./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-e1000-e1000.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a602deb-4564-480e-877f-868056cafd62/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a602deb-4564-480e-877f-868056cafd62/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a602deb-4564-480e-877f-868056cafd62/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a602deb-4564-480e-877f-868056cafd62/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-e1000-e1000.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a602deb-4564-480e-877f-868056cafd62/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a602deb-4564-480e-877f-868056cafd62/bin/uautomizer-ug76WZFUDN --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 74909622391d8d6688f7cf92b1187b85ab387a71d6e4222379ac00e3d2b34d56 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 11:36:35,331 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 11:36:35,333 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 11:36:35,356 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 11:36:35,357 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 11:36:35,358 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 11:36:35,360 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 11:36:35,362 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 11:36:35,363 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 11:36:35,365 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 11:36:35,366 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 11:36:35,367 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 11:36:35,368 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 11:36:35,369 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 11:36:35,370 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 11:36:35,372 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 11:36:35,373 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 11:36:35,374 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 11:36:35,376 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 11:36:35,379 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 11:36:35,380 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 11:36:35,382 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 11:36:35,384 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 11:36:35,385 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 11:36:35,389 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 11:36:35,389 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 11:36:35,390 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 11:36:35,391 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 11:36:35,392 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 11:36:35,393 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 11:36:35,394 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 11:36:35,395 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 11:36:35,396 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 11:36:35,397 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 11:36:35,398 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 11:36:35,398 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 11:36:35,399 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 11:36:35,400 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 11:36:35,400 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 11:36:35,401 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 11:36:35,402 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 11:36:35,404 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a602deb-4564-480e-877f-868056cafd62/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-20 11:36:35,428 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 11:36:35,429 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 11:36:35,429 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 11:36:35,430 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 11:36:35,430 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 11:36:35,431 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 11:36:35,432 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 11:36:35,432 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 11:36:35,433 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 11:36:35,433 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 11:36:35,433 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 11:36:35,434 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 11:36:35,434 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 11:36:35,434 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 11:36:35,435 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 11:36:35,435 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 11:36:35,435 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 11:36:35,436 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 11:36:35,436 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 11:36:35,437 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 11:36:35,437 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 11:36:35,437 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:36:35,438 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 11:36:35,438 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 11:36:35,438 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 11:36:35,439 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 11:36:35,439 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 11:36:35,439 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 11:36:35,440 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 11:36:35,440 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 11:36:35,440 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a602deb-4564-480e-877f-868056cafd62/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a602deb-4564-480e-877f-868056cafd62/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 74909622391d8d6688f7cf92b1187b85ab387a71d6e4222379ac00e3d2b34d56 [2022-11-20 11:36:35,724 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 11:36:35,749 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 11:36:35,752 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 11:36:35,754 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 11:36:35,754 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 11:36:35,756 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a602deb-4564-480e-877f-868056cafd62/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-e1000-e1000.cil.i [2022-11-20 11:36:39,112 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 11:36:40,251 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 11:36:40,251 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a602deb-4564-480e-877f-868056cafd62/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-e1000-e1000.cil.i [2022-11-20 11:36:40,349 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a602deb-4564-480e-877f-868056cafd62/bin/uautomizer-ug76WZFUDN/data/414933542/e42403ad4945401887914462a9e1ec04/FLAGca103b0a8 [2022-11-20 11:36:40,372 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a602deb-4564-480e-877f-868056cafd62/bin/uautomizer-ug76WZFUDN/data/414933542/e42403ad4945401887914462a9e1ec04 [2022-11-20 11:36:40,378 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 11:36:40,381 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 11:36:40,386 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 11:36:40,386 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 11:36:40,390 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 11:36:40,391 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:36:40" (1/1) ... [2022-11-20 11:36:40,393 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2eca3be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:36:40, skipping insertion in model container [2022-11-20 11:36:40,393 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:36:40" (1/1) ... [2022-11-20 11:36:40,403 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 11:36:40,714 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 11:36:41,715 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizes.extractIntegerValue(TypeSizes.java:384) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitabsTranslation.abstractShiftRight(BitabsTranslation.java:159) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructBinaryBitwiseIntegerExpression(IntegerTranslation.java:190) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.ExpressionTranslation.constructBinaryBitwiseExpression(ExpressionTranslation.java:131) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CExpressionTranslator.handleBitshiftOperation(CExpressionTranslator.java:418) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:834) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:960) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:279) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:727) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleReturnStatement(FunctionHandler.java:540) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2061) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:193) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1087) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1087) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) 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:1489) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3314) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2388) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:600) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) 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) [2022-11-20 11:36:41,726 INFO L158 Benchmark]: Toolchain (without parser) took 1343.34ms. Allocated memory is still 213.9MB. Free memory was 131.6MB in the beginning and 143.9MB in the end (delta: -12.3MB). Peak memory consumption was 62.0MB. Max. memory is 16.1GB. [2022-11-20 11:36:41,727 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 85.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 11:36:41,727 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1337.79ms. Allocated memory is still 213.9MB. Free memory was 131.0MB in the beginning and 143.9MB in the end (delta: -12.9MB). Peak memory consumption was 62.0MB. Max. memory is 16.1GB. [2022-11-20 11:36:41,730 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 85.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1337.79ms. Allocated memory is still 213.9MB. Free memory was 131.0MB in the beginning and 143.9MB in the end (delta: -12.9MB). Peak memory consumption was 62.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: NullPointerException: null: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizes.extractIntegerValue(TypeSizes.java:384) 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/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a602deb-4564-480e-877f-868056cafd62/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a602deb-4564-480e-877f-868056cafd62/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a602deb-4564-480e-877f-868056cafd62/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a602deb-4564-480e-877f-868056cafd62/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-e1000-e1000.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a602deb-4564-480e-877f-868056cafd62/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a602deb-4564-480e-877f-868056cafd62/bin/uautomizer-ug76WZFUDN --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 74909622391d8d6688f7cf92b1187b85ab387a71d6e4222379ac00e3d2b34d56 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 11:36:44,216 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 11:36:44,219 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 11:36:44,239 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 11:36:44,239 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 11:36:44,240 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 11:36:44,242 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 11:36:44,244 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 11:36:44,245 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 11:36:44,247 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 11:36:44,248 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 11:36:44,249 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 11:36:44,250 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 11:36:44,251 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 11:36:44,252 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 11:36:44,254 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 11:36:44,255 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 11:36:44,256 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 11:36:44,258 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 11:36:44,260 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 11:36:44,262 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 11:36:44,264 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 11:36:44,266 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 11:36:44,267 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 11:36:44,271 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 11:36:44,271 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 11:36:44,272 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 11:36:44,273 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 11:36:44,274 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 11:36:44,275 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 11:36:44,275 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 11:36:44,276 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 11:36:44,277 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 11:36:44,289 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 