 03:47:59,956 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 03:47:59,958 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 03:47:59,959 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 03:47:59,963 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 03:47:59,964 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 03:47:59,965 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 03:47:59,966 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 03:47:59,970 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 03:47:59,971 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 03:47:59,972 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 03:47:59,974 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 03:47:59,974 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 03:47:59,975 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 03:47:59,981 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 03:47:59,981 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 03:47:59,981 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 03:47:59,982 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 03:47:59,982 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 03:47:59,983 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 03:47:59,983 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 03:47:59,984 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 03:47:59,985 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 03:47:59,986 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 03:47:59,987 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 03:47:59,987 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 03:47:59,987 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 03:47:59,987 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 03:47:59,988 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 03:47:59,988 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 03:47:59,989 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 03:47:59,993 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-14 03:48:00,017 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 03:48:00,017 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 03:48:00,017 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 03:48:00,018 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 03:48:00,018 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 03:48:00,018 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 03:48:00,019 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 03:48:00,019 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 03:48:00,020 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 03:48:00,020 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 03:48:00,020 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 03:48:00,021 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 03:48:00,021 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 03:48:00,021 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 03:48:00,021 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-14 03:48:00,021 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-14 03:48:00,021 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-14 03:48:00,022 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 03:48:00,022 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 03:48:00,022 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 03:48:00,022 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 03:48:00,022 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 03:48:00,022 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 03:48:00,022 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 03:48:00,023 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 03:48:00,023 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 03:48:00,023 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 03:48:00,023 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-14 03:48:00,023 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-14 03:48:00,023 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 03:48:00,024 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 03:48:00,024 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 03:48:00,024 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-14 03:48:00,024 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0ed43de24ffaa93b1a37c00c78c0cdaa1e1005aa52f2fbac965e933337484318 [2022-07-14 03:48:00,310 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 03:48:00,328 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 03:48:00,330 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 03:48:00,331 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 03:48:00,331 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 03:48:00,332 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i [2022-07-14 03:48:00,385 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa9869ef7/98069525d65040e89a9d1b8697e3a51d/FLAG2e1cc50a0 [2022-07-14 03:48:01,120 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 03:48:01,121 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i [2022-07-14 03:48:01,180 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa9869ef7/98069525d65040e89a9d1b8697e3a51d/FLAG2e1cc50a0 [2022-07-14 03:48:01,409 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa9869ef7/98069525d65040e89a9d1b8697e3a51d [2022-07-14 03:48:01,414 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 03:48:01,415 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 03:48:01,417 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 03:48:01,417 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 03:48:01,420 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 03:48:01,420 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 03:48:01" (1/1) ... [2022-07-14 03:48:01,421 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e380b88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:48:01, skipping insertion in model container [2022-07-14 03:48:01,422 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 03:48:01" (1/1) ... [2022-07-14 03:48:01,426 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 03:48:01,547 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 03:48:04,856 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[458925,458938] [2022-07-14 03:48:04,859 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[459070,459083] [2022-07-14 03:48:04,874 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 03:48:04,942 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-14 03:48:05,054 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 03:48:05,384 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[458925,458938] [2022-07-14 03:48:05,384 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[459070,459083] [2022-07-14 03:48:05,424 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 03:48:05,462 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 03:48:05,780 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[458925,458938] [2022-07-14 03:48:05,781 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[459070,459083] [2022-07-14 03:48:05,786 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 03:48:06,075 INFO L208 MainTranslator]: Completed translation [2022-07-14 03:48:06,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:48:06 WrapperNode [2022-07-14 03:48:06,076 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 03:48:06,077 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 03:48:06,077 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 03:48:06,077 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 03:48:06,082 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:48:06" (1/1) ... [2022-07-14 03:48:06,185 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:48:06" (1/1) ... [2022-07-14 03:48:06,317 INFO L137 Inliner]: procedures = 681, calls = 4451, calls flagged for inlining = 327, calls inlined = 292, statements flattened = 8269 [2022-07-14 03:48:06,318 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 03:48:06,318 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 03:48:06,319 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 03:48:06,319 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 03:48:06,326 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:48:06" (1/1) ... [2022-07-14 03:48:06,326 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:48:06" (1/1) ... [2022-07-14 03:48:06,356 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:48:06" (1/1) ... [2022-07-14 03:48:06,357 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:48:06" (1/1) ... [2022-07-14 03:48:06,515 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:48:06" (1/1) ... [2022-07-14 03:48:06,538 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:48:06" (1/1) ... [2022-07-14 03:48:06,574 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:48:06" (1/1) ... [2022-07-14 03:48:06,618 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 03:48:06,620 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 03:48:06,620 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 03:48:06,620 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 03:48:06,621 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:48:06" (1/1) ... [2022-07-14 03:48:06,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 03:48:06,635 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 03:48:06,660 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 03:48:06,676 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 03:48:06,685 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2022-07-14 03:48:06,685 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2022-07-14 03:48:06,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-14 03:48:06,685 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-14 03:48:06,685 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2022-07-14 03:48:06,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2022-07-14 03:48:06,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-14 03:48:06,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-14 03:48:06,686 INFO L130 BoogieDeclarations]: Found specification of procedure alx_halt [2022-07-14 03:48:06,686 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_halt [2022-07-14 03:48:06,686 INFO L130 BoogieDeclarations]: Found specification of procedure alx_free_txbuf [2022-07-14 03:48:06,686 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_free_txbuf [2022-07-14 03:48:06,686 INFO L130 BoogieDeclarations]: Found specification of procedure dump_stack [2022-07-14 03:48:06,686 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_stack [2022-07-14 03:48:06,687 INFO L130 BoogieDeclarations]: Found specification of procedure alx_suspend [2022-07-14 03:48:06,687 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_suspend [2022-07-14 03:48:06,687 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_read_phy_reg [2022-07-14 03:48:06,687 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_read_phy_reg [2022-07-14 03:48:06,687 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-07-14 03:48:06,687 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-07-14 03:48:06,687 INFO L130 BoogieDeclarations]: Found specification of procedure alx_wait_reg [2022-07-14 03:48:06,687 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_wait_reg [2022-07-14 03:48:06,688 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-14 03:48:06,688 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-14 