./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 791161d1 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.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 81d3a41c14974620b49988c1780c7d5a75f04674e564d23c865943e8c9fe2089 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 03:57:29,331 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 03:57:29,340 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 03:57:29,390 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 03:57:29,391 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 03:57:29,393 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 03:57:29,395 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 03:57:29,397 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 03:57:29,399 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 03:57:29,403 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 03:57:29,404 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 03:57:29,406 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 03:57:29,407 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 03:57:29,409 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 03:57:29,410 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 03:57:29,413 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 03:57:29,414 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 03:57:29,417 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 03:57:29,419 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 03:57:29,425 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 03:57:29,428 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 03:57:29,429 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 03:57:29,430 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 03:57:29,432 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 03:57:29,433 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 03:57:29,441 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 03:57:29,441 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 03:57:29,441 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 03:57:29,443 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 03:57:29,444 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 03:57:29,445 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 03:57:29,445 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 03:57:29,448 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 03:57:29,449 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 03:57:29,450 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 03:57:29,450 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 03:57:29,451 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 03:57:29,451 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 03:57:29,451 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 03:57:29,452 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 03:57:29,452 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 03:57:29,454 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 03:57:29,455 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-23 03:57:29,486 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 03:57:29,486 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 03:57:29,486 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 03:57:29,487 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 03:57:29,488 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 03:57:29,488 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 03:57:29,488 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 03:57:29,489 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 03:57:29,489 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 03:57:29,490 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 03:57:29,490 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 03:57:29,490 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 03:57:29,490 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 03:57:29,490 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 03:57:29,491 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 03:57:29,491 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 03:57:29,491 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 03:57:29,491 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 03:57:29,491 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 03:57:29,492 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 03:57:29,492 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 03:57:29,492 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 03:57:29,492 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 03:57:29,492 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 03:57:29,493 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 03:57:29,493 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 03:57:29,493 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-23 03:57:29,493 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 03:57:29,493 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 03:57:29,494 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 03:57:29,494 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 81d3a41c14974620b49988c1780c7d5a75f04674e564d23c865943e8c9fe2089 [2022-07-23 03:57:29,702 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 03:57:29,725 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 03:57:29,730 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 03:57:29,731 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 03:57:29,732 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 03:57:29,733 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i [2022-07-23 03:57:29,808 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c7942ee8/282bc1ce34d944029c2a9fba9aa26e08/FLAG8d2f276a8 [2022-07-23 03:57:30,693 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 03:57:30,694 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i [2022-07-23 03:57:30,761 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c7942ee8/282bc1ce34d944029c2a9fba9aa26e08/FLAG8d2f276a8 [2022-07-23 03:57:30,782 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c7942ee8/282bc1ce34d944029c2a9fba9aa26e08 [2022-07-23 03:57:30,790 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 03:57:30,791 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 03:57:30,794 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 03:57:30,794 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 03:57:30,797 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 03:57:30,797 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 03:57:30" (1/1) ... [2022-07-23 03:57:30,798 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34eaddfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:57:30, skipping insertion in model container [2022-07-23 03:57:30,798 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 03:57:30" (1/1) ... [2022-07-23 03:57:30,806 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 03:57:30,945 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 03:57:36,161 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_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[519506,519519] [2022-07-23 03:57:36,164 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_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[519651,519664] [2022-07-23 03:57:36,204 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 03:57:36,285 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 03:57:36,636 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: eecd_reg = eecd_reg & 4294967283U [14520] at de.uni_freiburg.informatik.ultimate.boogie.TypeErrorReporter.report(TypeErrorReporter.java:52) at de.uni_freiburg.informatik.ultimate.boogie.typechecker.TypeCheckHelper.typeCheckBinaryExpression(TypeCheckHelper.java:207) at de.uni_freiburg.informatik.ultimate.boogie.ExpressionFactory.constructBinaryExpression(ExpressionFactory.java:597) at de.uni_freiburg.informatik.ultimate.boogie.ExpressionFactory.newBinaryExpression(ExpressionFactory.java:132) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitabsTranslation.abstractAssign(BitabsTranslation.java:483) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.abstractAssginWithBitwiseOp(IntegerTranslation.java:973) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:737) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1397) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:326) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1470) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:289) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2361) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:601) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:270) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.performMainRun(MainTranslator.java:244) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:206) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-07-23 03:57:36,647 INFO L158 Benchmark]: Toolchain (without parser) took 5854.68ms. Allocated memory was 127.9MB in the beginning and 207.6MB in the end (delta: 79.7MB). Free memory was 92.2MB in the beginning and 104.8MB in the end (delta: -12.7MB). Peak memory consumption was 109.8MB. Max. memory is 16.1GB. [2022-07-23 03:57:36,648 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 96.5MB. Free memory was 53.3MB in the beginning and 53.2MB in the end (delta: 44.