11:36:44,291 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 11:36:44,295 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 11:36:44,296 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 11:36:44,297 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 11:36:44,298 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 11:36:44,299 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 11:36:44,301 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 11:36:44,302 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a602deb-4564-480e-877f-868056cafd62/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-20 11:36:44,351 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 11:36:44,355 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 11:36:44,356 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 11:36:44,356 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 11:36:44,357 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 11:36:44,357 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 11:36:44,358 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 11:36:44,358 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 11:36:44,359 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 11:36:44,359 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 11:36:44,360 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 11:36:44,360 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 11:36:44,361 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 11:36:44,361 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 11:36:44,361 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 11:36:44,361 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 11:36:44,361 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 11:36:44,362 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 11:36:44,362 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 11:36:44,362 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 11:36:44,362 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 11:36:44,363 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 11:36:44,363 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 11:36:44,363 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:36:44,363 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 11:36:44,364 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 11:36:44,364 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 11:36:44,364 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-20 11:36:44,364 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 11:36:44,365 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 11:36:44,365 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 11:36:44,365 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 11:36:44,366 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 11:36:44,366 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a602deb-4564-480e-877f-868056cafd62/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a602deb-4564-480e-877f-868056cafd62/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 74909622391d8d6688f7cf92b1187b85ab387a71d6e4222379ac00e3d2b34d56 [2022-11-20 11:36:44,766 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 11:36:44,796 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 11:36:44,799 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 11:36:44,800 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 11:36:44,801 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 11:36:44,802 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a602deb-4564-480e-877f-868056cafd62/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-e1000-e1000.cil.i [2022-11-20 11:36:48,067 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 11:36:49,157 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 11:36:49,158 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a602deb-4564-480e-877f-868056cafd62/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-e1000-e1000.cil.i [2022-11-20 11:36:49,276 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a602deb-4564-480e-877f-868056cafd62/bin/uautomizer-ug76WZFUDN/data/b86a64aab/fd12ba6e89c3415eb02bb6ed03d680e9/FLAGd137a1041 [2022-11-20 11:36:49,300 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a602deb-4564-480e-877f-868056cafd62/bin/uautomizer-ug76WZFUDN/data/b86a64aab/fd12ba6e89c3415eb02bb6ed03d680e9 [2022-11-20 11:36:49,305 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 11:36:49,307 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 11:36:49,313 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 11:36:49,313 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 11:36:49,317 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 11:36:49,318 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:36:49" (1/1) ... [2022-11-20 11:36:49,319 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1069da32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:36:49, skipping insertion in model container [2022-11-20 11:36:49,320 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:36:49" (1/1) ... [2022-11-20 11:36:49,328 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 11:36:49,741 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 11:36:59,166 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a602deb-4564-480e-877f-868056cafd62/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-e1000-e1000.cil.i[901789,901802] [2022-11-20 11:36:59,170 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a602deb-4564-480e-877f-868056cafd62/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-e1000-e1000.cil.i[901936,901949] [2022-11-20 11:36:59,171 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a602deb-4564-480e-877f-868056cafd62/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-e1000-e1000.cil.i[902075,902088] [2022-11-20 11:36:59,172 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a602deb-4564-480e-877f-868056cafd62/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-e1000-e1000.cil.i[902233,902246] [2022-11-20 11:36:59,204 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:36:59,277 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-20 11:36:59,488 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 11:37:00,607 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a602deb-4564-480e-877f-868056cafd62/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-e1000-e1000.cil.i[901789,901802] [2022-11-20 11:37:00,608 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a602deb-4564-480e-877f-868056cafd62/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-e1000-e1000.cil.i[901936,901949] [2022-11-20 11:37:00,608 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a602deb-4564-480e-877f-868056cafd62/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-e1000-e1000.cil.i[902075,902088] [2022-11-20 11:37:00,609 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a602deb-4564-480e-877f-868056cafd62/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-e1000-e1000.cil.i[902233,902246] [2022-11-20 11:37:00,618 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:37:00,676 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 11:37:01,804 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a602deb-4564-480e-877f-868056cafd62/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-e1000-e1000.cil.i[901789,901802] [2022-11-20 11:37:01,804 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a602deb-4564-480e-877f-868056cafd62/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-e1000-e1000.cil.i[901936,901949] [2022-11-20 11:37:01,810 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a602deb-4564-480e-877f-868056cafd62/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-e1000-e1000.cil.i[902075,902088] [2022-11-20 11:37:01,811 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a602deb-4564-480e-877f-868056cafd62/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-e1000-e1000.cil.i[902233,902246] [2022-11-20 11:37:01,827 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 11:37:02,301 INFO L208 MainTranslator]: Completed translation [2022-11-20 11:37:02,302 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:37:02 WrapperNode [2022-11-20 11:37:02,302 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 11:37:02,303 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 11:37:02,303 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 11:37:02,304 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 11:37:02,311 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:37:02" (1/1) ... [2022-11-20 11:37:02,598 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:37:02" (1/1) ... [2022-11-20 11:37:03,332 INFO L138 Inliner]: procedures = 741, calls = 16234, calls flagged for inlining = 402, calls inlined = 353, statements flattened = 27844 [2022-11-20 11:37:03,333 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 11:37:03,335 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 11:37:03,336 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 11:37:03,336 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 11:37:03,346 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:37:02" (1/1) ... [2022-11-20 11:37:03,348 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:37:02" (1/1) ... [2022-11-20 11:37:03,592 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:37:02" (1/1) ... [2022-11-20 11:37:03,593 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:37:02" (1/1) ... [2022-11-20 11:37:04,183 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:37:02" (1/1) ... [2022-11-20 11:37:04,266 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:37:02" (1/1) ... [2022-11-20 11:37:04,547 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:37:02" (1/1) ... [2022-11-20 11:37:04,617 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:37:02" (1/1) ... [2022-11-20 11:37:04,809 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 11:37:04,811 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 11:37:04,811 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 11:37:04,811 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 11:37:04,812 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:37:02" (1/1) ... [2022-11-20 11:37:04,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 11:37:04,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a602deb-4564-480e-877f-868056cafd62/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 11:37:04,851 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a602deb-4564-480e-877f-868056cafd62/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 11:37:04,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a602deb-4564-480e-877f-868056cafd62/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 11:37:04,914 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-20 11:37:04,915 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-20 11:37:04,915 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_config_fc_after_link_up [2022-11-20 11:37:04,915 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_config_fc_after_link_up [2022-11-20 11:37:04,915 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2022-11-20 11:37:04,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2022-11-20 11:37:04,916 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_config_collision_dist [2022-11-20 11:37:04,916 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_config_collision_dist [2022-11-20 11:37:04,916 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_raise_ee_clk [2022-11-20 11:37:04,917 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_raise_ee_clk [2022-11-20 11:37:04,917 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2022-11-20 11:37:04,917 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2022-11-20 11:37:04,918 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2022-11-20 11:37:04,918 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2022-11-20 11:37:04,918 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-20 11:37:04,918 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-20 11:37:04,920 INFO L130 BoogieDeclarations]: Found specification of procedure reg_pattern_test [2022-11-20 11:37:04,921 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_pattern_test [2022-11-20 11:37:04,921 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-11-20 11:37:04,922 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-11-20 11:37:04,922 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-20 11:37:04,923 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-20 11:37:04,923 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2022-11-20 11:37:04,923 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2022-11-20 11:37:04,923 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_eeprom [2022-11-20 11:37:04,923 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_eeprom [2022-11-20 11:37:04,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-20 11:37:04,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-20 11:37:04,924 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_release_manageability [2022-11-20 11:37:04,924 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_release_manageability [2022-11-20 11:37:04,925 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_shift_in_ee_bits [2022-11-20 11:37:04,925 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_shift_in_ee_bits [2022-11-20 11:37:04,925 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_down_and_stop [2022-11-20 11:37:04,925 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_down_and_stop [2022-11-20 11:37:04,925 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-20 11:37:04,925 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-20 11:37:04,926 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2022-11-20 