03:48:06,688 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-14 03:48:06,688 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-14 03:48:06,688 INFO L130 BoogieDeclarations]: Found specification of procedure alx_pci_error_resume [2022-07-14 03:48:06,688 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_pci_error_resume [2022-07-14 03:48:06,688 INFO L130 BoogieDeclarations]: Found specification of procedure alx_tx_timeout [2022-07-14 03:48:06,688 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_tx_timeout [2022-07-14 03:48:06,688 INFO L130 BoogieDeclarations]: Found specification of procedure alx_irq_enable [2022-07-14 03:48:06,689 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_irq_enable [2022-07-14 03:48:06,689 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-14 03:48:06,689 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-14 03:48:06,689 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_mem16 [2022-07-14 03:48:06,689 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_mem16 [2022-07-14 03:48:06,689 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-07-14 03:48:06,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-07-14 03:48:06,689 INFO L130 BoogieDeclarations]: Found specification of procedure alx_irq_disable [2022-07-14 03:48:06,690 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_irq_disable [2022-07-14 03:48:06,690 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-14 03:48:06,690 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-14 03:48:06,690 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-14 03:48:06,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-14 03:48:06,690 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-14 03:48:06,690 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-14 03:48:06,690 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-14 03:48:06,691 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-14 03:48:06,691 INFO L130 BoogieDeclarations]: Found specification of procedure alx_activate [2022-07-14 03:48:06,691 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_activate [2022-07-14 03:48:06,691 INFO L130 BoogieDeclarations]: Found specification of procedure alx_remove [2022-07-14 03:48:06,691 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_remove [2022-07-14 03:48:06,691 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-14 03:48:06,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-14 03:48:06,691 INFO L130 BoogieDeclarations]: Found specification of procedure alx_intr_msi [2022-07-14 03:48:06,692 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_intr_msi [2022-07-14 03:48:06,692 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-07-14 03:48:06,692 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-07-14 03:48:06,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-14 03:48:06,692 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-07-14 03:48:06,692 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-07-14 03:48:06,692 INFO L130 BoogieDeclarations]: Found specification of procedure alx_post_write [2022-07-14 03:48:06,692 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_post_write [2022-07-14 03:48:06,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-14 03:48:06,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-14 03:48:06,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-14 03:48:06,693 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-07-14 03:48:06,693 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-07-14 03:48:06,693 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-07-14 03:48:06,693 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-07-14 03:48:06,693 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_reg [2022-07-14 03:48:06,693 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_reg [2022-07-14 03:48:06,694 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_unaligned_access_size [2022-07-14 03:48:06,694 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_ext [2022-07-14 03:48:06,694 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_ext [2022-07-14 03:48:06,694 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-14 03:48:06,694 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-14 03:48:06,694 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-14 03:48:06,694 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-14 03:48:06,694 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_114 [2022-07-14 03:48:06,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_114 [2022-07-14 03:48:06,695 INFO L130 BoogieDeclarations]: Found specification of procedure ethadv_to_hw_cfg [2022-07-14 03:48:06,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ethadv_to_hw_cfg [2022-07-14 03:48:06,695 INFO L130 BoogieDeclarations]: Found specification of procedure alx_stop [2022-07-14 03:48:06,695 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_stop [2022-07-14 03:48:06,695 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-14 03:48:06,695 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-14 03:48:06,695 INFO L130 BoogieDeclarations]: Found specification of procedure alx_resume [2022-07-14 03:48:06,695 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_resume [2022-07-14 03:48:06,696 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-14 03:48:06,696 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-14 03:48:06,696 INFO L130 BoogieDeclarations]: Found specification of procedure alx_schedule_link_check [2022-07-14 03:48:06,696 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_schedule_link_check [2022-07-14 03:48:06,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-14 03:48:06,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-14 03:48:06,696 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-14 03:48:06,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-14 03:48:06,696 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-14 03:48:06,697 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-14 03:48:06,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-07-14 03:48:06,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-07-14 03:48:06,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-14 03:48:06,697 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-14 03:48:06,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-14 03:48:06,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-14 03:48:06,697 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_open [2022-07-14 03:48:06,698 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_open [2022-07-14 03:48:06,698 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_core [2022-07-14 03:48:06,698 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_core [2022-07-14 03:48:06,698 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-14 03:48:06,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-14 03:48:06,698 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-14 03:48:06,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-14 03:48:06,698 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-14 03:48:06,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-14 03:48:06,699 INFO L130 BoogieDeclarations]: Found specification of procedure alx_update_hw_stats [2022-07-14 03:48:06,699 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_update_hw_stats [2022-07-14 03:48:06,699 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_mem32 [2022-07-14 03:48:06,699 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_mem32 [2022-07-14 03:48:06,699 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-14 03:48:06,699 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-14 03:48:06,699 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-14 03:48:06,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-14 03:48:06,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-14 03:48:06,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2022-07-14 03:48:06,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2022-07-14 03:48:06,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-07-14 03:48:06,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-07-14 03:48:06,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2022-07-14 03:48:06,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2022-07-14 03:48:06,700 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_dbg [2022-07-14 03:48:06,700 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_dbg [2022-07-14 03:48:06,701 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-07-14 03:48:06,701 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-07-14 03:48:06,701 INFO L130 BoogieDeclarations]: Found specification of procedure alx_netif_stop [2022-07-14 03:48:06,701 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_netif_stop [2022-07-14 03:48:06,701 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-14 03:48:06,701 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-07-14 03:48:06,701 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-07-14 03:48:06,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-14 03:48:06,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-14 03:48:06,702 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-14 03:48:06,702 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-14 03:48:06,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-14 03:48:06,702 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-14 03:48:06,702 INFO L130 BoogieDeclarations]: Found specification of procedure alx_hw_giga [2022-07-14 03:48:06,702 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_hw_giga [2022-07-14 03:48:06,702 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-14 03:48:06,702 INFO L130 BoogieDeclarations]: Found specification of procedure alx_poll_controller [2022-07-14 03:48:06,702 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_poll_controller [2022-07-14 03:48:06,702 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-14 03:48:06,703 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset_pcie [2022-07-14 03:48:06,703 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset_pcie [2022-07-14 03:48:06,703 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-14 03:48:06,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-14 03:48:06,703 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-14 03:48:06,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-07-14 03:48:06,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-07-14 03:48:06,703 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_INT~X~$Pointer$~TO~C_INT [2022-07-14 03:48:06,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_INT~X~$Pointer$~TO~C_INT [2022-07-14 03:48:06,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-07-14 03:48:06,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-07-14 03:48:06,704 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_is_locked [2022-07-14 03:48:06,704 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_is_locked [2022-07-14 03:48:06,704 INFO L130 BoogieDeclarations]: Found specification of procedure alx_schedule_reset [2022-07-14 03:48:06,704 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_schedule_reset [2022-07-14 03:48:06,704 INFO L130 BoogieDeclarations]: Found specification of procedure alx_intr_legacy [2022-07-14 03:48:06,704 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_intr_legacy [2022-07-14 03:48:06,704 INFO L130 BoogieDeclarations]: Found specification of procedure alx_refill_rx_ring [2022-07-14 