./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 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca6b346-1c90-4234-b814-ea1fd176f228/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca6b346-1c90-4234-b814-ea1fd176f228/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca6b346-1c90-4234-b814-ea1fd176f228/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca6b346-1c90-4234-b814-ea1fd176f228/bin/utaipan-Q6hlc19bkW/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_6ca6b346-1c90-4234-b814-ea1fd176f228/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca6b346-1c90-4234-b814-ea1fd176f228/bin/utaipan-Q6hlc19bkW --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 --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-4e7fbc6 [2022-11-23 16:04:12,658 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 16:04:12,666 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 16:04:12,691 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 16:04:12,697 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 16:04:12,701 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 16:04:12,705 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 16:04:12,709 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 16:04:12,714 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 16:04:12,720 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 16:04:12,722 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 16:04:12,725 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 16:04:12,726 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 16:04:12,728 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 16:04:12,731 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 16:04:12,734 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 16:04:12,735 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 16:04:12,736 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 16:04:12,739 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 16:04:12,746 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 16:04:12,747 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 16:04:12,750 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 16:04:12,751 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 16:04:12,752 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 16:04:12,763 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 16:04:12,763 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 16:04:12,764 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 16:04:12,766 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 16:04:12,766 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 16:04:12,768 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 16:04:12,769 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 16:04:12,770 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 16:04:12,772 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 16:04:12,774 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 16:04:12,775 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 16:04:12,776 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 16:04:12,776 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 16:04:12,777 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 16:04:12,777 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 16:04:12,779 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 16:04:12,780 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 16:04:12,781 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca6b346-1c90-4234-b814-ea1fd176f228/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-23 16:04:12,824 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 16:04:12,824 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 16:04:12,825 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 16:04:12,825 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 16:04:12,826 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 16:04:12,827 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 16:04:12,827 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 16:04:12,827 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 16:04:12,828 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 16:04:12,828 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 16:04:12,829 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 16:04:12,829 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 16:04:12,830 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 16:04:12,830 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 16:04:12,830 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 16:04:12,831 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 16:04:12,831 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 16:04:12,831 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 16:04:12,832 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 16:04:12,832 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 16:04:12,833 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 16:04:12,833 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 16:04:12,833 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 16:04:12,834 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 16:04:12,834 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 16:04:12,834 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 16:04:12,835 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 16:04:12,835 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 16:04:12,836 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 16:04:12,836 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 16:04:12,837 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 16:04:12,837 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 16:04:12,837 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 16:04:12,838 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 16:04:12,838 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 16:04:12,838 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 16:04:12,838 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 16:04:12,839 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 16:04:12,839 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca6b346-1c90-4234-b814-ea1fd176f228/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca6b346-1c90-4234-b814-ea1fd176f228/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 33bd09d869d296ee6412c3b7b3ef9c41644173ec61a0d0594392f209ae5abb1a [2022-11-23 16:04:13,159 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 16:04:13,199 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 16:04:13,202 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 16:04:13,204 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 16:04:13,204 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 16:04:13,205 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca6b346-1c90-4234-b814-ea1fd176f228/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i [2022-11-23 16:04:16,383 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 16:04:17,279 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 16:04:17,280 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca6b346-1c90-4234-b814-ea1fd176f228/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i [2022-11-23 16:04:17,359 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca6b346-1c90-4234-b814-ea1fd176f228/bin/utaipan-Q6hlc19bkW/data/0f29ce57d/ead9585678f844478ec9b66aec337cdb/FLAG5de15e592 [2022-11-23 16:04:17,379 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca6b346-1c90-4234-b814-ea1fd176f228/bin/utaipan-Q6hlc19bkW/data/0f29ce57d/ead9585678f844478ec9b66aec337cdb [2022-11-23 16:04:17,384 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 16:04:17,386 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 16:04:17,391 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 16:04:17,391 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 16:04:17,395 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 16:04:17,397 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:04:17" (1/1) ... [2022-11-23 16:04:17,398 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fa291bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:04:17, skipping insertion in model container [2022-11-23 16:04:17,398 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:04:17" (1/1) ... [2022-11-23 16:04:17,407 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 16:04:17,663 