./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-realtek-r8169.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7e70badd Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04d85f87-8e3f-4a6f-b9dd-929233939e30/bin/uautomizer-wIGwrQj20G/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04d85f87-8e3f-4a6f-b9dd-929233939e30/bin/uautomizer-wIGwrQj20G/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04d85f87-8e3f-4a6f-b9dd-929233939e30/bin/uautomizer-wIGwrQj20G/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04d85f87-8e3f-4a6f-b9dd-929233939e30/bin/uautomizer-wIGwrQj20G/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-realtek-r8169.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04d85f87-8e3f-4a6f-b9dd-929233939e30/bin/uautomizer-wIGwrQj20G/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04d85f87-8e3f-4a6f-b9dd-929233939e30/bin/uautomizer-wIGwrQj20G --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 f875a16ddd06dee7c86e5a3e88b41612f791fdd24738f7d7575222dae4708705 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-7e70bad [2021-11-23 12:37:50,164 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 12:37:50,167 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 12:37:50,237 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 12:37:50,238 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 12:37:50,244 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 12:37:50,246 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 12:37:50,251 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 12:37:50,254 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 12:37:50,263 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 12:37:50,264 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 12:37:50,267 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 12:37:50,267 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 12:37:50,271 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 12:37:50,273 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 12:37:50,282 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 12:37:50,283 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 12:37:50,285 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 12:37:50,287 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 12:37:50,290 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 12:37:50,292 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 12:37:50,294 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 12:37:50,295 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 12:37:50,297 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 12:37:50,300 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 12:37:50,301 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 12:37:50,301 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 12:37:50,303 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 12:37:50,303 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 12:37:50,304 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 12:37:50,305 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 12:37:50,306 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 12:37:50,307 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 12:37:50,308 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 12:37:50,309 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 12:37:50,310 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 12:37:50,311 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 12:37:50,311 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 12:37:50,311 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 12:37:50,313 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 12:37:50,314 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 12:37:50,315 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04d85f87-8e3f-4a6f-b9dd-929233939e30/bin/uautomizer-wIGwrQj20G/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-23 12:37:50,342 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 12:37:50,343 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 12:37:50,343 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 12:37:50,343 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 12:37:50,345 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 12:37:50,345 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 12:37:50,345 INFO L138 SettingsManager]: * Use SBE=true [2021-11-23 12:37:50,346 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 12:37:50,346 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 12:37:50,346 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 12:37:50,346 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 12:37:50,347 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 12:37:50,347 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 12:37:50,347 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 12:37:50,347 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 12:37:50,347 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 12:37:50,348 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 12:37:50,348 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 12:37:50,348 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 12:37:50,348 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 12:37:50,349 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 12:37:50,349 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 12:37:50,349 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 12:37:50,350 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-23 12:37:50,350 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 12:37:50,350 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-23 12:37:50,350 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-23 12:37:50,351 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 12:37:50,351 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 12:37:50,351 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_04d85f87-8e3f-4a6f-b9dd-929233939e30/bin/uautomizer-wIGwrQj20G/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04d85f87-8e3f-4a6f-b9dd-929233939e30/bin/uautomizer-wIGwrQj20G Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f875a16ddd06dee7c86e5a3e88b41612f791fdd24738f7d7575222dae4708705 [2021-11-23 12:37:50,645 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 12:37:50,682 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 12:37:50,686 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 12:37:50,688 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 12:37:50,689 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 12:37:50,691 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04d85f87-8e3f-4a6f-b9dd-929233939e30/bin/uautomizer-wIGwrQj20G/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-realtek-r8169.cil.i [2021-11-23 12:37:50,777 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04d85f87-8e3f-4a6f-b9dd-929233939e30/bin/uautomizer-wIGwrQj20G/data/df95e77ff/7c431c86e6db43e8a6990767e2516994/FLAGf214a86d3 [2021-11-23 12:37:52,221 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 12:37:52,222 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04d85f87-8e3f-4a6f-b9dd-929233939e30/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-realtek-r8169.cil.i [2021-11-23 12:37:52,345 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04d85f87-8e3f-4a6f-b9dd-929233939e30/bin/uautomizer-wIGwrQj20G/data/df95e77ff/7c431c86e6db43e8a6990767e2516994/FLAGf214a86d3 [2021-11-23 12:37:52,742 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04d85f87-8e3f-4a6f-b9dd-929233939e30/bin/uautomizer-wIGwrQj20G/data/df95e77ff/7c431c86e6db43e8a6990767e2516994 [2021-11-23 12:37:52,745 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 12:37:52,747 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 12:37:52,749 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 12:37:52,749 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 12:37:52,754 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 12:37:52,755 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:37:52" (1/1) ... [2021-11-23 12:37:52,757 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b614c1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:52, skipping insertion in model container [2021-11-23 12:37:52,757 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:37:52" (1/1) ... [2021-11-23 12:37:52,766 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 12:37:53,012 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 12:38:02,309 WARN L230 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_04d85f87-8e3f-4a6f-b9dd-929233939e30/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-realtek-r8169.cil.i[666434,666447] [2021-11-23 12:38:02,313 WARN L230 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_04d85f87-8e3f-4a6f-b9dd-929233939e30/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-realtek-r8169.cil.i[666600,666613] [2021-11-23 12:38:02,314 WARN L230 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_04d85f87-8e3f-4a6f-b9dd-929233939e30/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-realtek-r8169.cil.i[666764,666777] [2021-11-23 12:38:02,315 WARN L230 