11:37:04,926 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2022-11-20 11:37:04,926 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2022-11-20 11:37:04,926 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2022-11-20 11:37:04,926 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_unmap_and_free_tx_resource [2022-11-20 11:37:04,927 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_unmap_and_free_tx_resource [2022-11-20 11:37:04,928 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-20 11:37:04,928 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-20 11:37:04,928 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_get_info [2022-11-20 11:37:04,928 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_get_info [2022-11-20 11:37:04,928 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-20 11:37:04,928 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-20 11:37:04,929 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-20 11:37:04,929 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-20 11:37:04,929 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_do_read_eeprom [2022-11-20 11:37:04,929 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_do_read_eeprom [2022-11-20 11:37:04,929 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_setup_rctl [2022-11-20 11:37:04,929 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_setup_rctl [2022-11-20 11:37:04,930 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-11-20 11:37:04,930 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-11-20 11:37:04,930 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_rar_set [2022-11-20 11:37:04,930 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_rar_set [2022-11-20 11:37:04,930 INFO L130 BoogieDeclarations]: Found specification of procedure skb_set_tail_pointer [2022-11-20 11:37:04,931 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_set_tail_pointer [2022-11-20 11:37:04,931 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-20 11:37:04,932 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-20 11:37:04,932 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_reset [2022-11-20 11:37:04,932 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_reset [2022-11-20 11:37:04,933 INFO L130 BoogieDeclarations]: Found specification of procedure dma_zalloc_coherent [2022-11-20 11:37:04,933 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_zalloc_coherent [2022-11-20 11:37:04,933 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_init_eeprom_params [2022-11-20 11:37:04,933 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_init_eeprom_params [2022-11-20 11:37:04,934 INFO L130 BoogieDeclarations]: Found specification of procedure phys_to_virt [2022-11-20 11:37:04,934 INFO L138 BoogieDeclarations]: Found implementation of procedure phys_to_virt [2022-11-20 11:37:04,934 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-20 11:37:04,934 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-20 11:37:04,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-20 11:37:04,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-20 11:37:04,935 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-20 11:37:04,936 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-20 11:37:04,936 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-20 11:37:04,936 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-20 11:37:04,936 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-20 11:37:04,936 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-20 11:37:04,936 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-20 11:37:04,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-20 11:37:04,937 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-20 11:37:04,937 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-20 11:37:04,937 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-11-20 11:37:04,937 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-11-20 11:37:04,937 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 11:37:04,938 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-20 11:37:04,938 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-20 11:37:04,938 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_phy_reg [2022-11-20 11:37:04,938 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_phy_reg [2022-11-20 11:37:04,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-11-20 11:37:04,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 11:37:04,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-20 11:37:04,939 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_speed_and_duplex [2022-11-20 11:37:04,940 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_speed_and_duplex [2022-11-20 11:37:04,940 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_standby_eeprom [2022-11-20 11:37:04,940 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_standby_eeprom [2022-11-20 11:37:04,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-11-20 11:37:04,940 INFO L130 BoogieDeclarations]: Found specification of procedure find_next_bit [2022-11-20 11:37:04,940 INFO L138 BoogieDeclarations]: Found implementation of procedure find_next_bit [2022-11-20 11:37:04,941 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-11-20 11:37:04,943 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-11-20 11:37:04,946 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_configure_rx [2022-11-20 11:37:04,946 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_configure_rx [2022-11-20 11:37:04,947 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-20 11:37:04,947 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-20 11:37:04,948 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_hw_dev [2022-11-20 11:37:04,948 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_hw_dev [2022-11-20 11:37:04,950 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_update_stats [2022-11-20 11:37:04,950 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_update_stats [2022-11-20 11:37:04,951 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_validate_option [2022-11-20 11:37:04,956 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_validate_option [2022-11-20 11:37:04,956 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-20 11:37:04,956 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-20 11:37:04,956 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-20 11:37:04,957 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-20 11:37:04,957 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_link [2022-11-20 11:37:04,957 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_link [2022-11-20 11:37:04,957 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_irq [2022-11-20 11:37:04,957 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_irq [2022-11-20 11:37:04,958 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2022-11-20 11:37:04,958 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2022-11-20 11:37:04,958 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_setup_link [2022-11-20 11:37:04,958 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_setup_link [2022-11-20 11:37:04,958 INFO L130 BoogieDeclarations]: Found specification of procedure __e1000_vlan_mode [2022-11-20 11:37:04,958 INFO L138 BoogieDeclarations]: Found implementation of procedure __e1000_vlan_mode [2022-11-20 11:37:04,959 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_reset [2022-11-20 11:37:04,959 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_reset [2022-11-20 11:37:04,959 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-20 11:37:04,959 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-20 11:37:04,959 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_config_dsp_after_link_change [2022-11-20 11:37:04,959 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_config_dsp_after_link_change [2022-11-20 11:37:04,960 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-20 11:37:04,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-20 11:37:04,960 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_maybe_stop_tx [2022-11-20 11:37:04,960 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_maybe_stop_tx [2022-11-20 11:37:04,960 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-20 11:37:04,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-20 11:37:04,961 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-20 11:37:04,961 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-20 11:37:04,961 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_shutdown [2022-11-20 11:37:04,961 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_shutdown [2022-11-20 11:37:04,961 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2022-11-20 11:37:04,961 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2022-11-20 11:37:04,961 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_vlan_used [2022-11-20 11:37:04,962 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_vlan_used [2022-11-20 11:37:04,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-20 11:37:04,962 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-20 11:37:04,962 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_disable_receiver [2022-11-20 11:37:04,962 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_disable_receiver [2022-11-20 11:37:04,962 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_vlan_rx_kill_vid [2022-11-20 11:37:04,963 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_vlan_rx_kill_vid [2022-11-20 11:37:04,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-20 11:37:04,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-20 11:37:04,963 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_force_mac_fc [2022-11-20 11:37:04,964 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_force_mac_fc [2022-11-20 11:37:04,964 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-11-20 11:37:04,964 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-11-20 11:37:04,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-20 11:37:04,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-20 11:37:04,965 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2022-11-20 11:37:04,965 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2022-11-20 11:37:04,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-20 11:37:04,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-20 11:37:04,965 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_leave_82542_rst [2022-11-20 11:37:04,965 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_leave_82542_rst [2022-11-20 11:37:04,965 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_has_link [2022-11-20 11:37:04,966 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_has_link [2022-11-20 11:37:04,966 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-11-20 11:37:04,966 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-11-20 11:37:04,966 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-20 11:37:04,966 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-20 11:37:04,966 INFO L130 BoogieDeclarations]: Found specification of procedure __udelay [2022-11-20 11:37:04,967 INFO L138 BoogieDeclarations]: Found implementation of procedure __udelay [2022-11-20 11:37:04,967 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_setup_all_tx_resources [2022-11-20 11:37:04,967 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_setup_all_tx_resources [2022-11-20 11:37:04,967 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2022-11-20 11:37:04,967 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2022-11-20 11:37:04,967 INFO L130 BoogieDeclarations]: Found specification of procedure pci_wake_from_d3 [2022-11-20 11:37:04,968 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_wake_from_d3 [2022-11-20 11:37:04,968 INFO L130 BoogieDeclarations]: Found specification of procedure reg_set_and_check [2022-11-20 11:37:04,968 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_set_and_check [2022-11-20 11:37:04,968 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 11:37:04,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-20 11:37:04,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-20 11:37:04,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-20 11:37:04,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-20 11:37:04,969 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_netpoll [2022-11-20 11:37:04,969 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_netpoll [2022-11-20 11:37:04,969 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-11-20 11:37:04,969 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-11-20 11:37:04,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 11:37:04,970 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-20 11:37:04,970 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-20 11:37:04,970 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-20 11:37:04,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-20 11:37:04,970 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-20 11:37:04,970 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-20 11:37:04,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 11:37:04,971 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_rx_mode [2022-11-20 11:37:04,971 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_rx_mode [2022-11-20 11:37:04,971 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-20 11:37:04,971 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-11-20 11:37:04,971 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-11-20 11:37:04,971 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-11-20 11:37:04,972 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-11-20 11:37:04,972 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-11-20 11:37:04,972 