./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e678b83-e705-45e2-9bbe-08875cde552e/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e678b83-e705-45e2-9bbe-08875cde552e/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e678b83-e705-45e2-9bbe-08875cde552e/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e678b83-e705-45e2-9bbe-08875cde552e/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e678b83-e705-45e2-9bbe-08875cde552e/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e678b83-e705-45e2-9bbe-08875cde552e/bin/utaipan-EQgc7hIp5V --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 33bd09d869d296ee6412c3b7b3ef9c41644173ec61a0d0594392f209ae5abb1a --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 02:27:55,261 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 02:27:55,263 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 02:27:55,341 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 02:27:55,342 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 02:27:55,343 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 02:27:55,345 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 02:27:55,348 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 02:27:55,351 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 02:27:55,352 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 02:27:55,354 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 02:27:55,356 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 02:27:55,357 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 02:27:55,358 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 02:27:55,361 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 02:27:55,363 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 02:27:55,364 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 02:27:55,366 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 02:27:55,369 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 02:27:55,372 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 02:27:55,375 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 02:27:55,377 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 02:27:55,379 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 02:27:55,388 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 02:27:55,398 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 02:27:55,399 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 02:27:55,399 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 02:27:55,401 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 02:27:55,401 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 02:27:55,403 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 02:27:55,403 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 02:27:55,404 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 02:27:55,405 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 02:27:55,407 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 02:27:55,411 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 02:27:55,413 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 02:27:55,414 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 02:27:55,414 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 02:27:55,414 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 02:27:55,419 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 02:27:55,420 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 02:27:55,421 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e678b83-e705-45e2-9bbe-08875cde552e/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-23 02:27:55,469 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 02:27:55,474 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 02:27:55,475 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 02:27:55,475 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 02:27:55,476 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 02:27:55,477 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 02:27:55,477 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 02:27:55,477 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 02:27:55,478 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 02:27:55,478 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 02:27:55,479 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 02:27:55,480 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 02:27:55,480 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 02:27:55,480 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 02:27:55,480 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 02:27:55,481 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 02:27:55,481 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 02:27:55,481 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 02:27:55,482 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 02:27:55,483 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 02:27:55,483 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 02:27:55,483 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 02:27:55,484 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 02:27:55,484 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 02:27:55,484 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 02:27:55,484 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 02:27:55,486 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 02:27:55,487 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 02:27:55,487 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 02:27:55,487 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:27:55,488 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 02:27:55,488 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 02:27:55,488 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 02:27:55,489 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 02:27:55,490 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 02:27:55,490 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 02:27:55,490 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 02:27:55,490 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 02:27:55,491 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_9e678b83-e705-45e2-9bbe-08875cde552e/bin/utaipan-EQgc7hIp5V/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e678b83-e705-45e2-9bbe-08875cde552e/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 33bd09d869d296ee6412c3b7b3ef9c41644173ec61a0d0594392f209ae5abb1a [2021-11-23 02:27:55,841 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 02:27:55,888 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 02:27:55,892 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 02:27:55,894 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 02:27:55,895 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 02:27:55,896 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e678b83-e705-45e2-9bbe-08875cde552e/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i [2021-11-23 02:27:55,999 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e678b83-e705-45e2-9bbe-08875cde552e/bin/utaipan-EQgc7hIp5V/data/431082d6e/ca3510b6a702401592dba7da6cc5ef66/FLAG790749d8e [2021-11-23 02:27:57,287 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 02:27:57,288 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e678b83-e705-45e2-9bbe-08875cde552e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i [2021-11-23 02:27:57,403 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e678b83-e705-45e2-9bbe-08875cde552e/bin/utaipan-EQgc7hIp5V/data/431082d6e/ca3510b6a702401592dba7da6cc5ef66/FLAG790749d8e [2021-11-23 02:27:57,875 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e678b83-e705-45e2-9bbe-08875cde552e/bin/utaipan-EQgc7hIp5V/data/431082d6e/ca3510b6a702401592dba7da6cc5ef66 [2021-11-23 02:27:57,878 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 02:27:57,882 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 02:27:57,885 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 02:27:57,886 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 02:27:57,891 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 02:27:57,898 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:27:57" (1/1) ... [2021-11-23 02:27:57,901 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@495e4f82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:27:57, skipping insertion in model container [2021-11-23 02:27:57,902 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:27:57" (1/1) ... [2021-11-23 02:27:57,911 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 02:27:58,176 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 02:28:04,854 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_9e678b83-e705-45e2-9bbe-08875cde552e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[522220,522233] [2021-11-23 02:28:04,858 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_9e678b83-e705-45e2-9bbe-08875cde552e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[522389,522402] [2021-11-23 02:28:04,868 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_9e678b83-e705-45e2-9bbe-08875cde552e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[522556,522569] [2021-11-23 