./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 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616d9bc0-c2ca-4558-aa37-a77726063a8f/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616d9bc0-c2ca-4558-aa37-a77726063a8f/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616d9bc0-c2ca-4558-aa37-a77726063a8f/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616d9bc0-c2ca-4558-aa37-a77726063a8f/bin/utaipan-eEHZpOm5b7/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_616d9bc0-c2ca-4558-aa37-a77726063a8f/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616d9bc0-c2ca-4558-aa37-a77726063a8f/bin/utaipan-eEHZpOm5b7 --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 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 20:16:53,273 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 20:16:53,276 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 20:16:53,305 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 20:16:53,306 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 20:16:53,307 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 20:16:53,309 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 20:16:53,311 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 20:16:53,314 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 20:16:53,315 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 20:16:53,317 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 20:16:53,318 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 20:16:53,319 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 20:16:53,320 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 20:16:53,322 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 20:16:53,323 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 20:16:53,324 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 20:16:53,326 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 20:16:53,328 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 20:16:53,330 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 20:16:53,332 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 20:16:53,334 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 20:16:53,336 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 20:16:53,337 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 20:16:53,341 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 20:16:53,341 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 20:16:53,342 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 20:16:53,343 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 20:16:53,344 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 20:16:53,345 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 20:16:53,345 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 20:16:53,346 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 20:16:53,347 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 20:16:53,348 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 20:16:53,350 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 20:16:53,350 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 20:16:53,351 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 20:16:53,351 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 20:16:53,352 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 20:16:53,353 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 20:16:53,354 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 20:16:53,355 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616d9bc0-c2ca-4558-aa37-a77726063a8f/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-25 20:16:53,377 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 20:16:53,378 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 20:16:53,378 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 20:16:53,379 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 20:16:53,380 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 20:16:53,380 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 20:16:53,380 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 20:16:53,381 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 20:16:53,381 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 20:16:53,382 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 20:16:53,382 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 20:16:53,382 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 20:16:53,383 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 20:16:53,383 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 20:16:53,383 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 20:16:53,384 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 20:16:53,384 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 20:16:53,384 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 20:16:53,385 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 20:16:53,385 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 20:16:53,386 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 20:16:53,386 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 20:16:53,386 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 20:16:53,386 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 20:16:53,386 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 20:16:53,387 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 20:16:53,387 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 20:16:53,387 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 20:16:53,387 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 20:16:53,388 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 20:16:53,388 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 20:16:53,388 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 20:16:53,388 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 20:16:53,389 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 20:16:53,389 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 20:16:53,389 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 20:16:53,389 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 20:16:53,389 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 20:16:53,390 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_616d9bc0-c2ca-4558-aa37-a77726063a8f/bin/utaipan-eEHZpOm5b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616d9bc0-c2ca-4558-aa37-a77726063a8f/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2780fc0b078cd95366c58e63c05c4168e73cfd193d5f7dd189d6eaa3d38deb42 [2021-11-25 20:16:53,635 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 20:16:53,655 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 20:16:53,658 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 20:16:53,659 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 20:16:53,660 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 20:16:53,661 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616d9bc0-c2ca-4558-aa37-a77726063a8f/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rt2x00-rt2500usb.cil.i [2021-11-25 20:16:53,724 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616d9bc0-c2ca-4558-aa37-a77726063a8f/bin/utaipan-eEHZpOm5b7/data/f975941f3/b4b054897ab44879ae9fd45dc4c2a083/FLAG539e8a97a [2021-11-25 20:16:54,829 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 20:16:54,830 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616d9bc0-c2ca-4558-aa37-a77726063a8f/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rt2x00-rt2500usb.cil.i [2021-11-25 20:16:54,906 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616d9bc0-c2ca-4558-aa37-a77726063a8f/bin/utaipan-eEHZpOm5b7/data/f975941f3/b4b054897ab44879ae9fd45dc4c2a083/FLAG539e8a97a [2021-11-25 20:16:55,090 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616d9bc0-c2ca-4558-aa37-a77726063a8f/bin/utaipan-eEHZpOm5b7/data/f975941f3/b4b054897ab44879ae9fd45dc4c2a083 [2021-11-25 20:16:55,093 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 20:16:55,096 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 20:16:55,100 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 20:16:55,100 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 20:16:55,104 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 20:16:55,105 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:16:55" (1/1) ... [2021-11-25 20:16:55,107 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e2e83cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:16:55, skipping insertion in model container [2021-11-25 20:16:55,107 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:16:55" (1/1) ... [2021-11-25 20:16:55,117 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 20:16:55,370 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 20:17:00,406 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_616d9bc0-c2ca-4558-aa37-a77726063a8f/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] [2021-11-25 20:17:00,410 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_616d9bc0-c2ca-4558-aa37-a77726063a8f/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] [2021-11-25 20:17:00,411 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_616d9bc0-c2ca-4558-aa37-a77726063a8f/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] [2021-11-25 20:17:00,411 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_616d9bc0-c2ca-4558-aa37-a77726063a8f/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] [2021-11-25 20:17:00,457 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 20:17:00,535 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 20:17:01,313 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616d9bc0-c2ca-4558-aa37-a77726063a8f/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] [2021-11-25 20:17:01,313 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616d9bc0-c2ca-4558-aa37-a77726063a8f/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] [2021-11-25 20:17:01,314 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616d9bc0-c2ca-4558-aa37-a77726063a8f/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] [2021-11-25 20:17:01,314 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616d9bc0-c2ca-4558-aa37-a77726063a8f/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] [2021-11-25 20:17:01,321 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 20:17:01,593 INFO L208 MainTranslator]: Completed translation [2021-11-25 20:17:01,593 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:17:01 WrapperNode [2021-11-25 20:17:01,593 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 20:17:01,595 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 20:17:01,595 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 20:17:01,595 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 20:17:01,603 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:17:01" (1/1) ... [2021-11-25 20:17:01,800 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:17:01" (1/1) ... [2021-11-25 20:17:02,102 INFO L137 