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 16:04:23,129 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca6b346-1c90-4234-b814-ea1fd176f228/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] [2022-11-23 16:04:23,133 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca6b346-1c90-4234-b814-ea1fd176f228/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] [2022-11-23 16:04:23,134 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca6b346-1c90-4234-b814-ea1fd176f228/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] [2022-11-23 16:04:23,134 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca6b346-1c90-4234-b814-ea1fd176f228/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] [2022-11-23 16:04:23,164 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 16:04:23,199 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 16:04:23,895 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca6b346-1c90-4234-b814-ea1fd176f228/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] [2022-11-23 16:04:23,896 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca6b346-1c90-4234-b814-ea1fd176f228/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] [2022-11-23 16:04:23,897 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca6b346-1c90-4234-b814-ea1fd176f228/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] [2022-11-23 16:04:23,898 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca6b346-1c90-4234-b814-ea1fd176f228/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] [2022-11-23 16:04:23,911 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 16:04:24,268 INFO L208 MainTranslator]: Completed translation [2022-11-23 16:04:24,269 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:04:24 WrapperNode [2022-11-23 16:04:24,269 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 16:04:24,270 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 16:04:24,271 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 16:04:24,271 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 16:04:24,280 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:04:24" (1/1) ... [2022-11-23 16:04:24,446 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:04:24" (1/1) ... [2022-11-23 16:04:24,825 INFO L138 Inliner]: procedures = 699, calls = 4066, calls flagged for inlining = 372, calls inlined = 346, statements flattened = 10275 [2022-11-23 16:04:24,825 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 16:04:24,826 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 16:04:24,826 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 16:04:24,826 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 16:04:24,838 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:04:24" (1/1) ... [2022-11-23 16:04:24,838 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:04:24" (1/1) ... [2022-11-23 16:04:24,886 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:04:24" (1/1) ... [2022-11-23 16:04:24,887 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:04:24" (1/1) ... [2022-11-23 16:04:25,059 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:04:24" (1/1) ... [2022-11-23 16:04:25,085 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:04:24" (1/1) ... [2022-11-23 16:04:25,126 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:04:24" (1/1) ... [2022-11-23 16:04:25,268 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:04:24" (1/1) ... [2022-11-23 16:04:25,325 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 16:04:25,326 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 16:04:25,326 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 16:04:25,326 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 16:04:25,327 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:04:24" (1/1) ... [2022-11-23 16:04:25,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 16:04:25,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca6b346-1c90-4234-b814-ea1fd176f228/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 16:04:25,361 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca6b346-1c90-4234-b814-ea1fd176f228/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 16:04:25,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca6b346-1c90-4234-b814-ea1fd176f228/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 16:04:25,406 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_93 [2022-11-23 16:04:25,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_93 [2022-11-23 16:04:25,407 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-23 16:04:25,407 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-23 16:04:25,407 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2022-11-23 16:04:25,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2022-11-23 16:04:25,407 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_read_phy_core [2022-11-23 16:04:25,407 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_read_phy_core [2022-11-23 16:04:25,408 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2022-11-23 16:04:25,408 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2022-11-23 16:04:25,408 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_post_phy_linkchg [2022-11-23 16:04:25,408 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_post_phy_linkchg [2022-11-23 16:04:25,408 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-23 16:04:25,408 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-23 16:04:25,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-23 16:04:25,409 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-23 16:04:25,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_80 [2022-11-23 16:04:25,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_80 [2022-11-23 16:04:25,410 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-11-23 16:04:25,410 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-11-23 16:04:25,411 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-23 16:04:25,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-23 16:04:25,411 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_clean_rx_ring [2022-11-23 16:04:25,412 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_clean_rx_ring [2022-11-23 16:04:25,412 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-23 16:04:25,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-23 16:04:25,412 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-23 16:04:25,412 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-23 16:04:25,412 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-23 16:04:25,412 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-23 16:04:25,413 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-23 16:04:25,413 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-23 16:04:25,413 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_read_current_addr [2022-11-23 16:04:25,413 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_read_current_addr [2022-11-23 16:04:25,413 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-23 16:04:25,414 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-23 16:04:25,414 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_reset_mac [2022-11-23 16:04:25,414 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_reset_mac [2022-11-23 16:04:25,414 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_irq_disable [2022-11-23 16:04:25,414 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_irq_disable [2022-11-23 16:04:25,414 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_stop_phy_polling [2022-11-23 16:04:25,414 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_stop_phy_polling [2022-11-23 16:04:25,415 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-23 16:04:25,415 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-23 16:04:25,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-23 16:04:25,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-23 16:04:25,417 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-23 16:04:25,417 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-23 16:04:25,417 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-23 16:04:25,417 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-23 16:04:25,418 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-23 16:04:25,418 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-23 16:04:25,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-23 16:04:25,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-23 16:04:25,418 