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 03:57:36,650 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5851.35ms. Allocated memory was 127.9MB in the beginning and 207.6MB in the end (delta: 79.7MB). Free memory was 92.2MB in the beginning and 104.8MB in the end (delta: -12.7MB). Peak memory consumption was 109.8MB. Max. memory is 16.1GB. [2022-07-23 03:57:36,651 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 96.5MB. Free memory was 53.3MB in the beginning and 53.2MB in the end (delta: 44.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 5851.35ms. Allocated memory was 127.9MB in the beginning and 207.6MB in the end (delta: 79.7MB). Free memory was 92.2MB in the beginning and 104.8MB in the end (delta: -12.7MB). Peak memory consumption was 109.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: TypeCheckException: Type check failed for C: eecd_reg = eecd_reg & 4294967283U [14520] de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: TypeCheckException: Type check failed for C: eecd_reg = eecd_reg & 4294967283U [14520]: 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_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.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 81d3a41c14974620b49988c1780c7d5a75f04674e564d23c865943e8c9fe2089 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 03:57:38,537 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 03:57:38,540 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 03:57:38,579 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 03:57:38,580 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 03:57:38,582 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 03:57:38,585 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 03:57:38,588 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 03:57:38,590 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 03:57:38,599 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 03:57:38,600 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 03:57:38,602 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 03:57:38,602 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 03:57:38,604 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 03:57:38,605 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 03:57:38,610 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 03:57:38,611 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 03:57:38,613 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 03:57:38,614 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 03:57:38,620 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 03:57:38,622 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 03:57:38,623 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 03:57:38,625 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 03:57:38,626 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 03:57:38,627 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 03:57:38,634 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 03:57:38,634 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 03:57:38,635 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 03:57:38,636 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 03:57:38,636 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 03:57:38,637 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 03:57:38,637 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 03:57:38,639 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 03:57:38,640 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 03:57:38,641 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 03:57:38,642 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 03:57:38,642 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 03:57:38,643 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 03:57:38,643 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 03:57:38,643 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 03:57:38,644 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 03:57:38,645 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 03:57:38,652 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-23 03:57:38,686 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 03:57:38,687 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 03:57:38,687 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 03:57:38,687 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 03:57:38,688 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 03:57:38,688 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 03:57:38,689 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 03:57:38,689 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 03:57:38,690 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 03:57:38,690 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 03:57:38,691 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 03:57:38,691 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 03:57:38,691 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 03:57:38,691 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 03:57:38,692 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-23 03:57:38,692 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-23 03:57:38,692 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-23 03:57:38,692 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 03:57:38,692 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 03:57:38,693 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 03:57:38,693 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 03:57:38,693 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 03:57:38,693 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 03:57:38,694 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 03:57:38,694 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 03:57:38,694 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 03:57:38,694 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 03:57:38,694 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-23 03:57:38,695 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-23 03:57:38,695 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 03:57:38,695 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 03:57:38,695 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 03:57:38,696 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-23 03:57:38,696 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 81d3a41c14974620b49988c1780c7d5a75f04674e564d23c865943e8c9fe2089 [2022-07-23 03:57:39,008 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 03:57:39,025 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 03:57:39,027 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 03:57:39,028 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 03:57:39,028 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 03:57:39,030 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i [2022-07-23 03:57:39,091 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4bbc3058e/0a9fcca286bc4291808de274c05385b0/FLAGd63ea6405 [2022-07-23 03:57:39,997 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 03:57:39,998 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i [2022-07-23 03:57:40,064 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4bbc3058e/0a9fcca286bc4291808de274c05385b0/FLAGd63ea6405 [2022-07-23 03:57:40,561 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4bbc3058e/0a9fcca286bc4291808de274c05385b0 [2022-07-23 03:57:40,570 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 03:57:40,571 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 03:57:40,575 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 03:57:40,575 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 03:57:40,578 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 03:57:40,579 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 03:57:40" (1/1) ... [2022-07-23 03:57:40,580 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a471ec6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:57:40, skipping insertion in model container [2022-07-23 03:57:40,580 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 03:57:40" (1/1) ... [2022-07-23 03:57:40,587 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 03:57:40,824 