./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-mutex_drivers-net-wireless-rt2x00-rt2500usb.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1696376-041d-412a-a59f-42b8bef553a2/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1696376-041d-412a-a59f-42b8bef553a2/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1696376-041d-412a-a59f-42b8bef553a2/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1696376-041d-412a-a59f-42b8bef553a2/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rt2x00-rt2500usb.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1696376-041d-412a-a59f-42b8bef553a2/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1696376-041d-412a-a59f-42b8bef553a2/bin/utaipan-TEXQjIfE4P --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 2780fc0b078cd95366c58e63c05c4168e73cfd193d5f7dd189d6eaa3d38deb42 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 23:13:37,547 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 23:13:37,549 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 23:13:37,586 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 23:13:37,587 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 23:13:37,592 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 23:13:37,596 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 23:13:37,600 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 23:13:37,603 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 23:13:37,611 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 23:13:37,612 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 23:13:37,614 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 23:13:37,614 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 23:13:37,617 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 23:13:37,620 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 23:13:37,626 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 23:13:37,628 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 23:13:37,629 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 23:13:37,635 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 23:13:37,641 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 23:13:37,644 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 23:13:37,646 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 23:13:37,649 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 23:13:37,650 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 23:13:37,657 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 23:13:37,658 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 23:13:37,658 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 23:13:37,660 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 23:13:37,661 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 23:13:37,663 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 23:13:37,664 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 23:13:37,665 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 23:13:37,667 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 23:13:37,668 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 23:13:37,670 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 23:13:37,670 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 23:13:37,671 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 23:13:37,671 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 23:13:37,672 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 23:13:37,673 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 23:13:37,674 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 23:13:37,674 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1696376-041d-412a-a59f-42b8bef553a2/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-20 23:13:37,720 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 23:13:37,720 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 23:13:37,721 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 23:13:37,721 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 23:13:37,722 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 23:13:37,723 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 23:13:37,723 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-20 23:13:37,723 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-20 23:13:37,723 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-20 23:13:37,724 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-20 23:13:37,725 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-20 23:13:37,725 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-20 23:13:37,725 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-20 23:13:37,725 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-20 23:13:37,726 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-20 23:13:37,726 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-20 23:13:37,726 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-20 23:13:37,727 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-20 23:13:37,727 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 23:13:37,728 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 23:13:37,728 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 23:13:37,728 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 23:13:37,728 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 23:13:37,729 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 23:13:37,729 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 23:13:37,729 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 23:13:37,730 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 23:13:37,731 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 23:13:37,731 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 23:13:37,731 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:13:37,732 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 23:13:37,732 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 23:13:37,732 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 23:13:37,732 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-20 23:13:37,733 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 23:13:37,733 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 23:13:37,733 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 23:13:37,733 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-20 23:13:37,734 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1696376-041d-412a-a59f-42b8bef553a2/bin/utaipan-TEXQjIfE4P/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1696376-041d-412a-a59f-42b8bef553a2/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2780fc0b078cd95366c58e63c05c4168e73cfd193d5f7dd189d6eaa3d38deb42 [2021-11-20 23:13:38,021 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 23:13:38,047 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 23:13:38,049 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 23:13:38,050 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 23:13:38,051 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 23:13:38,052 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1696376-041d-412a-a59f-42b8bef553a2/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rt2x00-rt2500usb.cil.i [2021-11-20 23:13:38,120 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1696376-041d-412a-a59f-42b8bef553a2/bin/utaipan-TEXQjIfE4P/data/3d93101ad/bb4df39045444a1cbe25edfdb442b35f/FLAG5024035d7 [2021-11-20 23:13:39,177 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 23:13:39,179 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1696376-041d-412a-a59f-42b8bef553a2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rt2x00-rt2500usb.cil.i [2021-11-20 23:13:39,260 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1696376-041d-412a-a59f-42b8bef553a2/bin/utaipan-TEXQjIfE4P/data/3d93101ad/bb4df39045444a1cbe25edfdb442b35f/FLAG5024035d7 [2021-11-20 23:13:39,509 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1696376-041d-412a-a59f-42b8bef553a2/bin/utaipan-TEXQjIfE4P/data/3d93101ad/bb4df39045444a1cbe25edfdb442b35f [2021-11-20 23:13:39,512 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 23:13:39,513 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 23:13:39,516 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 23:13:39,516 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 23:13:39,518 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 23:13:39,520 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:13:39" (1/1) ... [2021-11-20 23:13:39,523 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44628252 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:13:39, skipping insertion in model container [2021-11-20 23:13:39,523 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:13:39" (1/1) ... [2021-11-20 23:13:39,530 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 23:13:39,765 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 23:13:44,621 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1696376-041d-412a-a59f-42b8bef553a2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rt2x00-rt2500usb.cil.i[595361,595374] [2021-11-20 23:13:44,625 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1696376-041d-412a-a59f-42b8bef553a2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rt2x00-rt2500usb.cil.i[595527,595540] [2021-11-20 23:13:44,626 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1696376-041d-412a-a59f-42b8bef553a2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rt2x00-rt2500usb.cil.i[595691,595704] [2021-11-20 23:13:44,626 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1696376-041d-412a-a59f-42b8bef553a2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rt2x00-rt2500usb.cil.i[595856,595869] [2021-11-20 23:13:44,668 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:13:44,758 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 23:13:45,473 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1696376-041d-412a-a59f-42b8bef553a2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rt2x00-rt2500usb.cil.i[595361,595374] [2021-11-20 23:13:45,473 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1696376-041d-412a-a59f-42b8bef553a2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rt2x00-rt2500usb.cil.i[595527,595540] [2021-11-20 23:13:45,474 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1696376-041d-412a-a59f-42b8bef553a2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rt2x00-rt2500usb.cil.i[595691,595704] [2021-11-20 23:13:45,474 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1696376-041d-412a-a59f-42b8bef553a2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rt2x00-rt2500usb.cil.i[595856,595869] [2021-11-20 23:13:45,482 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 23:13:46,094 INFO L208 MainTranslator]: Completed translation [2021-11-20 23:13:46,094 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:13:46 WrapperNode [2021-11-20 23:13:46,094 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 23:13:46,096 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 23:13:46,096 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 23:13:46,096 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 23:13:46,105 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:13:46" (1/1) ... [2021-11-20 23:13:46,393 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:13:46" (1/1) ... [2021-11-20 23:13:46,657 INFO L137 Inliner]: procedures = 555, calls = 6825, calls flagged for inlining = 203, calls inlined = 188, statements flattened = 10335 [2021-11-20 23:13:46,658 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 23:13:46,659 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 23:13:46,659 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 23:13:46,660 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 23:13:46,670 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:13:46" (1/1) ... [2021-11-20 23:13:46,670 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:13:46" (1/1) ... [2021-11-20 23:13:46,732 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:13:46" (1/1) ... [2021-11-20 23:13:46,734 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:13:46" (1/1) ... [2021-11-20 23:13:47,075 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:13:46" (1/1) ... [2021-11-20 23:13:47,121 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:13:46" (1/1) ... [2021-11-20 23:13:47,206 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:13:46" (1/1) ... [2021-11-20 23:13:47,261 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 23:13:47,262 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 23:13:47,263 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 23:13:47,263 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 23:13:47,264 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:13:46" (1/1) ... [2021-11-20 23:13:47,271 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:13:47,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1696376-041d-412a-a59f-42b8bef553a2/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 23:13:47,299 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1696376-041d-412a-a59f-42b8bef553a2/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 23:13:47,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1696376-041d-412a-a59f-42b8bef553a2/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 23:13:47,438 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1295 [2021-11-20 23:13:47,438 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1295 [2021-11-20 23:13:47,438 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00_desc_write [2021-11-20 23:13:47,438 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00_desc_write [2021-11-20 23:13:47,438 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1293 [2021-11-20 23:13:47,439 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1293 [2021-11-20 23:13:47,439 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1298 [2021-11-20 23:13:47,439 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1298 [2021-11-20 23:13:47,439 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1296 [2021-11-20 23:13:47,440 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1296 [2021-11-20 23:13:47,440 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2021-11-20 23:13:47,440 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2021-11-20 23:13:47,440 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00mac_conf_tx [2021-11-20 23:13:47,440 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00mac_conf_tx [2021-11-20 23:13:47,440 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00usb_kick_queue [2021-11-20 23:13:47,441 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00usb_kick_queue [2021-11-20 23:13:47,441 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-20 23:13:47,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-20 23:13:47,441 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00_eeprom_addr [2021-11-20 23:13:47,441 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00_eeprom_addr [2021-11-20 23:13:47,441 INFO L130 BoogieDeclarations]: Found specification of procedure rt2500usb_config_filter [2021-11-20 23:13:47,442 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2500usb_config_filter [2021-11-20 23:13:47,442 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00mac_get_stats [2021-11-20 23:13:47,442 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00mac_get_stats [2021-11-20 23:13:47,442 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1093 [2021-11-20 23:13:47,442 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1093 [2021-11-20 23:13:47,442 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1091 [2021-11-20 23:13:47,443 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1091 [2021-11-20 23:13:47,443 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00mac_sw_scan_start [2021-11-20 