02:28:04,870 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_9e678b83-e705-45e2-9bbe-08875cde552e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[522724,522737] [2021-11-23 02:28:04,915 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:28:05,027 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 02:28:05,727 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_9e678b83-e705-45e2-9bbe-08875cde552e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[522220,522233] [2021-11-23 02:28:05,728 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_9e678b83-e705-45e2-9bbe-08875cde552e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[522389,522402] [2021-11-23 02:28:05,728 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_9e678b83-e705-45e2-9bbe-08875cde552e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[522556,522569] [2021-11-23 02:28:05,729 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_9e678b83-e705-45e2-9bbe-08875cde552e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[522724,522737] [2021-11-23 02:28:05,745 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:28:06,152 INFO L208 MainTranslator]: Completed translation [2021-11-23 02:28:06,153 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:06 WrapperNode [2021-11-23 02:28:06,154 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 02:28:06,155 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 02:28:06,155 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 02:28:06,156 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 02:28:06,165 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:06" (1/1) ... [2021-11-23 02:28:06,401 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:06" (1/1) ... [2021-11-23 02:28:06,811 INFO L137 Inliner]: procedures = 699, calls = 4066, calls flagged for inlining = 372, calls inlined = 346, statements flattened = 10313 [2021-11-23 02:28:06,812 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 02:28:06,813 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 02:28:06,813 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 02:28:06,813 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 02:28:06,824 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:06" (1/1) ... [2021-11-23 02:28:06,825 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:06" (1/1) ... [2021-11-23 02:28:06,885 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:06" (1/1) ... [2021-11-23 02:28:06,886 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:06" (1/1) ... [2021-11-23 02:28:07,218 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:06" (1/1) ... [2021-11-23 02:28:07,293 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:06" (1/1) ... [2021-11-23 02:28:07,332 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:06" (1/1) ... [2021-11-23 02:28:07,384 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 02:28:07,385 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 02:28:07,385 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 02:28:07,385 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 02:28:07,386 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:06" (1/1) ... [2021-11-23 02:28:07,395 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:28:07,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e678b83-e705-45e2-9bbe-08875cde552e/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:28:07,425 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e678b83-e705-45e2-9bbe-08875cde552e/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 02:28:07,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e678b83-e705-45e2-9bbe-08875cde552e/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 02:28:07,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_93 [2021-11-23 02:28:07,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_93 [2021-11-23 02:28:07,480 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-11-23 02:28:07,480 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-11-23 02:28:07,480 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2021-11-23 02:28:07,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2021-11-23 02:28:07,481 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_read_phy_core [2021-11-23 02:28:07,481 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_read_phy_core [2021-11-23 02:28:07,481 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2021-11-23 02:28:07,481 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2021-11-23 02:28:07,481 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_post_phy_linkchg [2021-11-23 02:28:07,482 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_post_phy_linkchg [2021-11-23 02:28:07,482 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-11-23 02:28:07,482 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-11-23 02:28:07,482 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-23 02:28:07,482 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-23 02:28:07,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_80 [2021-11-23 02:28:07,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_80 [2021-11-23 02:28:07,483 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2021-11-23 02:28:07,483 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2021-11-23 02:28:07,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 02:28:07,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 02:28:07,484 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_clean_rx_ring [2021-11-23 02:28:07,484 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_clean_rx_ring [2021-11-23 02:28:07,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-23 02:28:07,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-23 02:28:07,484 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-11-23 02:28:07,485 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-11-23 02:28:07,485 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-23 02:28:07,485 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-23 02:28:07,485 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-23 02:28:07,485 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-23 02:28:07,486 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_read_current_addr [2021-11-23 02:28:07,486 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_read_current_addr [2021-11-23 02:28:07,486 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-23 02:28:07,486 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-23 02:28:07,486 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_reset_mac [2021-11-23 02:28:07,487 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_reset_mac [2021-11-23 02:28:07,487 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_irq_disable [2021-11-23 02:28:07,487 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_irq_disable [2021-11-23 02:28:07,487 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_stop_phy_polling [2021-11-23 02:28:07,487 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_stop_phy_polling [2021-11-23 02:28:07,488 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-23 02:28:07,488 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-23 02:28:07,488 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-23 02:28:07,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-23 02:28:07,488 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-23 02:28:07,489 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-23 02:28:07,489 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-23 02:28:07,489 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-23 02:28:07,489 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-23 02:28:07,489 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-23 02:28:07,490 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-23 02:28:07,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-23 02:28:07,490 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-23 02:28:07,490 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-23 02:28:07,490 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-11-23 02:28:07,491 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-11-23 02:28:07,491 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-11-23 02:28:07,491 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-11-23 02:28:07,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 02:28:07,491 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-11-23 02:28:07,492 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-11-23 02:28:07,492 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_speed_and_duplex [2021-11-23 02:28:07,492 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_speed_and_duplex [2021-11-23 02:28:07,492 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_mdio_lock_of_atl1c_adapter [2021-11-23 02:28:07,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_mdio_lock_of_atl1c_adapter [2021-11-23 02:28:07,492 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-11-23 02:28:07,493 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-11-23 02:28:07,493 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_close [2021-11-23 02:28:07,493 