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-23 16:04:25,418 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-23 16:04:25,419 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-11-23 16:04:25,419 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-11-23 16:04:25,419 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-11-23 16:04:25,419 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-11-23 16:04:25,419 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 16:04:25,419 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-23 16:04:25,419 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-23 16:04:25,420 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_speed_and_duplex [2022-11-23 16:04:25,420 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_speed_and_duplex [2022-11-23 16:04:25,420 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_mdio_lock_of_atl1c_adapter [2022-11-23 16:04:25,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_mdio_lock_of_atl1c_adapter [2022-11-23 16:04:25,421 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-11-23 16:04:25,421 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-11-23 16:04:25,422 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_close [2022-11-23 16:04:25,422 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_close [2022-11-23 16:04:25,422 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-23 16:04:25,422 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-23 16:04:25,422 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_write_phy_reg [2022-11-23 16:04:25,423 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_write_phy_reg [2022-11-23 16:04:25,423 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-23 16:04:25,424 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_phy_init [2022-11-23 16:04:25,424 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_phy_init [2022-11-23 16:04:25,424 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_read_phy_dbg [2022-11-23 16:04:25,424 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_read_phy_dbg [2022-11-23 16:04:25,424 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_regs_len [2022-11-23 16:04:25,424 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_regs_len [2022-11-23 16:04:25,424 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-23 16:04:25,425 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-23 16:04:25,425 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-23 16:04:25,425 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-23 16:04:25,426 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_free_ring_resources [2022-11-23 16:04:25,426 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_free_ring_resources [2022-11-23 16:04:25,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-23 16:04:25,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-23 16:04:25,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-23 16:04:25,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 16:04:25,427 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-23 16:04:25,427 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-23 16:04:25,427 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-23 16:04:25,427 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-23 16:04:25,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-23 16:04:25,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-23 16:04:25,428 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-11-23 16:04:25,428 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-11-23 16:04:25,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-23 16:04:25,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-23 16:04:25,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-23 16:04:25,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-23 16:04:25,430 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-23 16:04:25,433 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-23 16:04:25,434 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_set_multi [2022-11-23 16:04:25,434 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_set_multi [2022-11-23 16:04:25,434 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-23 16:04:25,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-23 16:04:25,435 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-23 16:04:25,435 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-23 16:04:25,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-23 16:04:25,436 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-23 16:04:25,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-23 16:04:25,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-11-23 16:04:25,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-11-23 16:04:25,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2022-11-23 16:04:25,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2022-11-23 16:04:25,442 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 16:04:25,442 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-23 16:04:25,443 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-23 16:04:25,443 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-23 16:04:25,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-23 16:04:25,443 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-23 16:04:25,443 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-23 16:04:25,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-23 16:04:25,443 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_start_phy_polling [2022-11-23 16:04:25,444 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_start_phy_polling [2022-11-23 16:04:25,444 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2022-11-23 16:04:25,444 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2022-11-23 16:04:25,444 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-23 16:04:25,444 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-23 16:04:25,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-23 16:04:25,444 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-11-23 16:04:25,444 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-11-23 16:04:25,445 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-23 16:04:25,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-23 16:04:25,445 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2022-11-23 16:04:25,445 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2022-11-23 16:04:25,445 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_write_phy_core [2022-11-23 16:04:25,445 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_write_phy_core [2022-11-23 16:04:25,445 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_wait_until_idle [2022-11-23 16:04:25,445 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_wait_until_idle [2022-11-23 16:04:25,446 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-11-23 16:04:25,446 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-11-23 16:04:25,446 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-11-23 16:04:25,446 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-11-23 16:04:25,446 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-23 16:04:25,446 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-23 16:04:25,446 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_check_link_status [2022-11-23 16:04:25,447 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_check_link_status [2022-11-23 16:04:25,447 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-23 16:04:25,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-23 16:04:25,447 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_alloc_rx_buffer [2022-11-23 16:04:25,447 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_alloc_rx_buffer [2022-11-23 16:04:25,447 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_mdio_lock_of_atl1c_adapter [2022-11-23 16:04:25,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_mdio_lock_of_atl1c_adapter [2022-11-23 16:04:25,448 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_io_resume [2022-11-23 16:04:25,448 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_io_resume [2022-11-23 16:04:25,448 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_write_phy_dbg [2022-11-23 16:04:25,448 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_write_phy_dbg [2022-11-23 16:04:25,448 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_wait_mdio_idle [2022-11-23 16:04:25,448 