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_open [2022-11-20 11:37:04,972 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_open [2022-11-20 11:37:04,972 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2022-11-20 11:37:04,972 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2022-11-20 11:37:04,973 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_hw_reset [2022-11-20 11:37:04,973 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_hw_reset [2022-11-20 11:37:04,973 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_vfta [2022-11-20 11:37:04,973 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_vfta [2022-11-20 11:37:04,973 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2022-11-20 11:37:04,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2022-11-20 11:37:04,973 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_remove [2022-11-20 11:37:04,974 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_remove [2022-11-20 11:37:04,974 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_shift_out_ee_bits [2022-11-20 11:37:04,974 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_shift_out_ee_bits [2022-11-20 11:37:04,974 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_configure [2022-11-20 11:37:04,974 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_configure [2022-11-20 11:37:04,974 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-20 11:37:04,975 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-20 11:37:04,975 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-11-20 11:37:04,975 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-11-20 11:37:04,975 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-20 11:37:04,976 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-20 11:37:04,981 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_cable_length [2022-11-20 11:37:04,981 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_cable_length [2022-11-20 11:37:04,981 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-20 11:37:04,981 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-20 11:37:04,981 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_lower_ee_clk [2022-11-20 11:37:04,981 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_lower_ee_clk [2022-11-20 11:37:04,982 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_rx_resources [2022-11-20 11:37:04,982 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_rx_resources [2022-11-20 11:37:04,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-20 11:37:04,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-20 11:37:04,985 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_vlan_rx_add_vid [2022-11-20 11:37:04,986 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_vlan_rx_add_vid [2022-11-20 11:37:04,986 INFO L130 BoogieDeclarations]: Found specification of procedure device_can_wakeup [2022-11-20 11:37:04,986 INFO L138 BoogieDeclarations]: Found implementation of procedure device_can_wakeup [2022-11-20 11:37:04,986 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_selected_regions [2022-11-20 11:37:04,986 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_selected_regions [2022-11-20 11:37:04,986 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2022-11-20 11:37:04,987 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2022-11-20 11:37:04,987 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_io_write [2022-11-20 11:37:04,987 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_io_write [2022-11-20 11:37:04,987 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2022-11-20 11:37:04,987 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2022-11-20 11:37:04,987 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_resume [2022-11-20 11:37:04,987 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_resume [2022-11-20 11:37:04,988 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-20 11:37:04,988 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-20 11:37:04,988 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-20 11:37:04,988 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-20 11:37:04,988 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_eeprom [2022-11-20 11:37:04,988 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_eeprom [2022-11-20 11:37:04,988 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_enter_82542_rst [2022-11-20 11:37:04,989 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_enter_82542_rst [2022-11-20 11:37:04,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-11-20 11:37:04,989 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_acquire_eeprom [2022-11-20 11:37:04,989 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_acquire_eeprom [2022-11-20 11:37:04,989 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2022-11-20 11:37:04,989 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2022-11-20 11:37:04,989 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 11:37:04,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 11:37:04,990 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_power_down_phy [2022-11-20 11:37:04,990 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_power_down_phy [2022-11-20 11:37:04,990 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-11-20 11:37:04,990 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-11-20 11:37:04,990 INFO L130 BoogieDeclarations]: Found specification of procedure pci_select_bars [2022-11-20 11:37:04,990 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_select_bars [2022-11-20 11:37:04,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-20 11:37:04,991 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_spi_eeprom_ready [2022-11-20 11:37:04,991 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_spi_eeprom_ready [2022-11-20 11:37:04,991 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_pci_clear_mwi [2022-11-20 11:37:04,991 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_pci_clear_mwi [2022-11-20 11:37:04,991 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-20 11:37:04,991 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-20 11:37:04,992 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_power_up_phy [2022-11-20 11:37:04,992 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_power_up_phy [2022-11-20 11:37:04,992 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-11-20 11:37:04,992 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-20 11:37:04,992 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-20 11:37:04,992 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-11-20 11:37:04,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-20 11:37:04,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-20 11:37:04,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-20 11:37:04,993 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-11-20 11:37:04,993 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-11-20 11:37:04,993 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-11-20 11:37:04,993 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-11-20 11:37:04,993 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_phy_reg_ex [2022-11-20 11:37:04,993 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_phy_reg_ex [2022-11-20 11:37:04,994 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-20 11:37:04,994 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-20 11:37:04,994 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-20 11:37:04,994 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-11-20 11:37:04,994 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-11-20 11:37:04,994 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-20 11:37:04,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-20 11:37:04,995 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_io_resume [2022-11-20 11:37:04,995 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_io_resume [2022-11-20 11:37:04,995 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2022-11-20 11:37:04,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2022-11-20 11:37:04,995 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-11-20 11:37:04,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-11-20 11:37:04,995 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_INT~TO~VOID [2022-11-20 11:37:04,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_INT~TO~VOID [2022-11-20 11:37:04,996 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_polarity [2022-11-20 11:37:04,996 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_polarity [2022-11-20 11:37:04,996 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-20 11:37:04,996 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-20 11:37:04,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-20 11:37:04,996 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-20 11:37:04,997 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-11-20 11:37:04,997 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-11-20 11:37:04,997 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_raise_mdi_clk [2022-11-20 11:37:04,997 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_raise_mdi_clk [2022-11-20 11:37:04,997 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_config_mac_to_phy [2022-11-20 11:37:04,997 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_config_mac_to_phy [2022-11-20 11:37:04,998 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_eeprom_len [2022-11-20 11:37:04,998 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_eeprom_len [2022-11-20 11:37:04,998 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-20 11:37:04,998 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-20 11:37:04,998 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb_ip_align [2022-11-20 11:37:04,998 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb_ip_align [2022-11-20 11:37:04,998 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_setup_all_rx_resources [2022-11-20 11:37:04,999 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_setup_all_rx_resources [2022-11-20 11:37:04,999 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2022-11-20 11:37:04,999 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2022-11-20 11:37:04,999 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-11-20 11:37:04,999 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-11-20 11:37:04,999 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_close [2022-11-20 11:37:04,999 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_close [2022-11-20 11:37:05,000 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_reset_clk_and_crs [2022-11-20 11:37:05,000 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_reset_clk_and_crs [2022-11-20 11:37:05,000 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-11-20 11:37:05,000 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-11-20 11:37:05,000 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-20 11:37:05,000 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-20 11:37:05,000 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-11-20 11:37:05,001 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-11-20 11:37:05,001 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-11-20 11:37:05,001 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-11-20 11:37:05,001 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 11:37:05,001 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-20 11:37:05,001 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-20 11:37:05,001 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-11-20 11:37:05,002 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-11-20 11:37:05,002 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-20 11:37:05,002 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-20 11:37:05,002 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_regs_len [2022-11-20 11:37:05,002 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_regs_len [2022-11-20 11:37:05,002 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 11:37:05,002 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2022-11-20 11:37:05,003 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2022-11-20 11:37:05,003 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-11-20 11:37:05,003 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-11-20 11:37:05,003 INFO L130 BoogieDeclarations]: Found specification of procedure __pskb_pull_tail [2022-11-20 11:37:05,003 INFO L138 BoogieDeclarations]: Found implementation of procedure __pskb_pull_tail [2022-11-20 11:37:05,003 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_all_tx_resources [2022-11-20 11:37:05,004 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_all_tx_resources [2022-11-20 11:37:05,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-11-20 11:37:05,005 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_setup_autoneg [2022-11-20 11:37:05,005 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_setup_autoneg [2022-11-20 11:37:05,005 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_update_mng_vlan [2022-11-20 11:37:05,005 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_update_mng_vlan [2022-11-20 11:37:05,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-20 11:37:05,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-11-20 11:37:05,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-20 11:37:05,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-20 11:37:05,010 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_media_type [2022-11-20 11:37:05,010 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_media_type [2022-11-20 11:37:05,010 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_eeprom [2022-11-20 11:37:05,011 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_eeprom [2022-11-20 11:37:05,011 