03:48:06,705 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_refill_rx_ring [2022-07-14 03:48:06,705 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_dbg [2022-07-14 03:48:06,705 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_dbg [2022-07-14 03:48:06,705 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-07-14 03:48:06,705 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-07-14 03:48:06,705 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-07-14 03:48:06,705 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-07-14 03:48:06,705 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-07-14 03:48:06,705 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-07-14 03:48:06,705 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-14 03:48:06,706 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-14 03:48:06,706 INFO L130 BoogieDeclarations]: Found specification of procedure alx_set_macaddr [2022-07-14 03:48:06,706 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_set_macaddr [2022-07-14 03:48:06,706 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-14 03:48:06,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-14 03:48:06,706 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_selected_regions [2022-07-14 03:48:06,706 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_selected_regions [2022-07-14 03:48:06,706 INFO L130 BoogieDeclarations]: Found specification of procedure alx_speed_to_ethadv [2022-07-14 03:48:06,706 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_speed_to_ethadv [2022-07-14 03:48:06,707 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-14 03:48:06,707 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-14 03:48:06,707 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-14 03:48:06,707 INFO L130 BoogieDeclarations]: Found specification of procedure alx_free_rings [2022-07-14 03:48:06,707 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_free_rings [2022-07-14 03:48:06,707 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 03:48:06,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 03:48:06,707 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-07-14 03:48:06,707 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-07-14 03:48:06,708 INFO L130 BoogieDeclarations]: Found specification of procedure pci_select_bars [2022-07-14 03:48:06,708 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_select_bars [2022-07-14 03:48:06,708 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-14 03:48:06,708 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-14 03:48:06,708 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-14 03:48:06,708 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-14 03:48:06,708 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-14 03:48:06,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-14 03:48:06,708 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-14 03:48:06,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-14 03:48:06,709 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le32 [2022-07-14 03:48:06,709 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le32 [2022-07-14 03:48:06,709 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-07-14 03:48:06,709 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-07-14 03:48:06,709 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-14 03:48:06,709 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-14 03:48:06,709 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-07-14 03:48:06,709 INFO L130 BoogieDeclarations]: Found specification of procedure alx_open [2022-07-14 03:48:06,709 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_open [2022-07-14 03:48:06,710 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2022-07-14 03:48:06,710 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2022-07-14 03:48:06,710 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-07-14 03:48:06,710 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-07-14 03:48:06,710 INFO L130 BoogieDeclarations]: Found specification of procedure alx_hw_with_cr [2022-07-14 03:48:06,710 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_hw_with_cr [2022-07-14 03:48:06,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-14 03:48:06,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-14 03:48:06,710 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2022-07-14 03:48:06,711 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2022-07-14 03:48:06,711 INFO L130 BoogieDeclarations]: Found specification of procedure alx_get_supported_speeds [2022-07-14 03:48:06,711 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_get_supported_speeds [2022-07-14 03:48:06,711 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-14 03:48:06,711 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-14 03:48:06,711 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_macaddr [2022-07-14 03:48:06,711 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_macaddr [2022-07-14 03:48:06,711 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_mem32 [2022-07-14 03:48:06,711 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_mem32 [2022-07-14 03:48:06,711 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-07-14 03:48:06,712 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-07-14 03:48:06,712 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-14 03:48:06,712 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-14 03:48:06,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-07-14 03:48:06,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-07-14 03:48:06,712 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2022-07-14 03:48:06,712 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2022-07-14 03:48:06,712 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-07-14 03:48:06,713 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-07-14 03:48:06,713 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-14 03:48:06,713 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-14 03:48:06,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-14 03:48:06,713 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-14 03:48:06,713 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-14 03:48:06,713 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reinit_rings [2022-07-14 03:48:06,713 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reinit_rings [2022-07-14 03:48:06,713 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_reg [2022-07-14 03:48:06,713 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_reg [2022-07-14 03:48:06,714 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-07-14 03:48:06,714 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-07-14 03:48:06,714 INFO L130 BoogieDeclarations]: Found specification of procedure alx_free_buffers [2022-07-14 03:48:06,714 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_free_buffers [2022-07-14 03:48:06,714 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-14 03:48:06,714 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-14 03:48:06,714 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-14 03:48:06,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_lock_of_alx_priv [2022-07-14 03:48:06,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_lock_of_alx_priv [2022-07-14 03:48:06,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_105 [2022-07-14 03:48:06,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_105 [2022-07-14 03:48:06,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-14 03:48:06,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-14 03:48:06,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-14 03:48:06,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-14 03:48:06,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-14 03:48:06,715 INFO L130 BoogieDeclarations]: Found specification of procedure alx_wait_mdio_idle [2022-07-14 03:48:06,715 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_wait_mdio_idle [2022-07-14 03:48:06,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-07-14 03:48:06,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-07-14 03:48:06,716 INFO L130 BoogieDeclarations]: Found specification of procedure alx_intr_handle [2022-07-14 03:48:06,716 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_intr_handle [2022-07-14 03:48:06,716 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-07-14 03:48:06,716 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-07-14 03:48:06,716 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-07-14 03:48:06,716 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-07-14 03:48:06,716 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-14 03:48:06,716 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-14 03:48:06,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2022-07-14 03:48:06,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2022-07-14 03:48:06,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-14 03:48:06,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-14 03:48:06,717 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-07-14 03:48:06,717 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-07-14 03:48:06,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_lock_of_alx_priv [2022-07-14 03:48:06,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_lock_of_alx_priv [2022-07-14 03:48:06,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-14 03:48:06,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-14 03:48:06,718 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_alx_driver_exit_15_2 [2022-07-14 03:48:06,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_alx_driver_exit_15_2 [2022-07-14 03:48:06,718 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_85 [2022-07-14 03:48:06,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_85 [2022-07-14 03:48:06,718 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-14 03:48:06,718 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-14 03:48:06,718 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-14 03:48:06,718 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-14 03:48:06,718 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-14 03:48:06,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-14 03:48:06,719 INFO L130 BoogieDeclarations]: Found specification of procedure alx_is_rev_a [2022-07-14 03:48:06,719 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_is_rev_a [2022-07-14 03:48:06,719 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-14 03:48:06,719 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-14 03:48:06,719 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_core [2022-07-14 03:48:06,719 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_core [2022-07-14 03:48:06,719 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-14 03:48:06,719 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-14 03:48:06,720 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_ext [2022-07-14 03:48:06,720 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_ext [2022-07-14 03:48:06,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-14 03:48:06,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-14 03:48:06,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-14 03:48:06,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-14 03:48:06,720 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-14 03:48:06,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-14 03:48:06,720 