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_04d85f87-8e3f-4a6f-b9dd-929233939e30/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-realtek-r8169.cil.i[666929,666942] [2021-11-23 12:38:02,371 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 12:38:02,472 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 12:38:03,399 WARN L230 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_04d85f87-8e3f-4a6f-b9dd-929233939e30/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-realtek-r8169.cil.i[666434,666447] [2021-11-23 12:38:03,400 WARN L230 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_04d85f87-8e3f-4a6f-b9dd-929233939e30/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-realtek-r8169.cil.i[666600,666613] [2021-11-23 12:38:03,401 WARN L230 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_04d85f87-8e3f-4a6f-b9dd-929233939e30/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-realtek-r8169.cil.i[666764,666777] [2021-11-23 12:38:03,401 WARN L230 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_04d85f87-8e3f-4a6f-b9dd-929233939e30/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-realtek-r8169.cil.i[666929,666942] [2021-11-23 12:38:03,412 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 12:38:03,810 INFO L208 MainTranslator]: Completed translation [2021-11-23 12:38:03,811 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:38:03 WrapperNode [2021-11-23 12:38:03,811 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 12:38:03,812 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 12:38:03,812 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 12:38:03,812 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 12:38:03,821 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:38:03" (1/1) ... [2021-11-23 12:38:04,041 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:38:03" (1/1) ... [2021-11-23 12:38:05,294 INFO L137 Inliner]: procedures = 870, calls = 6060, calls flagged for inlining = 1652, calls inlined = 3302, statements flattened = 40135 [2021-11-23 12:38:05,295 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 12:38:05,296 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 12:38:05,297 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 12:38:05,297 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 12:38:05,320 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:38:03" (1/1) ... [2021-11-23 12:38:05,321 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:38:03" (1/1) ... [2021-11-23 12:38:05,582 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:38:03" (1/1) ... [2021-11-23 12:38:05,583 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:38:03" (1/1) ... [2021-11-23 12:38:06,542 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:38:03" (1/1) ... [2021-11-23 12:38:06,692 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:38:03" (1/1) ... [2021-11-23 12:38:07,126 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:38:03" (1/1) ... [2021-11-23 12:38:07,308 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 12:38:07,310 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 12:38:07,310 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 12:38:07,311 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 12:38:07,312 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:38:03" (1/1) ... [2021-11-23 12:38:07,321 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 12:38:07,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04d85f87-8e3f-4a6f-b9dd-929233939e30/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 12:38:07,349 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04d85f87-8e3f-4a6f-b9dd-929233939e30/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 12:38:07,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04d85f87-8e3f-4a6f-b9dd-929233939e30/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 12:38:07,398 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8168c_2_hw_phy_config [2021-11-23 12:38:07,398 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8168c_2_hw_phy_config [2021-11-23 12:38:07,398 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8168f_2_hw_phy_config [2021-11-23 12:38:07,398 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8168f_2_hw_phy_config [2021-11-23 12:38:07,399 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8169_xmii_reset_enable [2021-11-23 12:38:07,399 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8169_xmii_reset_enable [2021-11-23 12:38:07,399 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_patchphy [2021-11-23 12:38:07,399 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_patchphy [2021-11-23 12:38:07,399 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8169scd_hw_phy_config [2021-11-23 12:38:07,399 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8169scd_hw_phy_config [2021-11-23 12:38:07,400 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_phy_work [2021-11-23 12:38:07,400 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_phy_work [2021-11-23 12:38:07,400 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_remove_one [2021-11-23 12:38:07,400 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_remove_one [2021-11-23 12:38:07,401 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8169_down [2021-11-23 12:38:07,401 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8169_down [2021-11-23 12:38:07,401 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8169_close [2021-11-23 12:38:07,401 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8169_close [2021-11-23 12:38:07,401 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_hw_reset [2021-11-23 12:38:07,401 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_hw_reset [2021-11-23 12:38:07,401 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_eri_write [2021-11-23 12:38:07,402 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_eri_write [2021-11-23 12:38:07,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_26 [2021-11-23 12:38:07,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_26 [2021-11-23 12:38:07,402 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_generic_op [2021-11-23 12:38:07,402 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_generic_op [2021-11-23 12:38:07,403 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8168c_3_hw_phy_config [2021-11-23 12:38:07,403 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8168c_3_hw_phy_config [2021-11-23 12:38:07,403 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8168_driver_stop [2021-11-23 12:38:07,403 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8168_driver_stop [2021-11-23 12:38:07,403 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8106e_hw_phy_config [2021-11-23 12:38:07,403 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8106e_hw_phy_config [2021-11-23 12:38:07,403 INFO L130 BoogieDeclarations]: Found specification of procedure r8169_mdio_read [2021-11-23 12:38:07,404 INFO L138 BoogieDeclarations]: Found implementation of procedure r8169_mdio_read [2021-11-23 12:38:07,404 INFO L130 BoogieDeclarations]: Found specification of procedure r8168dp_1_mdio_access [2021-11-23 12:38:07,404 INFO L138 BoogieDeclarations]: Found implementation of procedure r8168dp_1_mdio_access [2021-11-23 12:38:07,405 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_hw_start_8105e_2 [2021-11-23 12:38:07,405 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_hw_start_8105e_2 [2021-11-23 12:38:07,405 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_hw_start_8105e_1 [2021-11-23 12:38:07,405 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_hw_start_8105e_1 [2021-11-23 12:38:07,405 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_ephy_read [2021-11-23 12:38:07,406 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_ephy_read [2021-11-23 12:38:07,406 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8168f_1_hw_phy_config [2021-11-23 12:38:07,406 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8168f_1_hw_phy_config [2021-11-23 12:38:07,406 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8168c_1_hw_phy_config [2021-11-23 12:38:07,407 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8168c_1_hw_phy_config [2021-11-23 12:38:07,407 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_csi_write [2021-11-23 12:38:07,407 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_csi_write [2021-11-23 12:38:07,407 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8168bef_hw_phy_config [2021-11-23 12:38:07,407 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8168bef_hw_phy_config [2021-11-23 12:38:07,407 INFO L130 BoogieDeclarations]: Found specification of procedure r8168_pll_power_down [2021-11-23 12:38:07,408 INFO L138 BoogieDeclarations]: Found implementation of procedure r8168_pll_power_down [2021-11-23 12:38:07,408 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 12:38:07,409 INFO L130 BoogieDeclarations]: Found specification of procedure r8168dp_1_mdio_read [2021-11-23 12:38:07,409 INFO L138 BoogieDeclarations]: Found implementation of procedure r8168dp_1_mdio_read [2021-11-23 12:38:07,410 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_wol_pll_power_down [2021-11-23 12:38:07,410 