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_vlan_filter_on_off [2022-11-20 11:37:05,011 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_vlan_filter_on_off [2022-11-20 11:37:05,011 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-11-20 11:37:05,011 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-11-20 11:37:05,011 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_nway_reset [2022-11-20 11:37:05,011 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_nway_reset [2022-11-20 11:37:05,012 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-20 11:37:05,012 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-20 11:37:05,012 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~TO~VOID [2022-11-20 11:37:05,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~TO~VOID [2022-11-20 11:37:05,012 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_phy_loopback [2022-11-20 11:37:05,012 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_phy_loopback [2022-11-20 11:37:05,012 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-20 11:37:05,013 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-20 11:37:05,013 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2022-11-20 11:37:05,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2022-11-20 11:37:05,013 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-20 11:37:05,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-20 11:37:05,013 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-20 11:37:05,013 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-20 11:37:05,014 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_clean_all_rx_rings [2022-11-20 11:37:05,014 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_clean_all_rx_rings [2022-11-20 11:37:05,014 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-11-20 11:37:05,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-11-20 11:37:05,014 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_irq_enable [2022-11-20 11:37:05,014 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_irq_enable [2022-11-20 11:37:05,014 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_up [2022-11-20 11:37:05,015 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_up [2022-11-20 11:37:05,015 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_tx_timeout [2022-11-20 11:37:05,015 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_tx_timeout [2022-11-20 11:37:05,015 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_reinit_locked [2022-11-20 11:37:05,015 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_reinit_locked [2022-11-20 11:37:05,015 INFO L130 BoogieDeclarations]: Found specification of procedure find_first_bit [2022-11-20 11:37:05,015 INFO L138 BoogieDeclarations]: Found implementation of procedure find_first_bit [2022-11-20 11:37:05,016 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_phy_reg [2022-11-20 11:37:05,016 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_phy_reg [2022-11-20 11:37:05,016 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_all_rx_resources [2022-11-20 11:37:05,016 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_all_rx_resources [2022-11-20 11:37:05,016 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_lower_mdi_clk [2022-11-20 11:37:05,016 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_lower_mdi_clk [2022-11-20 11:37:05,016 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-11-20 11:37:05,017 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-11-20 11:37:05,017 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-20 11:37:05,017 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-20 11:37:05,017 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-20 11:37:05,017 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-20 11:37:05,017 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_copper_link_rtl_setup [2022-11-20 11:37:05,017 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_copper_link_rtl_setup [2022-11-20 11:37:05,018 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2022-11-20 11:37:05,018 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2022-11-20 11:37:05,018 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_eeprom [2022-11-20 11:37:05,018 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_eeprom [2022-11-20 11:37:05,018 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_desc_rings [2022-11-20 11:37:05,018 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_desc_rings [2022-11-20 11:37:05,018 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_pci_set_mwi [2022-11-20 11:37:05,018 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_pci_set_mwi [2022-11-20 11:37:05,019 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2022-11-20 11:37:05,019 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2022-11-20 11:37:05,019 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-11-20 11:37:05,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-11-20 11:37:05,019 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-20 11:37:05,019 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-20 11:37:05,019 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_polarity_reversal_workaround [2022-11-20 11:37:05,020 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_polarity_reversal_workaround [2022-11-20 11:37:05,020 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-11-20 11:37:05,020 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-11-20 11:37:05,020 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-20 11:37:05,020 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-20 11:37:05,020 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_link_test [2022-11-20 11:37:05,020 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_link_test [2022-11-20 11:37:05,021 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_shift_out_mdi_bits [2022-11-20 11:37:05,021 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_shift_out_mdi_bits [2022-11-20 11:37:05,021 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_20 [2022-11-20 11:37:05,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_20 [2022-11-20 11:37:05,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-11-20 11:37:05,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-11-20 11:37:05,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-11-20 11:37:05,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-11-20 11:37:05,022 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_64k_bound [2022-11-20 11:37:05,022 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_64k_bound [2022-11-20 11:37:05,022 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-20 11:37:05,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-20 11:37:05,022 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_spd_dplx [2022-11-20 11:37:05,023 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_spd_dplx [2022-11-20 11:37:05,023 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device_mem [2022-11-20 11:37:05,023 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device_mem [2022-11-20 11:37:05,023 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_down [2022-11-20 11:37:05,023 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_down [2022-11-20 11:37:05,023 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-20 11:37:05,023 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-20 11:37:05,023 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_init_script [2022-11-20 11:37:05,024 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_init_script [2022-11-20 11:37:05,024 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-20 11:37:05,024 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-20 11:37:05,024 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2022-11-20 11:37:05,024 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2022-11-20 11:37:05,024 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_request_irq [2022-11-20 11:37:05,024 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_request_irq [2022-11-20 11:37:05,025 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-11-20 11:37:05,025 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-11-20 11:37:05,025 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_release_eeprom [2022-11-20 11:37:05,025 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_release_eeprom [2022-11-20 11:37:05,025 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_reset_hw [2022-11-20 11:37:05,025 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_reset_hw [2022-11-20 11:37:05,025 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_irq_disable [2022-11-20 11:37:05,026 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_irq_disable [2022-11-20 11:37:05,026 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdrlen [2022-11-20 11:37:05,026 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdrlen [2022-11-20 11:37:05,026 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-11-20 11:37:05,026 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-11-20 11:37:05,026 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_clean_tx_ring [2022-11-20 11:37:05,027 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_clean_tx_ring [2022-11-20 11:37:05,027 INFO L130 BoogieDeclarations]: Found specification of procedure __e1000_shutdown [2022-11-20 11:37:05,027 INFO L138 BoogieDeclarations]: Found implementation of procedure __e1000_shutdown [2022-11-20 11:37:05,027 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_tx_resources [2022-11-20 11:37:05,027 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_tx_resources [2022-11-20 11:37:05,027 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-20 11:37:05,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-20 11:37:05,028 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-11-20 11:37:05,028 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-11-20 11:37:05,028 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-11-20 11:37:05,028 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-11-20 11:37:05,028 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_init_manageability [2022-11-20 11:37:05,028 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_init_manageability [2022-11-20 11:37:05,028 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2022-11-20 11:37:05,029 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2022-11-20 11:37:05,029 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-20 11:37:05,029 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-20 11:37:05,029 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_wol_exclusion [2022-11-20 11:37:05,029 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_wol_exclusion [2022-11-20 11:37:05,029 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-20 11:37:05,029 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-20 11:37:05,030 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-11-20 11:37:05,030 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-11-20 11:37:05,030 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_e1000_exit_module_13_2 [2022-11-20 11:37:05,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_e1000_exit_module_13_2 [2022-11-20 11:37:05,030 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-20 11:37:05,030 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-20 11:37:05,030 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2022-11-20 11:37:05,031 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2022-11-20 11:37:05,031 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2022-11-20 11:37:05,031 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_clean_rx_ring [2022-11-20 11:37:05,031 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_clean_rx_ring [2022-11-20 11:37:05,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-20 11:37:05,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-20 11:37:05,031 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-11-20 11:37:07,536 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 11:37:07,542 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 11:37:28,062 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-20 11:43:54,275 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-20 11:43:54,867 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 11:43:54,922 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 11:43:54,922 INFO L300 CfgBuilder]: Removed 9 assume(true) statements. [2022-11-20 11:43:54,933 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:43:54 BoogieIcfgContainer [2022-11-20 11:43:54,933 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 11:43:54,936 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 11:43:54,936 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 11:43:54,939 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 11:43:54,939 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:36:49" (1/3) ... [2022-11-20 11:43:54,940 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b5f5f01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:43:54, skipping insertion in model container [2022-11-20 11:43:54,941 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:37:02" (2/3) ... [2022-11-20 11:43:54,942 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b5f5f01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:43:54, skipping insertion in model container [2022-11-20 11:43:54,942 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:43:54" (3/3) ... [2022-11-20 11:43:54,943 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-usb-dev_drivers-net-ethernet-intel-e1000-e1000.cil.i [2022-11-20 11:43:54,962 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 11:43:54,962 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-20 11:43:55,175 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 