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_close [2021-11-23 02:28:07,493 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-23 02:28:07,493 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-23 02:28:07,494 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_write_phy_reg [2021-11-23 02:28:07,494 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_write_phy_reg [2021-11-23 02:28:07,494 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-23 02:28:07,494 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_phy_init [2021-11-23 02:28:07,494 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_phy_init [2021-11-23 02:28:07,495 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_read_phy_dbg [2021-11-23 02:28:07,495 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_read_phy_dbg [2021-11-23 02:28:07,495 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_regs_len [2021-11-23 02:28:07,495 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_regs_len [2021-11-23 02:28:07,495 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-23 02:28:07,496 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-23 02:28:07,496 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-23 02:28:07,496 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-23 02:28:07,496 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_free_ring_resources [2021-11-23 02:28:07,496 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_free_ring_resources [2021-11-23 02:28:07,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-23 02:28:07,497 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-23 02:28:07,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-23 02:28:07,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 02:28:07,497 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-23 02:28:07,497 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-23 02:28:07,498 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-23 02:28:07,498 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-23 02:28:07,498 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-23 02:28:07,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-23 02:28:07,498 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-11-23 02:28:07,498 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-11-23 02:28:07,499 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-23 02:28:07,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-23 02:28:07,499 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-23 02:28:07,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-23 02:28:07,499 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-23 02:28:07,500 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-23 02:28:07,500 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_set_multi [2021-11-23 02:28:07,500 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_set_multi [2021-11-23 02:28:07,500 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-23 02:28:07,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-23 02:28:07,501 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 02:28:07,501 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-23 02:28:07,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-23 02:28:07,501 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-23 02:28:07,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-23 02:28:07,502 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-11-23 02:28:07,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-11-23 02:28:07,502 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2021-11-23 02:28:07,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2021-11-23 02:28:07,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 02:28:07,502 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-11-23 02:28:07,503 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-11-23 02:28:07,503 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-23 02:28:07,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-23 02:28:07,503 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-23 02:28:07,503 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-23 02:28:07,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 02:28:07,504 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_start_phy_polling [2021-11-23 02:28:07,504 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_start_phy_polling [2021-11-23 02:28:07,504 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2021-11-23 02:28:07,504 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2021-11-23 02:28:07,504 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-23 02:28:07,505 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 02:28:07,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 02:28:07,505 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-11-23 02:28:07,505 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-11-23 02:28:07,505 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-23 02:28:07,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-23 02:28:07,506 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2021-11-23 02:28:07,506 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2021-11-23 02:28:07,506 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_write_phy_core [2021-11-23 02:28:07,506 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_write_phy_core [2021-11-23 02:28:07,506 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_wait_until_idle [2021-11-23 02:28:07,506 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_wait_until_idle [2021-11-23 02:28:07,507 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-11-23 02:28:07,507 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-11-23 02:28:07,507 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-11-23 02:28:07,507 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-11-23 02:28:07,507 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-23 02:28:07,508 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-23 02:28:07,508 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_check_link_status [2021-11-23 02:28:07,508 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_check_link_status [2021-11-23 02:28:07,508 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-23 02:28:07,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-23 02:28:07,508 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_alloc_rx_buffer [2021-11-23 02:28:07,509 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_alloc_rx_buffer [2021-11-23 02:28:07,509 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_mdio_lock_of_atl1c_adapter [2021-11-23 02:28:07,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_mdio_lock_of_atl1c_adapter [2021-11-23 02:28:07,509 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_io_resume [2021-11-23 02:28:07,509 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_io_resume [2021-11-23 02:28:07,509 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_write_phy_dbg [2021-11-23 02:28:07,510 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_write_phy_dbg [2021-11-23 02:28:07,510 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_wait_mdio_idle [2021-11-23 02:28:07,510 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_wait_mdio_idle [2021-11-23 02:28:07,510 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-11-23 02:28:07,511 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-11-23 02:28:07,511 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-23 02:28:07,511 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-23 02:28:07,511 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_vlan_mode [2021-11-23 02:28:07,511 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_vlan_mode [2021-11-23 02:28:07,512 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_tx_buffer [2021-11-23 02:28:07,512 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_tx_buffer [2021-11-23 02:28:07,512 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_down [2021-11-23 02:28:07,512 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_down [2021-11-23 02:28:07,512 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_suspend [2021-11-23 02:28:07,512 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_suspend [2021-11-23 02:28:07,513 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 02:28:07,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 02:28:07,513 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2021-11-23 02:28:07,513 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2021-11-23 02:28:07,513 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-11-23 02:28:07,513 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-11-23 02:28:07,514 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-23 02:28:07,514 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-23 02:28:07,514 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 02:28:07,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 02:28:07,514 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-23 02:28:07,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-23 02:28:07,515 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-23 