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_wol_pll_power_down [2021-11-23 12:38:07,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 12:38:07,410 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8169_change_mtu [2021-11-23 12:38:07,410 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8169_change_mtu [2021-11-23 12:38:07,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 12:38:07,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 12:38:07,411 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_write [2021-11-23 12:38:07,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_write [2021-11-23 12:38:07,412 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_ephy_write [2021-11-23 12:38:07,412 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_ephy_write [2021-11-23 12:38:07,412 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8168f_hw_phy_config [2021-11-23 12:38:07,413 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8168f_hw_phy_config [2021-11-23 12:38:07,413 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8169_resume [2021-11-23 12:38:07,413 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8169_resume [2021-11-23 12:38:07,413 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_hw_start_8168cp_3 [2021-11-23 12:38:07,413 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_hw_start_8168cp_3 [2021-11-23 12:38:07,414 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8168d_4_hw_phy_config [2021-11-23 12:38:07,414 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8168d_4_hw_phy_config [2021-11-23 12:38:07,414 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_hw_start_8168cp_1 [2021-11-23 12:38:07,414 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_hw_start_8168cp_1 [2021-11-23 12:38:07,414 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_hw_start_8168cp_2 [2021-11-23 12:38:07,414 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_hw_start_8168cp_2 [2021-11-23 12:38:07,415 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 12:38:07,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 12:38:07,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 12:38:07,415 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_hw_jumbo_enable [2021-11-23 12:38:07,415 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_hw_jumbo_enable [2021-11-23 12:38:07,415 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_hw_start_8168d_4 [2021-11-23 12:38:07,416 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_hw_start_8168d_4 [2021-11-23 12:38:07,416 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_hw_start_8168dp [2021-11-23 12:38:07,417 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_hw_start_8168dp [2021-11-23 12:38:07,417 INFO L130 BoogieDeclarations]: Found specification of procedure r8168g_mdio_read [2021-11-23 12:38:07,417 INFO L138 BoogieDeclarations]: Found implementation of procedure r8168g_mdio_read [2021-11-23 12:38:07,417 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8168e_1_hw_phy_config [2021-11-23 12:38:07,417 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8168e_1_hw_phy_config [2021-11-23 12:38:07,418 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8169_runtime_suspend [2021-11-23 12:38:07,418 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8169_runtime_suspend [2021-11-23 12:38:07,419 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_csi_access_enable_1 [2021-11-23 12:38:07,419 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_csi_access_enable_1 [2021-11-23 12:38:07,419 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_rar_set [2021-11-23 12:38:07,419 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_rar_set [2021-11-23 12:38:07,419 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_csi_access_enable_2 [2021-11-23 12:38:07,419 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_csi_access_enable_2 [2021-11-23 12:38:07,420 INFO L130 BoogieDeclarations]: Found specification of procedure r8168_phy_ocp_read [2021-11-23 12:38:07,420 INFO L138 BoogieDeclarations]: Found implementation of procedure r8168_phy_ocp_read [2021-11-23 12:38:07,420 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 12:38:07,420 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8169_init_phy [2021-11-23 12:38:07,420 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8169_init_phy [2021-11-23 12:38:07,420 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_apply_firmware [2021-11-23 12:38:07,420 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_apply_firmware [2021-11-23 12:38:07,421 INFO L130 BoogieDeclarations]: Found specification of procedure r8168dp_check_dash [2021-11-23 12:38:07,421 INFO L138 BoogieDeclarations]: Found implementation of procedure r8168dp_check_dash [2021-11-23 12:38:07,421 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 12:38:07,421 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8169_phy_reset [2021-11-23 12:38:07,422 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8169_phy_reset [2021-11-23 12:38:07,422 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_hw_start_8168f_1 [2021-11-23 12:38:07,422 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_hw_start_8168f_1 [2021-11-23 12:38:07,423 INFO L130 BoogieDeclarations]: Found specification of procedure r8169_csi_read [2021-11-23 12:38:07,423 INFO L138 BoogieDeclarations]: Found implementation of procedure r8169_csi_read [2021-11-23 12:38:07,426 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_writephy_batch [2021-11-23 12:38:07,427 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_writephy_batch [2021-11-23 12:38:07,427 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_phy_write_fw [2021-11-23 12:38:07,427 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_phy_write_fw [2021-11-23 12:38:07,428 INFO L130 BoogieDeclarations]: Found specification of procedure ocp_read [2021-11-23 12:38:07,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ocp_read [2021-11-23 12:38:07,429 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8169_suspend [2021-11-23 12:38:07,429 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8169_suspend [2021-11-23 12:38:07,430 INFO L130 BoogieDeclarations]: Found specification of procedure r8168g_mdio_write [2021-11-23 12:38:07,436 INFO L138 BoogieDeclarations]: Found implementation of procedure r8168g_mdio_write [2021-11-23 12:38:07,436 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_speed_down [2021-11-23 12:38:07,437 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_speed_down [2021-11-23 12:38:07,437 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8169_check_link_status [2021-11-23 12:38:07,437 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8169_check_link_status [2021-11-23 12:38:07,437 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8168c_4_hw_phy_config [2021-11-23 12:38:07,437 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8168c_4_hw_phy_config [2021-11-23 12:38:07,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 12:38:07,438 INFO L130 BoogieDeclarations]: Found specification of procedure r810x_pll_power_up [2021-11-23 12:38:07,438 INFO L138 BoogieDeclarations]: Found implementation of procedure r810x_pll_power_up [2021-11-23 12:38:07,438 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_phy_reset_cond_check [2021-11-23 12:38:07,438 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_phy_reset_cond_check [2021-11-23 12:38:07,438 INFO L130 BoogieDeclarations]: Found specification of procedure r8168_phy_ocp_write [2021-11-23 12:38:07,438 INFO L138 BoogieDeclarations]: Found implementation of procedure r8168_phy_ocp_write [2021-11-23 12:38:07,439 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_csi_read [2021-11-23 12:38:07,439 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_csi_read [2021-11-23 12:38:07,439 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8169_runtime_resume [2021-11-23 12:38:07,439 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8169_runtime_resume [2021-11-23 12:38:07,439 INFO L130 BoogieDeclarations]: Found specification of procedure r8169_mdio_write [2021-11-23 12:38:07,439 INFO L138 BoogieDeclarations]: Found implementation of procedure r8169_mdio_write [2021-11-23 12:38:07,440 INFO L130 BoogieDeclarations]: Found specification of procedure __rtl8169_resume [2021-11-23 12:38:07,440 INFO L138 BoogieDeclarations]: Found implementation of procedure __rtl8169_resume [2021-11-23 12:38:07,440 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_shutdown [2021-11-23 12:38:07,440 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_shutdown [2021-11-23 12:38:07,440 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8169sb_hw_phy_config [2021-11-23 12:38:07,440 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8169sb_hw_phy_config [2021-11-23 12:38:07,440 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_hw_jumbo_disable [2021-11-23 12:38:07,441 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_hw_jumbo_disable [2021-11-23 12:38:07,441 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8169sce_hw_phy_config [2021-11-23 12:38:07,441 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8169sce_hw_phy_config [2021-11-23 