11:43:55,193 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=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3cd1570c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 11:43:55,193 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-20 11:43:55,223 INFO L276 IsEmpty]: Start isEmpty. Operand has 8092 states, 5678 states have (on average 1.3439591405424445) internal successors, (7631), 5771 states have internal predecessors, (7631), 2170 states have call successors, (2170), 245 states have call predecessors, (2170), 244 states have return successors, (2164), 2156 states have call predecessors, (2164), 2164 states have call successors, (2164) [2022-11-20 11:43:55,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2022-11-20 11:43:55,267 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:43:55,268 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 23, 23, 23, 23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:43:55,269 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:43:55,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:43:55,274 INFO L85 PathProgramCache]: Analyzing trace with hash -855524172, now seen corresponding path program 1 times [2022-11-20 11:43:55,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:43:55,314 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [751574288] [2022-11-20 11:43:55,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:43:55,315 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:43:55,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a602deb-4564-480e-877f-868056cafd62/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:43:55,321 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a602deb-4564-480e-877f-868056cafd62/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 11:43:55,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a602deb-4564-480e-877f-868056cafd62/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-20 11:44:15,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:44:16,807 INFO L263 TraceCheckSpWp]: Trace formula consists of 10490 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 11:44:16,836 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:44:17,166 INFO L134 CoverageAnalysis]: Checked inductivity of 2346 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 2277 trivial. 0 not checked. [2022-11-20 11:44:17,166 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:44:17,167 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:44:17,167 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [751574288] [2022-11-20 11:44:17,168 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [751574288] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:44:17,168 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:44:17,168 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 11:44:17,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526222275] [2022-11-20 11:44:17,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:44:17,177 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:44:17,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:44:17,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:44:17,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:44:17,247 INFO L87 Difference]: Start difference. First operand has 8092 states, 5678 states have (on average 1.3439591405424445) internal successors, (7631), 5771 states have internal predecessors, (7631), 2170 states have call successors, (2170), 245 states have call predecessors, (2170), 244 states have return successors, (2164), 2156 states have call predecessors, (2164), 2164 states have call successors, (2164) Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-11-20 11:44:18,787 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:44:20,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:44:20,516 INFO L93 Difference]: Finished difference Result 24030 states and 35824 transitions. [2022-11-20 11:44:20,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:44:20,519 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 280 [2022-11-20 11:44:20,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:44:20,740 INFO L225 Difference]: With dead ends: 24030 [2022-11-20 11:44:20,740 INFO L226 Difference]: Without dead ends: 15972 [2022-11-20 11:44:20,847 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 279 GetRequests, 278 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:44:20,853 INFO L413 NwaCegarLoop]: 14016 mSDtfsCounter, 11735 mSDsluCounter, 11826 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11735 SdHoareTripleChecker+Valid, 25842 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-11-20 11:44:20,854 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11735 Valid, 25842 Invalid, 34 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-11-20 11:44:20,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15972 states. [2022-11-20 11:44:22,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15972 to 15970. [2022-11-20 11:44:22,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15970 states, 11202 states have (on average 1.3392251383681486) internal successors, (15002), 11383 states have internal predecessors, (15002), 4281 states have call successors, (4281), 486 states have call predecessors, (4281), 485 states have return successors, (4278), 4262 states have call predecessors, (4278), 4278 states have call successors, (4278) [2022-11-20 11:44:22,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15970 states to 15970 states and 23561 transitions. [2022-11-20 11:44:22,692 INFO L78 Accepts]: Start accepts. Automaton has 15970 states and 23561 transitions. Word has length 280 [2022-11-20 11:44:22,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:44:22,694 INFO L495 AbstractCegarLoop]: Abstraction has 15970 states and 23561 transitions. [2022-11-20 11:44:22,695 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-11-20 11:44:22,695 INFO L276 IsEmpty]: Start isEmpty. Operand 15970 states and 23561 transitions. [2022-11-20 11:44:22,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2022-11-20 11:44:22,709 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:44:22,710 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 23, 23, 23, 23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:44:22,911 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a602deb-4564-480e-877f-868056cafd62/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forcibly destroying the process [2022-11-20 11:44:22,946 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a602deb-4564-480e-877f-868056cafd62/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-20 11:44:22,946 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a602deb-4564-480e-877f-868056cafd62/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:44:22,946 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:44:22,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:44:22,947 INFO L85 PathProgramCache]: Analyzing trace with hash 332742628, now seen corresponding path program 1 times [2022-11-20 11:44:22,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:44:22,968 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [456310923] [2022-11-20 11:44:22,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:44:22,969 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:44:22,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a602deb-4564-480e-877f-868056cafd62/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:44:22,970 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a602deb-4564-480e-877f-868056cafd62/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 11:44:22,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a602deb-4564-480e-877f-868056cafd62/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-20 11:44:42,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:44:42,981 INFO L263 TraceCheckSpWp]: Trace formula consists of 10763 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 11:44:42,992 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:44:43,232 INFO L134 CoverageAnalysis]: Checked inductivity of 2346 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 2277 trivial. 0 not checked. [2022-11-20 11:44:43,232 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:44:43,232 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:44:43,232 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [456310923] [2022-11-20 11:44:43,233 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [456310923] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:44:43,233 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:44:43,233 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 11:44:43,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977068146] [2022-11-20 11:44:43,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:44:43,235 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:44:43,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:44:43,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:44:43,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:44:43,236 INFO L87 Difference]: Start difference. First operand 15970 states and 23561 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-11-20 11:44:44,332 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:44:46,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:44:46,241 INFO L93 Difference]: Finished difference Result 37541 states and 55393 transitions. [2022-11-20 11:44:46,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:44:46,241 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 309 [2022-11-20 11:44:46,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:44:46,464 INFO L225 Difference]: With dead ends: 37541 [2022-11-20 11:44:46,464 INFO L226 Difference]: Without dead ends: 21622 [2022-11-20 11:44:46,592 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 308 GetRequests, 307 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:44:46,593 INFO L413 NwaCegarLoop]: 14071 mSDtfsCounter, 10028 mSDsluCounter, 11792 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10028 SdHoareTripleChecker+Valid, 25863 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-20 11:44:46,595 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10028 Valid, 25863 Invalid, 92 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [19 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-20 11:44:46,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21622 states. [2022-11-20 11:44:48,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21622 to 21615. [2022-11-20 11:44:48,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21615 states, 15105 states have (on average 1.3347236014564714) internal successors, (20161), 15349 states have internal predecessors, (20161), 5855 states have call successors, (5855), 655 states have call predecessors, (5855), 653 states have return successors, (5852), 5825 states have call predecessors, (5852), 5852 states have call successors, (5852) [2022-11-20 11:44:48,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21615 states to 21615 states and 31868 transitions. [2022-11-20 11:44:48,753 INFO L78 Accepts]: Start accepts. Automaton has 21615 states and 31868 transitions. Word has length 309 [2022-11-20 11:44:48,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:44:48,755 INFO L495 AbstractCegarLoop]: Abstraction has 21615 states and 31868 transitions. [2022-11-20 11:44:48,756 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-11-20 11:44:48,756 INFO L276 IsEmpty]: Start isEmpty. Operand 21615 states and 31868 transitions. [2022-11-20 11:44:48,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2022-11-20 11:44:48,771 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:44:48,771 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 23, 23, 23, 23, 23, 23, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:44:48,983 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a602deb-4564-480e-877f-868056cafd62/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-20 11:44:48,995 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a602deb-4564-480e-877f-868056cafd62/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:44:48,995 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:44:48,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:44:48,996 INFO L85 PathProgramCache]: Analyzing trace with hash 895879006, now seen corresponding path program 1 times [2022-11-20 11:44:49,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:44:49,016 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [219101238] [2022-11-20 11:44:49,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:44:49,016 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:44:49,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a602deb-4564-480e-877f-868056cafd62/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:44:49,018 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a602deb-4564-480e-877f-868056cafd62/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 11:44:49,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a602deb-4564-480e-877f-868056cafd62/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-20 11:45:07,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:45:08,651 INFO L263 TraceCheckSpWp]: Trace formula consists of 10616 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 11:45:08,660 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:45:08,845 INFO L134 CoverageAnalysis]: Checked inductivity of 2605 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 2505 trivial. 