Inliner]: procedures = 555, calls = 6825, calls flagged for inlining = 203, calls inlined = 188, statements flattened = 10335 [2021-11-25 20:17:02,103 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 20:17:02,103 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 20:17:02,104 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 20:17:02,104 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 20:17:02,112 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:17:01" (1/1) ... [2021-11-25 20:17:02,113 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:17:01" (1/1) ... [2021-11-25 20:17:02,179 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:17:01" (1/1) ... [2021-11-25 20:17:02,180 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:17:01" (1/1) ... [2021-11-25 20:17:02,548 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:17:01" (1/1) ... [2021-11-25 20:17:02,597 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:17:01" (1/1) ... [2021-11-25 20:17:02,798 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:17:01" (1/1) ... [2021-11-25 20:17:02,856 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 20:17:02,857 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 20:17:02,858 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 20:17:02,858 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 20:17:02,859 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:17:01" (1/1) ... [2021-11-25 20:17:02,868 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 20:17:02,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616d9bc0-c2ca-4558-aa37-a77726063a8f/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:17:02,894 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616d9bc0-c2ca-4558-aa37-a77726063a8f/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 20:17:02,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616d9bc0-c2ca-4558-aa37-a77726063a8f/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 20:17:02,939 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1295 [2021-11-25 20:17:02,940 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1295 [2021-11-25 20:17:02,940 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00_desc_write [2021-11-25 20:17:02,940 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00_desc_write [2021-11-25 20:17:02,940 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1293 [2021-11-25 20:17:02,940 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1293 [2021-11-25 20:17:02,941 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1298 [2021-11-25 20:17:02,941 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1298 [2021-11-25 20:17:02,941 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1296 [2021-11-25 20:17:02,941 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1296 [2021-11-25 20:17:02,942 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2021-11-25 20:17:02,942 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2021-11-25 20:17:02,942 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00mac_conf_tx [2021-11-25 20:17:02,942 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00mac_conf_tx [2021-11-25 20:17:02,942 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00usb_kick_queue [2021-11-25 20:17:02,942 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00usb_kick_queue [2021-11-25 20:17:02,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-25 20:17:02,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-25 20:17:02,943 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00_eeprom_addr [2021-11-25 20:17:02,943 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00_eeprom_addr [2021-11-25 20:17:02,943 INFO L130 BoogieDeclarations]: Found specification of procedure rt2500usb_config_filter [2021-11-25 20:17:02,943 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2500usb_config_filter [2021-11-25 20:17:02,944 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00mac_get_stats [2021-11-25 20:17:02,944 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00mac_get_stats [2021-11-25 20:17:02,944 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1093 [2021-11-25 20:17:02,944 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1093 [2021-11-25 20:17:02,944 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1091 [2021-11-25 20:17:02,944 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1091 [2021-11-25 20:17:02,944 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00mac_sw_scan_start [2021-11-25 20:17:02,945 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00mac_sw_scan_start [2021-11-25 20:17:02,945 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1097 [2021-11-25 20:17:02,945 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1097 [2021-11-25 20:17:02,945 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1095 [2021-11-25 20:17:02,946 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1095 [2021-11-25 20:17:02,946 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_806 [2021-11-25 20:17:02,946 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_806 [2021-11-25 20:17:02,946 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_807 [2021-11-25 20:17:02,946 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_807 [2021-11-25 20:17:02,947 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1099 [2021-11-25 20:17:02,947 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1099 [2021-11-25 20:17:02,947 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_805 [2021-11-25 20:17:02,947 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_805 [2021-11-25 20:17:02,947 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_811 [2021-11-25 20:17:02,948 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_811 [2021-11-25 20:17:02,949 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_812 [2021-11-25 20:17:02,949 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_812 [2021-11-25 20:17:02,949 INFO L130 BoogieDeclarations]: Found specification of procedure rt2500usb_register_write [2021-11-25 20:17:02,949 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2500usb_register_write [2021-11-25 20:17:02,949 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00usb_uninitialize [2021-11-25 20:17:02,950 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00usb_uninitialize [2021-11-25 20:17:02,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-25 20:17:02,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-25 20:17:02,950 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_817 [2021-11-25 20:17:02,951 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_817 [2021-11-25 20:17:02,951 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1089 [2021-11-25 20:17:02,951 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1089 [2021-11-25 20:17:02,951 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_818 [2021-11-25 20:17:02,952 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_818 [2021-11-25 20:17:02,952 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_819 [2021-11-25 20:17:02,952 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_819 [2021-11-25 20:17:02,952 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_813 [2021-11-25 20:17:02,952 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_813 [2021-11-25 20:17:02,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-25 20:17:02,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-25 20:17:02,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2021-11-25 20:17:02,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2021-11-25 20:17:02,953 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_820 [2021-11-25 20:17:02,953 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_820 [2021-11-25 20:17:02,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_csr_mutex_of_rt2x00_dev [2021-11-25 20:17:02,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_csr_mutex_of_rt2x00_dev [2021-11-25 20:17:02,955 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_702 [2021-11-25 20:17:02,955 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_702 [2021-11-25 20:17:02,955 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00mac_tx_frames_pending [2021-11-25 20:17:02,955 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00mac_tx_frames_pending [2021-11-25 20:17:02,955 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 20:17:02,955 INFO L130 BoogieDeclarations]: Found specification of procedure rt2500usb_probe_hw [2021-11-25 20:17:02,956 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2500usb_probe_hw [2021-11-25 20:17:02,956 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00usb_watchdog [2021-11-25 20:17:02,956 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00usb_watchdog [2021-11-25 20:17:02,957 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00mac_flush [2021-11-25 20:17:02,957 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00mac_flush [2021-11-25 20:17:02,957 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00usb_vendor_request_sw [2021-11-25 20:17:02,957 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00usb_vendor_request_sw [2021-11-25 20:17:02,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-25 20:17:02,958 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00mac_bss_info_changed [2021-11-25 20:17:02,958 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00mac_bss_info_changed [2021-11-25 20:17:02,959 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2021-11-25 20:17:02,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2021-11-25 20:17:02,959 INFO L130 BoogieDeclarations]: Found specification of procedure rt2500usb_get_tx_data_len [2021-11-25 20:17:02,959 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2500usb_get_tx_data_len [2021-11-25 20:17:02,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-25 20:17:02,960 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-25 20:17:02,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-25 20:17:02,960 INFO L130 BoogieDeclarations]: Found specification of procedure rt2500usb_queue_init [2021-11-25 20:17:02,960 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2500usb_queue_init [2021-11-25 20:17:02,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 20:17:02,961 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-25 20:17:02,961 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-25 20:17:02,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-25 20:17:02,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-25 20:17:02,962 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_187 [2021-11-25 20:17:02,962 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_187 [2021-11-25 20:17:02,962 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_186 [2021-11-25 20:17:02,962 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_186 [2021-11-25 20:17:02,963 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_159 [2021-11-25 20:17:02,963 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_159 [2021-11-25 20:17:02,966 INFO L130 BoogieDeclarations]: Found specification of procedure rt2500usb_stop_queue [2021-11-25 20:17:02,967 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2500usb_stop_queue [2021-11-25 20:17:02,967 INFO L130 BoogieDeclarations]: Found specification of procedure rt2500usb_start_queue [2021-11-25 20:17:02,967 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2500usb_start_queue [2021-11-25 20:17:02,968 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00_rf [2021-11-25 20:17:02,968 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00_rf [2021-11-25 20:17:02,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 20:17:02,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-25 20:17:02,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-25 20:17:02,975 INFO L130 BoogieDeclarations]: Found specification of procedure rt2500usb_set_device_state [2021-11-25 20:17:02,975 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2500usb_set_device_state [2021-11-25 20:17:02,975 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_161 [2021-11-25 20:17:02,975 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_161 [2021-11-25 20:17:02,976 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_160 [2021-11-25 20:17:02,976 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_160 [2021-11-25 20:17:02,976 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_283 [2021-11-25 20:17:02,976 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_283 [2021-11-25 20:17:02,976 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 20:17:02,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-25 20:17:02,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-25 20:17:02,977 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-25 20:17:02,977 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-25 20:17:02,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 20:17:02,977 INFO L130 BoogieDeclarations]: Found specification of procedure rt2500usb_link_stats [2021-11-25 20:17:02,977 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2500usb_link_stats [2021-11-25 20:17:02,977 INFO L130 BoogieDeclarations]: Found specification of procedure rt2500usb_fill_rxdone [2021-11-25 20:17:02,977 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2500usb_fill_rxdone [2021-11-25 20:17:02,978 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-25 20:17:02,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-25 20:17:02,978 INFO L130 BoogieDeclarations]: Found specification of procedure _rt2x00_desc_write [2021-11-25 20:17:02,978 INFO L138 BoogieDeclarations]: Found implementation of procedure _rt2x00_desc_write [2021-11-25 20:17:02,978 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00mac_tx [2021-11-25 20:17:02,978 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00mac_tx [2021-11-25 20:17:02,978 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_195 [2021-11-25 20:17:02,979 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_195 [2021-11-25 20:17:02,979 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00usb_disconnect [2021-11-25 20:17:02,979 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00usb_disconnect [2021-11-25 20:17:02,979 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00mac_add_interface [2021-11-25 20:17:02,979 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00mac_add_interface [2021-11-25 20:17:02,979 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 20:17:02,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 20:17:02,979 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00mac_set_tim [2021-11-25 20:17:02,980 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00mac_set_tim [2021-11-25 20:17:02,980 INFO L130 BoogieDeclarations]: Found specification of procedure rt2500usb_bbp_write [2021-11-25 20:17:02,980 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2500usb_bbp_write [2021-11-25 20:17:02,980 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00usb_clear_entry [2021-11-25 20:17:02,980 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00usb_clear_entry [2021-11-25 20:17:02,980 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_213 [2021-11-25 20:17:02,980 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_213 [2021-11-25 20:17:02,981 INFO L130 BoogieDeclarations]: Found specification of procedure rt2500usb_config_ant [2021-11-25 20:17:02,981 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2500usb_config_ant [2021-11-25 20:17:02,981 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_218 [2021-11-25 20:17:02,981 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_218 [2021-11-25 20:17:02,981 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_217 [2021-11-25 20:17:02,981 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_217 [2021-11-25 20:17:02,981 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_576 [2021-11-25 20:17:02,982 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_576 [2021-11-25 20:17:02,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-25 20:17:02,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-25 20:17:02,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-25 20:17:02,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-25 20:17:02,982 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_572 [2021-11-25 20:17:02,982 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_572 [2021-11-25 20:17:02,983 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00usb_resume [2021-11-25 20:17:02,983 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00usb_resume [2021-11-25 20:17:02,983 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00mac_stop [2021-11-25 20:17:02,983 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00mac_stop [2021-11-25 20:17:02,983 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_219 [2021-11-25 20:17:02,983 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_219 [2021-11-25 20:17:02,983 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00mac_set_key [2021-11-25 20:17:02,984 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00mac_set_key [2021-11-25 20:17:02,984 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_585 [2021-11-25 20:17:02,984 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_585 [2021-11-25 20:17:02,985 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_586 [2021-11-25 20:17:02,986 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_586 [2021-11-25 20:17:02,986 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_465 [2021-11-25 20:17:02,986 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_465 [2021-11-25 20:17:02,986 INFO L130 BoogieDeclarations]: Found specification of procedure rt2500usb_register_multiwrite [2021-11-25 20:17:02,986 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2500usb_register_multiwrite [2021-11-25 20:17:02,986 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_467 [2021-11-25 20:17:02,986 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_467 [2021-11-25 20:17:02,987 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_584 [2021-11-25 20:17:02,987 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_584 [2021-11-25 20:17:02,987 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_220 [2021-11-25 20:17:02,987 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_220 [2021-11-25 20:17:02,987 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-11-25 20:17:02,987 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-11-25 20:17:02,987 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_549 [2021-11-25 20:17:02,988 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_549 [2021-11-25 20:17:02,988 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_798 [2021-11-25 20:17:02,988 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_798 [2021-11-25 20:17:02,988 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_436 [2021-11-25 20:17:02,988 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_436 [2021-11-25 20:17:02,988 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_558 [2021-11-25 20:17:02,988 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_558 [2021-11-25 20:17:02,989 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2021-11-25 20:17:02,989 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2021-11-25 20:17:02,989 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_559 [2021-11-25 20:17:02,989 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_559 [2021-11-25 20:17:02,989 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_438 [2021-11-25 20:17:02,989 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_438 [2021-11-25 20:17:02,989 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_552 [2021-11-25 20:17:02,990 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_552 [2021-11-25 20:17:02,990 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_553 [2021-11-25 20:17:02,990 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_553 [2021-11-25 20:17:02,990 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_554 [2021-11-25 20:17:02,990 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_554 [2021-11-25 20:17:02,990 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1506 [2021-11-25 20:17:02,990 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1506 [2021-11-25 20:17:02,991 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_434 [2021-11-25 20:17:02,991 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_434 [2021-11-25 20:17:02,991 INFO L130 BoogieDeclarations]: Found specification of procedure _rt2x00_desc_read [2021-11-25 20:17:02,991 INFO L138 BoogieDeclarations]: Found implementation of procedure _rt2x00_desc_read [2021-11-25 20:17:02,991 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00usb_vendor_req_buff_lock [2021-11-25 20:17:02,991 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00usb_vendor_req_buff_lock [2021-11-25 20:17:02,991 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_446 [2021-11-25 20:17:02,992 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_446 [2021-11-25 20:17:02,992 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_447 [2021-11-25 20:17:02,992 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_447 [2021-11-25 20:17:02,992 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_569 [2021-11-25 20:17:02,992 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_569 [2021-11-25 20:17:02,992 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_443 [2021-11-25 20:17:02,992 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_443 [2021-11-25 20:17:02,993 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_444 [2021-11-25 20:17:02,993 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_444 [2021-11-25 20:17:02,993 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_560 [2021-11-25 20:17:02,994 