23:13:47,443 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00mac_sw_scan_start [2021-11-20 23:13:47,444 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1097 [2021-11-20 23:13:47,444 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1097 [2021-11-20 23:13:47,444 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1095 [2021-11-20 23:13:47,444 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1095 [2021-11-20 23:13:47,445 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_806 [2021-11-20 23:13:47,445 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_806 [2021-11-20 23:13:47,445 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_807 [2021-11-20 23:13:47,445 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_807 [2021-11-20 23:13:47,445 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1099 [2021-11-20 23:13:47,446 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1099 [2021-11-20 23:13:47,446 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_805 [2021-11-20 23:13:47,446 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_805 [2021-11-20 23:13:47,446 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_811 [2021-11-20 23:13:47,447 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_811 [2021-11-20 23:13:47,448 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_812 [2021-11-20 23:13:47,448 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_812 [2021-11-20 23:13:47,448 INFO L130 BoogieDeclarations]: Found specification of procedure rt2500usb_register_write [2021-11-20 23:13:47,449 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2500usb_register_write [2021-11-20 23:13:47,449 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00usb_uninitialize [2021-11-20 23:13:47,449 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00usb_uninitialize [2021-11-20 23:13:47,449 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-20 23:13:47,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-20 23:13:47,449 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_817 [2021-11-20 23:13:47,450 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_817 [2021-11-20 23:13:47,450 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1089 [2021-11-20 23:13:47,450 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1089 [2021-11-20 23:13:47,451 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_818 [2021-11-20 23:13:47,451 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_818 [2021-11-20 23:13:47,451 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_819 [2021-11-20 23:13:47,451 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_819 [2021-11-20 23:13:47,451 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_813 [2021-11-20 23:13:47,451 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_813 [2021-11-20 23:13:47,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-20 23:13:47,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-20 23:13:47,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2021-11-20 23:13:47,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2021-11-20 23:13:47,452 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_820 [2021-11-20 23:13:47,452 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_820 [2021-11-20 23:13:47,453 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_csr_mutex_of_rt2x00_dev [2021-11-20 23:13:47,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_csr_mutex_of_rt2x00_dev [2021-11-20 23:13:47,453 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_702 [2021-11-20 23:13:47,453 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_702 [2021-11-20 23:13:47,453 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00mac_tx_frames_pending [2021-11-20 23:13:47,453 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00mac_tx_frames_pending [2021-11-20 23:13:47,454 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 23:13:47,454 INFO L130 BoogieDeclarations]: Found specification of procedure rt2500usb_probe_hw [2021-11-20 23:13:47,454 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2500usb_probe_hw [2021-11-20 23:13:47,455 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00usb_watchdog [2021-11-20 23:13:47,455 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00usb_watchdog [2021-11-20 23:13:47,455 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00mac_flush [2021-11-20 23:13:47,455 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00mac_flush [2021-11-20 23:13:47,455 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00usb_vendor_request_sw [2021-11-20 23:13:47,456 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00usb_vendor_request_sw [2021-11-20 23:13:47,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-20 23:13:47,457 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00mac_bss_info_changed [2021-11-20 23:13:47,457 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00mac_bss_info_changed [2021-11-20 23:13:47,457 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2021-11-20 23:13:47,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2021-11-20 23:13:47,458 INFO L130 BoogieDeclarations]: Found specification of procedure rt2500usb_get_tx_data_len [2021-11-20 23:13:47,458 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2500usb_get_tx_data_len [2021-11-20 23:13:47,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-20 23:13:47,458 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-20 23:13:47,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-20 23:13:47,459 INFO L130 BoogieDeclarations]: Found specification of procedure rt2500usb_queue_init [2021-11-20 23:13:47,459 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2500usb_queue_init [2021-11-20 23:13:47,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 23:13:47,459 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-20 23:13:47,459 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-20 23:13:47,459 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-20 23:13:47,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-20 23:13:47,460 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_187 [2021-11-20 23:13:47,460 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_187 [2021-11-20 23:13:47,460 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_186 [2021-11-20 23:13:47,461 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_186 [2021-11-20 23:13:47,461 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_159 [2021-11-20 23:13:47,462 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_159 [2021-11-20 23:13:47,464 INFO L130 BoogieDeclarations]: Found specification of procedure rt2500usb_stop_queue [2021-11-20 23:13:47,465 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2500usb_stop_queue [2021-11-20 23:13:47,465 INFO L130 BoogieDeclarations]: Found specification of procedure rt2500usb_start_queue [2021-11-20 23:13:47,465 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2500usb_start_queue [2021-11-20 23:13:47,466 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00_rf [2021-11-20 23:13:47,466 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00_rf [2021-11-20 23:13:47,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-20 23:13:47,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-20 23:13:47,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-20 23:13:47,474 INFO L130 BoogieDeclarations]: Found specification of procedure rt2500usb_set_device_state [2021-11-20 23:13:47,474 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2500usb_set_device_state [2021-11-20 23:13:47,475 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_161 [2021-11-20 23:13:47,475 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_161 [2021-11-20 23:13:47,475 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_160 [2021-11-20 23:13:47,475 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_160 [2021-11-20 23:13:47,475 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_283 [2021-11-20 23:13:47,476 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_283 [2021-11-20 23:13:47,476 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 23:13:47,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-20 23:13:47,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-20 23:13:47,476 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-20 23:13:47,476 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-20 23:13:47,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-20 23:13:47,477 INFO L130 BoogieDeclarations]: Found specification of procedure rt2500usb_link_stats [2021-11-20 23:13:47,477 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2500usb_link_stats [2021-11-20 23:13:47,477 INFO L130 BoogieDeclarations]: Found specification of procedure rt2500usb_fill_rxdone [2021-11-20 23:13:47,477 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2500usb_fill_rxdone [2021-11-20 23:13:47,477 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-20 23:13:47,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-20 23:13:47,477 INFO L130 BoogieDeclarations]: Found specification of procedure _rt2x00_desc_write [2021-11-20 23:13:47,478 INFO L138 BoogieDeclarations]: Found implementation of procedure _rt2x00_desc_write [2021-11-20 23:13:47,478 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00mac_tx [2021-11-20 23:13:47,478 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00mac_tx [2021-11-20 23:13:47,478 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_195 [2021-11-20 23:13:47,478 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_195 [2021-11-20 23:13:47,478 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00usb_disconnect [2021-11-20 23:13:47,478 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00usb_disconnect [2021-11-20 23:13:47,479 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00mac_add_interface [2021-11-20 23:13:47,479 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00mac_add_interface [2021-11-20 23:13:47,479 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 23:13:47,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 23:13:47,479 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00mac_set_tim [2021-11-20 23:13:47,479 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00mac_set_tim [2021-11-20 23:13:47,479 INFO L130 BoogieDeclarations]: Found specification of procedure rt2500usb_bbp_write [2021-11-20 23:13:47,480 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2500usb_bbp_write [2021-11-20 23:13:47,480 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00usb_clear_entry [2021-11-20 23:13:47,480 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00usb_clear_entry [2021-11-20 23:13:47,480 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_213 [2021-11-20 23:13:47,480 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_213 [2021-11-20 23:13:47,480 INFO L130 BoogieDeclarations]: Found specification of procedure rt2500usb_config_ant [2021-11-20 23:13:47,481 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2500usb_config_ant [2021-11-20 23:13:47,481 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_218 [2021-11-20 23:13:47,482 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_218 [2021-11-20 23:13:47,482 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_217 [2021-11-20 23:13:47,482 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_217 [2021-11-20 23:13:47,482 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_576 [2021-11-20 23:13:47,482 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_576 [2021-11-20 23:13:47,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-20 23:13:47,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-20 23:13:47,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-20 23:13:47,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-20 23:13:47,483 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_572 [2021-11-20 23:13:47,483 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_572 [2021-11-20 23:13:47,483 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00usb_resume [2021-11-20 23:13:47,483 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00usb_resume [2021-11-20 23:13:47,483 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00mac_stop [2021-11-20 23:13:47,484 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00mac_stop [2021-11-20 23:13:47,484 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_219 [2021-11-20 23:13:47,484 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_219 [2021-11-20 23:13:47,484 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00mac_set_key [2021-11-20 23:13:47,484 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00mac_set_key [2021-11-20 23:13:47,484 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_585 [2021-11-20 23:13:47,484 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_585 [2021-11-20 23:13:47,484 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_586 [2021-11-20 23:13:47,485 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_586 [2021-11-20 23:13:47,485 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_465 [2021-11-20 23:13:47,485 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_465 [2021-11-20 23:13:47,485 INFO L130 BoogieDeclarations]: Found specification of procedure rt2500usb_register_multiwrite [2021-11-20 23:13:47,485 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2500usb_register_multiwrite [2021-11-20 23:13:47,485 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_467 [2021-11-20 23:13:47,485 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_467 [2021-11-20 23:13:47,486 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_584 [2021-11-20 23:13:47,486 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_584 [2021-11-20 23:13:47,486 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_220 [2021-11-20 23:13:47,486 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_220 [2021-11-20 23:13:47,486 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-11-20 23:13:47,486 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-11-20 23:13:47,486 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_549 [2021-11-20 23:13:47,487 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_549 [2021-11-20 23:13:47,487 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_798 [2021-11-20 23:13:47,487 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_798 [2021-11-20 23:13:47,487 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_436 [2021-11-20 23:13:47,487 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_436 [2021-11-20 23:13:47,487 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_558 [2021-11-20 23:13:47,487 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_558 [2021-11-20 23:13:47,488 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2021-11-20 23:13:47,488 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2021-11-20 23:13:47,488 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_559 [2021-11-20 23:13:47,488 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_559 [2021-11-20 23:13:47,488 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_438 [2021-11-20 23:13:47,488 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_438 [2021-11-20 23:13:47,488 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_552 [2021-11-20 23:13:47,489 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_552 [2021-11-20 23:13:47,489 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_553 [2021-11-20 23:13:47,489 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_553 [2021-11-20 23:13:47,489 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_554 [2021-11-20 23:13:47,489 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_554 [2021-11-20 23:13:47,489 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1506 [2021-11-20 23:13:47,489 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1506 [2021-11-20 23:13:47,490 