12:38:07,441 INFO L130 BoogieDeclarations]: Found specification of procedure r810x_phy_power_up [2021-11-23 12:38:07,441 INFO L138 BoogieDeclarations]: Found implementation of procedure r810x_phy_power_up [2021-11-23 12:38:07,441 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~VOID [2021-11-23 12:38:07,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~VOID [2021-11-23 12:38:07,442 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8169scd_hw_phy_config_quirk [2021-11-23 12:38:07,442 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8169scd_hw_phy_config_quirk [2021-11-23 12:38:07,442 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8169_net_suspend [2021-11-23 12:38:07,442 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8169_net_suspend [2021-11-23 12:38:07,442 INFO L130 BoogieDeclarations]: Found specification of procedure r810x_phy_power_down [2021-11-23 12:38:07,443 INFO L138 BoogieDeclarations]: Found implementation of procedure r810x_phy_power_down [2021-11-23 12:38:07,443 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8168_oob_notify [2021-11-23 12:38:07,443 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8168_oob_notify [2021-11-23 12:38:07,443 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_udelay_loop_wait_high [2021-11-23 12:38:07,443 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_udelay_loop_wait_high [2021-11-23 12:38:07,444 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_writephy [2021-11-23 12:38:07,444 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_writephy [2021-11-23 12:38:07,444 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_hw_phy_config [2021-11-23 12:38:07,444 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_hw_phy_config [2021-11-23 12:38:07,444 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8168d_efuse_read [2021-11-23 12:38:07,445 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8168d_efuse_read [2021-11-23 12:38:07,445 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8105e_hw_phy_config [2021-11-23 12:38:07,445 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8105e_hw_phy_config [2021-11-23 12:38:07,445 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_w1w0_phy [2021-11-23 12:38:07,445 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_w1w0_phy [2021-11-23 12:38:07,445 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_hw_start_8411 [2021-11-23 12:38:07,446 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_hw_start_8411 [2021-11-23 12:38:07,446 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8402_hw_phy_config [2021-11-23 12:38:07,446 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8402_hw_phy_config [2021-11-23 12:38:07,446 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_w1w0_eri [2021-11-23 12:38:07,446 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_w1w0_eri [2021-11-23 12:38:07,446 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_hw_start_8402 [2021-11-23 12:38:07,447 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_hw_start_8402 [2021-11-23 12:38:07,447 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 12:38:07,447 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_stop_30_2 [2021-11-23 12:38:07,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_stop_30_2 [2021-11-23 12:38:07,447 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8169_pcierr_interrupt [2021-11-23 12:38:07,447 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8169_pcierr_interrupt [2021-11-23 12:38:07,448 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_hw_start_8168f [2021-11-23 12:38:07,448 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_hw_start_8168f [2021-11-23 12:38:07,448 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_hw_start_8168d [2021-11-23 12:38:07,448 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_hw_start_8168d [2021-11-23 12:38:07,448 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_ocp_read_cond_check [2021-11-23 12:38:07,448 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_ocp_read_cond_check [2021-11-23 12:38:07,449 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_eri_read [2021-11-23 12:38:07,449 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_eri_read [2021-11-23 12:38:07,449 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_loop_wait [2021-11-23 12:38:07,449 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_loop_wait [2021-11-23 12:38:07,449 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_rar_exgmac_set [2021-11-23 12:38:07,449 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_rar_exgmac_set [2021-11-23 12:38:07,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-23 12:38:07,450 INFO L130 BoogieDeclarations]: Found specification of procedure r8168dp_2_mdio_read [2021-11-23 12:38:07,450 INFO L138 BoogieDeclarations]: Found implementation of procedure r8168dp_2_mdio_read [2021-11-23 12:38:07,450 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_reset_work [2021-11-23 12:38:07,450 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_reset_work [2021-11-23 12:38:07,450 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2021-11-23 12:38:07,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2021-11-23 12:38:07,451 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2021-11-23 12:38:07,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2021-11-23 12:38:07,451 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8169_set_speed [2021-11-23 12:38:07,451 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8169_set_speed [2021-11-23 12:38:07,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-23 12:38:07,451 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8168g_1_hw_phy_config [2021-11-23 12:38:07,452 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8168g_1_hw_phy_config [2021-11-23 12:38:07,452 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8168d_1_hw_phy_config [2021-11-23 12:38:07,452 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8168d_1_hw_phy_config [2021-11-23 12:38:07,452 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_ephy_init [2021-11-23 12:38:07,452 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_ephy_init [2021-11-23 12:38:07,452 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_pll_power_up [2021-11-23 12:38:07,452 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_pll_power_up [2021-11-23 12:38:07,453 INFO L130 BoogieDeclarations]: Found specification of procedure r8168dp_2_mdio_write [2021-11-23 12:38:07,453 INFO L138 BoogieDeclarations]: Found implementation of procedure r8168dp_2_mdio_write [2021-11-23 12:38:07,453 INFO L130 BoogieDeclarations]: Found specification of procedure r8168_phy_power_up [2021-11-23 12:38:07,453 INFO L138 BoogieDeclarations]: Found implementation of procedure r8168_phy_power_up [2021-11-23 12:38:07,453 INFO L130 BoogieDeclarations]: Found specification of procedure r8168dp_1_mdio_write [2021-11-23 12:38:07,453 INFO L138 BoogieDeclarations]: Found implementation of procedure r8168dp_1_mdio_write [2021-11-23 12:38:07,454 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_pll_power_down [2021-11-23 12:38:07,454 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_pll_power_down [2021-11-23 12:38:07,454 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 12:38:07,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 12:38:07,454 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-23 12:38:07,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-23 12:38:07,454 INFO L130 BoogieDeclarations]: Found specification of procedure r8168_pll_power_up [2021-11-23 12:38:07,455 INFO L138 BoogieDeclarations]: Found implementation of procedure r8168_pll_power_up [2021-11-23 12:38:07,455 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8168cp_2_hw_phy_config [2021-11-23 12:38:07,455 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8168cp_2_hw_phy_config [2021-11-23 12:38:07,455 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8168g_2_hw_phy_config [2021-11-23 12:38:07,455 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8168g_2_hw_phy_config [2021-11-23 12:38:07,456 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8168d_2_hw_phy_config [2021-11-23 12:38:07,460 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8168d_2_hw_phy_config [2021-11-23 12:38:07,460 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8168cp_1_hw_phy_config [2021-11-23 12:38:07,460 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8168cp_1_hw_phy_config [2021-11-23 12:38:07,460 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8168d_3_hw_phy_config [2021-11-23 12:38:07,461 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8168d_3_hw_phy_config [2021-11-23 12:38:07,461 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_hw_start_8411_2 [2021-11-23 12:38:07,461 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_hw_start_8411_2 [2021-11-23 12:38:07,461 INFO L130 BoogieDeclarations]: Found specification of procedure r8402_csi_write [2021-11-23 12:38:07,461 INFO L138 BoogieDeclarations]: Found implementation of procedure r8402_csi_write [2021-11-23 12:38:07,462 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2021-11-23 