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_560 [2021-11-25 20:17:02,997 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00usb_flush_queue [2021-11-25 20:17:02,997 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00usb_flush_queue [2021-11-25 20:17:02,998 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_440 [2021-11-25 20:17:02,998 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_440 [2021-11-25 20:17:02,998 INFO L130 BoogieDeclarations]: Found specification of procedure rt2500usb_init_led [2021-11-25 20:17:02,998 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2500usb_init_led [2021-11-25 20:17:02,998 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00mac_remove_interface [2021-11-25 20:17:02,998 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00mac_remove_interface [2021-11-25 20:17:02,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 20:17:02,998 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1411 [2021-11-25 20:17:02,998 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1411 [2021-11-25 20:17:02,998 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1527 [2021-11-25 20:17:02,998 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1527 [2021-11-25 20:17:02,998 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1406 [2021-11-25 20:17:02,998 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1406 [2021-11-25 20:17:02,999 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00usb_initialize [2021-11-25 20:17:02,999 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00usb_initialize [2021-11-25 20:17:02,999 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1407 [2021-11-25 20:17:02,999 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1407 [2021-11-25 20:17:02,999 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_374 [2021-11-25 20:17:02,999 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_374 [2021-11-25 20:17:02,999 INFO L130 BoogieDeclarations]: Found specification of procedure rt2500usb_config_key [2021-11-25 20:17:02,999 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2500usb_config_key [2021-11-25 20:17:02,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 20:17:02,999 INFO L130 BoogieDeclarations]: Found specification of procedure rt2500usb_regbusy_read [2021-11-25 20:17:02,999 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2500usb_regbusy_read [2021-11-25 20:17:02,999 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1519 [2021-11-25 20:17:03,000 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1519 [2021-11-25 20:17:03,000 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00usb_vendor_request [2021-11-25 20:17:03,000 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00usb_vendor_request [2021-11-25 20:17:03,000 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_csr_mutex_of_rt2x00_dev [2021-11-25 20:17:03,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_csr_mutex_of_rt2x00_dev [2021-11-25 20:17:03,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-25 20:17:03,000 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1792 [2021-11-25 20:17:03,000 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1792 [2021-11-25 20:17:03,000 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1434 [2021-11-25 20:17:03,000 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1434 [2021-11-25 20:17:03,000 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1433 [2021-11-25 20:17:03,001 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1433 [2021-11-25 20:17:03,001 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1426 [2021-11-25 20:17:03,001 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1426 [2021-11-25 20:17:03,001 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1425 [2021-11-25 20:17:03,001 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1425 [2021-11-25 20:17:03,001 INFO L130 BoogieDeclarations]: Found specification of procedure rt2500usb_config [2021-11-25 20:17:03,001 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2500usb_config [2021-11-25 20:17:03,001 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_478 [2021-11-25 20:17:03,001 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_478 [2021-11-25 20:17:03,001 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_592 [2021-11-25 20:17:03,002 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_592 [2021-11-25 20:17:03,002 INFO L130 BoogieDeclarations]: Found specification of procedure get_skb_frame_desc [2021-11-25 20:17:03,002 INFO L138 BoogieDeclarations]: Found implementation of procedure get_skb_frame_desc [2021-11-25 20:17:03,002 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_594 [2021-11-25 20:17:03,002 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_594 [2021-11-25 20:17:03,002 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_595 [2021-11-25 20:17:03,002 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_595 [2021-11-25 20:17:03,002 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_474 [2021-11-25 20:17:03,002 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_474 [2021-11-25 20:17:03,002 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-25 20:17:03,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-25 20:17:03,003 INFO L130 BoogieDeclarations]: Found specification of procedure rt2500usb_register_read [2021-11-25 20:17:03,003 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2500usb_register_read [2021-11-25 20:17:03,003 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1302 [2021-11-25 20:17:03,003 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1302 [2021-11-25 20:17:03,003 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1417 [2021-11-25 20:17:03,003 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1417 [2021-11-25 20:17:03,003 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1418 [2021-11-25 20:17:03,003 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1418 [2021-11-25 20:17:03,003 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_368 [2021-11-25 20:17:03,003 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_368 [2021-11-25 20:17:03,004 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00mac_start [2021-11-25 20:17:03,004 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00mac_start [2021-11-25 20:17:03,004 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00_rf_read [2021-11-25 20:17:03,004 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00_rf_read [2021-11-25 20:17:03,004 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00mac_configure_filter [2021-11-25 20:17:03,004 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00mac_configure_filter [2021-11-25 20:17:03,004 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_967 [2021-11-25 20:17:03,004 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_967 [2021-11-25 20:17:03,004 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_846 [2021-11-25 20:17:03,004 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_846 [2021-11-25 20:17:03,005 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00mac_get_antenna [2021-11-25 20:17:03,005 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00mac_get_antenna [2021-11-25 20:17:03,005 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_847 [2021-11-25 20:17:03,005 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_847 [2021-11-25 20:17:03,005 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_726 [2021-11-25 20:17:03,005 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_726 [2021-11-25 20:17:03,005 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_848 [2021-11-25 20:17:03,005 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_848 [2021-11-25 20:17:03,005 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1206 [2021-11-25 20:17:03,005 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1206 [2021-11-25 20:17:03,006 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_730 [2021-11-25 20:17:03,006 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_730 [2021-11-25 20:17:03,006 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_610 [2021-11-25 20:17:03,006 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_610 [2021-11-25 20:17:03,006 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-11-25 20:17:03,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-11-25 20:17:03,006 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00_eeprom_write [2021-11-25 20:17:03,006 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00_eeprom_write [2021-11-25 20:17:03,006 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1442 [2021-11-25 20:17:03,006 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1442 [2021-11-25 20:17:03,006 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_2_4 [2021-11-25 20:17:03,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_2_4 [2021-11-25 20:17:03,007 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1441 [2021-11-25 20:17:03,007 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1441 [2021-11-25 20:17:03,007 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1204 [2021-11-25 20:17:03,007 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1204 [2021-11-25 20:17:03,007 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1203 [2021-11-25 20:17:03,007 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1203 [2021-11-25 20:17:03,007 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_858 [2021-11-25 20:17:03,007 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_858 [2021-11-25 20:17:03,007 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_859 [2021-11-25 20:17:03,008 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_859 [2021-11-25 20:17:03,008 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_865 [2021-11-25 20:17:03,008 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_865 [2021-11-25 20:17:03,008 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_860 [2021-11-25 20:17:03,008 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_860 [2021-11-25 20:17:03,008 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_500 [2021-11-25 20:17:03,008 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_500 [2021-11-25 20:17:03,008 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-25 20:17:03,008 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-25 20:17:03,008 INFO L130 BoogieDeclarations]: Found specification of procedure rt2500usb_write_beacon [2021-11-25 20:17:03,009 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2500usb_write_beacon [2021-11-25 20:17:03,009 INFO L130 BoogieDeclarations]: Found specification of procedure rt2500usb_register_write_lock [2021-11-25 20:17:03,009 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2500usb_register_write_lock [2021-11-25 20:17:03,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-11-25 20:17:03,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-11-25 20:17:03,009 