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 03:57:45,791 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_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[519506,519519] [2022-07-23 03:57:45,794 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_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[519651,519664] [2022-07-23 03:57:45,838 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 03:57:45,998 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-23 03:57:46,076 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 03:57:46,499 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_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[519506,519519] [2022-07-23 03:57:46,500 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_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[519651,519664] [2022-07-23 03:57:46,516 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 03:57:46,556 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 03:57:47,109 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_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[519506,519519] [2022-07-23 03:57:47,110 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_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i[519651,519664] [2022-07-23 03:57:47,115 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 03:57:47,461 INFO L208 MainTranslator]: Completed translation [2022-07-23 03:57:47,462 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:57:47 WrapperNode [2022-07-23 03:57:47,462 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 03:57:47,464 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 03:57:47,464 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 03:57:47,464 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 03:57:47,471 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:57:47" (1/1) ... [2022-07-23 03:57:47,649 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:57:47" (1/1) ... [2022-07-23 03:57:48,003 INFO L137 Inliner]: procedures = 588, calls = 6348, calls flagged for inlining = 279, calls inlined = 246, statements flattened = 11901 [2022-07-23 03:57:48,004 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 03:57:48,005 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 03:57:48,005 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 03:57:48,005 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 03:57:48,015 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:57:47" (1/1) ... [2022-07-23 03:57:48,015 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:57:47" (1/1) ... [2022-07-23 03:57:48,084 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:57:47" (1/1) ... [2022-07-23 03:57:48,084 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:57:47" (1/1) ... [2022-07-23 03:57:48,396 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:57:47" (1/1) ... [2022-07-23 03:57:48,432 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:57:47" (1/1) ... [2022-07-23 03:57:48,479 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:57:47" (1/1) ... [2022-07-23 03:57:48,542 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 03:57:48,543 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 03:57:48,543 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 03:57:48,543 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 03:57:48,544 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:57:47" (1/1) ... [2022-07-23 03:57:48,550 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 03:57:48,560 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 03:57:48,579 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-23 03:57:48,595 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-23 03:57:48,623 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-23 03:57:48,623 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-23 03:57:48,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-23 03:57:48,624 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-23 03:57:48,624 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-23 03:57:48,624 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-23 03:57:48,624 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_vfta [2022-07-23 03:57:48,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_vfta [2022-07-23 03:57:48,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-23 03:57:48,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-23 03:57:48,625 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_standby_eeprom [2022-07-23 03:57:48,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_standby_eeprom [2022-07-23 03:57:48,625 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-07-23 03:57:48,625 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-07-23 03:57:48,625 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-23 03:57:48,625 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-23 03:57:48,626 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-07-23 03:57:48,626 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-07-23 03:57:48,626 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-23 03:57:48,626 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-23 03:57:48,626 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_alloc_rx_buffers [2022-07-23 03:57:48,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_alloc_rx_buffers [2022-07-23 03:57:48,626 INFO L130 BoogieDeclarations]: Found specification of procedure mac_addr_valid [2022-07-23 03:57:48,627 INFO L138 BoogieDeclarations]: Found implementation of procedure mac_addr_valid [2022-07-23 03:57:48,627 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_vlan_rx_add_vid [2022-07-23 03:57:48,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_vlan_rx_add_vid [2022-07-23 03:57:48,627 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_free_tx_resources [2022-07-23 03:57:48,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_free_tx_resources [2022-07-23 03:57:48,628 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-07-23 03:57:48,628 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-07-23 03:57:48,628 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_set_multi [2022-07-23 03:57:48,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_set_multi [2022-07-23 03:57:48,628 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-07-23 03:57:48,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-07-23 03:57:48,628 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_rar_set [2022-07-23 03:57:48,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_rar_set [2022-07-23 03:57:48,628 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-23 03:57:48,628 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-23 03:57:48,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-23 03:57:48,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-23 03:57:48,628 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-23 03:57:48,629 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-23 03:57:48,629 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-23 03:57:48,629 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-23 03:57:48,629 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_io_resume [2022-07-23 03:57:48,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_io_resume [2022-07-23 03:57:48,629 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-23 03:57:48,629 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-23 03:57:48,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-23 03:57:48,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-23 03:57:48,629 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-23 03:57:48,629 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-07-23 03:57:48,629 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-07-23 03:57:48,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-23 03:57:48,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-23 03:57:48,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-23 03:57:48,630 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_validate_eeprom_checksum [2022-07-23 03:57:48,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_validate_eeprom_checksum [2022-07-23 03:57:48,630 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-23 03:57:48,630 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-23 03:57:48,630 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_netpoll [2022-07-23 03:57:48,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_netpoll [2022-07-23 03:57:48,630 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-23 03:57:48,630 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-23 03:57:48,630 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_raise_clock [2022-07-23 03:57:48,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_raise_clock [2022-07-23 03:57:48,631 