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_86 [2022-07-14 03:48:06,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_86 [2022-07-14 03:48:06,721 INFO L130 BoogieDeclarations]: Found specification of procedure alx_post_phy_link [2022-07-14 03:48:06,721 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_post_phy_link [2022-07-14 03:48:06,721 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reinit [2022-07-14 03:48:06,721 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reinit [2022-07-14 03:48:06,721 INFO L130 BoogieDeclarations]: Found specification of procedure alx_tpd_avail [2022-07-14 03:48:06,721 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_tpd_avail [2022-07-14 03:48:06,721 INFO L130 BoogieDeclarations]: Found specification of procedure alx_setup_speed_duplex [2022-07-14 03:48:06,722 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_setup_speed_duplex [2022-07-14 03:48:06,722 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-14 03:48:06,722 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-14 03:48:06,722 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_stop [2022-07-14 03:48:06,722 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_stop [2022-07-14 03:48:06,722 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-07-14 03:48:06,722 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-07-14 03:48:06,722 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2022-07-14 03:48:06,722 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2022-07-14 03:48:06,722 INFO L130 BoogieDeclarations]: Found specification of procedure alx_enable_aspm [2022-07-14 03:48:06,723 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_enable_aspm [2022-07-14 03:48:06,723 INFO L130 BoogieDeclarations]: Found specification of procedure alx_set_rx_mode [2022-07-14 03:48:06,723 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_set_rx_mode [2022-07-14 03:48:06,723 INFO L130 BoogieDeclarations]: Found specification of procedure alx_hw_revision [2022-07-14 03:48:06,723 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_hw_revision [2022-07-14 03:48:06,723 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_set_rx_mode [2022-07-14 03:48:06,723 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_set_rx_mode [2022-07-14 03:48:06,723 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_write_phy_reg [2022-07-14 03:48:06,723 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_write_phy_reg [2022-07-14 03:48:06,724 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-07-14 03:48:06,724 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-07-14 03:48:06,724 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2022-07-14 03:48:06,724 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2022-07-14 03:48:06,724 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-14 03:48:06,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-14 03:48:06,724 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-07-14 03:48:06,724 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-07-14 03:48:06,725 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2022-07-14 03:48:06,725 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2022-07-14 03:48:06,725 INFO L130 BoogieDeclarations]: Found specification of procedure alx_configure [2022-07-14 03:48:06,725 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_configure [2022-07-14 03:48:06,725 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset_phy [2022-07-14 03:48:06,725 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset_phy [2022-07-14 03:48:06,725 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2022-07-14 03:48:06,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2022-07-14 03:48:06,726 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-14 03:48:06,726 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-14 03:48:06,726 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-07-14 03:48:06,726 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-07-14 03:48:06,726 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-07-14 03:48:06,726 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-07-14 03:48:06,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_113 [2022-07-14 03:48:06,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_113 [2022-07-14 03:48:06,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-14 03:48:06,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-14 03:48:06,727 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le64 [2022-07-14 03:48:06,727 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le64 [2022-07-14 03:48:06,727 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset_mac [2022-07-14 03:48:06,727 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset_mac [2022-07-14 03:48:07,833 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 03:48:07,836 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 03:48:07,894 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-14 03:48:40,982 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-14 03:48:41,542 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 03:48:41,562 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 03:48:41,562 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2022-07-14 03:48:41,565 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 03:48:41 BoogieIcfgContainer [2022-07-14 03:48:41,566 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 03:48:41,568 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-14 03:48:41,568 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-14 03:48:41,570 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-14 03:48:41,570 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 03:48:01" (1/3) ... [2022-07-14 03:48:41,571 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@612a6041 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 03:48:41, skipping insertion in model container [2022-07-14 03:48:41,571 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:48:06" (2/3) ... [2022-07-14 03:48:41,571 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@612a6041 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 03:48:41, skipping insertion in model container [2022-07-14 03:48:41,571 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 03:48:41" (3/3) ... [2022-07-14 03:48:41,572 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i [2022-07-14 03:48:41,581 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-14 03:48:41,582 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-14 03:48:41,665 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-14 03:48:41,673 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@20c1f4d6, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@28bf310f [2022-07-14 03:48:41,673 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-14 03:48:41,685 INFO L276 IsEmpty]: Start isEmpty. Operand has 3125 states, 2081 states have (on average 1.271984622777511) internal successors, (2647), 2125 states have internal predecessors, (2647), 876 states have call successors, (876), 171 states have call predecessors, (876), 170 states have return successors, (867), 852 states have call predecessors, (867), 867 states have call successors, (867) [2022-07-14 03:48:41,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2022-07-14 03:48:41,721 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:48:41,726 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, 1, 1, 1, 1] [2022-07-14 03:48:41,726 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 03:48:41,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:48:41,730 INFO L85 PathProgramCache]: Analyzing trace with hash -1793120373, now seen corresponding path program 1 times [2022-07-14 03:48:41,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 03:48:41,753 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1412760681] [2022-07-14 03:48:41,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:48:41,753 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 03:48:41,754 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 03:48:41,755 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 03:48:41,756 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 03:48:43,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:48:44,105 INFO L263 TraceCheckSpWp]: Trace formula consists of 3269 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 03:48:44,119 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 03:48:44,349 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 03:48:44,349 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 03:48:44,349 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 03:48:44,350 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1412760681] [2022-07-14 03:48:44,355 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1412760681] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:48:44,355 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:48:44,356 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 03:48:44,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958210908] [2022-07-14 03:48:44,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:48:44,361 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 03:48:44,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 03:48:44,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 03:48:44,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 03:48:44,389 INFO L87 Difference]: Start difference. First operand has 3125 states, 2081 states have (on average 1.271984622777511) internal successors, (2647), 2125 states have internal predecessors, (2647), 876 states have call successors, (876), 171 states have call predecessors, (876), 170 states have return successors, (867), 852 states have call predecessors, (867), 867 states have call successors, (867) 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, (25), 3 states have call predecessors, (25), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-07-14 03:48:45,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:48:45,229 INFO L93 Difference]: Finished difference Result 8727 states and 12375 transitions. [2022-07-14 03:48:45,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 03:48:45,232 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, (25), 3 states have call predecessors, (25), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 228 [2022-07-14 03:48:45,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:48:45,272 INFO L225 Difference]: With dead ends: 8727 [2022-07-14 03:48:45,272 INFO L226 Difference]: Without dead ends: 5561 [2022-07-14 03:48:45,294 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 226 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 03:48:45,296 INFO L413 NwaCegarLoop]: 5008 mSDtfsCounter, 3567 mSDsluCounter, 4211 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3567 SdHoareTripleChecker+Valid, 9219 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-14 03:48:45,297 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3567 Valid, 9219 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-14 03:48:45,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5561 states. [2022-07-14 03:48:45,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5561 to 5558. [2022-07-14 03:48:45,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5558 states, 3728 states have (on average 1.2553648068669527) internal successors, (4680), 3797 states have internal predecessors, (4680), 1511 states have call successors, (1511), 318 states have call