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_434 [2021-11-20 23:13:47,490 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_434 [2021-11-20 23:13:47,490 INFO L130 BoogieDeclarations]: Found specification of procedure _rt2x00_desc_read [2021-11-20 23:13:47,490 INFO L138 BoogieDeclarations]: Found implementation of procedure _rt2x00_desc_read [2021-11-20 23:13:47,490 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00usb_vendor_req_buff_lock [2021-11-20 23:13:47,490 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00usb_vendor_req_buff_lock [2021-11-20 23:13:47,490 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_446 [2021-11-20 23:13:47,491 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_446 [2021-11-20 23:13:47,491 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_447 [2021-11-20 23:13:47,491 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_447 [2021-11-20 23:13:47,491 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_569 [2021-11-20 23:13:47,491 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_569 [2021-11-20 23:13:47,491 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_443 [2021-11-20 23:13:47,491 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_443 [2021-11-20 23:13:47,491 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_444 [2021-11-20 23:13:47,492 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_444 [2021-11-20 23:13:47,492 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_560 [2021-11-20 23:13:47,493 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_560 [2021-11-20 23:13:47,496 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00usb_flush_queue [2021-11-20 23:13:47,497 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00usb_flush_queue [2021-11-20 23:13:47,497 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_440 [2021-11-20 23:13:47,497 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_440 [2021-11-20 23:13:47,497 INFO L130 BoogieDeclarations]: Found specification of procedure rt2500usb_init_led [2021-11-20 23:13:47,497 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2500usb_init_led [2021-11-20 23:13:47,497 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00mac_remove_interface [2021-11-20 23:13:47,497 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00mac_remove_interface [2021-11-20 23:13:47,498 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 23:13:47,498 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1411 [2021-11-20 23:13:47,499 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1411 [2021-11-20 23:13:47,499 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1527 [2021-11-20 23:13:47,499 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1527 [2021-11-20 23:13:47,499 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1406 [2021-11-20 23:13:47,499 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1406 [2021-11-20 23:13:47,499 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00usb_initialize [2021-11-20 23:13:47,499 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00usb_initialize [2021-11-20 23:13:47,500 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1407 [2021-11-20 23:13:47,500 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1407 [2021-11-20 23:13:47,500 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_374 [2021-11-20 23:13:47,500 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_374 [2021-11-20 23:13:47,500 INFO L130 BoogieDeclarations]: Found specification of procedure rt2500usb_config_key [2021-11-20 23:13:47,500 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2500usb_config_key [2021-11-20 23:13:47,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-20 23:13:47,500 INFO L130 BoogieDeclarations]: Found specification of procedure rt2500usb_regbusy_read [2021-11-20 23:13:47,501 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2500usb_regbusy_read [2021-11-20 23:13:47,501 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1519 [2021-11-20 23:13:47,501 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1519 [2021-11-20 23:13:47,501 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00usb_vendor_request [2021-11-20 23:13:47,501 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00usb_vendor_request [2021-11-20 23:13:47,501 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_csr_mutex_of_rt2x00_dev [2021-11-20 23:13:47,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_csr_mutex_of_rt2x00_dev [2021-11-20 23:13:47,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-20 23:13:47,502 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1792 [2021-11-20 23:13:47,502 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1792 [2021-11-20 23:13:47,502 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1434 [2021-11-20 23:13:47,502 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1434 [2021-11-20 23:13:47,502 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1433 [2021-11-20 23:13:47,502 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1433 [2021-11-20 23:13:47,502 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1426 [2021-11-20 23:13:47,503 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1426 [2021-11-20 23:13:47,503 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1425 [2021-11-20 23:13:47,503 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1425 [2021-11-20 23:13:47,503 INFO L130 BoogieDeclarations]: Found specification of procedure rt2500usb_config [2021-11-20 23:13:47,503 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2500usb_config [2021-11-20 23:13:47,503 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_478 [2021-11-20 23:13:47,503 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_478 [2021-11-20 23:13:47,504 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_592 [2021-11-20 23:13:47,504 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_592 [2021-11-20 23:13:47,504 INFO L130 BoogieDeclarations]: Found specification of procedure get_skb_frame_desc [2021-11-20 23:13:47,504 INFO L138 BoogieDeclarations]: Found implementation of procedure get_skb_frame_desc [2021-11-20 23:13:47,504 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_594 [2021-11-20 23:13:47,504 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_594 [2021-11-20 23:13:47,504 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_595 [2021-11-20 23:13:47,505 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_595 [2021-11-20 23:13:47,505 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_474 [2021-11-20 23:13:47,505 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_474 [2021-11-20 23:13:47,505 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-20 23:13:47,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-20 23:13:47,505 INFO L130 BoogieDeclarations]: Found specification of procedure rt2500usb_register_read [2021-11-20 23:13:47,505 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2500usb_register_read [2021-11-20 23:13:47,505 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1302 [2021-11-20 23:13:47,506 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1302 [2021-11-20 23:13:47,506 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1417 [2021-11-20 23:13:47,506 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1417 [2021-11-20 23:13:47,506 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1418 [2021-11-20 23:13:47,506 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1418 [2021-11-20 23:13:47,506 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_368 [2021-11-20 23:13:47,506 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_368 [2021-11-20 23:13:47,507 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00mac_start [2021-11-20 23:13:47,507 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00mac_start [2021-11-20 23:13:47,507 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00_rf_read [2021-11-20 23:13:47,507 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00_rf_read [2021-11-20 23:13:47,507 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00mac_configure_filter [2021-11-20 23:13:47,507 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00mac_configure_filter [2021-11-20 23:13:47,507 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_967 [2021-11-20 23:13:47,507 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_967 [2021-11-20 23:13:47,508 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_846 [2021-11-20 23:13:47,508 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_846 [2021-11-20 23:13:47,508 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00mac_get_antenna [2021-11-20 23:13:47,508 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00mac_get_antenna [2021-11-20 23:13:47,508 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_847 [2021-11-20 23:13:47,508 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_847 [2021-11-20 23:13:47,508 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_726 [2021-11-20 23:13:47,509 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_726 [2021-11-20 23:13:47,509 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_848 [2021-11-20 23:13:47,509 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_848 [2021-11-20 23:13:47,509 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1206 [2021-11-20 23:13:47,509 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1206 [2021-11-20 23:13:47,509 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_730 [2021-11-20 23:13:47,509 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_730 [2021-11-20 23:13:47,509 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_610 [2021-11-20 23:13:47,510 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_610 [2021-11-20 23:13:47,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-11-20 23:13:47,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-11-20 23:13:47,510 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00_eeprom_write [2021-11-20 23:13:47,510 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00_eeprom_write [2021-11-20 23:13:47,510 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1442 [2021-11-20 23:13:47,510 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1442 [2021-11-20 23:13:47,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_2_4 [2021-11-20 23:13:47,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_2_4 [2021-11-20 23:13:47,511 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1441 [2021-11-20 23:13:47,511 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1441 [2021-11-20 23:13:47,511 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1204 [2021-11-20 23:13:47,511 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1204 [2021-11-20 23:13:47,511 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1203 [2021-11-20 23:13:47,512 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1203 [2021-11-20 23:13:47,512 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_858 [2021-11-20 23:13:47,512 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_858 [2021-11-20 23:13:47,512 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_859 [2021-11-20 23:13:47,512 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_859 [2021-11-20 23:13:47,512 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_865 [2021-11-20 23:13:47,512 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_865 [2021-11-20 23:13:47,512 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_860 [2021-11-20 23:13:47,513 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_860 [2021-11-20 23:13:47,513 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_500 [2021-11-20 23:13:47,513 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_500 [2021-11-20 23:13:47,513 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-20 23:13:47,513 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-20 23:13:47,513 INFO L130 BoogieDeclarations]: Found specification of procedure rt2500usb_write_beacon [2021-11-20 23:13:47,513 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2500usb_write_beacon [2021-11-20 23:13:47,514 INFO L130 BoogieDeclarations]: Found specification of procedure rt2500usb_register_write_lock [2021-11-20 23:13:47,514 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2500usb_register_write_lock [2021-11-20 23:13:47,514 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-11-20 23:13:47,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-11-20 23:13:47,514 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00mac_set_antenna [2021-11-20 23:13:47,514 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00mac_set_antenna [2021-11-20 23:13:47,514 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_708 [2021-11-20 23:13:47,514 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_708 [2021-11-20 23:13:47,515 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1110 [2021-11-20 23:13:47,515 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1110 [2021-11-20 23:13:47,515 INFO L130 BoogieDeclarations]: Found specification of procedure rt2500usb_init_registers [2021-11-20 23:13:47,515 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2500usb_init_registers [2021-11-20 23:13:47,515 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1358 [2021-11-20 23:13:47,515 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1358 [2021-11-20 23:13:47,515 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_824 [2021-11-20 23:13:47,516 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_824 [2021-11-20 23:13:47,516 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1115 [2021-11-20 23:13:47,516 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1115 [2021-11-20 23:13:47,516 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_825 [2021-11-20 23:13:47,516 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_825 [2021-11-20 23:13:47,516 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1114 [2021-11-20 23:13:47,516 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1114 [2021-11-20 23:13:47,516 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_826 [2021-11-20 23:13:47,517 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_826 [2021-11-20 23:13:47,517 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_827 [2021-11-20 23:13:47,517 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_827 [2021-11-20 23:13:47,517 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1109 [2021-11-20 23:13:47,517 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1109 [2021-11-20 23:13:47,517 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_831 [2021-11-20 23:13:47,517 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_831 [2021-11-20 23:13:47,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 23:13:47,518 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1108 [2021-11-20 23:13:47,518 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1108 [2021-11-20 23:13:47,518 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_832 [2021-11-20 23:13:47,518 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_832 [2021-11-20 23:13:47,518 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1107 [2021-11-20 23:13:47,518 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1107 [2021-11-20 23:13:47,518 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_833 [2021-11-20 23:13:47,519 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_833 [2021-11-20 23:13:47,519 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_834 [2021-11-20 23:13:47,519 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_834 [2021-11-20 23:13:47,519 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-20 23:13:47,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-20 23:13:47,519 INFO L130 BoogieDeclarations]: Found specification of procedure rt2500usb_reset_tuner [2021-11-20 23:13:47,519 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2500usb_reset_tuner [2021-11-20 23:13:47,520 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1464 [2021-11-20 23:13:47,520 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1464 [2021-11-20 23:13:47,520 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1101 [2021-11-20 23:13:47,520 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1101 [2021-11-20 23:13:47,520 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_839 [2021-11-20 23:13:47,520 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_839 [2021-11-20 23:13:47,520 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_718 [2021-11-20 23:13:47,520 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_718 [2021-11-20 23:13:47,521 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1100 [2021-11-20 23:13:47,521 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1100 [2021-11-20 23:13:47,521 INFO L130 BoogieDeclarations]: Found specification of procedure rt2500usb_register_read_lock [2021-11-20 23:13:47,521 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2500usb_register_read_lock [2021-11-20 23:13:47,521 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1103 [2021-11-20 23:13:47,521 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1103 [2021-11-20 23:13:47,521 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1102 [2021-11-20 23:13:47,521 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1102 [2021-11-20 23:13:47,522 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_838 [2021-11-20 23:13:47,522 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_838 [2021-11-20 23:13:47,522 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_722 [2021-11-20 23:13:47,522 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_722 [2021-11-20 23:13:47,522 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_966 [2021-11-20 23:13:47,522 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_966 [2021-11-20 23:13:47,522 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_845 [2021-11-20 23:13:47,523 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_845 [2021-11-20 23:13:47,523 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_840 [2021-11-20 23:13:47,523 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_840 [2021-11-20 23:13:47,523 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_841 [2021-11-20 23:13:47,523 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_841 [2021-11-20 23:13:47,523 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00mac_get_ringparam [2021-11-20 23:13:47,523 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00mac_get_ringparam [2021-11-20 23:13:47,523 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00mac_sw_scan_complete [2021-11-20 23:13:47,524 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00mac_sw_scan_complete [2021-11-20 23:13:47,524 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1376 [2021-11-20 23:13:47,524 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1376 [2021-11-20 23:13:47,524 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1375 [2021-11-20 23:13:47,524 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1375 [2021-11-20 23:13:47,524 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1374 [2021-11-20 23:13:47,524 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1374 [2021-11-20 23:13:47,525 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1017 [2021-11-20 23:13:47,525 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1017 [2021-11-20 23:13:47,525 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1016 [2021-11-20 23:13:47,525 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1016 [2021-11-20 23:13:47,525 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_407 [2021-11-20 23:13:47,525 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_407 [2021-11-20 23:13:47,525 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_408 [2021-11-20 23:13:47,525 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_408 [2021-11-20 23:13:47,526 INFO L130 BoogieDeclarations]: Found specification of procedure rt2500usb_write_tx_desc [2021-11-20 23:13:47,526 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2500usb_write_tx_desc [2021-11-20 23:13:47,526 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_776 [2021-11-20 23:13:47,526 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_776 [2021-11-20 23:13:47,526 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_898 [2021-11-20 23:13:47,526 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_898 [2021-11-20 23:13:47,526 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_777 [2021-11-20 23:13:47,527 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_777 [2021-11-20 23:13:47,527 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_656 [2021-11-20 23:13:47,527 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_656 [2021-11-20 23:13:47,527 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_415 [2021-11-20 23:13:47,527 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_415 [2021-11-20 23:13:47,527 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_658 [2021-11-20 23:13:47,527 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_658 [2021-11-20 23:13:47,527 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_894 [2021-11-20 23:13:47,528 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_894 [2021-11-20 23:13:47,528 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_410 [2021-11-20 23:13:47,528 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_410 [2021-11-20 23:13:47,528 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_775 [2021-11-20 23:13:47,528 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_775 [2021-11-20 23:13:47,528 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_890 [2021-11-20 23:13:47,528 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_890 [2021-11-20 23:13:47,529 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_770 [2021-11-20 23:13:47,529 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_770 [2021-11-20 23:13:47,529 INFO L130 BoogieDeclarations]: Found specification of procedure __set_bit [2021-11-20 23:13:47,529 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_bit [2021-11-20 23:13:47,529 INFO L130 BoogieDeclarations]: Found specification of procedure rt2500usb_config_erp [2021-11-20 23:13:47,529 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2500usb_config_erp [2021-11-20 23:13:47,529 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00_desc_read [2021-11-20 23:13:47,529 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00_desc_read [2021-11-20 23:13:47,530 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-11-20 23:13:47,530 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-11-20 23:13:47,530 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1360 [2021-11-20 23:13:47,530 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1360 [2021-11-20 23:13:47,530 INFO L130 BoogieDeclarations]: Found specification of procedure rt2500usb_enable_radio [2021-11-20 23:13:47,530 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2500usb_enable_radio [2021-11-20 23:13:47,530 INFO L130 BoogieDeclarations]: Found specification of procedure rt2500usb_rfkill_poll [2021-11-20 23:13:47,530 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2500usb_rfkill_poll [2021-11-20 23:13:47,531 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1365 [2021-11-20 23:13:47,531 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1365 [2021-11-20 23:13:47,531 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1364 [2021-11-20 23:13:47,531 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1364 [2021-11-20 23:13:47,531 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1362 [2021-11-20 23:13:47,531 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1362 [2021-11-20 23:13:47,531 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1489 [2021-11-20 23:13:47,532 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1489 [2021-11-20 23:13:47,532 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1367 [2021-11-20 23:13:47,532 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1367 [2021-11-20 23:13:47,532 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1487 [2021-11-20 23:13:47,532 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1487 [2021-11-20 23:13:47,532 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1366 [2021-11-20 23:13:47,532 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1366 [2021-11-20 23:13:47,532 INFO L130 BoogieDeclarations]: Found specification of procedure rt2500usb_config_intf [2021-11-20 23:13:47,533 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2500usb_config_intf [2021-11-20 23:13:47,533 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1119 [2021-11-20 23:13:47,533 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1119 [2021-11-20 23:13:47,533 INFO L130 BoogieDeclarations]: Found specification of procedure rt2500usb_bbp_read [2021-11-20 23:13:47,533 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2500usb_bbp_read [2021-11-20 23:13:47,533 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_668 [2021-11-20 23:13:47,533 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_668 [2021-11-20 23:13:47,534 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_547 [2021-11-20 23:13:47,534 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_547 [2021-11-20 23:13:47,534 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1117 [2021-11-20 23:13:47,534 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1117 [2021-11-20 23:13:47,534 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_548 [2021-11-20 23:13:47,534 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_548 [2021-11-20 23:13:47,534 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_664 [2021-11-20 23:13:47,534 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_664 [2021-11-20 23:13:47,535 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-20 23:13:47,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-20 23:13:47,535 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_661 [2021-11-20 23:13:47,535 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_661 [2021-11-20 23:13:47,535 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1031 [2021-11-20 23:13:47,535 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1031 [2021-11-20 23:13:47,535 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1030 [2021-11-20 23:13:47,535 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1030 [2021-11-20 23:13:47,536 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1392 [2021-11-20 23:13:47,536 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1392 [2021-11-20 23:13:47,536 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1270 [2021-11-20 23:13:47,536 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1270 [2021-11-20 23:13:47,536 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1155 [2021-11-20 23:13:47,536 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1155 [2021-11-20 23:13:47,536 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_868 [2021-11-20 23:13:47,537 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_868 [2021-11-20 23:13:47,537 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_747 [2021-11-20 23:13:47,537 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_747 [2021-11-20 23:13:47,537 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_869 [2021-11-20 23:13:47,537 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_869 [2021-11-20 23:13:47,537 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_754 [2021-11-20 23:13:47,537 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_754 [2021-11-20 23:13:47,537 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_752 [2021-11-20 23:13:47,538 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_752 [2021-11-20 23:13:47,538 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_753 [2021-11-20 23:13:47,538 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_753 [2021-11-20 23:13:47,538 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_511 [2021-11-20 23:13:47,538 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_511 [2021-11-20 23:13:47,538 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1020 [2021-11-20 23:13:47,538 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1020 [2021-11-20 23:13:47,539 INFO L130 BoogieDeclarations]: Found specification of procedure rt2500usb_rf_write [2021-11-20 23:13:47,539 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2500usb_rf_write [2021-11-20 23:13:47,539 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1266 [2021-11-20 23:13:47,539 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1266 [2021-11-20 23:13:47,539 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1264 [2021-11-20 23:13:47,539 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1264 [2021-11-20 23:13:47,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 23:13:47,539 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1384 [2021-11-20 23:13:47,540 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1384 [2021-11-20 23:13:47,540 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1269 [2021-11-20 23:13:47,540 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1269 [2021-11-20 23:13:47,540 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_886 [2021-11-20 23:13:47,540 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_886 [2021-11-20 23:13:47,540 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1018 [2021-11-20 23:13:47,540 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1018 [2021-11-20 23:13:47,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-20 23:13:47,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-20 23:13:47,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_rt2500usb_driver_exit_6_2 [2021-11-20 23:13:47,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_rt2500usb_driver_exit_6_2 [2021-11-20 23:13:47,541 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_641 [2021-11-20 23:13:47,541 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_641 [2021-11-20 23:13:47,541 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_884 [2021-11-20 23:13:47,541 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_884 [2021-11-20 23:13:47,542 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00_eeprom_read [2021-11-20 23:13:47,542 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00_eeprom_read [2021-11-20 23:13:47,542 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_885 [2021-11-20 23:13:47,542 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_885 [2021-11-20 23:13:47,542 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00usb_vendor_request_buff [2021-11-20 23:13:47,542 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00usb_vendor_request_buff [2021-11-20 23:13:47,542 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_880 [2021-11-20 23:13:47,542 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_880 [2021-11-20 23:13:48,877 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 23:13:48,900 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 23:13:50,194 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-20 23:14:10,513 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-20 23:14:10,812 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 23:14:12,387 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 23:14:12,388 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-20 23:14:12,398 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:14:12 BoogieIcfgContainer [2021-11-20 23:14:12,398 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 23:14:12,401 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 23:14:12,401 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 23:14:12,406 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 23:14:12,406 