0 not checked. [2022-11-20 11:45:08,846 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:45:08,846 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:45:08,846 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [219101238] [2022-11-20 11:45:08,846 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [219101238] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:45:08,846 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:45:08,846 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 11:45:08,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966304263] [2022-11-20 11:45:08,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:45:08,847 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:45:08,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:45:08,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:45:08,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:45:08,848 INFO L87 Difference]: Start difference. First operand 21615 states and 31868 transitions. Second operand has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (34), 3 states have call predecessors, (34), 3 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-11-20 11:45:10,036 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:45:11,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:45:11,789 INFO L93 Difference]: Finished difference Result 51113 states and 75374 transitions. [2022-11-20 11:45:11,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:45:11,790 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (34), 3 states have call predecessors, (34), 3 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 338 [2022-11-20 11:45:11,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:45:12,082 INFO L225 Difference]: With dead ends: 51113 [2022-11-20 11:45:12,082 INFO L226 Difference]: Without dead ends: 36297 [2022-11-20 11:45:12,180 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 337 GetRequests, 336 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:45:12,183 INFO L413 NwaCegarLoop]: 21687 mSDtfsCounter, 11691 mSDsluCounter, 11836 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11691 SdHoareTripleChecker+Valid, 33523 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-20 11:45:12,185 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11691 Valid, 33523 Invalid, 30 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-20 11:45:12,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36297 states. [2022-11-20 11:45:15,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36297 to 36295. [2022-11-20 11:45:15,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36295 states, 25384 states have (on average 1.3356051055783171) internal successors, (33903), 25791 states have internal predecessors, (33903), 9811 states have call successors, (9811), 1100 states have call predecessors, (9811), 1098 states have return successors, (9808), 9766 states have call predecessors, (9808), 9808 states have call successors, (9808) [2022-11-20 11:45:15,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36295 states to 36295 states and 53522 transitions. [2022-11-20 11:45:15,957 INFO L78 Accepts]: Start accepts. Automaton has 36295 states and 53522 transitions. Word has length 338 [2022-11-20 11:45:15,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:45:15,958 INFO L495 AbstractCegarLoop]: Abstraction has 36295 states and 53522 transitions. [2022-11-20 11:45:15,959 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (34), 3 states have call predecessors, (34), 3 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-11-20 11:45:15,959 INFO L276 IsEmpty]: Start isEmpty. Operand 36295 states and 53522 transitions. [2022-11-20 11:45:15,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2022-11-20 11:45:15,973 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:45:15,973 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 23, 23, 23, 23, 23, 23, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:45:16,191 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a602deb-4564-480e-877f-868056cafd62/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forcibly destroying the process [2022-11-20 11:45:16,191 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a602deb-4564-480e-877f-868056cafd62/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:45:16,191 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:45:16,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:45:16,192 INFO L85 PathProgramCache]: Analyzing trace with hash 761865500, now seen corresponding path program 1 times [2022-11-20 11:45:16,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:45:16,207 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a602deb-4564-480e-877f-868056cafd62/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-20 11:45:16,212 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1519037380] [2022-11-20 11:45:16,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:45:16,213 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:45:16,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a602deb-4564-480e-877f-868056cafd62/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:45:16,214 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a602deb-4564-480e-877f-868056cafd62/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 11:45:16,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a602deb-4564-480e-877f-868056cafd62/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-20 11:45:34,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:45:35,486 INFO L263 TraceCheckSpWp]: Trace formula consists of 10616 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 11:45:35,497 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:45:38,628 INFO L134 CoverageAnalysis]: Checked inductivity of 2605 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2605 trivial. 0 not checked. [2022-11-20 11:45:38,628 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:45:38,629 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:45:38,629 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1519037380] [2022-11-20 11:45:38,629 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1519037380] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:45:38,629 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:45:38,629 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 11:45:38,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472701097] [2022-11-20 11:45:38,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:45:38,630 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 11:45:38,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:45:38,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 11:45:38,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 11:45:38,631 INFO L87 Difference]: Start difference. First operand 36295 states and 53522 transitions. Second operand has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2022-11-20 11:45:39,905 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:45:41,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:45:41,730 INFO L93 Difference]: Finished difference Result 36295 states and 53522 transitions. [2022-11-20 11:45:41,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 11:45:41,730 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 338 [2022-11-20 11:45:41,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:45:42,003 INFO L225 Difference]: With dead ends: 36295 [2022-11-20 11:45:42,003 INFO L226 Difference]: Without dead ends: 36264 [2022-11-20 11:45:42,038 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 338 GetRequests, 335 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 11:45:42,040 INFO L413 NwaCegarLoop]: 11859 mSDtfsCounter, 11729 mSDsluCounter, 11859 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11729 SdHoareTripleChecker+Valid, 23718 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-20 11:45:42,041 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11729 Valid, 23718 Invalid, 4 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-20 11:45:42,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36264 states. [2022-11-20 11:45:44,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36264 to 36264. [2022-11-20 11:45:44,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36264 states, 25370 states have (on average 1.3355538037051635) internal successors, (33883), 25771 states have internal predecessors, (33883), 9796 states have call successors, (9796), 1097 states have call predecessors, (9796), 1097 states have return successors, (9796), 9758 states have call predecessors, (9796), 9796 states have call successors, (9796) [2022-11-20 11:45:45,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36264 states to 36264 states and 53475 transitions. [2022-11-20 11:45:45,304 INFO L78 Accepts]: Start accepts. Automaton has 36264 states and 53475 transitions. Word has length 338 [2022-11-20 11:45:45,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:45:45,305 INFO L495 AbstractCegarLoop]: Abstraction has 36264 states and 53475 transitions. [2022-11-20 11:45:45,305 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2022-11-20 11:45:45,305 INFO L276 IsEmpty]: Start isEmpty. Operand 36264 states and 53475 transitions. [2022-11-20 11:45:45,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2022-11-20 11:45:45,346 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:45:45,346 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 23, 23, 23, 23, 23, 23, 5, 5, 5, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:45:45,560 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a602deb-4564-480e-877f-868056cafd62/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forcibly destroying the process [2022-11-20 11:45:45,561 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a602deb-4564-480e-877f-868056cafd62/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:45:45,561 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:45:45,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:45:45,562 INFO L85 PathProgramCache]: Analyzing trace with hash 1611969876, now seen corresponding path program 1 times [2022-11-20 11:45:45,579 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a602deb-4564-480e-877f-868056cafd62/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-20 11:45:45,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:45:45,586 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [268576509] [2022-11-20 11:45:45,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:45:45,586 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:45:45,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a602deb-4564-480e-877f-868056cafd62/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:45:45,588 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a602deb-4564-480e-877f-868056cafd62/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 11:45:45,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a602deb-4564-480e-877f-868056cafd62/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-20 11:46:06,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:46:06,908 INFO L263 TraceCheckSpWp]: Trace formula consists of 10906 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 11:46:06,919 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:46:07,396 INFO L134 CoverageAnalysis]: Checked inductivity of 2614 backedges. 181 proven. 0 refuted. 0 times theorem prover too weak. 2433 trivial. 0 not checked. [2022-11-20 11:46:07,396 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:46:07,397 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:46:07,397 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [268576509] [2022-11-20 11:46:07,397 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [268576509] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:46:07,397 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:46:07,398 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 11:46:07,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118108512] [2022-11-20 11:46:07,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:46:07,399 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:46:07,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:46:07,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:46:07,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:46:07,400 INFO L87 Difference]: Start difference. First operand 36264 states and 53475 transitions. Second operand has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 3 states have call successors, (36), 3 states have call predecessors, (36), 3 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2022-11-20 11:46:08,524 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:46:11,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:46:11,239 INFO L93 Difference]: Finished difference Result 79284 states and 116932 transitions. [2022-11-20 11:46:11,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:46:11,240 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 3 states have call successors, (36), 3 states have call predecessors, (36), 3 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) Word has length 375 [2022-11-20 11:46:11,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:46:11,778 INFO L225 Difference]: With dead ends: 79284 [2022-11-20 11:46:11,778 INFO L226 Difference]: Without dead ends: 49819 [2022-11-20 11:46:12,057 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 374 GetRequests, 373 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:46:12,058 INFO L413 NwaCegarLoop]: 21815 mSDtfsCounter, 9981 mSDsluCounter, 11762 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9981 SdHoareTripleChecker+Valid, 33577 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-20 11:46:12,058 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9981 Valid, 33577 Invalid, 88 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [15 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-20 11:46:12,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49819 states. [2022-11-20 11:46:15,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49819 