02:28:07,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-23 02:28:07,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-23 02:28:07,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-23 02:28:07,515 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-23 02:28:07,516 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-23 02:28:07,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2021-11-23 02:28:07,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2021-11-23 02:28:07,516 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_tx_timeout [2021-11-23 02:28:07,516 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_tx_timeout [2021-11-23 02:28:07,516 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-11-23 02:28:07,517 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-11-23 02:28:07,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-23 02:28:07,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-23 02:28:07,517 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_tpd [2021-11-23 02:28:07,517 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_tpd [2021-11-23 02:28:07,517 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_hw_set_mac_addr [2021-11-23 02:28:07,518 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_hw_set_mac_addr [2021-11-23 02:28:07,518 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-11-23 02:28:07,518 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-11-23 02:28:07,518 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2021-11-23 02:28:07,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2021-11-23 02:28:07,519 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-11-23 02:28:07,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-11-23 02:28:07,519 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_restart_autoneg [2021-11-23 02:28:07,519 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_restart_autoneg [2021-11-23 02:28:07,519 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_set_rxbufsize [2021-11-23 02:28:07,519 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_set_rxbufsize [2021-11-23 02:28:07,520 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-23 02:28:07,520 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-23 02:28:07,520 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-23 02:28:07,520 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-23 02:28:07,520 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_free_irq [2021-11-23 02:28:07,520 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_free_irq [2021-11-23 02:28:07,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-11-23 02:28:07,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-11-23 02:28:07,521 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_write_phy_ext [2021-11-23 02:28:07,521 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_write_phy_ext [2021-11-23 02:28:07,521 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-11-23 02:28:07,521 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-11-23 02:28:07,522 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-23 02:28:07,522 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-23 02:28:07,522 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 02:28:07,522 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-11-23 02:28:07,522 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-11-23 02:28:07,522 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_nway_reset [2021-11-23 02:28:07,523 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_nway_reset [2021-11-23 02:28:07,523 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_reset_dma_ring [2021-11-23 02:28:07,523 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_reset_dma_ring [2021-11-23 02:28:07,523 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-23 02:28:07,523 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-23 02:28:07,524 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 02:28:07,524 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_irq_enable [2021-11-23 02:28:07,524 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_irq_enable [2021-11-23 02:28:07,524 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2021-11-23 02:28:07,524 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2021-11-23 02:28:07,524 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_eeprom_len [2021-11-23 02:28:07,525 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_eeprom_len [2021-11-23 02:28:07,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 02:28:07,525 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-23 02:28:07,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-23 02:28:07,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-11-23 02:28:07,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-11-23 02:28:07,526 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_check_eeprom_exist [2021-11-23 02:28:07,526 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_check_eeprom_exist [2021-11-23 02:28:07,526 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-11-23 02:28:07,526 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-11-23 02:28:07,526 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-11-23 02:28:07,526 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-11-23 02:28:07,527 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_netpoll [2021-11-23 02:28:07,527 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_netpoll [2021-11-23 02:28:07,527 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-23 02:28:07,527 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-23 02:28:07,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-23 02:28:07,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-23 02:28:07,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-23 02:28:07,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-23 02:28:07,528 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_configure [2021-11-23 02:28:07,528 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_configure [2021-11-23 02:28:07,528 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2021-11-23 02:28:07,528 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2021-11-23 02:28:07,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_85 [2021-11-23 02:28:07,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_85 [2021-11-23 02:28:07,529 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_clean_tx_ring [2021-11-23 02:28:07,529 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_clean_tx_ring [2021-11-23 02:28:07,529 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_phy_reset [2021-11-23 02:28:07,529 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_phy_reset [2021-11-23 02:28:07,530 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_open [2021-11-23 02:28:07,530 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_open [2021-11-23 02:28:07,530 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-23 02:28:07,530 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-23 02:28:07,530 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-23 02:28:07,530 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-23 02:28:07,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_atl1c_driver_exit_16_2 [2021-11-23 02:28:07,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_atl1c_driver_exit_16_2 [2021-11-23 02:28:07,531 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2021-11-23 02:28:07,531 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2021-11-23 02:28:07,531 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2021-11-23 02:28:07,531 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2021-11-23 02:28:07,531 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_intr [2021-11-23 02:28:07,532 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_intr [2021-11-23 02:28:07,532 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-23 02:28:07,532 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-23 02:28:07,532 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_power_saving [2021-11-23 02:28:07,532 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_power_saving [2021-11-23 02:28:07,532 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_phy_setup_adv [2021-11-23 02:28:07,533 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_phy_setup_adv [2021-11-23 02:28:07,533 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2021-11-23 02:28:07,533 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2021-11-23 02:28:07,533 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-23 02:28:07,533 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-23 02:28:07,533 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_clean_buffer [2021-11-23 02:28:07,534 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_clean_buffer [2021-11-23 02:28:07,534 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_remove [2021-11-23 02:28:07,534 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_remove [2021-11-23 02:28:07,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 02:28:07,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-23 02:28:07,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-23 