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_eeprom [2022-07-23 03:57:48,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_eeprom [2022-07-23 03:57:48,631 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-23 03:57:48,631 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-23 03:57:48,631 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_identify_xpak_vendor [2022-07-23 03:57:48,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_identify_xpak_vendor [2022-07-23 03:57:48,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-23 03:57:48,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-23 03:57:48,631 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_mac_reset [2022-07-23 03:57:48,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_mac_reset [2022-07-23 03:57:48,631 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_read_eeprom [2022-07-23 03:57:48,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_read_eeprom [2022-07-23 03:57:48,631 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-23 03:57:48,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-23 03:57:48,632 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_free_rx_resources [2022-07-23 03:57:48,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_free_rx_resources [2022-07-23 03:57:48,632 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-23 03:57:48,632 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-23 03:57:48,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-07-23 03:57:48,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-07-23 03:57:48,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-23 03:57:48,632 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-23 03:57:48,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-23 03:57:48,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-23 03:57:48,632 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-07-23 03:57:48,632 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-07-23 03:57:48,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-23 03:57:48,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-23 03:57:48,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-23 03:57:48,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-23 03:57:48,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-23 03:57:48,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-23 03:57:48,633 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_regs_len [2022-07-23 03:57:48,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_regs_len [2022-07-23 03:57:48,633 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-07-23 03:57:48,633 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-07-23 03:57:48,633 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-23 03:57:48,633 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-23 03:57:48,633 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_read_phy_reg [2022-07-23 03:57:48,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_read_phy_reg [2022-07-23 03:57:48,634 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_check_for_link [2022-07-23 03:57:48,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_check_for_link [2022-07-23 03:57:48,634 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_validate_option [2022-07-23 03:57:48,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_validate_option [2022-07-23 03:57:48,634 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-23 03:57:48,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-07-23 03:57:48,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-07-23 03:57:48,634 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-07-23 03:57:48,634 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-07-23 03:57:48,634 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-23 03:57:48,634 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-07-23 03:57:48,634 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-07-23 03:57:48,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-23 03:57:48,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-23 03:57:48,635 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-23 03:57:48,635 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-23 03:57:48,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-23 03:57:48,635 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-23 03:57:48,635 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-23 03:57:48,635 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-23 03:57:48,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-23 03:57:48,635 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-23 03:57:48,635 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_lower_clock [2022-07-23 03:57:48,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_lower_clock [2022-07-23 03:57:48,635 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_reset [2022-07-23 03:57:48,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_reset [2022-07-23 03:57:48,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-07-23 03:57:48,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-07-23 03:57:48,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-07-23 03:57:48,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-07-23 03:57:48,636 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_remove [2022-07-23 03:57:48,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_remove [2022-07-23 03:57:48,636 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-07-23 03:57:48,636 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-07-23 03:57:48,636 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_eeprom_len [2022-07-23 03:57:48,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_eeprom_len [2022-07-23 03:57:48,636 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2022-07-23 03:57:48,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2022-07-23 03:57:48,637 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_up [2022-07-23 03:57:48,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_up [2022-07-23 03:57:48,637 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_irq_enable [2022-07-23 03:57:48,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_irq_enable [2022-07-23 03:57:48,637 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-07-23 03:57:48,637 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-07-23 03:57:48,637 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-23 03:57:48,637 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-23 03:57:48,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-23 03:57:48,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-23 03:57:48,637 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_tx_resources [2022-07-23 03:57:48,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_tx_resources [2022-07-23 03:57:48,637 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_maybe_stop_tx [2022-07-23 03:57:48,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_maybe_stop_tx [2022-07-23 03:57:48,637 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_intr [2022-07-23 03:57:48,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_intr [2022-07-23 03:57:48,638 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-07-23 03:57:48,638 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-07-23 03:57:48,638 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-23 03:57:48,638 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-23 03:57:48,638 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-23 03:57:48,638 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_open [2022-07-23 03:57:48,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_open [2022-07-23 03:57:48,638 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 03:57:48,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 03:57:48,638 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-07-23 03:57:48,638 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-07-23 03:57:48,638 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-23 03:57:48,638 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-23 03:57:48,638 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-23 03:57:48,638 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-23 03:57:48,638 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-23 03:57:48,639 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-23 03:57:48,639 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-23 03:57:48,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-23 03:57:48,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-23 03:57:48,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-23 03:57:48,639 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-23 03:57:48,639 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-23 03:57:48,639 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-07-23 