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00mac_set_antenna [2021-11-25 20:17:03,009 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00mac_set_antenna [2021-11-25 20:17:03,009 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_708 [2021-11-25 20:17:03,009 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_708 [2021-11-25 20:17:03,009 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1110 [2021-11-25 20:17:03,010 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1110 [2021-11-25 20:17:03,010 INFO L130 BoogieDeclarations]: Found specification of procedure rt2500usb_init_registers [2021-11-25 20:17:03,010 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2500usb_init_registers [2021-11-25 20:17:03,010 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1358 [2021-11-25 20:17:03,010 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1358 [2021-11-25 20:17:03,010 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_824 [2021-11-25 20:17:03,010 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_824 [2021-11-25 20:17:03,010 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1115 [2021-11-25 20:17:03,010 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1115 [2021-11-25 20:17:03,010 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_825 [2021-11-25 20:17:03,011 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_825 [2021-11-25 20:17:03,011 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1114 [2021-11-25 20:17:03,011 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1114 [2021-11-25 20:17:03,011 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_826 [2021-11-25 20:17:03,011 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_826 [2021-11-25 20:17:03,011 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_827 [2021-11-25 20:17:03,011 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_827 [2021-11-25 20:17:03,011 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1109 [2021-11-25 20:17:03,011 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1109 [2021-11-25 20:17:03,011 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_831 [2021-11-25 20:17:03,011 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_831 [2021-11-25 20:17:03,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 20:17:03,012 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1108 [2021-11-25 20:17:03,012 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1108 [2021-11-25 20:17:03,012 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_832 [2021-11-25 20:17:03,012 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_832 [2021-11-25 20:17:03,012 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1107 [2021-11-25 20:17:03,012 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1107 [2021-11-25 20:17:03,012 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_833 [2021-11-25 20:17:03,012 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_833 [2021-11-25 20:17:03,012 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_834 [2021-11-25 20:17:03,013 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_834 [2021-11-25 20:17:03,013 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-25 20:17:03,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-25 20:17:03,013 INFO L130 BoogieDeclarations]: Found specification of procedure rt2500usb_reset_tuner [2021-11-25 20:17:03,013 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2500usb_reset_tuner [2021-11-25 20:17:03,013 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1464 [2021-11-25 20:17:03,013 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1464 [2021-11-25 20:17:03,013 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1101 [2021-11-25 20:17:03,013 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1101 [2021-11-25 20:17:03,013 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_839 [2021-11-25 20:17:03,013 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_839 [2021-11-25 20:17:03,014 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_718 [2021-11-25 20:17:03,014 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_718 [2021-11-25 20:17:03,014 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1100 [2021-11-25 20:17:03,014 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1100 [2021-11-25 20:17:03,014 INFO L130 BoogieDeclarations]: Found specification of procedure rt2500usb_register_read_lock [2021-11-25 20:17:03,014 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2500usb_register_read_lock [2021-11-25 20:17:03,014 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1103 [2021-11-25 20:17:03,014 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1103 [2021-11-25 20:17:03,014 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1102 [2021-11-25 20:17:03,014 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1102 [2021-11-25 20:17:03,015 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_838 [2021-11-25 20:17:03,015 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_838 [2021-11-25 20:17:03,015 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_722 [2021-11-25 20:17:03,015 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_722 [2021-11-25 20:17:03,015 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_966 [2021-11-25 20:17:03,015 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_966 [2021-11-25 20:17:03,015 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_845 [2021-11-25 20:17:03,015 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_845 [2021-11-25 20:17:03,015 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_840 [2021-11-25 20:17:03,015 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_840 [2021-11-25 20:17:03,015 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_841 [2021-11-25 20:17:03,016 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_841 [2021-11-25 20:17:03,016 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00mac_get_ringparam [2021-11-25 20:17:03,016 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00mac_get_ringparam [2021-11-25 20:17:03,016 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00mac_sw_scan_complete [2021-11-25 20:17:03,016 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00mac_sw_scan_complete [2021-11-25 20:17:03,016 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1376 [2021-11-25 20:17:03,016 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1376 [2021-11-25 20:17:03,016 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1375 [2021-11-25 20:17:03,016 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1375 [2021-11-25 20:17:03,016 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1374 [2021-11-25 20:17:03,017 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1374 [2021-11-25 20:17:03,017 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1017 [2021-11-25 20:17:03,017 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1017 [2021-11-25 20:17:03,017 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1016 [2021-11-25 20:17:03,017 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1016 [2021-11-25 20:17:03,017 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_407 [2021-11-25 20:17:03,017 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_407 [2021-11-25 20:17:03,017 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_408 [2021-11-25 20:17:03,017 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_408 [2021-11-25 20:17:03,017 INFO L130 BoogieDeclarations]: Found specification of procedure rt2500usb_write_tx_desc [2021-11-25 20:17:03,018 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2500usb_write_tx_desc [2021-11-25 20:17:03,018 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_776 [2021-11-25 20:17:03,018 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_776 [2021-11-25 20:17:03,018 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_898 [2021-11-25 20:17:03,018 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_898 [2021-11-25 20:17:03,018 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_777 [2021-11-25 20:17:03,018 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_777 [2021-11-25 20:17:03,018 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_656 [2021-11-25 20:17:03,018 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_656 [2021-11-25 20:17:03,018 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_415 [2021-11-25 20:17:03,018 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_415 [2021-11-25 20:17:03,019 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_658 [2021-11-25 20:17:03,019 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_658 [2021-11-25 20:17:03,019 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_894 [2021-11-25 20:17:03,019 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_894 [2021-11-25 20:17:03,019 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_410 [2021-11-25 20:17:03,019 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_410 [2021-11-25 20:17:03,019 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_775 [2021-11-25 20:17:03,019 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_775 [2021-11-25 20:17:03,019 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_890 [2021-11-25 20:17:03,019 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_890 [2021-11-25 20:17:03,020 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_770 [2021-11-25 20:17:03,020 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_770 [2021-11-25 20:17:03,020 INFO L130 BoogieDeclarations]: Found specification of procedure __set_bit [2021-11-25 20:17:03,020 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_bit [2021-11-25 20:17:03,020 INFO L130 BoogieDeclarations]: Found specification of procedure rt2500usb_config_erp [2021-11-25 20:17:03,020 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2500usb_config_erp [2021-11-25 20:17:03,020 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00_desc_read [2021-11-25 20:17:03,020 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00_desc_read [2021-11-25 20:17:03,020 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-11-25 20:17:03,020 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-11-25 20:17:03,020 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1360 [2021-11-25 20:17:03,021 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1360 [2021-11-25 20:17:03,021 INFO L130 BoogieDeclarations]: Found specification of procedure rt2500usb_enable_radio [2021-11-25 20:17:03,021 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2500usb_enable_radio [2021-11-25 20:17:03,021 INFO L130 BoogieDeclarations]: Found specification of procedure rt2500usb_rfkill_poll [2021-11-25 20:17:03,021 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2500usb_rfkill_poll [2021-11-25 20:17:03,021 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1365 [2021-11-25 20:17:03,021 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1365 [2021-11-25 20:17:03,021 