12:38:07,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 12:38:07,464 INFO L130 BoogieDeclarations]: Found specification of procedure r8402_csi_read [2021-11-23 12:38:07,464 INFO L138 BoogieDeclarations]: Found implementation of procedure r8402_csi_read [2021-11-23 12:38:07,464 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_hw_start_8168 [2021-11-23 12:38:07,464 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_hw_start_8168 [2021-11-23 12:38:07,464 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8169s_hw_phy_config [2021-11-23 12:38:07,465 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8169s_hw_phy_config [2021-11-23 12:38:07,465 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_msleep_loop_wait_low [2021-11-23 12:38:07,465 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_msleep_loop_wait_low [2021-11-23 12:38:07,465 INFO L130 BoogieDeclarations]: Found specification of procedure r8411_csi_write [2021-11-23 12:38:07,465 INFO L138 BoogieDeclarations]: Found implementation of procedure r8411_csi_write [2021-11-23 12:38:07,465 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_hw_start_8168e_1 [2021-11-23 12:38:07,465 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_hw_start_8168e_1 [2021-11-23 12:38:07,466 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_hw_start_8168e_2 [2021-11-23 12:38:07,466 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_hw_start_8168e_2 [2021-11-23 12:38:07,466 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_task [2021-11-23 12:38:07,466 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_task [2021-11-23 12:38:07,466 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~bool~0 [2021-11-23 12:38:07,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~bool~0 [2021-11-23 12:38:07,466 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8102e_hw_phy_config [2021-11-23 12:38:07,467 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8102e_hw_phy_config [2021-11-23 12:38:07,467 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2021-11-23 12:38:07,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2021-11-23 12:38:07,467 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_open [2021-11-23 12:38:07,467 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_open [2021-11-23 12:38:07,467 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8169_get_settings [2021-11-23 12:38:07,467 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8169_get_settings [2021-11-23 12:38:07,467 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8169_update_counters [2021-11-23 12:38:07,468 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8169_update_counters [2021-11-23 12:38:07,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 12:38:07,468 INFO L130 BoogieDeclarations]: Found specification of procedure r8169_csi_write [2021-11-23 12:38:07,468 INFO L138 BoogieDeclarations]: Found implementation of procedure r8169_csi_write [2021-11-23 12:38:07,468 INFO L130 BoogieDeclarations]: Found specification of procedure r810x_pll_power_down [2021-11-23 12:38:07,468 INFO L138 BoogieDeclarations]: Found implementation of procedure r810x_pll_power_down [2021-11-23 12:38:07,468 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_hw_start_8168g_1 [2021-11-23 12:38:07,469 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_hw_start_8168g_1 [2021-11-23 12:38:07,469 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_hw_start_8168g_2 [2021-11-23 12:38:07,469 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_hw_start_8168g_2 [2021-11-23 12:38:07,469 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_hw_start_8102e_1 [2021-11-23 12:38:07,469 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_hw_start_8102e_1 [2021-11-23 12:38:07,469 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_hw_start_8102e_2 [2021-11-23 12:38:07,469 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_hw_start_8102e_2 [2021-11-23 12:38:07,470 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_hw_start_8102e_3 [2021-11-23 12:38:07,470 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_hw_start_8102e_3 [2021-11-23 12:38:07,470 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8168bb_hw_phy_config [2021-11-23 12:38:07,470 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8168bb_hw_phy_config [2021-11-23 12:38:07,470 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_hw_start [2021-11-23 12:38:07,470 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_hw_start [2021-11-23 12:38:07,470 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~~u16~0~X~~u8~0~X~~u32~0~TO~int [2021-11-23 12:38:07,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~~u16~0~X~~u8~0~X~~u32~0~TO~int [2021-11-23 12:38:07,471 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_udelay_loop_wait_low [2021-11-23 12:38:07,471 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_udelay_loop_wait_low [2021-11-23 12:38:07,471 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8169_set_speed_xmii [2021-11-23 12:38:07,471 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8169_set_speed_xmii [2021-11-23 12:38:07,471 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_write_exgmac_batch [2021-11-23 12:38:07,471 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_write_exgmac_batch [2021-11-23 12:38:07,471 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8411_hw_phy_config [2021-11-23 12:38:07,472 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8411_hw_phy_config [2021-11-23 12:38:07,472 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8168e_2_hw_phy_config [2021-11-23 12:38:07,472 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8168e_2_hw_phy_config [2021-11-23 12:38:07,472 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_slow_event_work [2021-11-23 12:38:07,472 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_slow_event_work [2021-11-23 12:38:07,472 INFO L130 BoogieDeclarations]: Found specification of procedure r8168_phy_power_down [2021-11-23 12:38:07,472 INFO L138 BoogieDeclarations]: Found implementation of procedure r8168_phy_power_down [2021-11-23 12:38:07,472 INFO L130 BoogieDeclarations]: Found specification of procedure r8411_csi_read [2021-11-23 12:38:07,473 INFO L138 BoogieDeclarations]: Found implementation of procedure r8411_csi_read [2021-11-23 12:38:07,473 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8169_xmii_reset_pending [2021-11-23 12:38:07,473 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8169_xmii_reset_pending [2021-11-23 12:38:07,473 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_readphy [2021-11-23 12:38:07,473 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_readphy [2021-11-23 12:38:07,473 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_link_chg_patch [2021-11-23 12:38:07,473 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_link_chg_patch [2021-11-23 12:38:07,474 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~~u32~0 [2021-11-23 12:38:07,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~~u32~0 [2021-11-23 12:38:07,474 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_csi_access_enable [2021-11-23 12:38:07,474 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_csi_access_enable [2021-11-23 12:38:07,474 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8169_ioctl [2021-11-23 12:38:07,474 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8169_ioctl [2021-11-23 12:38:07,474 INFO L130 BoogieDeclarations]: Found specification of procedure __rtl8169_check_link_status [2021-11-23 12:38:07,475 INFO L138 BoogieDeclarations]: Found implementation of procedure __rtl8169_check_link_status [2021-11-23 12:38:07,475 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-23 12:38:07,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-23 12:38:07,475 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_apply_firmware_cond [2021-11-23 12:38:07,475 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_apply_firmware_cond [2021-11-23 12:38:07,475 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_hw_start_8168c_1 [2021-11-23 12:38:07,475 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_hw_start_8168c_1 [2021-11-23 12:38:07,476 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_hw_start_8168c_2 [2021-11-23 12:38:07,476 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_hw_start_8168c_2 [2021-11-23 12:38:07,476 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_hw_start_8168c_3 [2021-11-23 12:38:07,476 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_hw_start_8168c_3 [2021-11-23 12:38:07,476 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_hw_start_8168c_4 [2021-11-23 12:38:07,476 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_hw_start_8168c_4 [2021-11-23 12:38:07,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 12:38:07,476 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8169_hw_reset [2021-11-23 12:38:07,477 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8169_hw_reset [2021-11-23 12:38:07,477 INFO L130 BoogieDeclarations]: Found specification of procedure rtl_hw_start_8101 [2021-11-23 12:38:07,477 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl_hw_start_8101 [2021-11-23 12:38:10,089 