03:57:48,639 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-07-23 03:57:48,639 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_update_stats [2022-07-23 03:57:48,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_update_stats [2022-07-23 03:57:48,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-23 03:57:48,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-23 03:57:48,639 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_check_and_get_eeprom_data [2022-07-23 03:57:48,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_check_and_get_eeprom_data [2022-07-23 03:57:48,640 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-07-23 03:57:48,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-07-23 03:57:48,640 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-23 03:57:48,640 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-23 03:57:48,640 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-23 03:57:48,640 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-23 03:57:48,640 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb_ip_align [2022-07-23 03:57:48,640 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb_ip_align [2022-07-23 03:57:48,640 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_close [2022-07-23 03:57:48,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_close [2022-07-23 03:57:48,640 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-07-23 03:57:48,640 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-07-23 03:57:48,640 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-07-23 03:57:48,640 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-07-23 03:57:48,641 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-23 03:57:48,641 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-23 03:57:48,641 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-07-23 03:57:48,641 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-07-23 03:57:48,641 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-23 03:57:48,641 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-07-23 03:57:48,641 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-07-23 03:57:48,641 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-23 03:57:48,641 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-23 03:57:48,641 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-23 03:57:48,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-23 03:57:48,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-23 03:57:48,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-23 03:57:48,641 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2022-07-23 03:57:48,641 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2022-07-23 03:57:48,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-23 03:57:48,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-23 03:57:48,642 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-07-23 03:57:48,642 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-07-23 03:57:48,642 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-23 03:57:48,642 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-23 03:57:48,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-23 03:57:48,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-23 03:57:48,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-23 03:57:48,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-23 03:57:48,642 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_link_reset [2022-07-23 03:57:48,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_link_reset [2022-07-23 03:57:48,642 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_set_speed_duplex [2022-07-23 03:57:48,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_set_speed_duplex [2022-07-23 03:57:48,642 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-07-23 03:57:48,642 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-07-23 03:57:48,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2022-07-23 03:57:48,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2022-07-23 03:57:48,652 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-23 03:57:48,652 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-23 03:57:48,652 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-23 03:57:48,653 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-23 03:57:48,654 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2022-07-23 03:57:48,654 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2022-07-23 03:57:48,654 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-23 03:57:48,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-23 03:57:48,658 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-23 03:57:48,658 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-23 03:57:48,658 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_unmap_and_free_tx_resource [2022-07-23 03:57:48,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_unmap_and_free_tx_resource [2022-07-23 03:57:48,659 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-07-23 03:57:48,659 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-07-23 03:57:48,659 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-23 03:57:48,659 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-23 03:57:48,659 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_eeprom [2022-07-23 03:57:48,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_eeprom [2022-07-23 03:57:48,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-23 03:57:48,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-23 03:57:48,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-23 03:57:48,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-23 03:57:48,660 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-23 03:57:48,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-23 03:57:48,660 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_write_phy_reg [2022-07-23 03:57:48,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_write_phy_reg [2022-07-23 03:57:48,660 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-23 03:57:48,661 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-23 03:57:48,661 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_ee_mac_addr [2022-07-23 03:57:48,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_ee_mac_addr [2022-07-23 03:57:48,661 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-07-23 03:57:48,661 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-07-23 03:57:48,662 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2022-07-23 03:57:48,662 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2022-07-23 03:57:48,663 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_clean_tx_ring [2022-07-23 03:57:48,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_clean_tx_ring [2022-07-23 03:57:48,663 INFO L130 BoogieDeclarations]: Found specification of procedure is_multicast_ether_addr [2022-07-23 03:57:48,663 INFO L138 BoogieDeclarations]: Found implementation of procedure is_multicast_ether_addr [2022-07-23 03:57:48,663 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-07-23 03:57:48,663 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-07-23 03:57:48,663 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_clean_rx_ring [2022-07-23 03:57:48,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_clean_rx_ring [2022-07-23 03:57:48,664 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_shift_out_bits [2022-07-23 03:57:48,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_shift_out_bits [2022-07-23 03:57:48,664 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_down [2022-07-23 03:57:48,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_down [2022-07-23 03:57:48,664 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_tx_timeout [2022-07-23 03:57:48,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_tx_timeout [2022-07-23 03:57:48,664 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_setup_rx_resources [2022-07-23 03:57:48,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_setup_rx_resources [2022-07-23 03:57:48,665 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-23 03:57:48,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-23 03:57:48,665 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-07-23 03:57:48,665 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-07-23 03:57:48,665 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-07-23 03:57:48,665 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-07-23 03:57:48,665 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-07-23 03:57:48,665 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-07-23 03:57:48,666 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-23 03:57:48,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-23 03:57:48,666 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-07-23 03:57:48,666 