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 11:13:39" (1/3) ... [2021-11-20 23:14:12,407 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b0daa67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:14:12, skipping insertion in model container [2021-11-20 23:14:12,408 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:13:46" (2/3) ... [2021-11-20 23:14:12,408 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b0daa67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 11:14:12, skipping insertion in model container [2021-11-20 23:14:12,409 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 11:14:12" (3/3) ... [2021-11-20 23:14:12,410 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rt2x00-rt2500usb.cil.i [2021-11-20 23:14:12,417 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 23:14:12,418 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-20 23:14:12,532 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 23:14:12,539 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-20 23:14:12,540 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-20 23:14:12,651 INFO L276 IsEmpty]: Start isEmpty. Operand has 3501 states, 2138 states have (on average 1.3797942001870906) internal successors, (2950), 2658 states have internal predecessors, (2950), 1082 states have call successors, (1082), 279 states have call predecessors, (1082), 278 states have return successors, (1076), 1076 states have call predecessors, (1076), 1076 states have call successors, (1076) [2021-11-20 23:14:12,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 642 [2021-11-20 23:14:12,696 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:14:12,697 INFO L514 BasicCegarLoop]: trace histogram [63, 62, 62, 62, 62, 62, 62, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:14:12,698 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-20 23:14:12,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:14:12,704 INFO L85 PathProgramCache]: Analyzing trace with hash 1656102004, now seen corresponding path program 1 times [2021-11-20 23:14:12,715 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:14:12,715 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417938848] [2021-11-20 23:14:12,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:14:12,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:14:13,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:14:14,249 INFO L134 CoverageAnalysis]: Checked inductivity of 15252 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15252 trivial. 0 not checked. [2021-11-20 23:14:14,250 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:14:14,250 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417938848] [2021-11-20 23:14:14,251 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1417938848] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:14:14,251 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:14:14,252 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 23:14:14,253 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438772690] [2021-11-20 23:14:14,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:14:14,261 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 23:14:14,261 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:14:14,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 23:14:14,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:14:14,302 INFO L87 Difference]: Start difference. First operand has 3501 states, 2138 states have (on average 1.3797942001870906) internal successors, (2950), 2658 states have internal predecessors, (2950), 1082 states have call successors, (1082), 279 states have call predecessors, (1082), 278 states have return successors, (1076), 1076 states have call predecessors, (1076), 1076 states have call successors, (1076) Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (67), 2 states have call predecessors, (67), 1 states have return successors, (65), 3 states have call predecessors, (65), 3 states have call successors, (65) [2021-11-20 23:14:16,677 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-20 23:14:21,601 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:14:22,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:14:22,245 INFO L93 Difference]: Finished difference Result 10185 states and 15034 transitions. [2021-11-20 23:14:22,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 23:14:22,248 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (67), 2 states have call predecessors, (67), 1 states have return successors, (65), 3 states have call predecessors, (65), 3 states have call successors, (65) Word has length 641 [2021-11-20 23:14:22,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:14:22,319 INFO L225 Difference]: With dead ends: 10185 [2021-11-20 23:14:22,319 INFO L226 Difference]: Without dead ends: 6799 [2021-11-20 23:14:22,355 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:14:22,358 INFO L933 BasicCegarLoop]: 5730 mSDtfsCounter, 4837 mSDsluCounter, 5052 mSDsCounter, 0 mSdLazyCounter, 742 mSolverCounterSat, 7 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4843 SdHoareTripleChecker+Valid, 10430 SdHoareTripleChecker+Invalid, 751 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 742 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2021-11-20 23:14:22,360 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4843 Valid, 10430 Invalid, 751 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 742 Invalid, 2 Unknown, 0 Unchecked, 7.3s Time] [2021-11-20 23:14:22,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6799 states. [2021-11-20 23:14:22,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6799 to 6792. [2021-11-20 23:14:22,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6792 states, 4173 states have (on average 1.3822190270788401) internal successors, (5768), 5212 states have internal predecessors, (5768), 2066 states have call successors, (2066), 552 states have call predecessors, (2066), 550 states have return successors, (2062), 2061 states have call predecessors, (2062), 2062 states have call successors, (2062) [2021-11-20 23:14:23,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6792 states to 6792 states and 9896 transitions. [2021-11-20 23:14:23,025 INFO L78 Accepts]: Start accepts. Automaton has 6792 states and 9896 transitions. Word has length 641 [2021-11-20 23:14:23,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:14:23,028 INFO L470 AbstractCegarLoop]: Abstraction has 6792 states and 9896 transitions. [2021-11-20 23:14:23,028 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (67), 2 states have call predecessors, (67), 1 states have return successors, (65), 3 states have call predecessors, (65), 3 states have call successors, (65) [2021-11-20 23:14:23,029 INFO L276 IsEmpty]: Start isEmpty. Operand 6792 states and 9896 transitions. [2021-11-20 23:14:23,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 666 [2021-11-20 23:14:23,052 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:14:23,053 INFO L514 BasicCegarLoop]: trace histogram [63, 62, 62, 62, 62, 62, 62, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:14:23,053 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 23:14:23,053 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-20 23:14:23,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:14:23,054 INFO L85 PathProgramCache]: Analyzing trace with hash 1633275302, now seen corresponding path program 1 times [2021-11-20 23:14:23,054 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:14:23,055 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040932594] [2021-11-20 23:14:23,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:14:23,055 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:14:23,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:14:23,850 INFO L134 CoverageAnalysis]: Checked inductivity of 15254 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15254 trivial. 0 not checked. [2021-11-20 23:14:23,850 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:14:23,850 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040932594] [2021-11-20 23:14:23,851 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2040932594] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:14:23,851 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:14:23,851 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 23:14:23,851 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931474346] [2021-11-20 23:14:23,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:14:23,855 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 23:14:23,855 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:14:23,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 23:14:23,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:14:23,857 INFO L87 Difference]: Start difference. First operand 6792 states and 9896 transitions. Second operand has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (70), 2 states have call predecessors, (70), 1 states have return successors, (66), 3 states have call predecessors, (66), 3 states have call successors, (66) [2021-11-20 23:14:26,055 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-20 23:14:31,646 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:14:32,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:14:32,637 INFO L93 Difference]: Finished difference Result 16449 states and 23889 transitions. [2021-11-20 23:14:32,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 23:14:32,638 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (70), 2 states have call predecessors, (70), 1 states have return successors, (66), 3 states have call predecessors, (66), 3 states have call successors, (66) Word has length 665 [2021-11-20 23:14:32,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:14:32,728 INFO L225 Difference]: With dead ends: 16449 [2021-11-20 23:14:32,729 INFO L226 Difference]: Without dead ends: 9782 [2021-11-20 23:14:32,765 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:14:32,767 INFO L933 BasicCegarLoop]: 5649 mSDtfsCounter, 4547 mSDsluCounter, 4912 mSDsCounter, 0 mSdLazyCounter, 839 mSolverCounterSat, 15 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4551 SdHoareTripleChecker+Valid, 10263 SdHoareTripleChecker+Invalid, 856 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 839 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time [2021-11-20 23:14:32,768 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4551 Valid, 10263 Invalid, 856 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 839 Invalid, 2 Unknown, 0 Unchecked, 7.9s Time] [2021-11-20 23:14:32,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9782 states. [2021-11-20 23:14:33,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9782 to 9760. [2021-11-20 23:14:33,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9760 states, 6008 states have (on average 1.3801597869507323) internal successors, (8292), 7569 states have internal predecessors, (8292), 2922 states have call successors, (2922), 830 states have call predecessors, (2922), 827 states have return successors, (2918), 2911 states have call predecessors, (2918), 2918 states have call successors, (2918) [2021-11-20 23:14:33,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9760 states to 9760 states and 14132 transitions. [2021-11-20 23:14:33,327 INFO L78 Accepts]: Start accepts. Automaton has 9760 states and 14132 transitions. Word has length 665 [2021-11-20 23:14:33,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:14:33,330 INFO L470 AbstractCegarLoop]: Abstraction has 9760 states and 14132 transitions. [2021-11-20 23:14:33,331 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (70), 2 states have call predecessors, (70), 1 states have return successors, (66), 3 states have call predecessors, (66), 3 states have call successors, (66) [2021-11-20 23:14:33,331 INFO L276 IsEmpty]: Start isEmpty. Operand 9760 states and 14132 transitions. [2021-11-20 23:14:33,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 665 [2021-11-20 23:14:33,352 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:14:33,353 INFO L514 BasicCegarLoop]: trace histogram [63, 62, 62, 62, 62, 62, 62, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:14:33,353 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 23:14:33,356 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-20 23:14:33,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:14:33,357 INFO L85 PathProgramCache]: Analyzing trace with hash 490185494, now seen corresponding path program 1 times [2021-11-20 23:14:33,357 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:14:33,358 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795937275] [2021-11-20 23:14:33,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:14:33,358 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:14:33,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:14:34,002 INFO L134 CoverageAnalysis]: Checked inductivity of 15254 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15254 trivial. 0 not checked. [2021-11-20 23:14:34,003 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:14:34,004 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795937275] [2021-11-20 23:14:34,004 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [795937275] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:14:34,004 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:14:34,004 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 23:14:34,005 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173268104] [2021-11-20 23:14:34,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:14:34,007 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 23:14:34,007 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:14:34,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 23:14:34,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:14:34,008 INFO L87 Difference]: Start difference. First operand 9760 states and 14132 transitions. Second operand has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 3 states have call successors, (70), 2 states have call predecessors, (70), 1 states have return successors, (66), 3 states have call predecessors, (66), 3 states have call successors, (66) [2021-11-20 23:14:36,174 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-20 23:14:42,577 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:14:43,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:14:43,074 INFO L93 Difference]: Finished difference Result 21043 states and 30418 transitions. [2021-11-20 23:14:43,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 23:14:43,075 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 3 states have call successors, (70), 2 states have call predecessors, (70), 1 states have return successors, (66), 3 states have call predecessors, (66), 3 states have call successors, (66) Word has length 664 [2021-11-20 23:14:43,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:14:43,169 INFO L225 Difference]: With dead ends: 21043 [2021-11-20 23:14:43,170 INFO L226 Difference]: Without dead ends: 11408 [2021-11-20 23:14:43,226 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:14:43,227 INFO L933 BasicCegarLoop]: 8092 mSDtfsCounter, 4548 mSDsluCounter, 4912 mSDsCounter, 0 mSdLazyCounter, 1033 mSolverCounterSat, 15 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4552 SdHoareTripleChecker+Valid, 12705 SdHoareTripleChecker+Invalid, 1050 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1033 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2021-11-20 23:14:43,228 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4552 Valid, 12705 Invalid, 1050 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 1033 Invalid, 2 Unknown, 0 Unchecked, 8.6s Time] [2021-11-20 