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_wait_mdio_idle [2022-11-23 16:04:25,449 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-23 16:04:25,449 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-23 16:04:25,449 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-23 16:04:25,449 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-23 16:04:25,449 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_vlan_mode [2022-11-23 16:04:25,449 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_vlan_mode [2022-11-23 16:04:25,449 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_tx_buffer [2022-11-23 16:04:25,450 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_tx_buffer [2022-11-23 16:04:25,450 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_down [2022-11-23 16:04:25,450 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_down [2022-11-23 16:04:25,451 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_suspend [2022-11-23 16:04:25,451 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_suspend [2022-11-23 16:04:25,451 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 16:04:25,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 16:04:25,453 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-11-23 16:04:25,453 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-11-23 16:04:25,453 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-11-23 16:04:25,453 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-11-23 16:04:25,453 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-23 16:04:25,453 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-23 16:04:25,453 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-23 16:04:25,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-23 16:04:25,454 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-23 16:04:25,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-23 16:04:25,454 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-23 16:04:25,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-23 16:04:25,454 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-23 16:04:25,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-23 16:04:25,454 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-23 16:04:25,455 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-23 16:04:25,455 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2022-11-23 16:04:25,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2022-11-23 16:04:25,455 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_tx_timeout [2022-11-23 16:04:25,455 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_tx_timeout [2022-11-23 16:04:25,455 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-11-23 16:04:25,455 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-11-23 16:04:25,455 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-23 16:04:25,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-23 16:04:25,456 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_tpd [2022-11-23 16:04:25,456 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_tpd [2022-11-23 16:04:25,456 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_hw_set_mac_addr [2022-11-23 16:04:25,456 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_hw_set_mac_addr [2022-11-23 16:04:25,456 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-11-23 16:04:25,456 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-11-23 16:04:25,456 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2022-11-23 16:04:25,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2022-11-23 16:04:25,457 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-11-23 16:04:25,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-11-23 16:04:25,457 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_restart_autoneg [2022-11-23 16:04:25,457 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_restart_autoneg [2022-11-23 16:04:25,457 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_set_rxbufsize [2022-11-23 16:04:25,457 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_set_rxbufsize [2022-11-23 16:04:25,457 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-23 16:04:25,458 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-23 16:04:25,458 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-23 16:04:25,458 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-23 16:04:25,458 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_free_irq [2022-11-23 16:04:25,458 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_free_irq [2022-11-23 16:04:25,458 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-11-23 16:04:25,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-11-23 16:04:25,458 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_write_phy_ext [2022-11-23 16:04:25,459 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_write_phy_ext [2022-11-23 16:04:25,459 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-11-23 16:04:25,459 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-11-23 16:04:25,459 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-23 16:04:25,459 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-23 16:04:25,459 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 16:04:25,460 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-11-23 16:04:25,464 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-11-23 16:04:25,464 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_nway_reset [2022-11-23 16:04:25,464 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_nway_reset [2022-11-23 16:04:25,464 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_reset_dma_ring [2022-11-23 16:04:25,465 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_reset_dma_ring [2022-11-23 16:04:25,465 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-23 16:04:25,465 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-23 16:04:25,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-23 16:04:25,465 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_irq_enable [2022-11-23 16:04:25,466 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_irq_enable [2022-11-23 16:04:25,467 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-11-23 16:04:25,467 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-11-23 16:04:25,467 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_eeprom_len [2022-11-23 16:04:25,467 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_eeprom_len [2022-11-23 16:04:25,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-23 16:04:25,467 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-23 16:04:25,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-23 16:04:25,468 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-11-23 16:04:25,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-11-23 16:04:25,468 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_check_eeprom_exist [2022-11-23 16:04:25,468 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_check_eeprom_exist [2022-11-23 16:04:25,468 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-11-23 16:04:25,468 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-11-23 16:04:25,468 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-11-23 16:04:25,468 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-11-23 16:04:25,469 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_netpoll [2022-11-23 16:04:25,469 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_netpoll [2022-11-23 16:04:25,469 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-23 16:04:25,469 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-23 16:04:25,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-23 16:04:25,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-23 16:04:25,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-23 16:04:25,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-23 16:04:25,469 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_configure [2022-11-23 16:04:25,470 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_configure [2022-11-23 16:04:25,470 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2022-11-23 16:04:25,470 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2022-11-23 16:04:25,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_85 [2022-11-23 16:04:25,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_85 [2022-11-23 16:04:25,470 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_clean_tx_ring [2022-11-23 16:04:25,470 