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 12:38:10,093 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 12:43:03,040 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#2: ldv_switch_1_#res#1 := 0; [2021-11-23 12:43:03,040 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#3: ldv_switch_1_#res#1 := 0; [2021-11-23 12:43:03,041 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_1_switch_break#1: ldv_switch_1_#res#1 := 0; [2021-11-23 12:43:03,041 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_2_switch_break#1: ldv_switch_2_#res#1 := 0; [2021-11-23 12:43:03,041 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_2_switch_break#2: ldv_switch_2_#res#1 := 0; [2021-11-23 12:43:03,041 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_2_switch_break#3: ldv_switch_2_#res#1 := 0; [2021-11-23 12:43:03,041 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_2_switch_break#4: ldv_switch_2_#res#1 := 0; [2021-11-23 12:43:03,042 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_4_switch_break#1: ldv_switch_4_#res#1 := 0; [2021-11-23 12:43:03,042 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_4_switch_break#2: ldv_switch_4_#res#1 := 0; [2021-11-23 12:43:03,042 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#3: ldv_switch_0_#res#1 := 0; [2021-11-23 12:43:03,042 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#4: ldv_switch_0_#res#1 := 0; [2021-11-23 12:43:03,042 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#5: ldv_switch_0_#res#1 := 0; [2021-11-23 12:43:03,043 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#6: ldv_switch_0_#res#1 := 0; [2021-11-23 12:43:03,043 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#1: ldv_switch_0_#res#1 := 0; [2021-11-23 12:43:03,043 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_0_switch_break#2: ldv_switch_0_#res#1 := 0; [2021-11-23 12:43:03,043 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_switch_3_switch_break#1: ldv_switch_3_#res#1 := 0; [2021-11-23 12:43:03,044 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-23 12:43:04,408 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 12:43:04,459 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 12:43:04,459 INFO L301 CfgBuilder]: Removed 6 assume(true) statements. [2021-11-23 12:43:04,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:43:04 BoogieIcfgContainer [2021-11-23 12:43:04,469 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 12:43:04,471 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 12:43:04,471 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 12:43:04,474 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 12:43:04,475 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 12:37:52" (1/3) ... [2021-11-23 12:43:04,476 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@499cf907 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:43:04, skipping insertion in model container [2021-11-23 12:43:04,476 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:38:03" (2/3) ... [2021-11-23 12:43:04,476 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@499cf907 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:43:04, skipping insertion in model container [2021-11-23 12:43:04,476 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:43:04" (3/3) ... [2021-11-23 12:43:04,478 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-realtek-r8169.cil.i [2021-11-23 12:43:04,483 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 12:43:04,484 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 64 error locations. [2021-11-23 12:43:04,562 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 12:43:04,569 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-23 12:43:04,569 INFO L340 AbstractCegarLoop]: Starting to check reachability of 64 error locations. [2021-11-23 12:43:04,737 INFO L276 IsEmpty]: Start isEmpty. Operand has 9006 states, 8083 states have (on average 1.337498453544476) internal successors, (10811), 8252 states have internal predecessors, (10811), 693 states have call successors, (693), 166 states have call predecessors, (693), 166 states have return successors, (693), 615 states have call predecessors, (693), 693 states have call successors, (693) [2021-11-23 12:43:04,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2021-11-23 12:43:04,758 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 12:43:04,758 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 12:43:04,759 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION === [rtl8169_net_suspendErr0ASSERT_VIOLATIONERROR_FUNCTION, rtl8169_net_suspendErr1ASSERT_VIOLATIONERROR_FUNCTION, rtl8169_closeErr0ASSERT_VIOLATIONERROR_FUNCTION (and 61 more)] === [2021-11-23 12:43:04,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:43:04,765 INFO L85 PathProgramCache]: Analyzing trace with hash -1536231567, now seen corresponding path program 1 times [2021-11-23 12:43:04,775 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:43:04,775 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025593434] [2021-11-23 12:43:04,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:43:04,777 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:43:05,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:43:06,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:43:06,247 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 12:43:06,248 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025593434] [2021-11-23 12:43:06,249 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1025593434] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 12:43:06,249 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:43:06,249 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 12:43:06,251 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649697970] [2021-11-23 12:43:06,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 12:43:06,256 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 12:43:06,257 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 12:43:06,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 12:43:06,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 12:43:06,309 INFO L87 Difference]: Start difference. First operand has 9006 states, 8083 states have (on average 1.337498453544476) internal successors, (10811), 8252 states have internal predecessors, (10811), 693 states have call successors, (693), 166 states have call predecessors, (693), 166 states have return successors, (693), 615 states have call predecessors, (693), 693 states have call successors, (693) Second operand has 3 states, 3 states have (on average 65.33333333333333) internal successors, (196), 3 states have internal predecessors, (196), 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) [2021-11-23 12:43:08,469 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 12:43:09,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:43:09,953 INFO L93 Difference]: Finished difference Result 25616 states and 36185 transitions. [2021-11-23 12:43:09,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 12:43:09,956 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 65.33333333333333) internal successors, (196), 3 states have internal predecessors, (196), 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) Word has length 196 [2021-11-23 12:43:09,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 12:43:10,113 INFO L225 Difference]: With dead ends: 25616 [2021-11-23 12:43:10,114 INFO L226 Difference]: Without dead ends: 16781 [2021-11-23 12:43:10,190 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 12:43:10,194 INFO L933 BasicCegarLoop]: 12809 mSDtfsCounter, 11114 mSDsluCounter, 11989 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11114 SdHoareTripleChecker+Valid, 24798 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2021-11-23 12:43:10,195 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11114 Valid, 24798 Invalid, 44 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 34 Invalid, 1 Unknown, 0 Unchecked, 2.7s Time] [2021-11-23 12:43:10,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16781 states. [2021-11-23 12:43:11,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16781 to 16677. [2021-11-23 12:43:11,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16677 states, 14895 states have (on average 1.311715340718362) internal successors, (19538), 15170 states have internal predecessors, (19538), 1386 states have call successors, (1386), 332 states have call predecessors, (1386), 332 states have return successors, (1386), 1230 states have call predecessors, (1386), 1386 states have call successors, (1386) [2021-11-23 12:43:11,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16677 states to 16677 states and 22310 transitions. [2021-11-23 12:43:11,183 INFO L78 Accepts]: Start accepts. Automaton has 16677 states and 22310 transitions. Word has length 196 [2021-11-23 12:43:11,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 12:43:11,188 INFO L470 AbstractCegarLoop]: Abstraction has 16677 states and 22310 transitions. [2021-11-23 12:43:11,189 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.33333333333333) internal successors, (196), 3 states have internal predecessors, (196), 