predecessors, (1511), 318 states have return successors, (1511), 1490 states have call predecessors, (1511), 1511 states have call successors, (1511) [2022-07-14 03:48:45,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5558 states to 5558 states and 7702 transitions. [2022-07-14 03:48:45,791 INFO L78 Accepts]: Start accepts. Automaton has 5558 states and 7702 transitions. Word has length 228 [2022-07-14 03:48:45,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:48:45,793 INFO L495 AbstractCegarLoop]: Abstraction has 5558 states and 7702 transitions. [2022-07-14 03:48:45,793 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, (25), 3 states have call predecessors, (25), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-07-14 03:48:45,794 INFO L276 IsEmpty]: Start isEmpty. Operand 5558 states and 7702 transitions. [2022-07-14 03:48:45,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2022-07-14 03:48:45,801 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:48:45,802 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, 1, 1, 1, 1, 1] [2022-07-14 03:48:45,878 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-07-14 03:48:46,015 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 03:48:46,016 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 03:48:46,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:48:46,016 INFO L85 PathProgramCache]: Analyzing trace with hash -1914200296, now seen corresponding path program 1 times [2022-07-14 03:48:46,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 03:48:46,019 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [248893962] [2022-07-14 03:48:46,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:48:46,020 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 03:48:46,020 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 03:48:46,028 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 03:48:46,056 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 03:48:48,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:48:48,308 INFO L263 TraceCheckSpWp]: Trace formula consists of 3270 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 03:48:48,315 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 03:48:48,478 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 03:48:48,479 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 03:48:48,479 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 03:48:48,479 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [248893962] [2022-07-14 03:48:48,479 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [248893962] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:48:48,479 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:48:48,479 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 03:48:48,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867349035] [2022-07-14 03:48:48,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:48:48,481 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 03:48:48,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 03:48:48,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 03:48:48,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 03:48:48,482 INFO L87 Difference]: Start difference. First operand 5558 states and 7702 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-07-14 03:48:49,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:48:49,491 INFO L93 Difference]: Finished difference Result 15974 states and 22138 transitions. [2022-07-14 03:48:49,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 03:48:49,492 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 229 [2022-07-14 03:48:49,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:48:49,551 INFO L225 Difference]: With dead ends: 15974 [2022-07-14 03:48:49,552 INFO L226 Difference]: Without dead ends: 10453 [2022-07-14 03:48:49,577 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 227 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 03:48:49,578 INFO L413 NwaCegarLoop]: 6098 mSDtfsCounter, 3869 mSDsluCounter, 4109 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3869 SdHoareTripleChecker+Valid, 10207 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-14 03:48:49,582 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3869 Valid, 10207 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-14 03:48:49,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10453 states. [2022-07-14 03:48:49,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10453 to 10447. [2022-07-14 03:48:49,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10447 states, 6985 states have (on average 1.2506800286327846) internal successors, (8736), 7118 states have internal predecessors, (8736), 2845 states have call successors, (2845), 616 states have call predecessors, (2845), 616 states have return successors, (2845), 2804 states have call predecessors, (2845), 2845 states have call successors, (2845) [2022-07-14 03:48:49,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10447 states to 10447 states and 14426 transitions. [2022-07-14 03:48:49,935 INFO L78 Accepts]: Start accepts. Automaton has 10447 states and 14426 transitions. Word has length 229 [2022-07-14 03:48:49,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:48:49,936 INFO L495 AbstractCegarLoop]: Abstraction has 10447 states and 14426 transitions. [2022-07-14 03:48:49,936 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-07-14 03:48:49,937 INFO L276 IsEmpty]: Start isEmpty. Operand 10447 states and 14426 transitions. [2022-07-14 03:48:49,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2022-07-14 03:48:49,943 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:48:49,944 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 03:48:49,995 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 03:48:50,163 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 03:48:50,164 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 03:48:50,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:48:50,164 INFO L85 PathProgramCache]: Analyzing trace with hash -1195803474, now seen corresponding path program 1 times [2022-07-14 03:48:50,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 03:48:50,168 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1882918994] [2022-07-14 03:48:50,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:48:50,168 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 03:48:50,168 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 03:48:50,169 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 03:48:50,171 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 03:48:52,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:48:52,487 INFO L263 TraceCheckSpWp]: Trace formula consists of 3326 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 03:48:52,494 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 03:48:52,702 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 03:48:52,702 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 03:48:52,702 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 03:48:52,703 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1882918994] [2022-07-14 03:48:52,703 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1882918994] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:48:52,703 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:48:52,703 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 03:48:52,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045986140] [2022-07-14 03:48:52,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:48:52,703 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 03:48:52,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 03:48:52,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 03:48:52,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 03:48:52,704 INFO L87 Difference]: Start difference. First operand 10447 states and 14426 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-07-14 03:48:53,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:48:53,755 INFO L93 Difference]: Finished difference Result 30619 states and 42288 transitions. [2022-07-14 03:48:53,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 03:48:53,756 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 256 [2022-07-14 03:48:53,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:48:53,881 INFO L225 Difference]: With dead ends: 30619 [2022-07-14 03:48:53,882 INFO L226 Difference]: Without dead ends: 20209 [2022-07-14 03:48:53,936 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 255 GetRequests, 254 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 03:48:53,939 INFO L413 NwaCegarLoop]: 6376 mSDtfsCounter, 4026 mSDsluCounter, 4158 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4026 SdHoareTripleChecker+Valid, 10534 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-14 03:48:53,939 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4026 Valid, 10534 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-14 03:48:53,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20209 states. [2022-07-14 03:48:54,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20209 to 20199. [2022-07-14 03:48:54,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20199 states, 13526 states have (on average 1.2501848292178028) internal successors, (16910), 13794 states have internal predecessors, (16910), 5478 states have call successors, (5478), 1194 states have call predecessors, (5478), 1194 states have return successors, (5478), 5393 states have call predecessors, (5478), 5478 states have call successors, (5478) [2022-07-14 03:48:54,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20199 states to 20199 states and 27866 transitions. [2022-07-14 03:48:54,964 INFO L78 Accepts]: Start accepts. Automaton has 20199 states and 27866 transitions. Word has length 256 [2022-07-14 03:48:54,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:48:54,965 INFO L495 AbstractCegarLoop]: Abstraction has 20199 states and 27866 transitions. [2022-07-14 03:48:54,966 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-07-14 03:48:54,966 INFO L276 IsEmpty]: Start isEmpty. Operand 20199 states and 27866 transitions. [2022-07-14 03:48:54,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2022-07-14 03:48:54,976 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:48:54,977 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 16, 16, 16, 16, 16, 16, 3, 3, 3, 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] [2022-07-14 03:48:55,043 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 03:48:55,190 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 03:48:55,191 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 03:48:55,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:48:55,191 INFO L85 PathProgramCache]: Analyzing trace with hash -1044379485, now seen corresponding path program 1 times [2022-07-14 03:48:55,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 03:48:55,194 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [668760525] [2022-07-14 03:48:55,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:48:55,194 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 03:48:55,194 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 03:48:55,200 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 03:48:55,200 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 03:48:57,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:48:57,528 INFO L263 TraceCheckSpWp]: Trace formula consists of 3354 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 03:48:57,533 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 03:48:57,639 INFO L134 CoverageAnalysis]: Checked inductivity of 1194 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 1092 trivial. 