23:14:43,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11408 states. [2021-11-20 23:14:43,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11408 to 11386. [2021-11-20 23:14:43,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11386 states, 7024 states have (on average 1.3741457858769932) internal successors, (9652), 8791 states have internal predecessors, (9652), 3382 states have call successors, (3382), 980 states have call predecessors, (3382), 977 states have return successors, (3378), 3361 states have call predecessors, (3378), 3378 states have call successors, (3378) [2021-11-20 23:14:44,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11386 states to 11386 states and 16412 transitions. [2021-11-20 23:14:44,026 INFO L78 Accepts]: Start accepts. Automaton has 11386 states and 16412 transitions. Word has length 664 [2021-11-20 23:14:44,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:14:44,029 INFO L470 AbstractCegarLoop]: Abstraction has 11386 states and 16412 transitions. [2021-11-20 23:14:44,029 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 3 states have call successors, (70), 2 states have call predecessors, (70), 1 states have return successors, (66), 3 states have call predecessors, (66), 3 states have call successors, (66) [2021-11-20 23:14:44,029 INFO L276 IsEmpty]: Start isEmpty. Operand 11386 states and 16412 transitions. [2021-11-20 23:14:44,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 683 [2021-11-20 23:14:44,055 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:14:44,056 INFO L514 BasicCegarLoop]: trace histogram [63, 62, 62, 62, 62, 62, 62, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:14:44,056 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-20 23:14:44,056 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-20 23:14:44,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:14:44,057 INFO L85 PathProgramCache]: Analyzing trace with hash 499442137, now seen corresponding path program 1 times [2021-11-20 23:14:44,058 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:14:44,058 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718617862] [2021-11-20 23:14:44,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:14:44,058 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:14:44,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:14:44,721 INFO L134 CoverageAnalysis]: Checked inductivity of 15264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15264 trivial. 0 not checked. [2021-11-20 23:14:44,722 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:14:44,722 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [718617862] [2021-11-20 23:14:44,722 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [718617862] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:14:44,723 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:14:44,723 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 23:14:44,723 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485431477] [2021-11-20 23:14:44,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:14:44,725 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 23:14:44,725 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:14:44,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 23:14:44,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:14:44,726 INFO L87 Difference]: Start difference. First operand 11386 states and 16412 transitions. Second operand has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 3 states have call successors, (75), 2 states have call predecessors, (75), 1 states have return successors, (70), 3 states have call predecessors, (70), 3 states have call successors, (70) [2021-11-20 23:14:46,971 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-20 23:14:52,289 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:14:52,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:14:52,648 INFO L93 Difference]: Finished difference Result 32325 states and 46623 transitions. [2021-11-20 23:14:52,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 23:14:52,650 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 3 states have call successors, (75), 2 states have call predecessors, (75), 1 states have return successors, (70), 3 states have call predecessors, (70), 3 states have call successors, (70) Word has length 682 [2021-11-20 23:14:52,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:14:52,765 INFO L225 Difference]: With dead ends: 32325 [2021-11-20 23:14:52,765 INFO L226 Difference]: Without dead ends: 21064 [2021-11-20 23:14:52,808 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:14:52,809 INFO L933 BasicCegarLoop]: 6351 mSDtfsCounter, 4776 mSDsluCounter, 5040 mSDsCounter, 0 mSdLazyCounter, 811 mSolverCounterSat, 16 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4782 SdHoareTripleChecker+Valid, 11042 SdHoareTripleChecker+Invalid, 829 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 811 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2021-11-20 23:14:52,809 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4782 Valid, 11042 Invalid, 829 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 811 Invalid, 2 Unknown, 0 Unchecked, 7.3s Time] [2021-11-20 23:14:52,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21064 states. [2021-11-20 23:14:53,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21064 to 21034. [2021-11-20 23:14:53,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21034 states, 13017 states have (on average 1.3755089498348314) internal successors, (17905), 16363 states have internal predecessors, (17905), 6206 states have call successors, (6206), 1814 states have call predecessors, (6206), 1808 states have return successors, (6202), 6154 states have call predecessors, (6202), 6202 states have call successors, (6202) [2021-11-20 23:14:53,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21034 states to 21034 states and 30313 transitions. [2021-11-20 23:14:53,976 INFO L78 Accepts]: Start accepts. Automaton has 21034 states and 30313 transitions. Word has length 682 [2021-11-20 23:14:53,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:14:53,978 INFO L470 AbstractCegarLoop]: Abstraction has 21034 states and 30313 transitions. [2021-11-20 23:14:53,978 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 3 states have call successors, (75), 2 states have call predecessors, (75), 1 states have return successors, (70), 3 states have call predecessors, (70), 3 states have call successors, (70) [2021-11-20 23:14:53,979 INFO L276 IsEmpty]: Start isEmpty. Operand 21034 states and 30313 transitions. [2021-11-20 23:14:54,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 684 [2021-11-20 23:14:54,004 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:14:54,004 INFO L514 BasicCegarLoop]: trace histogram [66, 62, 62, 62, 62, 62, 62, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:14:54,005 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-20 23:14:54,005 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-20 23:14:54,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:14:54,006 INFO L85 PathProgramCache]: Analyzing trace with hash -1613392270, now seen corresponding path program 1 times [2021-11-20 23:14:54,006 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:14:54,006 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746909221] [2021-11-20 23:14:54,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:14:54,007 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:14:54,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:14:55,292 INFO L134 CoverageAnalysis]: Checked inductivity of 15663 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15663 trivial. 0 not checked. [2021-11-20 23:14:55,293 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:14:55,293 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746909221] [2021-11-20 23:14:55,293 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1746909221] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:14:55,293 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:14:55,294 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 23:14:55,294 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514843224] [2021-11-20 23:14:55,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:14:55,295 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 23:14:55,295 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:14:55,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 23:14:55,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-20 23:14:55,296 INFO L87 Difference]: Start difference. First operand 21034 states and 30313 transitions. Second operand has 5 states, 5 states have (on average 18.6) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (73), 3 states have call predecessors, (73), 1 states have return successors, (71), 2 states have call predecessors, (71), 2 states have call successors, (71) [2021-11-20 23:14:57,483 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-20 23:15:03,614 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:15:03,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:15:03,963 INFO L93 Difference]: Finished difference Result 21064 states and 30330 transitions. [2021-11-20 23:15:03,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 23:15:03,974 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (73), 3 states have call predecessors, (73), 1 states have return successors, (71), 2 states have call predecessors, (71), 2 states have call successors, (71) Word has length 683 [2021-11-20 23:15:03,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:15:04,074 INFO L225 Difference]: With dead ends: 21064 [2021-11-20 23:15:04,075 INFO L226 Difference]: Without dead ends: 21062 [2021-11-20 23:15:04,086 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-20 23:15:04,087 INFO L933 BasicCegarLoop]: 4713 mSDtfsCounter, 4671 mSDsluCounter, 10403 mSDsCounter, 0 mSdLazyCounter, 1112 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4680 SdHoareTripleChecker+Valid, 14379 SdHoareTripleChecker+Invalid, 1116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1112 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2021-11-20 23:15:04,088 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4680 Valid, 14379 Invalid, 1116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1112 Invalid, 2 Unknown, 0 Unchecked, 8.1s Time] [2021-11-20 23:15:04,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21062 states. [2021-11-20 23:15:05,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21062 to 21062. [2021-11-20 23:15:05,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21062 states, 13032 states have (on average 1.3750767341927563) internal successors, (17920), 16378 states have internal predecessors, (17920), 6206 states have call successors, (6206), 1827 states have call predecessors, (6206), 1821 states have return successors, (6202), 6154 states have call predecessors, (6202), 6202 states have call successors, (6202) [2021-11-20 23:15:05,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21062 states to 21062 states and 30328 transitions. [2021-11-20 23:15:05,198 INFO L78 Accepts]: Start accepts. Automaton has 21062 states and 30328 transitions. Word has length 683 [2021-11-20 23:15:05,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:15:05,199 INFO L470 AbstractCegarLoop]: Abstraction has 21062 states and 30328 transitions. [2021-11-20 23:15:05,199 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.6) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (73), 3 states have call predecessors, (73), 1 states have return successors, (71), 2 states have call predecessors, (71), 2 states have call successors, (71) [2021-11-20 23:15:05,200 INFO L276 IsEmpty]: Start isEmpty. Operand 21062 states and 30328 transitions. [2021-11-20 23:15:05,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 689 [2021-11-20 23:15:05,208 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:15:05,210 INFO L514 BasicCegarLoop]: trace histogram [66, 62, 62, 62, 62, 62, 62, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:15:05,210 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-20 23:15:05,210 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-20 23:15:05,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:15:05,211 INFO L85 PathProgramCache]: Analyzing trace with hash -1061813430, now seen corresponding path program 1 times [2021-11-20 23:15:05,211 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:15:05,211 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274489076] [2021-11-20 23:15:05,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:15:05,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:15:05,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:15:06,338 INFO L134 CoverageAnalysis]: Checked inductivity of 15665 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 15663 trivial. 0 not checked. [2021-11-20 23:15:06,339 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:15:06,339 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [274489076] [2021-11-20 23:15:06,339 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [274489076] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:15:06,339 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:15:06,340 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 23:15:06,340 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101212917] [2021-11-20 23:15:06,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:15:06,341 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 23:15:06,341 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:15:06,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 23:15:06,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-20 23:15:06,342 INFO L87 Difference]: Start difference. First operand 21062 states and 30328 transitions. Second operand has 5 states, 5 states have (on average 19.2) internal successors, (96), 4 states have internal predecessors, (96), 2 states have call successors, (74), 3 states have call predecessors, (74), 1 states have return successors, (72), 2 states have call predecessors, (72), 2 states have call successors, (72) [2021-11-20 23:15:08,538 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-20 23:15:14,572 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:15:14,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:15:14,859 INFO L93 Difference]: Finished difference Result 21068 states and 30333 transitions. [2021-11-20 23:15:14,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 23:15:14,860 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 4 states have internal predecessors, (96), 2 states have call successors, (74), 3 states have call predecessors, (74), 1 states have return successors, (72), 2 states have call predecessors, (72), 2 states have call successors, (72) Word has length 688 [2021-11-20 23:15:14,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:15:14,951 INFO L225 Difference]: With dead ends: 21068 [2021-11-20 23:15:14,951 INFO L226 Difference]: Without dead ends: 21066 [2021-11-20 23:15:14,962 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-20 23:15:14,963 INFO L933 BasicCegarLoop]: 4716 mSDtfsCounter, 4922 mSDsluCounter, 10145 mSDsCounter, 0 mSdLazyCounter, 1097 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4930 SdHoareTripleChecker+Valid, 14137 SdHoareTripleChecker+Invalid, 1100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1097 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time [2021-11-20 23:15:14,963 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4930 Valid, 14137 Invalid, 1100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1097 Invalid, 2 Unknown, 0 Unchecked, 7.9s Time] [2021-11-20 23:15:14,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21066 states. [2021-11-20 