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_clean_tx_ring [2022-11-23 16:04:25,470 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_phy_reset [2022-11-23 16:04:25,470 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_phy_reset [2022-11-23 16:04:25,471 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_open [2022-11-23 16:04:25,471 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_open [2022-11-23 16:04:25,471 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-23 16:04:25,471 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-23 16:04:25,471 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-23 16:04:25,471 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-23 16:04:25,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_atl1c_driver_exit_16_2 [2022-11-23 16:04:25,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_atl1c_driver_exit_16_2 [2022-11-23 16:04:25,472 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-11-23 16:04:25,472 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-11-23 16:04:25,472 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2022-11-23 16:04:25,472 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2022-11-23 16:04:25,472 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_intr [2022-11-23 16:04:25,472 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_intr [2022-11-23 16:04:25,472 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-23 16:04:25,472 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-23 16:04:25,472 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_power_saving [2022-11-23 16:04:25,473 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_power_saving [2022-11-23 16:04:25,473 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_phy_setup_adv [2022-11-23 16:04:25,473 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_phy_setup_adv [2022-11-23 16:04:25,473 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-11-23 16:04:25,473 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-11-23 16:04:25,473 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-23 16:04:25,473 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-23 16:04:25,473 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_clean_buffer [2022-11-23 16:04:25,474 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_clean_buffer [2022-11-23 16:04:25,474 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_remove [2022-11-23 16:04:25,474 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_remove [2022-11-23 16:04:25,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 16:04:25,474 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-23 16:04:25,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-23 16:04:25,474 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_86 [2022-11-23 16:04:25,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_86 [2022-11-23 16:04:25,474 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-23 16:04:25,475 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-23 16:04:25,475 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-23 16:04:25,475 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-23 16:04:25,475 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_up [2022-11-23 16:04:25,475 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_up [2022-11-23 16:04:25,475 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-23 16:04:25,475 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-23 16:04:25,475 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_disable_l0s_l1 [2022-11-23 16:04:25,475 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_disable_l0s_l1 [2022-11-23 16:04:25,476 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_resume [2022-11-23 16:04:25,476 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_resume [2022-11-23 16:04:25,476 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdrlen [2022-11-23 16:04:25,476 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdrlen [2022-11-23 16:04:25,476 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_reset_pcie [2022-11-23 16:04:25,476 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_reset_pcie [2022-11-23 16:04:25,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-23 16:04:25,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-23 16:04:25,477 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-11-23 16:04:25,477 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-11-23 16:04:25,477 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-23 16:04:25,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-23 16:04:25,477 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_shutdown [2022-11-23 16:04:25,477 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_shutdown [2022-11-23 16:04:25,477 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_set_aspm [2022-11-23 16:04:25,477 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_set_aspm [2022-11-23 16:04:25,477 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2022-11-23 16:04:25,478 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2022-11-23 16:04:25,478 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-11-23 16:04:25,478 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-11-23 16:04:25,478 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-23 16:04:25,478 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-23 16:04:25,478 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_read_phy_reg [2022-11-23 16:04:25,478 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_read_phy_reg [2022-11-23 16:04:25,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 16:04:25,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-23 16:04:25,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-23 16:04:26,986 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 16:04:26,996 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 16:04:27,802 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-23 16:04:39,915 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-23 16:04:40,552 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 16:04:43,963 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 16:04:43,964 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-23 16:04:43,973 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:04:43 BoogieIcfgContainer [2022-11-23 16:04:43,973 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 16:04:43,977 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 16:04:43,977 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 16:04:43,982 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 16:04:43,982 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 04:04:17" (1/3) ... [2022-11-23 16:04:43,984 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e751f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:04:43, skipping insertion in model container [2022-11-23 16:04:43,984 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:04:24" (2/3) ... [2022-11-23 16:04:43,985 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e751f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:04:43, skipping insertion in model container [2022-11-23 16:04:43,985 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:04:43" (3/3) ... [2022-11-23 16:04:43,986 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i [2022-11-23 16:04:44,009 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 16:04:44,010 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-11-23 16:04:44,142 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 16:04:44,149 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@75a59136, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 16:04:44,149 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-11-23 16:04:44,166 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) [2022-11-23 16:04:44,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2022-11-23 16:04:44,198 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 16:04:44,199 INFO L195 NwaCegarLoop]: 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] [2022-11-23 16:04:44,200 INFO L420 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)] === [2022-11-23 16:04:44,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 16:04:44,205 INFO L85 PathProgramCache]: Analyzing trace with hash 1061047388, now seen corresponding path program 1 times [2022-11-23 16:04:44,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 16:04:44,215 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357714409] [2022-11-23 16:04:44,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 16:04:44,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 16:04:44,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 16:04:45,181 INFO L134 CoverageAnalysis]: Checked inductivity of 1125 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1125 trivial. 