0 not checked. [2022-07-14 03:48:57,639 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 03:48:57,639 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 03:48:57,639 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [668760525] [2022-07-14 03:48:57,640 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [668760525] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:48:57,640 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:48:57,640 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 03:48:57,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248622721] [2022-07-14 03:48:57,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:48:57,640 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 03:48:57,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 03:48:57,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 03:48:57,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 03:48:57,641 INFO L87 Difference]: Start difference. First operand 20199 states and 27866 transitions. Second operand has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 3 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-07-14 03:48:58,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:48:58,582 INFO L93 Difference]: Finished difference Result 42037 states and 57920 transitions. [2022-07-14 03:48:58,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 03:48:58,583 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 3 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 276 [2022-07-14 03:48:58,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:48:58,682 INFO L225 Difference]: With dead ends: 42037 [2022-07-14 03:48:58,682 INFO L226 Difference]: Without dead ends: 21875 [2022-07-14 03:48:58,762 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 275 GetRequests, 274 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 03:48:58,763 INFO L413 NwaCegarLoop]: 5069 mSDtfsCounter, 2198 mSDsluCounter, 4153 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2198 SdHoareTripleChecker+Valid, 9222 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-14 03:48:58,763 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2198 Valid, 9222 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-14 03:48:58,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21875 states. [2022-07-14 03:48:59,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21875 to 21873. [2022-07-14 03:48:59,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21873 states, 14668 states have (on average 1.2488410144532316) internal successors, (18318), 14955 states have internal predecessors, (18318), 5892 states have call successors, (5892), 1312 states have call predecessors, (5892), 1312 states have return successors, (5892), 5804 states have call predecessors, (5892), 5892 states have call successors, (5892) [2022-07-14 03:48:59,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21873 states to 21873 states and 30102 transitions. [2022-07-14 03:48:59,660 INFO L78 Accepts]: Start accepts. Automaton has 21873 states and 30102 transitions. Word has length 276 [2022-07-14 03:48:59,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:48:59,661 INFO L495 AbstractCegarLoop]: Abstraction has 21873 states and 30102 transitions. [2022-07-14 03:48:59,661 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 3 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-07-14 03:48:59,661 INFO L276 IsEmpty]: Start isEmpty. Operand 21873 states and 30102 transitions. [2022-07-14 03:48:59,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2022-07-14 03:48:59,674 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:48:59,674 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 16, 16, 16, 16, 16, 16, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 03:48:59,749 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-14 03:48:59,895 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 03:48:59,896 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 03:48:59,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:48:59,897 INFO L85 PathProgramCache]: Analyzing trace with hash -2024781446, now seen corresponding path program 1 times [2022-07-14 03:48:59,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 03:48:59,900 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2046705932] [2022-07-14 03:48:59,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:48:59,900 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 03:48:59,900 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 03:48:59,912 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 03:48:59,960 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 03:49:02,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:49:02,350 INFO L263 TraceCheckSpWp]: Trace formula consists of 3411 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 03:49:02,355 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 03:49:02,725 INFO L134 CoverageAnalysis]: Checked inductivity of 1317 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 1194 trivial. 0 not checked. [2022-07-14 03:49:02,725 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 03:49:02,725 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 03:49:02,725 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2046705932] [2022-07-14 03:49:02,725 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2046705932] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:49:02,726 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:49:02,726 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 03:49:02,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862620244] [2022-07-14 03:49:02,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:49:02,726 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 03:49:02,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 03:49:02,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 03:49:02,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 03:49:02,727 INFO L87 Difference]: Start difference. First operand 21873 states and 30102 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, (33), 3 states have call predecessors, (33), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-07-14 03:49:04,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:49:04,144 INFO L93 Difference]: Finished difference Result 50875 states and 70024 transitions. [2022-07-14 03:49:04,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 03:49:04,145 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, (33), 3 states have call predecessors, (33), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 292 [2022-07-14 03:49:04,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:49:04,335 INFO L225 Difference]: With dead ends: 50875 [2022-07-14 03:49:04,335 INFO L226 Difference]: Without dead ends: 30627 [2022-07-14 03:49:04,385 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 291 GetRequests, 290 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 03:49:04,386 INFO L413 NwaCegarLoop]: 6430 mSDtfsCounter, 3471 mSDsluCounter, 4132 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3471 SdHoareTripleChecker+Valid, 10562 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-14 03:49:04,387 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3471 Valid, 10562 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-14 03:49:04,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30627 states. [2022-07-14 03:49:05,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30627 to 30621. [2022-07-14 03:49:05,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30621 states, 20554 states have (on average 1.247834971295125) internal successors, (25648), 20951 states have internal predecessors, (25648), 8214 states have call successors, (8214), 1852 states have call predecessors, (8214), 1852 states have return successors, (8214), 8091 states have call predecessors, (8214), 8214 states have call successors, (8214) [2022-07-14 03:49:05,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30621 states to 30621 states and 42076 transitions. [2022-07-14 03:49:05,433 INFO L78 Accepts]: Start accepts. Automaton has 30621 states and 42076 transitions. Word has length 292 [2022-07-14 03:49:05,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:49:05,434 INFO L495 AbstractCegarLoop]: Abstraction has 30621 states and 42076 transitions. [2022-07-14 03:49:05,434 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, (33), 3 states have call predecessors, (33), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-07-14 03:49:05,434 INFO L276 IsEmpty]: Start isEmpty. Operand 30621 states and 42076 transitions. [2022-07-14 03:49:05,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2022-07-14 03:49:05,453 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:49:05,453 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 03:49:05,520 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Ended with exit code 0 [2022-07-14 03:49:05,667 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 03:49:05,668 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 03:49:05,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:49:05,668 INFO L85 PathProgramCache]: Analyzing trace with hash -806780456, now seen corresponding path program 1 times [2022-07-14 03:49:05,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 03:49:05,671 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1968126659] [2022-07-14 03:49:05,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:49:05,671 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 03:49:05,671 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 03:49:05,680 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 03:49:05,714 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 03:49:07,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:49:08,064 INFO L263 TraceCheckSpWp]: Trace formula consists of 3479 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 03:49:08,070 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 03:49:08,193 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 03:49:08,194 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 03:49:08,194 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 03:49:08,194 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1968126659] [2022-07-14 03:49:08,194 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1968126659] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:49:08,194 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:49:08,194 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 03:49:08,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338972642] [2022-07-14 03:49:08,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:49:08,195 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 03:49:08,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 03:49:08,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 03:49:08,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 03:49:08,195 INFO L87 Difference]: Start difference. First operand 30621 states and 42076 transitions. Second operand has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 3 states have call successors, (38), 3 states have call predecessors, (38), 3 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-07-14 