23:15:15,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21066 to 21066. [2021-11-20 23:15:16,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21066 states, 13035 states have (on average 1.3749904104334485) internal successors, (17923), 16381 states have internal predecessors, (17923), 6206 states have call successors, (6206), 1828 states have call predecessors, (6206), 1822 states have return successors, (6202), 6154 states have call predecessors, (6202), 6202 states have call successors, (6202) [2021-11-20 23:15:16,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21066 states to 21066 states and 30331 transitions. [2021-11-20 23:15:16,109 INFO L78 Accepts]: Start accepts. Automaton has 21066 states and 30331 transitions. Word has length 688 [2021-11-20 23:15:16,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:15:16,111 INFO L470 AbstractCegarLoop]: Abstraction has 21066 states and 30331 transitions. [2021-11-20 23:15:16,111 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 4 states have internal predecessors, (96), 2 states have call successors, (74), 3 states have call predecessors, (74), 1 states have return successors, (72), 2 states have call predecessors, (72), 2 states have call successors, (72) [2021-11-20 23:15:16,111 INFO L276 IsEmpty]: Start isEmpty. Operand 21066 states and 30331 transitions. [2021-11-20 23:15:16,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 694 [2021-11-20 23:15:16,262 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:15:16,263 INFO L514 BasicCegarLoop]: trace histogram [66, 62, 62, 62, 62, 62, 62, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:15:16,263 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-20 23:15:16,263 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-20 23:15:16,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:15:16,264 INFO L85 PathProgramCache]: Analyzing trace with hash -403901134, now seen corresponding path program 1 times [2021-11-20 23:15:16,264 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:15:16,264 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876898475] [2021-11-20 23:15:16,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:15:16,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:15:16,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:15:17,223 INFO L134 CoverageAnalysis]: Checked inductivity of 15671 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 15667 trivial. 0 not checked. [2021-11-20 23:15:17,223 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:15:17,224 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876898475] [2021-11-20 23:15:17,224 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [876898475] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:15:17,224 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:15:17,225 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 23:15:17,225 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394449718] [2021-11-20 23:15:17,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:15:17,226 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 23:15:17,227 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:15:17,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 23:15:17,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-20 23:15:17,228 INFO L87 Difference]: Start difference. First operand 21066 states and 30331 transitions. Second operand has 5 states, 5 states have (on average 19.2) internal successors, (96), 4 states have internal predecessors, (96), 2 states have call successors, (75), 3 states have call predecessors, (75), 1 states have return successors, (73), 2 states have call predecessors, (73), 2 states have call successors, (73) [2021-11-20 23:15:19,423 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-20 23:15:25,139 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:15:25,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:15:25,486 INFO L93 Difference]: Finished difference Result 21072 states and 30336 transitions. [2021-11-20 23:15:25,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 23:15:25,487 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 4 states have internal predecessors, (96), 2 states have call successors, (75), 3 states have call predecessors, (75), 1 states have return successors, (73), 2 states have call predecessors, (73), 2 states have call successors, (73) Word has length 693 [2021-11-20 23:15:25,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:15:25,582 INFO L225 Difference]: With dead ends: 21072 [2021-11-20 23:15:25,582 INFO L226 Difference]: Without dead ends: 21068 [2021-11-20 23:15:25,592 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-20 23:15:25,592 INFO L933 BasicCegarLoop]: 4716 mSDtfsCounter, 4922 mSDsluCounter, 10145 mSDsCounter, 0 mSdLazyCounter, 1097 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4929 SdHoareTripleChecker+Valid, 14137 SdHoareTripleChecker+Invalid, 1100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1097 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2021-11-20 23:15:25,593 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4929 Valid, 14137 Invalid, 1100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1097 Invalid, 2 Unknown, 0 Unchecked, 7.7s Time] [2021-11-20 23:15:25,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21068 states. [2021-11-20 23:15:26,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21068 to 21068. [2021-11-20 23:15:26,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21068 states, 13037 states have (on average 1.374856178568689) internal successors, (17924), 16382 states have internal predecessors, (17924), 6206 states have call successors, (6206), 1829 states have call predecessors, (6206), 1822 states have return successors, (6202), 6154 states have call predecessors, (6202), 6202 states have call successors, (6202) [2021-11-20 23:15:26,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21068 states to 21068 states and 30332 transitions. [2021-11-20 23:15:26,790 INFO L78 Accepts]: Start accepts. Automaton has 21068 states and 30332 transitions. Word has length 693 [2021-11-20 23:15:26,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:15:26,791 INFO L470 AbstractCegarLoop]: Abstraction has 21068 states and 30332 transitions. [2021-11-20 23:15:26,792 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 4 states have internal predecessors, (96), 2 states have call successors, (75), 3 states have call predecessors, (75), 1 states have return successors, (73), 2 states have call predecessors, (73), 2 states have call successors, (73) [2021-11-20 23:15:26,792 INFO L276 IsEmpty]: Start isEmpty. Operand 21068 states and 30332 transitions. [2021-11-20 23:15:26,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 703 [2021-11-20 23:15:26,803 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:15:26,804 INFO L514 BasicCegarLoop]: trace histogram [66, 62, 62, 62, 62, 62, 62, 5, 5, 4, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:15:26,804 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-20 23:15:26,804 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-20 23:15:26,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:15:26,806 INFO L85 PathProgramCache]: Analyzing trace with hash 752916749, now seen corresponding path program 1 times [2021-11-20 23:15:26,806 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:15:26,806 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383139061] [2021-11-20 23:15:26,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:15:26,807 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:15:27,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:15:27,889 INFO L134 CoverageAnalysis]: Checked inductivity of 15689 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 15683 trivial. 0 not checked. [2021-11-20 23:15:27,890 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:15:27,890 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [383139061] [2021-11-20 23:15:27,890 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [383139061] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:15:27,891 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:15:27,891 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 23:15:27,891 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319394283] [2021-11-20 23:15:27,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:15:27,892 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 23:15:27,893 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:15:27,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 23:15:27,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-20 23:15:27,894 INFO L87 Difference]: Start difference. First operand 21068 states and 30332 transitions. Second operand has 5 states, 5 states have (on average 19.6) internal successors, (98), 4 states have internal predecessors, (98), 2 states have call successors, (78), 3 states have call predecessors, (78), 1 states have return successors, (76), 2 states have call predecessors, (76), 2 states have call successors, (76) [2021-11-20 23:15:34,177 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:15:34,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:15:34,579 INFO L93 Difference]: Finished difference Result 21068 states and 30332 transitions. [2021-11-20 23:15:34,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 23:15:34,580 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.6) internal successors, (98), 4 states have internal predecessors, (98), 2 states have call successors, (78), 3 states have call predecessors, (78), 1 states have return successors, (76), 2 states have call predecessors, (76), 2 states have call successors, (76) Word has length 702 [2021-11-20 23:15:34,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:15:34,667 INFO L225 Difference]: With dead ends: 21068 [2021-11-20 23:15:34,667 INFO L226 Difference]: Without dead ends: 20973 [2021-11-20 23:15:34,677 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-20 23:15:34,678 INFO L933 BasicCegarLoop]: 4714 mSDtfsCounter, 4921 mSDsluCounter, 10146 mSDsCounter, 0 mSdLazyCounter, 1095 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4924 SdHoareTripleChecker+Valid, 14134 SdHoareTripleChecker+Invalid, 1097 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1095 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2021-11-20 23:15:34,678 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4924 Valid, 14134 Invalid, 1097 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1095 Invalid, 1 Unknown, 0 Unchecked, 6.0s Time] [2021-11-20 23:15:34,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20973 states. [2021-11-20 23:15:35,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20973 to 20973. [2021-11-20 23:15:35,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20973 states, 13009 states have (on average 1.3738181259128295) internal successors, (17872), 16330 states have internal predecessors, (17872), 6151 states have call successors, (6151), 1816 states have call predecessors, (6151), 1811 states have return successors, (6151), 6124 states have call predecessors, (6151), 6151 states have call successors, (6151) [2021-11-20 23:15:35,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20973 states to 20973 states and 30174 transitions. [2021-11-20 23:15:35,845 INFO L78 Accepts]: Start accepts. Automaton has 20973 states and 30174 transitions. Word has length 702 [2021-11-20 23:15:35,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:15:35,846 INFO L470 AbstractCegarLoop]: Abstraction has 20973 states and 30174 transitions. [2021-11-20 23:15:35,846 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.6) internal successors, (98), 4 states have internal predecessors, (98), 2 states have call successors, (78), 3 states have call predecessors, (78), 1 states have return successors, (76), 2 states have call predecessors, (76), 2 states have call successors, (76) [2021-11-20 23:15:35,846 INFO L276 IsEmpty]: Start isEmpty. Operand 20973 states and 30174 transitions. [2021-11-20 23:15:35,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 700 [2021-11-20 23:15:35,856 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:15:35,857 INFO L514 BasicCegarLoop]: trace histogram [64, 62, 62, 62, 62, 62, 62, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:15:35,857 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-20 23:15:35,857 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-20 23:15:35,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:15:35,858 INFO L85 PathProgramCache]: Analyzing trace with hash -615976777, now seen corresponding path program 1 times [2021-11-20 23:15:35,858 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:15:35,859 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771306104] [2021-11-20 23:15:35,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:15:35,859 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:15:36,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:15:36,358 INFO L134 CoverageAnalysis]: Checked inductivity of 15396 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 15390 trivial. 0 not checked. [2021-11-20 23:15:36,359 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:15:36,359 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771306104] [2021-11-20 23:15:36,359 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1771306104] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:15:36,359 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:15:36,360 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 23:15:36,360 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832995301] [2021-11-20 23:15:36,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:15:36,361 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 23:15:36,362 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:15:36,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 23:15:36,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-11-20 23:15:36,363 INFO L87 Difference]: Start difference. First operand 20973 states and 30174 transitions. Second operand has 5 states, 5 states have (on average 23.6) internal successors, (118), 5 states have internal predecessors, (118), 3 states have call successors, (77), 2 states have call predecessors, (77), 1 states have return successors, (72), 3 states have call predecessors, (72), 3 states have call successors, (72) [2021-11-20 23:15:39,205 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-20 23:15:55,009 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:15:58,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:15:58,726 INFO L93 Difference]: Finished difference Result 70624 states and 101665 transitions. [2021-11-20 23:15:58,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 23:15:58,727 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.6) internal successors, (118), 5 states have internal predecessors, (118), 3 states have call successors, (77), 2 states have call predecessors, (77), 1 states have return successors, (72), 3 states have call predecessors, (72), 3 states have call successors, (72) Word has length 699 [2021-11-20 23:15:58,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:15:59,179 INFO L225 Difference]: With dead ends: 70624 [2021-11-20 23:15:59,179 INFO L226 Difference]: Without dead ends: 49776 [2021-11-20 23:15:59,255 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-11-20 23:15:59,258 INFO L933 BasicCegarLoop]: 12526 mSDtfsCounter, 9505 mSDsluCounter, 17025 mSDsCounter, 0 mSdLazyCounter, 8692 mSolverCounterSat, 1011 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9677 SdHoareTripleChecker+Valid, 28024 SdHoareTripleChecker+Invalid, 9705 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1011 