INFO L130 BoogieDeclarations]: Found specification of procedure ixgb_get_eeprom_data [2022-07-23 03:57:48,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ixgb_get_eeprom_data [2022-07-23 03:57:49,929 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 03:57:49,946 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 03:57:51,184 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-23 04:00:08,739 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 04:00:08,771 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 04:00:08,772 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-23 04:00:08,777 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 04:00:08 BoogieIcfgContainer [2022-07-23 04:00:08,777 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 04:00:08,779 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-23 04:00:08,779 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-23 04:00:08,782 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-23 04:00:08,782 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 03:57:40" (1/3) ... [2022-07-23 04:00:08,783 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@305eefa1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 04:00:08, skipping insertion in model container [2022-07-23 04:00:08,784 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:57:47" (2/3) ... [2022-07-23 04:00:08,784 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@305eefa1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 04:00:08, skipping insertion in model container [2022-07-23 04:00:08,784 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 04:00:08" (3/3) ... [2022-07-23 04:00:08,785 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-alloc-spinlock_drivers-net-ethernet-intel-ixgb-ixgb.cil.i [2022-07-23 04:00:08,798 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-23 04:00:08,798 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-07-23 04:00:08,903 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-23 04:00:08,909 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@617eecca, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@793d1f97 [2022-07-23 04:00:08,909 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-07-23 04:00:08,922 INFO L276 IsEmpty]: Start isEmpty. Operand has 3089 states, 2061 states have (on average 1.2518195050946144) internal successors, (2580), 2105 states have internal predecessors, (2580), 891 states have call successors, (891), 135 states have call predecessors, (891), 134 states have return successors, (887), 874 states have call predecessors, (887), 887 states have call successors, (887) [2022-07-23 04:00:08,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-07-23 04:00:08,951 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:00:08,953 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 04:00:08,953 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 04:00:08,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:00:08,959 INFO L85 PathProgramCache]: Analyzing trace with hash -1574577654, now seen corresponding path program 1 times [2022-07-23 04:00:08,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 04:00:08,978 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [518906306] [2022-07-23 04:00:08,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:00:08,979 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 04:00:08,980 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 04:00:08,983 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 04:00:08,998 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-23 04:00:13,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:13,691 INFO L263 TraceCheckSpWp]: Trace formula consists of 4374 conjuncts, 30 conjunts are in the unsatisfiable core [2022-07-23 04:00:13,704 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 04:00:16,603 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2022-07-23 04:00:16,604 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 04:00:16,604 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 04:00:16,605 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [518906306] [2022-07-23 04:00:16,605 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [518906306] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:00:16,605 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:00:16,605 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-07-23 04:00:16,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797435525] [2022-07-23 04:00:16,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:00:16,611 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-23 04:00:16,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 04:00:16,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-23 04:00:16,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2022-07-23 04:00:16,643 INFO L87 Difference]: Start difference. First operand has 3089 states, 2061 states have (on average 1.2518195050946144) internal successors, (2580), 2105 states have internal predecessors, (2580), 891 states have call successors, (891), 135 states have call predecessors, (891), 134 states have return successors, (887), 874 states have call predecessors, (887), 887 states have call successors, (887) Second operand has 13 states, 10 states have (on average 8.3) internal successors, (83), 9 states have internal predecessors, (83), 5 states have call successors, (25), 2 states have call predecessors, (25), 5 states have return successors, (21), 6 states have call predecessors, (21), 5 states have call successors, (21) [2022-07-23 04:00:22,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:00:22,070 INFO L93 Difference]: Finished difference Result 6178 states and 8817 transitions. [2022-07-23 04:00:22,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-23 04:00:22,074 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 10 states have (on average 8.3) internal successors, (83), 9 states have internal predecessors, (83), 5 states have call successors, (25), 2 states have call predecessors, (25), 5 states have return successors, (21), 6 states have call predecessors, (21), 5 states have call successors, (21) Word has length 163 [2022-07-23 04:00:22,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:00:22,120 INFO L225 Difference]: With dead ends: 6178 [2022-07-23 04:00:22,120 INFO L226 Difference]: Without dead ends: 3021 [2022-07-23 04:00:22,156 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2022-07-23 04:00:22,163 INFO L413 NwaCegarLoop]: 4325 mSDtfsCounter, 932 mSDsluCounter, 37619 mSDsCounter, 0 mSdLazyCounter, 445 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1216 SdHoareTripleChecker+Valid, 41944 SdHoareTripleChecker+Invalid, 453 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 445 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-07-23 04:00:22,166 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1216 Valid, 41944 Invalid, 453 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8 Valid, 445 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2022-07-23 04:00:22,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3021 states. [2022-07-23 04:00:22,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3021 to 3019. [2022-07-23 04:00:22,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3019 states, 2024 states have (on average 1.240612648221344) internal successors, (2511), 2064 states have internal predecessors, (2511), 861 states have call successors, (861), 132 states have call predecessors, (861), 132 states have return successors, (861), 848 states have call predecessors, (861), 861 states have call successors, (861) [2022-07-23 04:00:22,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3019 states to 3019 states and 4233 transitions. [2022-07-23 04:00:22,488 INFO L78 Accepts]: Start accepts. Automaton has 3019 states and 4233 transitions. Word has length 163 [2022-07-23 04:00:22,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:00:22,491 INFO L495 AbstractCegarLoop]: Abstraction has 3019 states and 4233 transitions. [2022-07-23 04:00:22,491 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 10 states have (on average 8.3) internal successors, (83), 9 states have internal predecessors, (83), 5 states have call successors, (25), 2 states have call predecessors, (25), 5 states have return successors, (21), 6 states have call predecessors, (21), 5 states have call successors, (21) [2022-07-23 04:00:22,492 INFO L276 IsEmpty]: Start isEmpty. Operand 3019 states and 4233 transitions. [2022-07-23 04:00:22,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2022-07-23 04:00:22,509 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:00:22,515 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 04:00:22,635 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-23 04:00:22,727 