03:49:09,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:49:09,869 INFO L93 Difference]: Finished difference Result 88073 states and 121094 transitions. [2022-07-14 03:49:09,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 03:49:09,870 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 3 states have call successors, (38), 3 states have call predecessors, (38), 3 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 332 [2022-07-14 03:49:09,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:49:10,148 INFO L225 Difference]: With dead ends: 88073 [2022-07-14 03:49:10,148 INFO L226 Difference]: Without dead ends: 59077 [2022-07-14 03:49:10,247 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 331 GetRequests, 330 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 03:49:10,248 INFO L413 NwaCegarLoop]: 7953 mSDtfsCounter, 4088 mSDsluCounter, 4179 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4088 SdHoareTripleChecker+Valid, 12132 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-14 03:49:10,248 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4088 Valid, 12132 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-14 03:49:10,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59077 states. [2022-07-14 03:49:12,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59077 to 59075. [2022-07-14 03:49:12,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59075 states, 39642 states have (on average 1.2481711316280713) internal successors, (49480), 40397 states have internal predecessors, (49480), 15860 states have call successors, (15860), 3572 states have call predecessors, (15860), 3572 states have return successors, (15860), 15637 states have call predecessors, (15860), 15860 states have call successors, (15860) [2022-07-14 03:49:12,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59075 states to 59075 states and 81200 transitions. [2022-07-14 03:49:12,403 INFO L78 Accepts]: Start accepts. Automaton has 59075 states and 81200 transitions. Word has length 332 [2022-07-14 03:49:12,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:49:12,403 INFO L495 AbstractCegarLoop]: Abstraction has 59075 states and 81200 transitions. [2022-07-14 03:49:12,404 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 3 states have call successors, (38), 3 states have call predecessors, (38), 3 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-07-14 03:49:12,404 INFO L276 IsEmpty]: Start isEmpty. Operand 59075 states and 81200 transitions. [2022-07-14 03:49:12,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2022-07-14 03:49:12,426 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:49:12,427 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 03:49:12,502 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 03:49:12,655 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 03:49:12,656 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 03:49:12,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:49:12,656 INFO L85 PathProgramCache]: Analyzing trace with hash 794290650, now seen corresponding path program 1 times [2022-07-14 03:49:12,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 03:49:12,659 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [407363936] [2022-07-14 03:49:12,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:49:12,660 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 03:49:12,660 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 03:49:12,668 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 03:49:12,704 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 03:49:15,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:49:15,322 INFO L263 TraceCheckSpWp]: Trace formula consists of 3479 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 03:49:15,338 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 03:49:15,468 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 03:49:15,469 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 03:49:15,469 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 03:49:15,469 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [407363936] [2022-07-14 03:49:15,469 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [407363936] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:49:15,469 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:49:15,469 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 03:49:15,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2132773884] [2022-07-14 03:49:15,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:49:15,470 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 03:49:15,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 03:49:15,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 03:49:15,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 03:49:15,471 INFO L87 Difference]: Start difference. First operand 59075 states and 81200 transitions. Second operand has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 3 states have call successors, (38), 3 states have call predecessors, (38), 3 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-07-14 03:49:17,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:49:17,607 INFO L93 Difference]: Finished difference Result 144993 states and 199354 transitions. [2022-07-14 03:49:17,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 03:49:17,608 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 3 states have call successors, (38), 3 states have call predecessors, (38), 3 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 332 [2022-07-14 03:49:17,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:49:18,193 INFO L225 Difference]: With dead ends: 144993 [2022-07-14 03:49:18,194 INFO L226 Difference]: Without dead ends: 87459 [2022-07-14 03:49:18,379 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 331 GetRequests, 330 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 03:49:18,380 INFO L413 NwaCegarLoop]: 8102 mSDtfsCounter, 4083 mSDsluCounter, 4184 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4083 SdHoareTripleChecker+Valid, 12286 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 03:49:18,380 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4083 Valid, 12286 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-14 03:49:18,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87459 states. [2022-07-14 03:49:20,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87459 to 87457. [2022-07-14 03:49:20,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87457 states, 58658 states have (on average 1.248388966551877) internal successors, (73228), 59771 states have internal predecessors, (73228), 23506 states have call successors, (23506), 5292 states have call predecessors, (23506), 5292 states have return successors, (23506), 23183 states have call predecessors, (23506), 23506 states have call successors, (23506) [2022-07-14 03:49:21,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87457 states to 87457 states and 120240 transitions. [2022-07-14 03:49:21,448 INFO L78 Accepts]: Start accepts. Automaton has 87457 states and 120240 transitions. Word has length 332 [2022-07-14 03:49:21,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:49:21,449 INFO L495 AbstractCegarLoop]: Abstraction has 87457 states and 120240 transitions. [2022-07-14 03:49:21,449 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 3 states have call successors, (38), 3 states have call predecessors, (38), 3 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-07-14 03:49:21,449 INFO L276 IsEmpty]: Start isEmpty. Operand 87457 states and 120240 transitions. [2022-07-14 03:49:21,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2022-07-14 03:49:21,537 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:49:21,538 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 03:49:21,619 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 03:49:21,738 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 03:49:21,739 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 03:49:21,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:49:21,739 INFO L85 PathProgramCache]: Analyzing trace with hash 1427563624, now seen corresponding path program 1 times [2022-07-14 03:49:21,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 03:49:21,743 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [767361180] [2022-07-14 03:49:21,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:49:21,743 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 03:49:21,743 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 03:49:21,744 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 03:49:21,748 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 03:49:24,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:49:24,160 INFO L263 TraceCheckSpWp]: Trace formula consists of 3515 conjuncts, 23 conjunts are in the unsatisfiable core [2022-07-14 03:49:24,167 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 03:49:25,637 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 03:49:25,637 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-14 03:49:27,279 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 03:49:27,280 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 03:49:27,280 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [767361180] [2022-07-14 03:49:27,280 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [767361180] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-14 03:49:27,280 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-14 03:49:27,281 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 22 [2022-07-14 03:49:27,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675236100] [2022-07-14 03:49:27,281 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-14 03:49:27,281 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-07-14 03:49:27,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 03:49:27,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-07-14 03:49:27,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=403, Unknown=0, NotChecked=0, Total=462 [2022-07-14 03:49:27,283 INFO L87 Difference]: Start difference. First operand 87457 states and 120240 transitions. Second operand has 22 states, 21 states have (on average 7.428571428571429) internal successors, (156), 20 states have internal predecessors, (156), 6 states have call successors, (53), 3 states have call predecessors, (53), 8 states have return successors, (49), 7 states have call predecessors, (49), 6 states have call successors, (49) [2022-07-14 03:50:17,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:50:17,848 INFO L93 Difference]: Finished difference Result 230279 states and 316590 transitions. [2022-07-14 03:50:17,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-07-14 03:50:17,849 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 7.428571428571429) internal successors, (156), 20 states have internal predecessors, (156), 6 states have call successors, (53), 3 states have call predecessors, (53), 8 states have return successors, (49), 7 states have call predecessors, (49), 6 states have call successors, (49) Word has length 356 [2022-07-14 03:50:17,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:50:18,908 INFO L225 Difference]: With dead ends: 230279 [2022-07-14 03:50:18,908 INFO L226 Difference]: Without dead ends: 144363 [2022-07-14 03:50:19,154 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 724 GetRequests, 691 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 118 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=173, Invalid=1017, Unknown=0, NotChecked=0, Total=1190 [2022-07-14 03:50:19,154 INFO L413 NwaCegarLoop]: 8561 mSDtfsCounter, 13281 mSDsluCounter, 112545 mSDsCounter, 0 mSdLazyCounter, 8842 mSolverCounterSat, 2564 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 41.