02:28:07,535 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_86 [2021-11-23 02:28:07,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_86 [2021-11-23 02:28:07,535 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-23 02:28:07,535 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-23 02:28:07,535 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-11-23 02:28:07,535 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-11-23 02:28:07,536 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_up [2021-11-23 02:28:07,536 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_up [2021-11-23 02:28:07,536 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-11-23 02:28:07,536 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-11-23 02:28:07,536 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_disable_l0s_l1 [2021-11-23 02:28:07,536 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_disable_l0s_l1 [2021-11-23 02:28:07,537 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_resume [2021-11-23 02:28:07,537 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_resume [2021-11-23 02:28:07,537 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdrlen [2021-11-23 02:28:07,537 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdrlen [2021-11-23 02:28:07,537 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_reset_pcie [2021-11-23 02:28:07,537 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_reset_pcie [2021-11-23 02:28:07,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-23 02:28:07,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-23 02:28:07,538 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-11-23 02:28:07,538 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-11-23 02:28:07,538 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-11-23 02:28:07,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-11-23 02:28:07,539 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_shutdown [2021-11-23 02:28:07,539 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_shutdown [2021-11-23 02:28:07,539 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_set_aspm [2021-11-23 02:28:07,539 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_set_aspm [2021-11-23 02:28:07,539 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2021-11-23 02:28:07,539 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2021-11-23 02:28:07,540 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2021-11-23 02:28:07,540 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2021-11-23 02:28:07,540 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-11-23 02:28:07,540 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-11-23 02:28:07,540 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_read_phy_reg [2021-11-23 02:28:07,540 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_read_phy_reg [2021-11-23 02:28:07,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 02:28:07,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-23 02:28:07,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-23 02:28:09,195 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 02:28:09,200 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 02:28:10,034 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-23 02:28:20,815 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-23 02:28:21,289 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 02:28:25,020 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 02:28:25,020 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 02:28:25,031 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:28:25 BoogieIcfgContainer [2021-11-23 02:28:25,031 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 02:28:25,035 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 02:28:25,036 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 02:28:25,040 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 02:28:25,040 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:27:57" (1/3) ... [2021-11-23 02:28:25,041 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c8ccf97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:28:25, skipping insertion in model container [2021-11-23 02:28:25,042 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:06" (2/3) ... [2021-11-23 02:28:25,042 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c8ccf97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:28:25, skipping insertion in model container [2021-11-23 02:28:25,043 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:28:25" (3/3) ... [2021-11-23 02:28:25,047 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i [2021-11-23 02:28:25,061 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 02:28:25,061 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2021-11-23 02:28:25,153 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 02:28:25,174 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=FINITE_AUTOMATA, 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 02:28:25,178 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-11-23 02:28:25,302 INFO L276 IsEmpty]: Start isEmpty. Operand has 3201 states, 1896 states have (on average 1.2674050632911393) internal successors, (2403), 1936 states have internal predecessors, (2403), 1138 states have call successors, (1138), 164 states have call predecessors, (1138), 163 states have return successors, (1129), 1121 states have call predecessors, (1129), 1129 states have call successors, (1129) [2021-11-23 02:28:25,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2021-11-23 02:28:25,329 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:28:25,331 INFO L514 BasicCegarLoop]: trace histogram [18, 17, 17, 17, 17, 17, 17, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:28:25,331 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-23 02:28:25,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:28:25,342 INFO L85 PathProgramCache]: Analyzing trace with hash 10522210, now seen corresponding path program 1 times [2021-11-23 02:28:25,354 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:28:25,355 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346361603] [2021-11-23 02:28:25,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:28:25,357 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:28:25,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:28:26,371 INFO L134 CoverageAnalysis]: Checked inductivity of 1125 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1125 trivial. 0 not checked. [2021-11-23 02:28:26,372 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:28:26,380 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346361603] [2021-11-23 02:28:26,381 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [346361603] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:28:26,381 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:28:26,382 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:28:26,384 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186779198] [2021-11-23 02:28:26,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:28:26,390 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:28:26,391 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:28:26,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:28:26,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:28:26,448 INFO L87 Difference]: Start difference. First operand has 3201 states, 1896 states have (on average 1.2674050632911393) internal successors, (2403), 1936 states have internal predecessors, (2403), 1138 states have call successors, (1138), 164 states have call predecessors, (1138), 163 states have return successors, (1129), 1121 states have call predecessors, (1129), 1129 states have call successors, (1129) Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2021-11-23 02:28:29,237 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:28:33,900 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:28:35,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:28:35,268 INFO L93 Difference]: Finished difference Result 9426 states and 13907 transitions. [2021-11-23 02:28:35,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:28:35,271 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 194 [2021-11-23 02:28:35,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:28:35,377 INFO L225 Difference]: With dead ends: 9426 [2021-11-23 02:28:35,378 INFO L226 Difference]: Without dead ends: 6247 [2021-11-23 02:28:35,420 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 02:28:35,426 INFO L933 BasicCegarLoop]: 5207 mSDtfsCounter, 4490 mSDsluCounter, 4607 mSDsCounter, 0 mSdLazyCounter, 1066 mSolverCounterSat, 9 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4490 SdHoareTripleChecker+Valid, 9305 SdHoareTripleChecker+Invalid, 1077 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1066 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2021-11-23 02:28:35,427 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4490 Valid, 9305 Invalid, 1077 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 1066 Invalid, 2 Unknown, 0 Unchecked, 8.1s Time] [2021-11-23 