0 not checked. [2022-11-23 16:04:45,182 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 16:04:45,185 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1357714409] [2022-11-23 16:04:45,186 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1357714409] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 16:04:45,186 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 16:04:45,186 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 16:04:45,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698696493] [2022-11-23 16:04:45,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 16:04:45,193 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 16:04:45,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 16:04:45,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 16:04:45,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 16:04:45,245 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) [2022-11-23 16:04:47,880 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:04:51,297 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:04:53,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 16:04:53,701 INFO L93 Difference]: Finished difference Result 9442 states and 13929 transitions. [2022-11-23 16:04:53,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 16:04:53,704 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 [2022-11-23 16:04:53,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 16:04:53,800 INFO L225 Difference]: With dead ends: 9442 [2022-11-23 16:04:53,801 INFO L226 Difference]: Without dead ends: 6263 [2022-11-23 16:04:53,835 INFO L412 NwaCegarLoop]: 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 [2022-11-23 16:04:53,840 INFO L413 NwaCegarLoop]: 5258 mSDtfsCounter, 4513 mSDsluCounter, 4106 mSDsCounter, 0 mSdLazyCounter, 1054 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4513 SdHoareTripleChecker+Valid, 9364 SdHoareTripleChecker+Invalid, 1064 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1054 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2022-11-23 16:04:53,842 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4513 Valid, 9364 Invalid, 1064 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 1054 Invalid, 1 Unknown, 0 Unchecked, 7.8s Time] [2022-11-23 16:04:53,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6263 states. [2022-11-23 16:04:54,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6263 to 6257. [2022-11-23 16:04:54,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6257 states, 3728 states have (on average 1.2631437768240343) internal successors, (4709), 3806 states have internal predecessors, (4709), 2203 states have call successors, (2203), 323 states have call predecessors, (2203), 322 states have return successors, (2199), 2183 states have call predecessors, (2199), 2199 states have call successors, (2199) [2022-11-23 16:04:54,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6257 states to 6257 states and 9111 transitions. [2022-11-23 16:04:54,728 INFO L78 Accepts]: Start accepts. Automaton has 6257 states and 9111 transitions. Word has length 194 [2022-11-23 16:04:54,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 16:04:54,733 INFO L495 AbstractCegarLoop]: Abstraction has 6257 states and 9111 transitions. [2022-11-23 16:04:54,734 INFO L496 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) [2022-11-23 16:04:54,734 INFO L276 IsEmpty]: Start isEmpty. Operand 6257 states and 9111 transitions. [2022-11-23 16:04:54,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-11-23 16:04:54,747 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 16:04:54,747 INFO L195 NwaCegarLoop]: 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] [2022-11-23 16:04:54,748 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 16:04:54,748 INFO L420 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)] === [2022-11-23 16:04:54,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 16:04:54,749 INFO L85 PathProgramCache]: Analyzing trace with hash 1758903831, now seen corresponding path program 1 times [2022-11-23 16:04:54,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 16:04:54,754 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124495193] [2022-11-23 16:04:54,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 16:04:54,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 16:04:54,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 16:04:55,261 INFO L134 CoverageAnalysis]: Checked inductivity of 1122 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1122 trivial. 0 not checked. [2022-11-23 16:04:55,262 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 16:04:55,264 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124495193] [2022-11-23 16:04:55,264 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2124495193] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 16:04:55,265 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 16:04:55,265 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 16:04:55,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417041505] [2022-11-23 16:04:55,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 16:04:55,269 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 16:04:55,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 16:04:55,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 16:04:55,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 16:04:55,271 INFO L87 Difference]: Start difference. First operand 6257 states and 9111 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) [2022-11-23 16:04:57,962 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:05:03,168 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:05:04,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 16:05:04,437 INFO L93 Difference]: Finished difference Result 18541 states and 27053 transitions. [2022-11-23 16:05:04,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 16:05:04,438 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 [2022-11-23 16:05:04,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 16:05:04,561 INFO L225 Difference]: With dead ends: 18541 [2022-11-23 16:05:04,561 INFO L226 Difference]: Without dead ends: 12319 [2022-11-23 16:05:04,610 INFO L412 NwaCegarLoop]: 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 [2022-11-23 16:05:04,611 INFO L413 NwaCegarLoop]: 5505 mSDtfsCounter, 4568 mSDsluCounter, 4038 mSDsCounter, 0 mSdLazyCounter, 1068 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4568 SdHoareTripleChecker+Valid, 9543 SdHoareTripleChecker+Invalid, 1073 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1068 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2022-11-23 16:05:04,612 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4568 Valid, 9543 Invalid, 1073 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 1068 Invalid, 2 Unknown, 0 Unchecked, 8.2s Time] [2022-11-23 16:05:04,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12319 states. [2022-11-23 16:05:05,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12319 to 12280. [2022-11-23 16:05:05,912 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) [2022-11-23 16:05:05,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12280 states to 12280 states and 17942 transitions. [2022-11-23 16:05:05,985 INFO L78 Accepts]: Start accepts. Automaton has 12280 states and 17942 transitions. Word has length 193 [2022-11-23 16:05:05,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 16:05:05,986 INFO L495 AbstractCegarLoop]: Abstraction has 12280 states and 17942 transitions. [2022-11-23 16:05:05,986 INFO L496 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) [2022-11-23 16:05:05,986 INFO L276 IsEmpty]: Start isEmpty. Operand 12280 states and 17942 transitions. [2022-11-23 16:05:05,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2022-11-23 16:05:05,993 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 16:05:05,994 INFO L195 NwaCegarLoop]: 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] [2022-11-23 16:05:05,994 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 16:05:05,994 INFO L420 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)] === [2022-11-23 16:05:05,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 16:05:05,995 INFO L85 PathProgramCache]: Analyzing trace with hash 649091567, now seen corresponding path program 1 times [2022-11-23 16:05:05,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 16:05:05,995 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2357792] [2022-11-23 16:05:05,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 16:05:05,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 16:05:06,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 16:05:06,420 INFO L134 CoverageAnalysis]: Checked inductivity of 1122 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1122 trivial. 