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13605 SdHoareTripleChecker+Valid, 121106 SdHoareTripleChecker+Invalid, 11406 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.5s SdHoareTripleChecker+Time, 2564 IncrementalHoareTripleChecker+Valid, 8842 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 44.2s IncrementalHoareTripleChecker+Time [2022-07-14 03:50:19,155 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13605 Valid, 121106 Invalid, 11406 Unknown, 0 Unchecked, 0.5s Time], IncrementalHoareTripleChecker [2564 Valid, 8842 Invalid, 0 Unknown, 0 Unchecked, 44.2s Time] [2022-07-14 03:50:19,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144363 states. [2022-07-14 03:50:22,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144363 to 87593. [2022-07-14 03:50:22,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87593 states, 58754 states have (on average 1.24805119651428) internal successors, (73328), 59867 states have internal predecessors, (73328), 23518 states have call successors, (23518), 5320 states have call predecessors, (23518), 5320 states have return successors, (23518), 23195 states have call predecessors, (23518), 23518 states have call successors, (23518) [2022-07-14 03:50:23,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87593 states to 87593 states and 120364 transitions. [2022-07-14 03:50:23,389 INFO L78 Accepts]: Start accepts. Automaton has 87593 states and 120364 transitions. Word has length 356 [2022-07-14 03:50:23,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:50:23,397 INFO L495 AbstractCegarLoop]: Abstraction has 87593 states and 120364 transitions. [2022-07-14 03:50:23,398 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 7.428571428571429) internal successors, (156), 20 states have internal predecessors, (156), 6 states have call successors, (53), 3 states have call predecessors, (53), 8 states have return successors, (49), 7 states have call predecessors, (49), 6 states have call successors, (49) [2022-07-14 03:50:23,398 INFO L276 IsEmpty]: Start isEmpty. Operand 87593 states and 120364 transitions. [2022-07-14 03:50:23,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 368 [2022-07-14 03:50:23,418 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:50:23,419 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 16, 16, 16, 16, 16, 16, 8, 8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:50:23,482 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 03:50:23,635 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 03:50:23,635 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 03:50:23,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:50:23,636 INFO L85 PathProgramCache]: Analyzing trace with hash -758039221, now seen corresponding path program 1 times [2022-07-14 03:50:23,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 03:50:23,639 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1679402179] [2022-07-14 03:50:23,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:50:23,639 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 03:50:23,639 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 03:50:23,640 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 03:50:23,641 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 03:50:25,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:50:26,056 INFO L263 TraceCheckSpWp]: Trace formula consists of 3552 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 03:50:26,062 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 03:50:26,238 INFO L134 CoverageAnalysis]: Checked inductivity of 1555 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 1476 trivial. 0 not checked. [2022-07-14 03:50:26,239 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 03:50:26,239 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 03:50:26,239 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1679402179] [2022-07-14 03:50:26,239 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1679402179] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:50:26,239 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:50:26,239 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 03:50:26,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660891663] [2022-07-14 03:50:26,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:50:26,240 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 03:50:26,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 03:50:26,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 03:50:26,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 03:50:26,240 INFO L87 Difference]: Start difference. First operand 87593 states and 120364 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, (39), 3 states have call predecessors, (39), 3 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-07-14 03:50:30,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:50:30,030 INFO L93 Difference]: Finished difference Result 199423 states and 274040 transitions. [2022-07-14 03:50:30,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 03:50:30,031 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, (39), 3 states have call predecessors, (39), 3 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 367 [2022-07-14 03:50:30,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:50:30,633 INFO L225 Difference]: With dead ends: 199423 [2022-07-14 03:50:30,634 INFO L226 Difference]: Without dead ends: 113455 [2022-07-14 03:50:30,891 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 366 GetRequests, 365 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 03:50:30,892 INFO L413 NwaCegarLoop]: 7687 mSDtfsCounter, 3483 mSDsluCounter, 4139 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3483 SdHoareTripleChecker+Valid, 11826 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-14 03:50:30,892 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3483 Valid, 11826 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-14 03:50:31,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113455 states. [2022-07-14 03:50:34,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113455 to 113449. [2022-07-14 03:50:34,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113449 states, 76136 states have (on average 1.2475307344751498) internal successors, (94982), 77563 states have internal predecessors, (94982), 30388 states have call successors, (30388), 6924 states have call predecessors, (30388), 6924 states have return successors, (30388), 29976 states have call predecessors, (30388), 30388 states have call successors, (30388) [2022-07-14 03:50:35,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113449 states to 113449 states and 155758 transitions. [2022-07-14 03:50:35,374 INFO L78 Accepts]: Start accepts. Automaton has 113449 states and 155758 transitions. Word has length 367 [2022-07-14 03:50:35,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:50:35,375 INFO L495 AbstractCegarLoop]: Abstraction has 113449 states and 155758 transitions. [2022-07-14 03:50:35,375 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, (39), 3 states have call predecessors, (39), 3 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-07-14 03:50:35,375 INFO L276 IsEmpty]: Start isEmpty. Operand 113449 states and 155758 transitions. [2022-07-14 03:50:35,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 368 [2022-07-14 03:50:35,768 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:50:35,769 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 16, 16, 16, 16, 16, 16, 8, 8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:50:35,848 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-07-14 03:50:35,969 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 03:50:35,970 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-14 03:50:35,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:50:35,970 INFO L85 PathProgramCache]: Analyzing trace with hash -773557939, now seen corresponding path program 1 times [2022-07-14 03:50:35,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 03:50:35,973 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1061647093] [2022-07-14 03:50:35,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:50:35,974 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 03:50:35,974 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 03:50:35,976 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 03:50:35,977 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 03:50:38,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:50:38,319 INFO L263 TraceCheckSpWp]: Trace formula consists of 3552 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 03:50:38,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 03:50:38,477 INFO L134 CoverageAnalysis]: Checked inductivity of 1555 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 1476 trivial. 0 not checked. [2022-07-14 03:50:38,478 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 03:50:38,478 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 03:50:38,478 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1061647093] [2022-07-14 03:50:38,478 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1061647093] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:50:38,478 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:50:38,478 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 03:50:38,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069399256] [2022-07-14 03:50:38,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:50:38,479 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 03:50:38,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 03:50:38,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 03:50:38,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 03:50:38,479 INFO L87 Difference]: Start difference. First operand 113449 states and 155758 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, (39), 3 states have call predecessors, (39), 3 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2022-07-14 03:50:43,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:50:43,440 INFO L93 Difference]: Finished difference Result 252728 states and 346958 transitions. [2022-07-14 03:50:43,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 03:50:43,441 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, (39), 3 states have call predecessors, (39), 3 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 367 [2022-07-14 03:50:43,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:50:44,271 INFO L225 Difference]: With dead ends: 252728 [2022-07-14 03:50:44,271 INFO L226 Difference]: Without dead ends: 140904 [2022-07-14 03:50:44,915 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 366 GetRequests, 365 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 03:50:44,917 INFO L413 NwaCegarLoop]: 7728 mSDtfsCounter, 3939 mSDsluCounter, 3742 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3939 SdHoareTripleChecker+Valid, 11470 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-14 03:50:44,917 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3939 Valid, 11470 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-14 03:50:45,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140904 states.