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1364 [2021-11-25 20:17:03,021 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1364 [2021-11-25 20:17:03,021 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1362 [2021-11-25 20:17:03,022 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1362 [2021-11-25 20:17:03,022 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1489 [2021-11-25 20:17:03,022 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1489 [2021-11-25 20:17:03,022 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1367 [2021-11-25 20:17:03,022 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1367 [2021-11-25 20:17:03,022 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1487 [2021-11-25 20:17:03,022 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1487 [2021-11-25 20:17:03,022 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1366 [2021-11-25 20:17:03,022 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1366 [2021-11-25 20:17:03,022 INFO L130 BoogieDeclarations]: Found specification of procedure rt2500usb_config_intf [2021-11-25 20:17:03,023 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2500usb_config_intf [2021-11-25 20:17:03,023 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1119 [2021-11-25 20:17:03,023 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1119 [2021-11-25 20:17:03,023 INFO L130 BoogieDeclarations]: Found specification of procedure rt2500usb_bbp_read [2021-11-25 20:17:03,023 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2500usb_bbp_read [2021-11-25 20:17:03,023 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_668 [2021-11-25 20:17:03,023 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_668 [2021-11-25 20:17:03,023 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_547 [2021-11-25 20:17:03,023 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_547 [2021-11-25 20:17:03,023 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1117 [2021-11-25 20:17:03,024 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1117 [2021-11-25 20:17:03,024 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_548 [2021-11-25 20:17:03,024 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_548 [2021-11-25 20:17:03,024 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_664 [2021-11-25 20:17:03,024 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_664 [2021-11-25 20:17:03,024 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-25 20:17:03,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-25 20:17:03,024 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_661 [2021-11-25 20:17:03,024 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_661 [2021-11-25 20:17:03,024 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1031 [2021-11-25 20:17:03,024 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1031 [2021-11-25 20:17:03,025 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1030 [2021-11-25 20:17:03,025 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1030 [2021-11-25 20:17:03,025 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1392 [2021-11-25 20:17:03,025 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1392 [2021-11-25 20:17:03,025 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1270 [2021-11-25 20:17:03,025 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1270 [2021-11-25 20:17:03,025 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1155 [2021-11-25 20:17:03,025 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1155 [2021-11-25 20:17:03,025 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_868 [2021-11-25 20:17:03,025 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_868 [2021-11-25 20:17:03,026 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_747 [2021-11-25 20:17:03,026 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_747 [2021-11-25 20:17:03,026 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_869 [2021-11-25 20:17:03,026 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_869 [2021-11-25 20:17:03,026 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_754 [2021-11-25 20:17:03,026 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_754 [2021-11-25 20:17:03,026 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_752 [2021-11-25 20:17:03,026 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_752 [2021-11-25 20:17:03,026 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_753 [2021-11-25 20:17:03,026 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_753 [2021-11-25 20:17:03,027 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_511 [2021-11-25 20:17:03,027 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_511 [2021-11-25 20:17:03,027 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1020 [2021-11-25 20:17:03,027 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1020 [2021-11-25 20:17:03,027 INFO L130 BoogieDeclarations]: Found specification of procedure rt2500usb_rf_write [2021-11-25 20:17:03,027 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2500usb_rf_write [2021-11-25 20:17:03,027 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1266 [2021-11-25 20:17:03,027 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1266 [2021-11-25 20:17:03,027 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1264 [2021-11-25 20:17:03,027 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1264 [2021-11-25 20:17:03,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 20:17:03,028 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1384 [2021-11-25 20:17:03,028 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1384 [2021-11-25 20:17:03,028 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1269 [2021-11-25 20:17:03,028 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1269 [2021-11-25 20:17:03,028 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_886 [2021-11-25 20:17:03,028 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_886 [2021-11-25 20:17:03,028 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1018 [2021-11-25 20:17:03,028 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1018 [2021-11-25 20:17:03,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-25 20:17:03,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-25 20:17:03,029 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_rt2500usb_driver_exit_6_2 [2021-11-25 20:17:03,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_rt2500usb_driver_exit_6_2 [2021-11-25 20:17:03,029 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_641 [2021-11-25 20:17:03,029 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_641 [2021-11-25 20:17:03,029 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_884 [2021-11-25 20:17:03,029 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_884 [2021-11-25 20:17:03,029 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00_eeprom_read [2021-11-25 20:17:03,029 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00_eeprom_read [2021-11-25 20:17:03,029 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_885 [2021-11-25 20:17:03,030 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_885 [2021-11-25 20:17:03,030 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00usb_vendor_request_buff [2021-11-25 20:17:03,030 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00usb_vendor_request_buff [2021-11-25 20:17:03,030 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_880 [2021-11-25 20:17:03,030 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_880 [2021-11-25 20:17:04,311 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 20:17:04,319 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 20:17:05,617 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-25 20:17:24,510 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-25 20:17:24,710 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 20:17:25,896 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 20:17:25,896 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-25 20:17:25,906 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:17:25 BoogieIcfgContainer [2021-11-25 20:17:25,907 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 20:17:25,909 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 20:17:25,909 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 20:17:25,913 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 20:17:25,913 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 08:16:55" (1/3) ... [2021-11-25 20:17:25,914 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2aba6763 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:17:25, skipping insertion in model container [2021-11-25 20:17:25,914 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:17:01" (2/3) ... [2021-11-25 20:17:25,914 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2aba6763 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:17:25, skipping insertion in model container [2021-11-25 20:17:25,914 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:17:25" (3/3) ... [2021-11-25 20:17:25,916 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rt2x00-rt2500usb.cil.i [2021-11-25 20:17:25,921 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 20:17:25,921 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-25 20:17:25,981 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 20:17:25,987 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 [2021-11-25 20:17:25,987 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-25 20:17:26,090 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) [2021-11-25 20:17:26,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 642 [2021-11-25 20:17:26,138 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:17:26,140 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] [2021-11-25 20:17:26,140 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)] === [2021-11-25 20:17:26,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:17:26,146 INFO L85 PathProgramCache]: Analyzing trace with hash 1656102004, now seen corresponding path program 1 times [2021-11-25 20:17:26,155 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:17:26,155 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831361930] [2021-11-25 20:17:26,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:17:26,156 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:17:26,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:17:27,651 INFO L134 CoverageAnalysis]: Checked inductivity of 15252 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15252 trivial. 