0 not checked. [2022-11-23 16:05:06,421 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 16:05:06,421 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2357792] [2022-11-23 16:05:06,421 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2357792] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 16:05:06,421 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 16:05:06,421 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 16:05:06,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045973414] [2022-11-23 16:05:06,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 16:05:06,422 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 16:05:06,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 16:05:06,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 16:05:06,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 16:05:06,424 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) [2022-11-23 16:05:08,942 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:05:13,535 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:05:14,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 16:05:14,995 INFO L93 Difference]: Finished difference Result 36524 states and 53716 transitions. [2022-11-23 16:05:14,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 16:05:14,996 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 [2022-11-23 16:05:14,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 16:05:15,162 INFO L225 Difference]: With dead ends: 36524 [2022-11-23 16:05:15,162 INFO L226 Difference]: Without dead ends: 24279 [2022-11-23 16:05:15,226 INFO L412 NwaCegarLoop]: 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 [2022-11-23 16:05:15,228 INFO L413 NwaCegarLoop]: 5790 mSDtfsCounter, 4575 mSDsluCounter, 4068 mSDsCounter, 0 mSdLazyCounter, 1071 mSolverCounterSat, 5 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4575 SdHoareTripleChecker+Valid, 9858 SdHoareTripleChecker+Invalid, 1078 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1071 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.6s IncrementalHoareTripleChecker+Time [2022-11-23 16:05:15,228 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4575 Valid, 9858 Invalid, 1078 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1071 Invalid, 2 Unknown, 0 Unchecked, 7.6s Time] [2022-11-23 16:05:15,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24279 states. [2022-11-23 16:05:17,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24279 to 24236. [2022-11-23 16:05:17,619 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) [2022-11-23 16:05:17,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24236 states to 24236 states and 35760 transitions. [2022-11-23 16:05:17,822 INFO L78 Accepts]: Start accepts. Automaton has 24236 states and 35760 transitions. Word has length 210 [2022-11-23 16:05:17,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 16:05:17,824 INFO L495 AbstractCegarLoop]: Abstraction has 24236 states and 35760 transitions. [2022-11-23 16:05:17,825 INFO L496 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) [2022-11-23 16:05:17,825 INFO L276 IsEmpty]: Start isEmpty. Operand 24236 states and 35760 transitions. [2022-11-23 16:05:17,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2022-11-23 16:05:17,838 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 16:05:17,839 INFO L195 NwaCegarLoop]: 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] [2022-11-23 16:05:17,839 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-23 16:05:17,839 INFO L420 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)] === [2022-11-23 16:05:17,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 16:05:17,841 INFO L85 PathProgramCache]: Analyzing trace with hash -1750541591, now seen corresponding path program 1 times [2022-11-23 16:05:17,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 16:05:17,841 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623615922] [2022-11-23 16:05:17,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 16:05:17,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 16:05:18,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 16:05:18,280 INFO L134 CoverageAnalysis]: Checked inductivity of 1122 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1122 trivial. 0 not checked. [2022-11-23 16:05:18,281 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 16:05:18,281 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623615922] [2022-11-23 16:05:18,282 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1623615922] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 16:05:18,282 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 16:05:18,282 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 16:05:18,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942588053] [2022-11-23 16:05:18,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 16:05:18,284 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 16:05:18,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 16:05:18,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 16:05:18,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 16:05:18,285 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) [2022-11-23 16:05:22,191 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:05:25,157 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:05:28,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 16:05:28,221 INFO L93 Difference]: Finished difference Result 66284 states and 97547 transitions. [2022-11-23 16:05:28,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 16:05:28,222 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 [2022-11-23 16:05:28,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 16:05:28,682 INFO L225 Difference]: With dead ends: 66284 [2022-11-23 16:05:28,682 INFO L226 Difference]: Without dead ends: 42083 [2022-11-23 16:05:28,824 INFO L412 NwaCegarLoop]: 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 [2022-11-23 16:05:28,830 INFO L413 NwaCegarLoop]: 5121 mSDtfsCounter, 3350 mSDsluCounter, 4060 mSDsCounter, 0 mSdLazyCounter, 1088 mSolverCounterSat, 7 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3350 SdHoareTripleChecker+Valid, 9181 SdHoareTripleChecker+Invalid, 1097 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1088 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2022-11-23 16:05:28,831 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3350 Valid, 9181 Invalid, 1097 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1088 Invalid, 2 Unknown, 0 Unchecked, 8.2s Time] [2022-11-23 16:05:28,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42083 states. [2022-11-23 16:05:32,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42083 to 42040. [2022-11-23 16:05:32,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42040 states, 25151 states have (on average 1.261261977654964) internal successors, (31722), 25746 states have internal predecessors, (31722), 14558 states have call successors, (14558), 2374 states have call predecessors, (14558), 2327 states have return successors, (15464), 14259 states have call predecessors, (15464), 14554 states have call successors, (15464) [2022-11-23 16:05:32,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42040 states to 42040 states and 61744 transitions. [2022-11-23 16:05:32,673 INFO L78 Accepts]: Start accepts. Automaton has 42040 states and 61744 transitions. Word has length 213 [2022-11-23 16:05:32,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 16:05:32,675 INFO L495 AbstractCegarLoop]: Abstraction has 42040 states and 61744 transitions. [2022-11-23 16:05:32,676 INFO L496 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) [2022-11-23 16:05:32,676 INFO L276 IsEmpty]: Start isEmpty. Operand 42040 states and 61744 transitions. [2022-11-23 16:05:32,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2022-11-23 16:05:32,685 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 16:05:32,686 INFO L195 NwaCegarLoop]: 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] [2022-11-23 16:05:32,686 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-23 16:05:32,686 INFO L420 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)] === [2022-11-23 16:05:32,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 16:05:32,687 INFO L85 PathProgramCache]: Analyzing trace with hash -812046085, now seen corresponding path program 1 times [2022-11-23 16:05:32,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 16:05:32,687 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420157123] [2022-11-23 16:05:32,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 16:05:32,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 16:05:32,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 16:05:33,110 INFO L134 CoverageAnalysis]: Checked inductivity of 1167 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 1158 trivial. 