02:28:35,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6247 states. [2021-11-23 02:28:36,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6247 to 6239. [2021-11-23 02:28:36,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6239 states, 3719 states have (on average 1.2635116966926594) internal successors, (4699), 3798 states have internal predecessors, (4699), 2196 states have call successors, (2196), 321 states have call predecessors, (2196), 320 states have return successors, (2192), 2175 states have call predecessors, (2192), 2192 states have call successors, (2192) [2021-11-23 02:28:36,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6239 states to 6239 states and 9087 transitions. [2021-11-23 02:28:36,444 INFO L78 Accepts]: Start accepts. Automaton has 6239 states and 9087 transitions. Word has length 194 [2021-11-23 02:28:36,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:28:36,447 INFO L470 AbstractCegarLoop]: Abstraction has 6239 states and 9087 transitions. [2021-11-23 02:28:36,447 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2021-11-23 02:28:36,447 INFO L276 IsEmpty]: Start isEmpty. Operand 6239 states and 9087 transitions. [2021-11-23 02:28:36,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2021-11-23 02:28:36,457 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:28:36,458 INFO L514 BasicCegarLoop]: trace histogram [18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:28:36,458 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 02:28:36,458 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-23 02:28:36,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:28:36,460 INFO L85 PathProgramCache]: Analyzing trace with hash 1355841023, now seen corresponding path program 1 times [2021-11-23 02:28:36,460 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:28:36,460 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866577203] [2021-11-23 02:28:36,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:28:36,461 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:28:36,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:28:36,826 INFO L134 CoverageAnalysis]: Checked inductivity of 1122 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1122 trivial. 0 not checked. [2021-11-23 02:28:36,829 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:28:36,831 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866577203] [2021-11-23 02:28:36,832 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1866577203] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:28:36,832 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:28:36,832 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:28:36,832 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7730376] [2021-11-23 02:28:36,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:28:36,835 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:28:36,836 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:28:36,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:28:36,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:28:36,838 INFO L87 Difference]: Start difference. First operand 6239 states and 9087 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2021-11-23 02:28:38,980 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:28:41,580 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:28:45,883 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:28:46,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:28:46,908 INFO L93 Difference]: Finished difference Result 18519 states and 27025 transitions. [2021-11-23 02:28:46,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:28:46,909 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 193 [2021-11-23 02:28:46,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:28:47,069 INFO L225 Difference]: With dead ends: 18519 [2021-11-23 02:28:47,069 INFO L226 Difference]: Without dead ends: 12315 [2021-11-23 02:28:47,121 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 02:28:47,123 INFO L933 BasicCegarLoop]: 5356 mSDtfsCounter, 4592 mSDsluCounter, 4541 mSDsCounter, 0 mSdLazyCounter, 1066 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4592 SdHoareTripleChecker+Valid, 9386 SdHoareTripleChecker+Invalid, 1070 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1066 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.3s IncrementalHoareTripleChecker+Time [2021-11-23 02:28:47,125 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4592 Valid, 9386 Invalid, 1070 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1066 Invalid, 1 Unknown, 0 Unchecked, 9.3s Time] [2021-11-23 02:28:47,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12315 states. [2021-11-23 02:28:48,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12315 to 12280. [2021-11-23 02:28:48,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12280 states, 7353 states have (on average 1.2656058751529988) internal successors, (9306), 7514 states have internal predecessors, (9306), 4290 states have call successors, (4290), 640 states have call predecessors, (4290), 633 states have return successors, (4346), 4229 states have call predecessors, (4346), 4286 states have call successors, (4346) [2021-11-23 02:28:48,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12280 states to 12280 states and 17942 transitions. [2021-11-23 02:28:48,713 INFO L78 Accepts]: Start accepts. Automaton has 12280 states and 17942 transitions. Word has length 193 [2021-11-23 02:28:48,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:28:48,717 INFO L470 AbstractCegarLoop]: Abstraction has 12280 states and 17942 transitions. [2021-11-23 02:28:48,718 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2021-11-23 02:28:48,720 INFO L276 IsEmpty]: Start isEmpty. Operand 12280 states and 17942 transitions. [2021-11-23 02:28:48,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2021-11-23 02:28:48,730 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:28:48,731 INFO L514 BasicCegarLoop]: trace histogram [18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:28:48,731 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 02:28:48,731 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-23 02:28:48,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:28:48,733 INFO L85 PathProgramCache]: Analyzing trace with hash -15535106, now seen corresponding path program 1 times [2021-11-23 02:28:48,733 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:28:48,733 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917452152] [2021-11-23 02:28:48,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:28:48,734 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:28:48,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:28:49,057 INFO L134 CoverageAnalysis]: Checked inductivity of 1122 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1122 trivial. 0 not checked. [2021-11-23 02:28:49,058 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:28:49,058 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917452152] [2021-11-23 02:28:49,058 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [917452152] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:28:49,060 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:28:49,060 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:28:49,061 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704321548] [2021-11-23 02:28:49,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:28:49,062 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:28:49,062 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:28:49,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:28:49,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:28:49,064 INFO L87 Difference]: Start difference. First operand 12280 states and 17942 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2021-11-23 02:28:51,543 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:28:56,488 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:28:58,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:28:58,220 INFO L93 Difference]: Finished difference Result 36524 states and 53716 transitions. [2021-11-23 02:28:58,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:28:58,221 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 210 [2021-11-23 02:28:58,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:28:58,500 INFO L225 Difference]: With dead ends: 36524 [2021-11-23 02:28:58,500 INFO L226 Difference]: Without dead ends: 24279 [2021-11-23 02:28:58,653 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 02:28:58,657 INFO L933 BasicCegarLoop]: 5508 mSDtfsCounter, 4575 mSDsluCounter, 4565 mSDsCounter, 0 mSdLazyCounter, 1076 mSolverCounterSat, 6 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4575 SdHoareTripleChecker+Valid, 9569 SdHoareTripleChecker+Invalid, 1084 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1076 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2021-11-23 02:28:58,658 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4575 Valid, 9569 Invalid, 1084 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1076 Invalid, 2 Unknown, 0 Unchecked, 7.8s Time] [2021-11-23 