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) [2021-11-23 12:43:11,191 INFO L276 IsEmpty]: Start isEmpty. Operand 16677 states and 22310 transitions. [2021-11-23 12:43:11,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2021-11-23 12:43:11,200 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 12:43:11,201 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 12:43:11,201 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 12:43:11,202 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION === [rtl8169_net_suspendErr0ASSERT_VIOLATIONERROR_FUNCTION, rtl8169_net_suspendErr1ASSERT_VIOLATIONERROR_FUNCTION, rtl8169_closeErr0ASSERT_VIOLATIONERROR_FUNCTION (and 61 more)] === [2021-11-23 12:43:11,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:43:11,205 INFO L85 PathProgramCache]: Analyzing trace with hash -87117096, now seen corresponding path program 1 times [2021-11-23 12:43:11,206 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:43:11,207 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546051799] [2021-11-23 12:43:11,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:43:11,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:43:11,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:43:11,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:43:11,941 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 12:43:11,941 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546051799] [2021-11-23 12:43:11,941 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1546051799] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 12:43:11,941 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:43:11,941 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 12:43:11,942 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555559526] [2021-11-23 12:43:11,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 12:43:11,943 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 12:43:11,943 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 12:43:11,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 12:43:11,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 12:43:11,944 INFO L87 Difference]: Start difference. First operand 16677 states and 22310 transitions. Second operand has 3 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 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) [2021-11-23 12:43:14,078 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 12:43:16,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:43:16,150 INFO L93 Difference]: Finished difference Result 47647 states and 65363 transitions. [2021-11-23 12:43:16,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 12:43:16,151 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 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) Word has length 198 [2021-11-23 12:43:16,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 12:43:16,378 INFO L225 Difference]: With dead ends: 47647 [2021-11-23 12:43:16,378 INFO L226 Difference]: Without dead ends: 31439 [2021-11-23 12:43:16,452 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 12:43:16,454 INFO L933 BasicCegarLoop]: 12845 mSDtfsCounter, 10708 mSDsluCounter, 11429 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10708 SdHoareTripleChecker+Valid, 24274 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2021-11-23 12:43:16,454 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10708 Valid, 24274 Invalid, 119 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 111 Invalid, 1 Unknown, 0 Unchecked, 3.1s Time] [2021-11-23 12:43:16,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31439 states. [2021-11-23 12:43:17,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31439 to 31231. [2021-11-23 12:43:17,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31231 states, 27745 states have (on average 1.3154081816543521) internal successors, (36496), 28232 states have internal predecessors, (36496), 2758 states have call successors, (2758), 664 states have call predecessors, (2758), 664 states have return successors, (4152), 2446 states have call predecessors, (4152), 2758 states have call successors, (4152) [2021-11-23 12:43:17,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31231 states to 31231 states and 43406 transitions. [2021-11-23 12:43:17,986 INFO L78 Accepts]: Start accepts. Automaton has 31231 states and 43406 transitions. Word has length 198 [2021-11-23 12:43:17,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 12:43:17,988 INFO L470 AbstractCegarLoop]: Abstraction has 31231 states and 43406 transitions. [2021-11-23 12:43:17,988 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 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) [2021-11-23 12:43:17,988 INFO L276 IsEmpty]: Start isEmpty. Operand 31231 states and 43406 transitions. [2021-11-23 12:43:17,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2021-11-23 12:43:17,994 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 12:43:17,994 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 12:43:17,994 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 12:43:17,995 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION === [rtl8169_net_suspendErr0ASSERT_VIOLATIONERROR_FUNCTION, rtl8169_net_suspendErr1ASSERT_VIOLATIONERROR_FUNCTION, rtl8169_closeErr0ASSERT_VIOLATIONERROR_FUNCTION (and 61 more)] === [2021-11-23 12:43:17,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:43:17,996 INFO L85 PathProgramCache]: Analyzing trace with hash 120176171, now seen corresponding path program 1 times [2021-11-23 12:43:17,996 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:43:17,999 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655977515] [2021-11-23 12:43:17,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:43:18,000 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:43:18,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:43:18,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:43:18,615 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 12:43:18,615 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1655977515] [2021-11-23 12:43:18,615 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1655977515] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 12:43:18,615 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:43:18,615 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 12:43:18,615 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465958696] [2021-11-23 12:43:18,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 12:43:18,616 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 12:43:18,617 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 12:43:18,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 12:43:18,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 12:43:18,617 INFO L87 Difference]: Start difference. First operand 31231 states and 43406 transitions. Second operand has 3 states, 3 states have (on average 66.33333333333333) internal successors, (199), 3 states have internal predecessors, (199), 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) [2021-11-23 12:43:20,754 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 12:43:23,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:43:23,694 INFO L93 Difference]: Finished difference Result 89881 states and 129517 transitions. [2021-11-23 12:43:23,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 12:43:23,694 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 66.33333333333333) internal successors, (199), 3 states have internal predecessors, (199), 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) Word has length 199 [2021-11-23 12:43:23,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 12:43:24,094 INFO L225 Difference]: With dead ends: 89881 [2021-11-23 12:43:24,095 INFO L226 Difference]: Without dead ends: 59119 [2021-11-23 12:43:24,247 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 12:43:24,255 INFO L933 BasicCegarLoop]: 12835 mSDtfsCounter, 10707 mSDsluCounter, 11429 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10707 SdHoareTripleChecker+Valid, 24264 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2021-11-23 12:43:24,257 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10707 Valid, 24264 Invalid, 119 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 111 Invalid, 1 Unknown, 0 Unchecked, 3.2s Time] [2021-11-23 12:43:24,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59119 states. [2021-11-23 12:43:27,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59119 to 58861. [2021-11-23 12:43:27,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58861 states, 51981 states have (on average 1.317404436236317) internal successors, (68480), 52892 states have internal predecessors, (68480), 5488 states have call successors, (5488), 1328 states have call predecessors, (5488), 1328 states have return successors, (12434), 4864 states have call predecessors, (12434), 5488 states have call successors, (12434) [2021-11-23 12:43:28,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58861 states to 58861 states and 86402 transitions. [2021-11-23 12:43:29,003 INFO L78 Accepts]: Start accepts. Automaton has 58861 states and 86402 transitions. Word