0 not checked. [2022-11-23 16:05:33,111 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 16:05:33,111 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420157123] [2022-11-23 16:05:33,111 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [420157123] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 16:05:33,111 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 16:05:33,112 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 16:05:33,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520320678] [2022-11-23 16:05:33,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 16:05:33,113 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 16:05:33,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 16:05:33,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 16:05:33,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 16:05:33,114 INFO L87 Difference]: Start difference. First operand 42040 states and 61744 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) [2022-11-23 16:05:37,431 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:05:40,321 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:05:45,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 16:05:45,782 INFO L93 Difference]: Finished difference Result 125994 states and 185044 transitions. [2022-11-23 16:05:45,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 16:05:45,783 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 [2022-11-23 16:05:45,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 16:05:46,731 INFO L225 Difference]: With dead ends: 125994 [2022-11-23 16:05:46,742 INFO L226 Difference]: Without dead ends: 83989 [2022-11-23 16:05:46,961 INFO L412 NwaCegarLoop]: 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 [2022-11-23 16:05:46,962 INFO L413 NwaCegarLoop]: 5963 mSDtfsCounter, 4541 mSDsluCounter, 4118 mSDsCounter, 0 mSdLazyCounter, 1180 mSolverCounterSat, 4 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4541 SdHoareTripleChecker+Valid, 10081 SdHoareTripleChecker+Invalid, 1186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1180 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time [2022-11-23 16:05:46,962 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4541 Valid, 10081 Invalid, 1186 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 1180 Invalid, 2 Unknown, 0 Unchecked, 8.5s Time] [2022-11-23 16:05:47,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83989 states. [2022-11-23 16:05:53,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83989 to 83938. [2022-11-23 16:05:53,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83938 states, 50235 states have (on average 1.2609137055837563) internal successors, (63342), 51432 states have internal predecessors, (63342), 29050 states have call successors, (29050), 4742 states have call predecessors, (29050), 4649 states have return successors, (30866), 28443 states have call predecessors, (30866), 29046 states have call successors, (30866) [2022-11-23 16:05:54,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83938 states to 83938 states and 123258 transitions. [2022-11-23 16:05:54,378 INFO L78 Accepts]: Start accepts. Automaton has 83938 states and 123258 transitions. Word has length 213 [2022-11-23 16:05:54,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 16:05:54,379 INFO L495 AbstractCegarLoop]: Abstraction has 83938 states and 123258 transitions. [2022-11-23 16:05:54,380 INFO L496 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) [2022-11-23 16:05:54,380 INFO L276 IsEmpty]: Start isEmpty. Operand 83938 states and 123258 transitions. [2022-11-23 16:05:54,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2022-11-23 16:05:54,390 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 16:05:54,391 INFO L195 NwaCegarLoop]: 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] [2022-11-23 16:05:54,391 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-23 16:05:54,392 INFO L420 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)] === [2022-11-23 16:05:54,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 16:05:54,393 INFO L85 PathProgramCache]: Analyzing trace with hash -113511974, now seen corresponding path program 1 times [2022-11-23 16:05:54,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 16:05:54,393 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553134534] [2022-11-23 16:05:54,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 16:05:54,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 16:05:54,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 16:05:54,946 INFO L134 CoverageAnalysis]: Checked inductivity of 1124 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1124 trivial. 0 not checked. [2022-11-23 16:05:54,946 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 16:05:54,947 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553134534] [2022-11-23 16:05:54,947 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [553134534] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 16:05:54,947 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 16:05:54,948 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 16:05:54,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685011600] [2022-11-23 16:05:54,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 16:05:54,949 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 16:05:54,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 16:05:54,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 16:05:54,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 16:05:54,951 INFO L87 Difference]: Start difference. First operand 83938 states and 123258 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) [2022-11-23 16:05:59,214 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:06:00,315 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:06:02,188 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:06:05,317 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 16:06:12,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 16:06:12,859 INFO L93 Difference]: Finished difference Result 245792 states and 359386 transitions. [2022-11-23 16:06:12,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 16:06:12,860 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 [2022-11-23 16:06:12,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 16:06:14,258 INFO L225 Difference]: With dead ends: 245792 [2022-11-23 16:06:14,258 INFO L226 Difference]: Without dead ends: 161889 [2022-11-23 16:06:14,673 INFO L412 NwaCegarLoop]: 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 [2022-11-23 16:06:14,674 INFO L413 NwaCegarLoop]: 6072 mSDtfsCounter, 4306 mSDsluCounter, 4061 mSDsCounter, 0 mSdLazyCounter, 1307 mSolverCounterSat, 29 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4306 SdHoareTripleChecker+Valid, 10133 SdHoareTripleChecker+Invalid, 1337 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1307 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.1s IncrementalHoareTripleChecker+Time [2022-11-23 16:06:14,674 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4306 Valid, 10133 Invalid, 1337 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [29 Valid, 1307 Invalid, 1 Unknown, 0 Unchecked, 11.1s Time] [2022-11-23 16:06:14,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161889 states.