02:28:58,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24279 states. [2021-11-23 02:29:00,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24279 to 24236. [2021-11-23 02:29:01,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24236 states, 14551 states have (on average 1.2665796165212013) internal successors, (18430), 14880 states have internal predecessors, (18430), 8438 states have call successors, (8438), 1266 states have call predecessors, (8438), 1243 states have return successors, (8892), 8289 states have call predecessors, (8892), 8434 states have call successors, (8892) [2021-11-23 02:29:01,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24236 states to 24236 states and 35760 transitions. [2021-11-23 02:29:01,181 INFO L78 Accepts]: Start accepts. Automaton has 24236 states and 35760 transitions. Word has length 210 [2021-11-23 02:29:01,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:29:01,183 INFO L470 AbstractCegarLoop]: Abstraction has 24236 states and 35760 transitions. [2021-11-23 02:29:01,184 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2021-11-23 02:29:01,184 INFO L276 IsEmpty]: Start isEmpty. Operand 24236 states and 35760 transitions. [2021-11-23 02:29:01,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2021-11-23 02:29:01,196 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:29:01,197 INFO L514 BasicCegarLoop]: trace histogram [18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:29:01,197 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-23 02:29:01,198 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-23 02:29:01,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:29:01,199 INFO L85 PathProgramCache]: Analyzing trace with hash -1217994552, now seen corresponding path program 1 times [2021-11-23 02:29:01,199 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:29:01,199 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696924112] [2021-11-23 02:29:01,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:29:01,200 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:29:01,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:29:01,675 INFO L134 CoverageAnalysis]: Checked inductivity of 1122 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1122 trivial. 0 not checked. [2021-11-23 02:29:01,676 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:29:01,676 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696924112] [2021-11-23 02:29:01,676 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [696924112] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:29:01,676 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:29:01,677 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:29:01,677 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185189979] [2021-11-23 02:29:01,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:29:01,678 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:29:01,678 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:29:01,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:29:01,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:29:01,679 INFO L87 Difference]: Start difference. First operand 24236 states and 35760 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2021-11-23 02:29:04,536 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:29:08,093 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:29:10,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:29:10,648 INFO L93 Difference]: Finished difference Result 66320 states and 97593 transitions. [2021-11-23 02:29:10,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:29:10,648 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 213 [2021-11-23 02:29:10,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:29:11,013 INFO L225 Difference]: With dead ends: 66320 [2021-11-23 02:29:11,014 INFO L226 Difference]: Without dead ends: 42119 [2021-11-23 02:29:11,154 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 02:29:11,158 INFO L933 BasicCegarLoop]: 4938 mSDtfsCounter, 3374 mSDsluCounter, 4529 mSDsCounter, 0 mSdLazyCounter, 1087 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3374 SdHoareTripleChecker+Valid, 8990 SdHoareTripleChecker+Invalid, 1095 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1087 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2021-11-23 02:29:11,160 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3374 Valid, 8990 Invalid, 1095 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1087 Invalid, 1 Unknown, 0 Unchecked, 7.2s Time] [2021-11-23 02:29:11,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42119 states. [2021-11-23 02:29:14,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42119 to 42080. [2021-11-23 02:29:14,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42080 states, 25171 states have (on average 1.2611338445035953) internal successors, (31744), 25764 states have internal predecessors, (31744), 14572 states have call successors, (14572), 2380 states have call predecessors, (14572), 2333 states have return successors, (15478), 14275 states have call predecessors, (15478), 14568 states have call successors, (15478) [2021-11-23 02:29:15,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42080 states to 42080 states and 61794 transitions. [2021-11-23 02:29:15,439 INFO L78 Accepts]: Start accepts. Automaton has 42080 states and 61794 transitions. Word has length 213 [2021-11-23 02:29:15,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:29:15,441 INFO L470 AbstractCegarLoop]: Abstraction has 42080 states and 61794 transitions. [2021-11-23 02:29:15,442 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2021-11-23 02:29:15,442 INFO L276 IsEmpty]: Start isEmpty. Operand 42080 states and 61794 transitions. [2021-11-23 02:29:15,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2021-11-23 02:29:15,453 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:29:15,453 INFO L514 BasicCegarLoop]: trace histogram [19, 17, 17, 17, 17, 17, 17, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:29:15,454 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-23 02:29:15,454 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-23 02:29:15,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:29:15,457 INFO L85 PathProgramCache]: Analyzing trace with hash 565967350, now seen corresponding path program 1 times [2021-11-23 02:29:15,458 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:29:15,458 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167368898] [2021-11-23 02:29:15,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:29:15,458 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:29:15,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:29:15,759 INFO L134 CoverageAnalysis]: Checked inductivity of 1167 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 1158 trivial. 0 not checked. [2021-11-23 02:29:15,759 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:29:15,759 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167368898] [2021-11-23 02:29:15,760 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1167368898] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:29:15,760 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:29:15,760 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:29:15,760 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055725294] [2021-11-23 02:29:15,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:29:15,764 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:29:15,764 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:29:15,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:29:15,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:29:15,765 INFO L87 Difference]: Start difference. First operand 42080 states and 61794 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2021-11-23 02:29:22,894 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:29:24,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:29:24,694 INFO L93 Difference]: Finished difference Result 95063 states and 139483 transitions. [2021-11-23 02:29:24,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:29:24,694 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 213 [2021-11-23 02:29:24,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:29:25,230 INFO L225 Difference]: With dead ends: 95063 [2021-11-23 02:29:25,231 INFO L226 Difference]: Without dead ends: 53018 [2021-11-23 02:29:25,468 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 02:29:25,469 INFO L933 BasicCegarLoop]: 5325 mSDtfsCounter, 4564 mSDsluCounter, 4625 mSDsCounter, 0 mSdLazyCounter, 1062 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4564 SdHoareTripleChecker+Valid, 9435 SdHoareTripleChecker+Invalid, 1067 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1062 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2021-11-23 02:29:25,470 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4564 Valid, 9435 Invalid, 1067 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1062 Invalid, 1 Unknown, 0 Unchecked, 6.6s Time] [2021-11-23 02:29:25,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53018 states. [2021-11-23 02:29:30,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53018 