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 04:00:22,728 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 04:00:22,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:00:22,728 INFO L85 PathProgramCache]: Analyzing trace with hash -946400979, now seen corresponding path program 1 times [2022-07-23 04:00:22,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 04:00:22,735 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [619809210] [2022-07-23 04:00:22,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:00:22,735 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 04:00:22,735 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 04:00:22,737 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 04:00:22,740 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-23 04:00:27,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:27,693 INFO L263 TraceCheckSpWp]: Trace formula consists of 4386 conjuncts, 17 conjunts are in the unsatisfiable core [2022-07-23 04:00:27,701 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 04:00:28,822 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2022-07-23 04:00:28,822 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 04:00:28,823 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 04:00:28,823 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [619809210] [2022-07-23 04:00:28,823 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [619809210] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:00:28,823 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:00:28,823 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-07-23 04:00:28,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614642191] [2022-07-23 04:00:28,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:00:28,825 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-23 04:00:28,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 04:00:28,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-23 04:00:28,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2022-07-23 04:00:28,826 INFO L87 Difference]: Start difference. First operand 3019 states and 4233 transitions. Second operand has 12 states, 11 states have (on average 6.909090909090909) internal successors, (76), 11 states have internal predecessors, (76), 5 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (19), 5 states have call predecessors, (19), 5 states have call successors, (19) [2022-07-23 04:00:35,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:00:35,809 INFO L93 Difference]: Finished difference Result 7763 states and 11052 transitions. [2022-07-23 04:00:35,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-07-23 04:00:35,811 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.909090909090909) internal successors, (76), 11 states have internal predecessors, (76), 5 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (19), 5 states have call predecessors, (19), 5 states have call successors, (19) Word has length 167 [2022-07-23 04:00:35,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:00:35,849 INFO L225 Difference]: With dead ends: 7763 [2022-07-23 04:00:35,849 INFO L226 Difference]: Without dead ends: 4760 [2022-07-23 04:00:35,868 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=90, Invalid=372, Unknown=0, NotChecked=0, Total=462 [2022-07-23 04:00:35,870 INFO L413 NwaCegarLoop]: 5735 mSDtfsCounter, 2465 mSDsluCounter, 53843 mSDsCounter, 0 mSdLazyCounter, 515 mSolverCounterSat, 753 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2709 SdHoareTripleChecker+Valid, 59578 SdHoareTripleChecker+Invalid, 1268 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 753 IncrementalHoareTripleChecker+Valid, 515 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2022-07-23 04:00:35,870 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2709 Valid, 59578 Invalid, 1268 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [753 Valid, 515 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2022-07-23 04:00:35,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4760 states. [2022-07-23 04:00:36,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4760 to 3027. [2022-07-23 04:00:36,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3027 states, 2030 states have (on average 1.2399014778325124) internal successors, (2517), 2070 states have internal predecessors, (2517), 863 states have call successors, (863), 132 states have call predecessors, (863), 132 states have return successors, (863), 850 states have call predecessors, (863), 863 states have call successors, (863) [2022-07-23 04:00:36,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3027 states to 3027 states and 4243 transitions. [2022-07-23 04:00:36,081 INFO L78 Accepts]: Start accepts. Automaton has 3027 states and 4243 transitions. Word has length 167 [2022-07-23 04:00:36,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:00:36,082 INFO L495 AbstractCegarLoop]: Abstraction has 3027 states and 4243 transitions. [2022-07-23 04:00:36,082 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.909090909090909) internal successors, (76), 11 states have internal predecessors, (76), 5 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (19), 5 states have call predecessors, (19), 5 states have call successors, (19) [2022-07-23 04:00:36,083 INFO L276 IsEmpty]: Start isEmpty. Operand 3027 states and 4243 transitions. [2022-07-23 04:00:36,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2022-07-23 04:00:36,087 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:00:36,087 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 04:00:36,200 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-23 04:00:36,315 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 04:00:36,316 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 04:00:36,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:00:36,316 INFO L85 PathProgramCache]: Analyzing trace with hash -412601518, now seen corresponding path program 1 times [2022-07-23 04:00:36,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 04:00:36,321 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [333340105] [2022-07-23 04:00:36,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:00:36,321 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 04:00:36,321 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 04:00:36,323 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 04:00:36,325 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-23 04:00:41,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:41,320 INFO L263 TraceCheckSpWp]: Trace formula consists of 4432 conjuncts, 5 conjunts are in the unsatisfiable core [2022-07-23 04:00:41,327 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 04:00:41,612 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2022-07-23 04:00:41,612 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 04:00:41,613 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 04:00:41,613 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [333340105] [2022-07-23 04:00:41,613 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [333340105] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:00:41,613 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:00:41,613 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 04:00:41,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31895554] [2022-07-23 04:00:41,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:00:41,614 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 04:00:41,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 04:00:41,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 04:00:41,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-23 04:00:41,616 INFO L87 Difference]: Start difference. First operand 3027 states and 4243 transitions. Second operand has 6 states, 6 states have (on average 14.833333333333334) internal successors, (89), 5 states have internal predecessors, (89), 2 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) [2022-07-23 04:00:44,071 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 04:00:44,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:00:44,256 INFO L93 Difference]: Finished difference Result 6143 states and 8623 transitions. [2022-07-23 04:00:44,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-23 04:00:44,257 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.833333333333334) internal successors, (89), 5 states have internal predecessors, (89), 2 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) Word has length 184 [2022-07-23 04:00:44,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:00:44,283 INFO L225 Difference]: With dead ends: 6143 [2022-07-23 04:00:44,284 INFO L226 Difference]: Without dead ends: 3133 [2022-07-23 04:00:44,306 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-23 04:00:44,308 INFO L413 