to 49818. [2022-11-20 11:46:15,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49818 states, 34829 states have (on average 1.3347784891900427) internal successors, (46489), 35379 states have internal predecessors, (46489), 13482 states have call successors, (13482), 1506 states have call predecessors, (13482), 1506 states have return successors, (13482), 13429 states have call predecessors, (13482), 13482 states have call successors, (13482) [2022-11-20 11:46:16,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49818 states to 49818 states and 73453 transitions. [2022-11-20 11:46:16,286 INFO L78 Accepts]: Start accepts. Automaton has 49818 states and 73453 transitions. Word has length 375 [2022-11-20 11:46:16,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:46:16,289 INFO L495 AbstractCegarLoop]: Abstraction has 49818 states and 73453 transitions. [2022-11-20 11:46:16,289 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 3 states have call successors, (36), 3 states have call predecessors, (36), 3 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2022-11-20 11:46:16,289 INFO L276 IsEmpty]: Start isEmpty. Operand 49818 states and 73453 transitions. [2022-11-20 11:46:16,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 450 [2022-11-20 11:46:16,418 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:46:16,419 INFO L195 NwaCegarLoop]: trace histogram [29, 29, 23, 23, 23, 23, 23, 23, 9, 9, 9, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:46:16,643 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a602deb-4564-480e-877f-868056cafd62/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forcibly destroying the process [2022-11-20 11:46:16,656 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a602deb-4564-480e-877f-868056cafd62/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-11-20 11:46:16,657 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a602deb-4564-480e-877f-868056cafd62/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:46:16,657 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:46:16,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:46:16,657 INFO L85 PathProgramCache]: Analyzing trace with hash 584247096, now seen corresponding path program 1 times [2022-11-20 11:46:16,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:46:16,675 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [972557964] [2022-11-20 11:46:16,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:46:16,676 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:46:16,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a602deb-4564-480e-877f-868056cafd62/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:46:16,677 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a602deb-4564-480e-877f-868056cafd62/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 11:46:16,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a602deb-4564-480e-877f-868056cafd62/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-11-20 11:46:37,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:46:38,119 INFO L263 TraceCheckSpWp]: Trace formula consists of 11046 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 11:46:38,129 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:46:38,384 INFO L134 CoverageAnalysis]: Checked inductivity of 2918 backedges. 140 proven. 0 refuted. 0 times theorem prover too weak. 2778 trivial. 0 not checked. [2022-11-20 11:46:38,384 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:46:38,384 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:46:38,384 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [972557964] [2022-11-20 11:46:38,385 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [972557964] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:46:38,385 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:46:38,385 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 11:46:38,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522181072] [2022-11-20 11:46:38,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:46:38,386 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 11:46:38,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:46:38,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 11:46:38,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:46:38,388 INFO L87 Difference]: Start difference. First operand 49818 states and 73453 transitions. Second operand has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 3 states have call successors, (42), 3 states have call predecessors, (42), 3 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2022-11-20 11:46:39,550 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:46:42,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:46:42,799 INFO L93 Difference]: Finished difference Result 106386 states and 156874 transitions. [2022-11-20 11:46:42,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 11:46:42,799 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 3 states have call successors, (42), 3 states have call predecessors, (42), 3 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) Word has length 449 [2022-11-20 11:46:42,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:46:43,205 INFO L225 Difference]: With dead ends: 106386 [2022-11-20 11:46:43,206 INFO L226 Difference]: Without dead ends: 63367 [2022-11-20 11:46:43,676 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 448 GetRequests, 447 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 11:46:43,677 INFO L413 NwaCegarLoop]: 21837 mSDtfsCounter, 9998 mSDsluCounter, 11769 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9998 SdHoareTripleChecker+Valid, 33606 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-20 11:46:43,678 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9998 Valid, 33606 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-20 11:46:43,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63367 states. [2022-11-20 11:46:48,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63367 to 63366. [2022-11-20 11:46:48,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63366 states, 44282 states have (on average 1.334379657648706) internal successors, (59089), 44981 states have internal predecessors, (59089), 17168 states have call successors, (17168), 1915 states have call predecessors, (17168), 1915 states have return successors, (17168), 17100 states have call predecessors, (17168), 17168 states have call successors, (17168) [2022-11-20 11:46:49,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63366 states to 63366 states and 93425 transitions. [2022-11-20 11:46:49,035 INFO L78 Accepts]: Start accepts. Automaton has 63366 states and 93425 transitions. Word has length 449 [2022-11-20 11:46:49,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:46:49,036 INFO L495 AbstractCegarLoop]: Abstraction has 63366 states and 93425 transitions. [2022-11-20 11:46:49,037 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.666666666666664) internal successors, (143), 3 states have internal predecessors, (143), 3 states have call successors, (42), 3 states have call predecessors, (42), 3 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2022-11-20 11:46:49,037 INFO L276 IsEmpty]: Start isEmpty. Operand 63366 states and 93425 transitions. [2022-11-20 11:46:49,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 450 [2022-11-20 11:46:49,129 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 11:46:49,130 INFO L195 NwaCegarLoop]: trace histogram [29, 29, 23, 23, 23, 23, 23, 23, 9, 9, 9, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 11:46:49,351 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a602deb-4564-480e-877f-868056cafd62/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forcibly destroying the process [2022-11-20 11:46:49,354 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a602deb-4564-480e-877f-868056cafd62/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-11-20 11:46:49,355 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a602deb-4564-480e-877f-868056cafd62/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:46:49,356 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 11:46:49,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 11:46:49,357 INFO L85 PathProgramCache]: Analyzing trace with hash 1028147770, now seen corresponding path program 1 times [2022-11-20 11:46:49,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 11:46:49,366 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [619234555] [2022-11-20 11:46:49,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 11:46:49,366 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:46:49,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a602deb-4564-480e-877f-868056cafd62/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 11:46:49,367 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a602deb-4564-480e-877f-868056cafd62/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 11:46:49,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a602deb-4564-480e-877f-868056cafd62/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-11-20 11:47:11,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 11:47:12,359 INFO L263 TraceCheckSpWp]: Trace formula consists of 11046 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 11:47:12,371 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 11:47:16,438 INFO L134 CoverageAnalysis]: Checked inductivity of 2918 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2918 trivial. 0 not checked. [2022-11-20 11:47:16,438 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 11:47:16,438 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 11:47:16,438 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [619234555] [2022-11-20 11:47:16,439 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [619234555] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 11:47:16,439 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 11:47:16,439 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 11:47:16,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285121878] [2022-11-20 11:47:16,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 11:47:16,442 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 11:47:16,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 11:47:16,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 11:47:16,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 11:47:16,444 INFO L87 Difference]: Start difference. First operand 63366 states and 93425 transitions. Second operand has 4 states, 4 states have (on average 29.75) internal successors, (119), 4 states have internal predecessors, (119), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2022-11-20 11:47:17,653 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 11:47:26,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 11:47:26,996 INFO L93 Difference]: Finished difference Result 77797 states and 115654 transitions. [2022-11-20 11:47:26,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 11:47:26,997 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 29.75) internal successors, (119), 4 states have internal predecessors, (119), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) Word has length 449 [2022-11-20 11:47:26,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 11:47:27,010 INFO L225 Difference]: With dead ends: 77797 [2022-11-20 11:47:27,011 INFO L226 Difference]: Without dead ends: 0 [2022-11-20 11:47:27,320 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 449 GetRequests, 446 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 11:47:27,320 INFO L413 NwaCegarLoop]: 14878 mSDtfsCounter, 14679 mSDsluCounter, 12429 mSDsCounter, 0 mSdLazyCounter, 604 mSolverCounterSat, 602 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14679 SdHoareTripleChecker+Valid, 27307 SdHoareTripleChecker+Invalid, 1206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 602 IncrementalHoareTripleChecker+Valid, 604 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2022-11-20 11:47:27,321 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14679 Valid, 27307 Invalid, 1206 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [602 Valid, 604 Invalid, 0 Unknown, 0 Unchecked, 6.5s Time] [2022-11-20 11:47:27,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-20 11:47:27,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-20 11:47:27,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 11:47:27,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-20 11:47:27,336 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 449 [2022-11-20 11:47:27,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 11:47:27,336 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 11:47:27,337 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 29.75) internal successors, (119), 4 states have internal predecessors, (119), 1 states have call successors, (41), 1 states have call predecessors, (41), 1 states have return successors, (41), 1 states have call predecessors, (41), 1 states have call successors, (41) [2022-11-20 11:47:27,337 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-20 11:47:27,337 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 11:47:27,339 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ldv_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2022-11-20 11:47:27,340 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining) [2022-11-20 11:47:27,512 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a602deb-4564-480e-877f-868056cafd62/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-11-20 11:47:27,540 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2a602deb-4564-480e-877f-868056cafd62/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 11:47:27,543 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.