to 52971. [2021-11-23 02:29:30,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52971 states, 31639 states have (on average 1.2608489522424855) internal successors, (39892), 32403 states have internal predecessors, (39892), 18362 states have call successors, (18362), 3022 states have call predecessors, (18362), 2966 states have return successors, (19405), 17975 states have call predecessors, (19405), 18358 states have call successors, (19405) [2021-11-23 02:29:30,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52971 states to 52971 states and 77659 transitions. [2021-11-23 02:29:30,566 INFO L78 Accepts]: Start accepts. Automaton has 52971 states and 77659 transitions. Word has length 213 [2021-11-23 02:29:30,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:29:30,572 INFO L470 AbstractCegarLoop]: Abstraction has 52971 states and 77659 transitions. [2021-11-23 02:29:30,573 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2021-11-23 02:29:30,573 INFO L276 IsEmpty]: Start isEmpty. Operand 52971 states and 77659 transitions. [2021-11-23 02:29:30,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2021-11-23 02:29:30,582 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:29:30,583 INFO L514 BasicCegarLoop]: trace histogram [18, 17, 17, 17, 17, 17, 17, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:29:30,583 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-23 02:29:30,583 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-23 02:29:30,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:29:30,584 INFO L85 PathProgramCache]: Analyzing trace with hash 1958527796, now seen corresponding path program 1 times [2021-11-23 02:29:30,584 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:29:30,585 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590563849] [2021-11-23 02:29:30,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:29:30,585 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:29:31,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:29:31,206 INFO L134 CoverageAnalysis]: Checked inductivity of 1124 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1124 trivial. 0 not checked. [2021-11-23 02:29:31,206 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:29:31,207 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590563849] [2021-11-23 02:29:31,207 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [590563849] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:29:31,207 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:29:31,207 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:29:31,208 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081640571] [2021-11-23 02:29:31,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:29:31,210 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:29:31,210 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:29:31,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:29:31,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:29:31,211 INFO L87 Difference]: Start difference. First operand 52971 states and 77659 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2021-11-23 02:29:34,772 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:29:40,681 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:29:43,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:29:43,053 INFO L93 Difference]: Finished difference Result 155119 states and 226508 transitions. [2021-11-23 02:29:43,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:29:43,055 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 223 [2021-11-23 02:29:43,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:29:43,715 INFO L225 Difference]: With dead ends: 155119 [2021-11-23 02:29:43,715 INFO L226 Difference]: Without dead ends: 102183 [2021-11-23 02:29:44,086 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 02:29:44,088 INFO L933 BasicCegarLoop]: 6490 mSDtfsCounter, 4306 mSDsluCounter, 4547 mSDsCounter, 0 mSdLazyCounter, 1371 mSolverCounterSat, 29 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4306 SdHoareTripleChecker+Valid, 10543 SdHoareTripleChecker+Invalid, 1401 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1371 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2021-11-23 02:29:44,088 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4306 Valid, 10543 Invalid, 1401 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1371 Invalid, 1 Unknown, 0 Unchecked, 8.6s Time] [2021-11-23 02:29:44,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102183 states. [2021-11-23 02:29:50,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102183 to 102112. [2021-11-23 02:29:50,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102112 states, 60879 states have (on average 1.2503326270142414) internal successors, (76119), 62274 states have internal predecessors, (76119), 35385 states have call successors, (35385), 5955 states have call predecessors, (35385), 5844 states have return successors, (36755), 34680 states have call predecessors, (36755), 35381 states have call successors, (36755) [2021-11-23 02:29:51,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102112 states to 102112 states and 148259 transitions. [2021-11-23 02:29:51,662 INFO L78 Accepts]: Start accepts. Automaton has 102112 states and 148259 transitions. Word has length 223 [2021-11-23 02:29:51,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:29:51,663 INFO L470 AbstractCegarLoop]: Abstraction has 102112 states and 148259 transitions. [2021-11-23 02:29:51,663 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2021-11-23 02:29:51,663 INFO L276 IsEmpty]: Start isEmpty. Operand 102112 states and 148259 transitions. [2021-11-23 02:29:51,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2021-11-23 02:29:51,677 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:29:51,677 INFO L514 BasicCegarLoop]: trace histogram [21, 17, 17, 17, 17, 17, 17, 5, 5, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:29:51,677 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-23 02:29:51,677 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2021-11-23 02:29:51,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:29:51,678 INFO L85 PathProgramCache]: Analyzing trace with hash 1433704561, now seen corresponding path program 1 times [2021-11-23 02:29:51,678 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:29:51,678 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674731164] [2021-11-23 02:29:51,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:29:51,679 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:29:51,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:29:52,122 INFO L134 CoverageAnalysis]: Checked inductivity of 1270 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1270 trivial. 0 not checked. [2021-11-23 02:29:52,122 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:29:52,122 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674731164] [2021-11-23 02:29:52,123 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [674731164] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:29:52,123 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:29:52,123 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 02:29:52,123 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134690219] [2021-11-23 02:29:52,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:29:52,124 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-23 02:29:52,124 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:29:52,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 02:29:52,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-23 02:29:52,125 INFO L87 Difference]: Start difference. First operand 102112 states and 148259 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-11-23 02:30:02,225 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:30:08,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:30:08,823 INFO L93 Difference]: Finished difference Result 184145 states and 267440 transitions. [2021-11-23 02:30:08,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-23 02:30:08,824 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 238 [2021-11-23 02:30:08,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:30:10,237 INFO L225 Difference]: With dead ends: 184145 [2021-11-23 02:30:10,237 INFO L226 Difference]: Without dead ends: 184143 [2021-11-23 02:30:10,314 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-23 02:30:10,315 INFO L933 BasicCegarLoop]: 5243 mSDtfsCounter, 4565 mSDsluCounter, 16101 mSDsCounter, 0 mSdLazyCounter, 2119 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4580 SdHoareTripleChecker+Valid, 19774 SdHoareTripleChecker+Invalid, 2122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 2119 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.0s IncrementalHoareTripleChecker+Time [2021-11-23 02:30:10,315 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4580 Valid, 19774 Invalid, 2122 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 2119 Invalid, 1 Unknown, 0 Unchecked, 11.0s Time] [2021-11-23 02:30:10,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184143 states.