has length 199 [2021-11-23 12:43:29,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 12:43:29,003 INFO L470 AbstractCegarLoop]: Abstraction has 58861 states and 86402 transitions. [2021-11-23 12:43:29,003 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 66.33333333333333) internal successors, (199), 3 states have internal predecessors, (199), 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) [2021-11-23 12:43:29,004 INFO L276 IsEmpty]: Start isEmpty. Operand 58861 states and 86402 transitions. [2021-11-23 12:43:29,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2021-11-23 12:43:29,008 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 12:43:29,008 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 12:43:29,009 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-23 12:43:29,009 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONERROR_FUNCTION === [rtl8169_net_suspendErr0ASSERT_VIOLATIONERROR_FUNCTION, rtl8169_net_suspendErr1ASSERT_VIOLATIONERROR_FUNCTION, rtl8169_closeErr0ASSERT_VIOLATIONERROR_FUNCTION (and 61 more)] === [2021-11-23 12:43:29,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:43:29,010 INFO L85 PathProgramCache]: Analyzing trace with hash -1866665859, now seen corresponding path program 1 times [2021-11-23 12:43:29,010 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:43:29,011 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083785012] [2021-11-23 12:43:29,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:43:29,011 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:43:29,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:43:29,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:43:29,814 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 12:43:29,814 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083785012] [2021-11-23 12:43:29,814 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2083785012] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 12:43:29,815 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:43:29,815 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 12:43:29,815 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883393964] [2021-11-23 12:43:29,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 12:43:29,816 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 12:43:29,816 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 12:43:29,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 12:43:29,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 12:43:29,817 INFO L87 Difference]: Start difference. First operand 58861 states and 86402 transitions. Second operand has 3 states, 3 states have (on average 66.66666666666667) internal successors, (200), 3 states have internal predecessors, (200), 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) [2021-11-23 12:43:31,955 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 12:43:36,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:43:36,071 INFO L93 Difference]: Finished difference Result 168395 states and 260825 transitions. [2021-11-23 12:43:36,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 12:43:36,072 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 66.66666666666667) internal successors, (200), 3 states have internal predecessors, (200), 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) Word has length 200 [2021-11-23 12:43:36,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 12:43:36,948 INFO L225 Difference]: With dead ends: 168395 [2021-11-23 12:43:36,948 INFO L226 Difference]: Without dead ends: 110003 [2021-11-23 12:43:37,375 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 12:43:37,379 INFO L933 BasicCegarLoop]: 12827 mSDtfsCounter, 10554 mSDsluCounter, 11429 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10554 SdHoareTripleChecker+Valid, 24256 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2021-11-23 12:43:37,381 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10554 Valid, 24256 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 110 Invalid, 1 Unknown, 0 Unchecked, 3.0s Time] [2021-11-23 12:43:37,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110003 states. [2021-11-23 12:43:42,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110003 to 109629. [2021-11-23 12:43:43,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109629 states, 96007 states have (on average 1.3173831074817461) internal successors, (126478), 97756 states have internal predecessors, (126478), 10908 states have call successors, (10908), 2648 states have call predecessors, (10908), 2650 states have return successors, (37188), 9672 states have call predecessors, (37188), 10908 states have call successors, (37188) [2021-11-23 12:43:44,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109629 states to 109629 states and 174574 transitions. [2021-11-23 12:43:44,354 INFO L78 Accepts]: Start accepts. Automaton has 109629 states and 174574 transitions. Word has length 200 [2021-11-23 12:43:44,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 12:43:44,355 INFO L470 AbstractCegarLoop]: Abstraction has 109629 states and 174574 transitions. [2021-11-23 12:43:44,355 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 66.66666666666667) internal successors, (200), 3 states have internal predecessors, (200), 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) [2021-11-23 12:43:44,355 INFO L276 IsEmpty]: Start isEmpty. Operand 109629 states and 174574 transitions. [2021-11-23 12:43:44,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2021-11-23 12:43:44,364 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 12:43:44,364 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 12:43:44,365 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-23 12:43:44,365 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting rtl_taskErr0ASSERT_VIOLATIONERROR_FUNCTION === [rtl8169_net_suspendErr0ASSERT_VIOLATIONERROR_FUNCTION, rtl8169_net_suspendErr1ASSERT_VIOLATIONERROR_FUNCTION, rtl8169_closeErr0ASSERT_VIOLATIONERROR_FUNCTION (and 61 more)] === [2021-11-23 12:43:44,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 12:43:44,366 INFO L85 PathProgramCache]: Analyzing trace with hash -2088601029, now seen corresponding path program 1 times [2021-11-23 12:43:44,366 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 12:43:44,366 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374791138] [2021-11-23 12:43:44,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 12:43:44,366 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 12:43:44,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 12:43:45,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 12:43:45,351 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-23 12:43:45,351 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [374791138] [2021-11-23 12:43:45,351 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [374791138] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 12:43:45,351 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 12:43:45,352 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 12:43:45,352 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929287145] [2021-11-23 12:43:45,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 12:43:45,353 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 12:43:45,353 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-23 12:43:45,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 12:43:45,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 12:43:45,354 INFO L87 Difference]: Start difference. First operand 109629 states and 174574 transitions. Second operand has 3 states, 3 states have (on average 69.66666666666667) internal successors, (209), 3 states have internal predecessors, (209), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 12:43:47,481 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 12:43:54,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 12:43:54,751 INFO L93 Difference]: Finished difference Result 324813 states and 517800 transitions. [2021-11-23 12:43:54,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 12:43:54,752 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 69.66666666666667) internal successors, (209), 3 states have internal predecessors, (209), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 211 [2021-11-23 12:43:54,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 12:43:56,689 INFO L225 Difference]: With dead ends: 324813 [2021-11-23 12:43:56,690 INFO L226 Difference]: Without dead ends: 215653 [2021-11-23 12:43:57,137 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 12:43:57,138 INFO L933 BasicCegarLoop]: 13895 mSDtfsCounter, 10704 mSDsluCounter, 11428 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 31 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10704 SdHoareTripleChecker+Valid, 25323 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2021-11-23 12:43:57,138 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10704 Valid, 25323 Invalid, 153 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [31 Valid, 121 Invalid, 1 Unknown, 0 Unchecked, 3.0s Time] [2021-11-23 12:43:57,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215653 states.