NwaCegarLoop]: 4264 mSDtfsCounter, 98 mSDsluCounter, 16983 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 10 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 21247 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-07-23 04:00:44,310 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 21247 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 37 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-07-23 04:00:44,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3133 states. [2022-07-23 04:00:44,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3133 to 3032. [2022-07-23 04:00:44,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3032 states, 2034 states have (on average 1.2394296951819075) internal successors, (2521), 2074 states have internal predecessors, (2521), 863 states have call successors, (863), 132 states have call predecessors, (863), 133 states have return successors, (865), 851 states have call predecessors, (865), 863 states have call successors, (865) [2022-07-23 04:00:44,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3032 states to 3032 states and 4249 transitions. [2022-07-23 04:00:44,479 INFO L78 Accepts]: Start accepts. Automaton has 3032 states and 4249 transitions. Word has length 184 [2022-07-23 04:00:44,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:00:44,479 INFO L495 AbstractCegarLoop]: Abstraction has 3032 states and 4249 transitions. [2022-07-23 04:00:44,480 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.833333333333334) internal successors, (89), 5 states have internal predecessors, (89), 2 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) [2022-07-23 04:00:44,480 INFO L276 IsEmpty]: Start isEmpty. Operand 3032 states and 4249 transitions. [2022-07-23 04:00:44,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-07-23 04:00:44,486 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:00:44,486 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 04:00:44,608 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-23 04:00:44,701 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 04:00:44,701 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 04:00:44,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:00:44,702 INFO L85 PathProgramCache]: Analyzing trace with hash -1357205182, now seen corresponding path program 1 times [2022-07-23 04:00:44,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 04:00:44,706 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [820427034] [2022-07-23 04:00:44,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:00:44,706 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 04:00:44,706 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 04:00:44,709 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 04:00:44,711 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-23 04:00:49,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 04:00:49,501 INFO L263 TraceCheckSpWp]: Trace formula consists of 4448 conjuncts, 17 conjunts are in the unsatisfiable core [2022-07-23 04:00:49,511 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 04:00:50,864 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2022-07-23 04:00:50,865 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 04:00:50,865 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 04:00:50,865 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [820427034] [2022-07-23 04:00:50,865 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [820427034] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 04:00:50,865 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 04:00:50,866 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-07-23 04:00:50,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986910139] [2022-07-23 04:00:50,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 04:00:50,867 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-23 04:00:50,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 04:00:50,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-23 04:00:50,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2022-07-23 04:00:50,868 INFO L87 Difference]: Start difference. First operand 3032 states and 4249 transitions. Second operand has 13 states, 12 states have (on average 7.666666666666667) internal successors, (92), 12 states have internal predecessors, (92), 6 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (21), 6 states have call predecessors, (21), 6 states have call successors, (21) [2022-07-23 04:00:56,436 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 04:01:01,857 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 04:01:02,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 04:01:02,329 INFO L93 Difference]: Finished difference Result 7797 states and 11096 transitions. [2022-07-23 04:01:02,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-07-23 04:01:02,330 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 7.666666666666667) internal successors, (92), 12 states have internal predecessors, (92), 6 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (21), 6 states have call predecessors, (21), 6 states have call successors, (21) Word has length 187 [2022-07-23 04:01:02,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 04:01:02,377 INFO L225 Difference]: With dead ends: 7797 [2022-07-23 04:01:02,377 INFO L226 Difference]: Without dead ends: 4781 [2022-07-23 04:01:02,399 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=130, Invalid=520, Unknown=0, NotChecked=0, Total=650 [2022-07-23 04:01:02,402 INFO L413 NwaCegarLoop]: 5723 mSDtfsCounter, 2485 mSDsluCounter, 59395 mSDsCounter, 0 mSdLazyCounter, 591 mSolverCounterSat, 796 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2728 SdHoareTripleChecker+Valid, 65118 SdHoareTripleChecker+Invalid, 1389 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 796 IncrementalHoareTripleChecker+Valid, 591 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.3s IncrementalHoareTripleChecker+Time [2022-07-23 04:01:02,403 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2728 Valid, 65118 Invalid, 1389 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [796 Valid, 591 Invalid, 2 Unknown, 0 Unchecked, 9.3s Time] [2022-07-23 04:01:02,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4781 states. [2022-07-23 04:01:02,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4781 to 3032. [2022-07-23 04:01:02,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3032 states, 2034 states have (on average 1.2394296951819075) internal successors, (2521), 2074 states have internal predecessors, (2521), 863 states have call successors, (863), 132 states have call predecessors, (863), 133 states have return successors, (865), 851 states have call predecessors, (865), 863 states have call successors, (865) [2022-07-23 04:01:02,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3032 states to 3032 states and 4249 transitions. [2022-07-23 04:01:02,640 INFO L78 Accepts]: Start accepts. Automaton has 3032 states and 4249 transitions. Word has length 187 [2022-07-23 04:01:02,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 04:01:02,641 INFO L495 AbstractCegarLoop]: Abstraction has 3032 states and 4249 transitions. [2022-07-23 04:01:02,642 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 7.666666666666667) internal successors, (92), 12 states have internal predecessors, (92), 6 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (21), 6 states have call predecessors, (21), 6 states have call successors, (21) [2022-07-23 04:01:02,642 INFO L276 IsEmpty]: Start isEmpty. Operand 3032 states and 4249 transitions. [2022-07-23 04:01:02,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2022-07-23 04:01:02,647 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 04:01:02,648 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 6, 6, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 04:01:02,747 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-23 04:01:02,867 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 04:01:02,868 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_nonatomicErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 04:01:02,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 04:01:02,868 INFO L85 PathProgramCache]: Analyzing trace with hash 990587220, now seen corresponding path program 1 times [2022-07-23 04:01:02,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 04:01:02,872 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [191385847] [2022-07-23 04:01:02,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 04:01:02,873 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 04:01:02,873 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 04:01:02,874 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 04:01:02,875 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process