IncrementalHoareTripleChecker+Valid, 8692 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.6s IncrementalHoareTripleChecker+Time [2021-11-20 23:15:59,258 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9677 Valid, 28024 Invalid, 9705 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1011 Valid, 8692 Invalid, 2 Unknown, 0 Unchecked, 20.6s Time] [2021-11-20 23:15:59,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49776 states. [2021-11-20 23:16:02,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49776 to 49736. [2021-11-20 23:16:02,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49736 states, 30831 states have (on average 1.3767636469786904) internal successors, (42447), 38833 states have internal predecessors, (42447), 14586 states have call successors, (14586), 4331 states have call predecessors, (14586), 4317 states have return successors, (14586), 14522 states have call predecessors, (14586), 14586 states have call successors, (14586) [2021-11-20 23:16:02,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49736 states to 49736 states and 71619 transitions. [2021-11-20 23:16:02,644 INFO L78 Accepts]: Start accepts. Automaton has 49736 states and 71619 transitions. Word has length 699 [2021-11-20 23:16:02,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:16:02,645 INFO L470 AbstractCegarLoop]: Abstraction has 49736 states and 71619 transitions. [2021-11-20 23:16:02,645 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.6) internal successors, (118), 5 states have internal predecessors, (118), 3 states have call successors, (77), 2 states have call predecessors, (77), 1 states have return successors, (72), 3 states have call predecessors, (72), 3 states have call successors, (72) [2021-11-20 23:16:02,645 INFO L276 IsEmpty]: Start isEmpty. Operand 49736 states and 71619 transitions. [2021-11-20 23:16:02,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 722 [2021-11-20 23:16:02,664 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:16:02,664 INFO L514 BasicCegarLoop]: trace histogram [67, 62, 62, 62, 62, 62, 62, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:16:02,665 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-20 23:16:02,665 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-20 23:16:02,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:16:02,666 INFO L85 PathProgramCache]: Analyzing trace with hash 1372358866, now seen corresponding path program 1 times [2021-11-20 23:16:02,666 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:16:02,666 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425439636] [2021-11-20 23:16:02,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:16:02,666 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:16:02,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:16:03,175 INFO L134 CoverageAnalysis]: Checked inductivity of 15802 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 15795 trivial. 0 not checked. [2021-11-20 23:16:03,176 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:16:03,176 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425439636] [2021-11-20 23:16:03,176 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1425439636] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:16:03,176 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:16:03,177 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 23:16:03,177 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313361767] [2021-11-20 23:16:03,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:16:03,178 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 23:16:03,178 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:16:03,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 23:16:03,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:16:03,179 INFO L87 Difference]: Start difference. First operand 49736 states and 71619 transitions. Second operand has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 3 states have call successors, (78), 2 states have call predecessors, (78), 1 states have return successors, (74), 3 states have call predecessors, (74), 3 states have call successors, (74) [2021-11-20 23:16:05,633 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-20 23:16:07,741 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-20 23:16:13,497 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:16:14,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:16:14,578 INFO L93 Difference]: Finished difference Result 116737 states and 168068 transitions. [2021-11-20 23:16:14,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 23:16:14,594 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 3 states have call successors, (78), 2 states have call predecessors, (78), 1 states have return successors, (74), 3 states have call predecessors, (74), 3 states have call successors, (74) Word has length 721 [2021-11-20 23:16:14,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:16:14,885 INFO L225 Difference]: With dead ends: 116737 [2021-11-20 23:16:14,885 INFO L226 Difference]: Without dead ends: 67183 [2021-11-20 23:16:15,052 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:16:15,053 INFO L933 BasicCegarLoop]: 6356 mSDtfsCounter, 4516 mSDsluCounter, 4879 mSDsCounter, 0 mSdLazyCounter, 917 mSolverCounterSat, 12 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4520 SdHoareTripleChecker+Valid, 10937 SdHoareTripleChecker+Invalid, 932 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 917 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.1s IncrementalHoareTripleChecker+Time [2021-11-20 23:16:15,054 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4520 Valid, 10937 Invalid, 932 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 917 Invalid, 3 Unknown, 0 Unchecked, 9.1s Time] [2021-11-20 23:16:15,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67183 states. [2021-11-20 23:16:17,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67183 to 67166. [2021-11-20 23:16:18,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67166 states, 41675 states have (on average 1.375236952609478) internal successors, (57313), 52488 states have internal predecessors, (57313), 19625 states have call successors, (19625), 5883 states have call predecessors, (19625), 5864 states have return successors, (19625), 19526 states have call predecessors, (19625), 19625 states have call successors, (19625) [2021-11-20 23:16:18,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67166 states to 67166 states and 96563 transitions. [2021-11-20 23:16:18,298 INFO L78 Accepts]: Start accepts. Automaton has 67166 states and 96563 transitions. Word has length 721 [2021-11-20 23:16:18,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:16:18,299 INFO L470 AbstractCegarLoop]: Abstraction has 67166 states and 96563 transitions. [2021-11-20 23:16:18,299 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 3 states have call successors, (78), 2 states have call predecessors, (78), 1 states have return successors, (74), 3 states have call predecessors, (74), 3 states have call successors, (74) [2021-11-20 23:16:18,300 INFO L276 IsEmpty]: Start isEmpty. Operand 67166 states and 96563 transitions. [2021-11-20 23:16:18,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 723 [2021-11-20 23:16:18,528 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:16:18,529 INFO L514 BasicCegarLoop]: trace histogram [67, 62, 62, 62, 62, 62, 62, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:16:18,529 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-20 23:16:18,529 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-20 23:16:18,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:16:18,530 INFO L85 PathProgramCache]: Analyzing trace with hash -1084121238, now seen corresponding path program 1 times [2021-11-20 23:16:18,530 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:16:18,531 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302461763] [2021-11-20 23:16:18,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:16:18,531 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:16:18,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:16:19,015 INFO L134 CoverageAnalysis]: Checked inductivity of 15802 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 15795 trivial. 0 not checked. [2021-11-20 23:16:19,016 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:16:19,016 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [302461763] [2021-11-20 23:16:19,016 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [302461763] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:16:19,016 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:16:19,017 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 23:16:19,017 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684323125] [2021-11-20 23:16:19,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:16:19,018 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 23:16:19,018 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:16:19,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 23:16:19,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:16:19,019 INFO L87 Difference]: Start difference. First operand 67166 states and 96563 transitions. Second operand has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 3 states have call successors, (78), 2 states have call predecessors, (78), 1 states have return successors, (74), 3 states have call predecessors, (74), 3 states have call successors, (74) [2021-11-20 23:16:21,513 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-20 23:16:27,648 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:16:28,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:16:28,845 INFO L93 Difference]: Finished difference Result 153457 states and 220567 transitions. [2021-11-20 23:16:28,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 23:16:28,846 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 3 states have call successors, (78), 2 states have call predecessors, (78), 1 states have return successors, (74), 3 states have call predecessors, (74), 3 states have call successors, (74) Word has length 722 [2021-11-20 23:16:28,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:16:29,239 INFO L225 Difference]: With dead ends: 153457 [2021-11-20 23:16:29,239 INFO L226 Difference]: Without dead ends: 86473 [2021-11-20 23:16:29,502 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:16:29,503 INFO L933 BasicCegarLoop]: 6361 mSDtfsCounter, 4515 mSDsluCounter, 4879 mSDsCounter, 0 mSdLazyCounter, 922 mSolverCounterSat, 12 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4519 SdHoareTripleChecker+Valid, 10943 SdHoareTripleChecker+Invalid, 936 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 922 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2021-11-20 23:16:29,503 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4519 Valid, 10943 Invalid, 936 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 922 Invalid, 2 Unknown, 0 Unchecked, 6.9s Time] [2021-11-20 23:16:29,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86473 states. [2021-11-20 23:16:33,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86473 to 86456. [2021-11-20 23:16:33,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86456 states, 53729 states have (on average 1.3727409778704238) internal successors, (73756), 67564 states have internal predecessors, (73756), 25151 states have call successors, (25151), 7598 states have call predecessors, (25151), 7574 states have return successors, (25151), 25002 states have call predecessors, (25151), 25151 states have call successors, (25151) [2021-11-20 23:16:33,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86456 states to 86456 states and 124058 transitions. [2021-11-20 23:16:33,717 INFO L78 Accepts]: Start accepts. Automaton has 86456 states and 124058 transitions. Word has length 722 [2021-11-20 23:16:33,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 23:16:33,718 INFO L470 AbstractCegarLoop]: Abstraction has 86456 states and 124058 transitions. [2021-11-20 23:16:33,718 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.333333333333336) internal successors, (124), 3 states have internal predecessors, (124), 3 states have call successors, (78), 2 states have call predecessors, (78), 1 states have return successors, (74), 3 states have call predecessors, (74), 3 states have call successors, (74) [2021-11-20 23:16:33,718 INFO L276 IsEmpty]: Start isEmpty. Operand 86456 states and 124058 transitions. [2021-11-20 23:16:33,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 747 [2021-11-20 23:16:33,741 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 23:16:33,742 INFO L514 BasicCegarLoop]: trace histogram [67, 62, 62, 62, 62, 62, 62, 5, 5, 4, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 23:16:33,742 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-20 23:16:33,742 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-20 23:16:33,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 23:16:33,743 INFO L85 PathProgramCache]: Analyzing trace with hash 960277586, now seen corresponding path program 1 times [2021-11-20 23:16:33,743 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 23:16:33,744 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308622766] [2021-11-20 23:16:33,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 23:16:33,744 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 23:16:33,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 23:16:34,263 INFO L134 CoverageAnalysis]: Checked inductivity of 15822 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 15813 trivial. 0 not checked. [2021-11-20 23:16:34,263 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 23:16:34,264 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308622766] [2021-11-20 23:16:34,264 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1308622766] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 23:16:34,264 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 23:16:34,264 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 23:16:34,265 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841115297] [2021-11-20 23:16:34,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 23:16:34,266 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 23:16:34,266 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 23:16:34,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 23:16:34,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 23:16:34,267 INFO L87 Difference]: Start difference. First operand 86456 states and 124058 transitions. Second operand has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 3 states have call successors, (84), 2 states have call predecessors, (84), 1 states have return successors, (79), 3 states have call predecessors, (79), 3 states have call successors, (79) [2021-11-20 23:16:36,549 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-20 23:16:44,055 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 23:16:46,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 23:16:46,793 INFO L93 Difference]: Finished difference Result 204819 states and 294049 transitions. [2021-11-20 23:16:46,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 23:16:46,794 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.666666666666664) internal successors, (137), 3 states have internal predecessors, (137), 3 states have call successors, (84), 2 states have call predecessors, (84), 1 states have return successors, (79), 3 states have call predecessors, (79), 3 states have call successors, (79) Word has length 746 [2021-11-20 23:16:46,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 23:16:47,337 INFO L225 Difference]: With dead ends: 204819 [2021-11-20 23:16:47,337 INFO L226 Difference]: Without dead ends: 118545