0 not checked. [2021-11-25 20:17:27,658 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:17:27,658 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831361930] [2021-11-25 20:17:27,659 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [831361930] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:17:27,659 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:17:27,660 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 20:17:27,661 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317610636] [2021-11-25 20:17:27,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:17:27,680 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 20:17:27,681 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:17:27,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 20:17:27,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:17:27,719 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) [2021-11-25 20:17:30,203 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 20:17:35,084 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:17:35,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:17:35,630 INFO L93 Difference]: Finished difference Result 10185 states and 15034 transitions. [2021-11-25 20:17:35,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 20:17:35,633 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 [2021-11-25 20:17:35,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:17:35,720 INFO L225 Difference]: With dead ends: 10185 [2021-11-25 20:17:35,720 INFO L226 Difference]: Without dead ends: 6799 [2021-11-25 20:17:35,762 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 [2021-11-25 20:17:35,768 INFO L933 BasicCegarLoop]: 5730 mSDtfsCounter, 4837 mSDsluCounter, 5052 mSDsCounter, 0 mSdLazyCounter, 742 mSolverCounterSat, 7 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s 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, 7.4s IncrementalHoareTripleChecker+Time [2021-11-25 20:17:35,770 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4843 Valid, 10430 Invalid, 751 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 742 Invalid, 2 Unknown, 0 Unchecked, 7.4s Time] [2021-11-25 20:17:35,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6799 states. [2021-11-25 20:17:36,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6799 to 6792. [2021-11-25 20:17:36,234 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) [2021-11-25 20:17:36,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6792 states to 6792 states and 9896 transitions. [2021-11-25 20:17:36,314 INFO L78 Accepts]: Start accepts. Automaton has 6792 states and 9896 transitions. Word has length 641 [2021-11-25 20:17:36,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:17:36,319 INFO L470 AbstractCegarLoop]: Abstraction has 6792 states and 9896 transitions. [2021-11-25 20:17:36,319 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) [2021-11-25 20:17:36,320 INFO L276 IsEmpty]: Start isEmpty. Operand 6792 states and 9896 transitions. [2021-11-25 20:17:36,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 665 [2021-11-25 20:17:36,348 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:17:36,349 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] [2021-11-25 20:17:36,349 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 20:17:36,350 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)] === [2021-11-25 20:17:36,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:17:36,352 INFO L85 PathProgramCache]: Analyzing trace with hash 490185494, now seen corresponding path program 1 times [2021-11-25 20:17:36,353 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:17:36,353 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067325886] [2021-11-25 20:17:36,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:17:36,357 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:17:36,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:17:37,165 INFO L134 CoverageAnalysis]: Checked inductivity of 15254 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15254 trivial. 0 not checked. [2021-11-25 20:17:37,165 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:17:37,166 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067325886] [2021-11-25 20:17:37,166 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1067325886] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:17:37,167 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:17:37,167 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 20:17:37,167 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902721270] [2021-11-25 20:17:37,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:17:37,170 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 20:17:37,171 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:17:37,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 20:17:37,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:17:37,172 INFO L87 Difference]: Start difference. First operand 6792 states and 9896 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) [2021-11-25 20:17:39,563 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 20:17:44,567 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:17:45,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:17:45,199 INFO L93 Difference]: Finished difference Result 16449 states and 23889 transitions. [2021-11-25 20:17:45,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 20:17:45,200 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 [2021-11-25 20:17:45,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:17:45,286 INFO L225 Difference]: With dead ends: 16449 [2021-11-25 20:17:45,286 INFO L226 Difference]: Without dead ends: 9782 [2021-11-25 20:17:45,332 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 [2021-11-25 20:17:45,333 INFO L933 BasicCegarLoop]: 5649 mSDtfsCounter, 4548 mSDsluCounter, 4912 mSDsCounter, 0 mSdLazyCounter, 840 mSolverCounterSat, 15 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4552 SdHoareTripleChecker+Valid, 10262 SdHoareTripleChecker+Invalid, 857 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 840 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2021-11-25 20:17:45,334 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4552 Valid, 10262 Invalid, 857 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 840 Invalid, 2 Unknown, 0 Unchecked, 7.5s Time] [2021-11-25 20:17:45,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9782 states. [2021-11-25 20:17:45,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9782 to 9760. [2021-11-25 20:17:45,889 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) [2021-11-25 20:17:45,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9760 states to 9760 states and 14132 transitions. [2021-11-25 20:17:45,951 INFO L78 Accepts]: Start accepts. Automaton has 9760 states and 14132 transitions. Word has length 664 [2021-11-25 20:17:45,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:17:45,954 INFO L470 AbstractCegarLoop]: Abstraction has 9760 states and 14132 transitions. [2021-11-25 20:17:45,955 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) [2021-11-25 20:17:45,955 INFO L276 IsEmpty]: Start isEmpty. Operand 9760 states and 14132 transitions. [2021-11-25 20:17:45,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 666 [2021-11-25 20:17:45,978 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:17:45,979 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] [2021-11-25 20:17:45,979 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-25 20:17:45,979 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)] === [2021-11-25 20:17:45,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:17:45,980 INFO L85 PathProgramCache]: Analyzing trace with hash 1633275302, now seen corresponding path program 1 times [2021-11-25 20:17:45,980 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:17:45,981 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527206110] [2021-11-25 20:17:45,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:17:45,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:17:46,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:17:46,914 INFO L134 CoverageAnalysis]: Checked inductivity of 15254 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15254 trivial. 0 not checked. [2021-11-25 20:17:46,915 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:17:46,915 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [527206110] [2021-11-25 20:17:46,915 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [527206110] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:17:46,915 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:17:46,916 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 20:17:46,916 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383273006] [2021-11-25 20:17:46,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:17:46,918 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 20:17:46,918 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:17:46,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 20:17:46,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:17:46,920 INFO L87 Difference]: Start difference. First operand 9760 states and 14132 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) [2021-11-25 20:17:49,081 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 20:17:54,657 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:17:54,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:17:54,978 INFO L93 Difference]: Finished difference Result 21043 states and 30418 transitions. [2021-11-25 20:17:54,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 20:17:54,979 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 [2021-11-25 20:17:54,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:17:55,063 INFO L225 Difference]: With dead ends: 21043 [2021-11-25 20:17:55,063 INFO L226 Difference]: Without dead ends: 11408 [2021-11-25 20:17:55,234 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 [2021-11-25 20:17:55,249 INFO L933 BasicCegarLoop]: 7386 mSDtfsCounter, 4547 mSDsluCounter, 4912 mSDsCounter, 0 mSdLazyCounter, 1029 mSolverCounterSat, 15 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4551 SdHoareTripleChecker+Valid, 12000 SdHoareTripleChecker+Invalid, 1046 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1029 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2021-11-25 20:17:55,249 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4551 Valid, 12000 Invalid, 1046 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 1029 Invalid, 2 Unknown, 0 Unchecked, 7.7s Time] [2021-11-25 20:17:55,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11408 states. [2021-11-25 20:17:55,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11408 to 11386. [2021-11-25 20:17:55,690 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) [2021-11-25 20:17:55,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11386 states to 11386 states and 16412 transitions. [2021-11-25 20:17:55,752 INFO L78 Accepts]: Start accepts. Automaton has 11386 states and 16412 transitions. Word has length 665 [2021-11-25 20:17:55,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:17:55,755 INFO L470 AbstractCegarLoop]: Abstraction has 11386 states and 16412 transitions. [2021-11-25 20:17:55,755 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) [2021-11-25 20:17:55,755 INFO L276 IsEmpty]: Start isEmpty. Operand 11386 states and 16412 transitions. [2021-11-25 20:17:55,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 683 [2021-11-25 20:17:55,779 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:17:55,780 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] [2021-11-25 20:17:55,780 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-25 20:17:55,781 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)] === [2021-11-25 20:17:55,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:17:55,781 INFO L85 PathProgramCache]: Analyzing trace with hash 499442137, now seen corresponding path program 1 times [2021-11-25 20:17:55,782 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:17:55,782 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37031836] [2021-11-25 20:17:55,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:17:55,782 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:17:56,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:17:57,036 INFO L134 CoverageAnalysis]: Checked inductivity of 15264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15264 trivial. 0 not checked. [2021-11-25 20:17:57,037 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:17:57,037 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37031836] [2021-11-25 20:17:57,037 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [37031836] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:17:57,037 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:17:57,038 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 20:17:57,038 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15559349] [2021-11-25 20:17:57,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:17:57,039 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 20:17:57,039 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:17:57,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 20:17:57,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:17:57,040 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) [2021-11-25 20:17:59,255 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 20:18:03,843 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:18:04,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:18:04,229 INFO L93 Difference]: Finished difference Result 32325 states and 46623 transitions. [2021-11-25 20:18:04,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 20:18:04,230 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 [2021-11-25 20:18:04,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:18:04,334 INFO L225 Difference]: With dead ends: 32325 [2021-11-25 20:18:04,334 INFO L226 Difference]: Without dead ends: 21064 [2021-11-25 20:18:04,371 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 [2021-11-25 20:18:04,372 INFO L933 BasicCegarLoop]: 6351 mSDtfsCounter, 4776 mSDsluCounter, 5040 mSDsCounter, 0 mSdLazyCounter, 811 mSolverCounterSat, 16 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s 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, 6.7s IncrementalHoareTripleChecker+Time [2021-11-25 20:18:04,373 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4782 Valid, 11042 Invalid, 829 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 811 Invalid, 2 Unknown, 0 Unchecked, 6.7s Time] [2021-11-25 20:18:04,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21064 states. [2021-11-25 20:18:05,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21064 to 21034. [2021-11-25 20:18:05,309 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) [2021-11-25 20:18:05,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21034 states to 21034 states and 30313 transitions. [2021-11-25 20:18:05,413 INFO L78 Accepts]: Start accepts. Automaton has 21034 states and 30313 transitions. Word has length 682 [2021-11-25 20:18:05,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:18:05,414 INFO L470 AbstractCegarLoop]: Abstraction has 21034 states and 30313 transitions. [2021-11-25 20:18:05,415 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) [2021-11-25 20:18:05,415 INFO L276 IsEmpty]: Start isEmpty. Operand 21034 states and 30313 transitions. [2021-11-25 20:18:05,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 684 [2021-11-25 20:18:05,424 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:18:05,424 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] [2021-11-25 20:18:05,424 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-25 20:18:05,425 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)] === [2021-11-25 20:18:05,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:18:05,426 INFO L85 PathProgramCache]: Analyzing trace with hash -1613392270, now seen corresponding path program 1 times [2021-11-25 20:18:05,426 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:18:05,426 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557456] [2021-11-25 20:18:05,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:18:05,427 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:18:06,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:18:06,707 INFO L134 CoverageAnalysis]: Checked inductivity of 15663 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15663 trivial. 0 not checked. [2021-11-25 20:18:06,707 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:18:06,708 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557456] [2021-11-25 20:18:06,708 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [557456] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:18:06,708 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:18:06,708 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 20:18:06,709 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846782068] [2021-11-25 20:18:06,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:18:06,710 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 20:18:06,710 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:18:06,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 20:18:06,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-25 20:18:06,711 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) [2021-11-25 20:18:08,912 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 20:18:14,604 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:18:15,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:18:15,003 INFO L93 Difference]: Finished difference Result 21064 states and 30330 transitions. [2021-11-25 20:18:15,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-25 20:18:15,013 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 [2021-11-25 20:18:15,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:18:15,167 INFO L225 Difference]: With dead ends: 21064 [2021-11-25 20:18:15,167 INFO L226 Difference]: Without dead ends: 21062 [2021-11-25 20:18:15,174 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 [2021-11-25 20:18:15,175 INFO L933 BasicCegarLoop]: 4713 mSDtfsCounter, 4671 mSDsluCounter, 10403 mSDsCounter, 0 mSdLazyCounter, 1112 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s 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, 7.8s IncrementalHoareTripleChecker+Time [2021-11-25 20:18:15,175 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4680 Valid, 14379 Invalid, 1116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1112 Invalid, 2 Unknown, 0 Unchecked, 7.8s Time] [2021-11-25 20:18:15,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21062 states. [2021-11-25 20:18:15,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21062 to 21062. [2021-11-25 20:18:15,986 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) [2021-11-25 20:18:16,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21062 states to 21062 states and 30328 transitions. [2021-11-25 20:18:16,079 INFO L78 Accepts]: Start accepts. Automaton has 21062 states and 30328 transitions. Word has length 683 [2021-11-25 20:18:16,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:18:16,080 INFO L470 AbstractCegarLoop]: Abstraction has 21062 states and 30328 transitions. [2021-11-25 20:18:16,081 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) [2021-11-25 20:18:16,081 INFO L276 IsEmpty]: Start isEmpty. Operand 21062 states and 30328 transitions. [2021-11-25 20:18:16,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 689 [2021-11-25 20:18:16,090 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:18:16,090 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] [2021-11-25 20:18:16,090 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-25 20:18:16,091 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)] === [2021-11-25 20:18:16,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:18:16,092 INFO L85 PathProgramCache]: Analyzing trace with hash -1061813430, now seen corresponding path program 1 times [2021-11-25 20:18:16,092 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:18:16,092 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58236832] [2021-11-25 20:18:16,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:18:16,093 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:18:16,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:18:17,188 INFO L134 CoverageAnalysis]: Checked inductivity of 15665 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 15663 trivial. 0 not checked. [2021-11-25 20:18:17,189 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:18:17,189 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58236832] [2021-11-25 20:18:17,189 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [58236832] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:18:17,189 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:18:17,190 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 20:18:17,190 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692477009] [2021-11-25 20:18:17,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:18:17,191 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 20:18:17,191 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:18:17,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 20:18:17,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-25 20:18:17,192 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) [2021-11-25 20:18:19,376 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 20:18:24,815 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:18:25,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:18:25,172 INFO L93 Difference]: Finished difference Result 21068 states and 30333 transitions. [2021-11-25 20:18:25,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-25 20:18:25,173 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 [2021-11-25 20:18:25,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:18:25,252 INFO L225 Difference]: With dead ends: 21068 [2021-11-25 20:18:25,252 INFO L226 Difference]: Without dead ends: 21066 [2021-11-25 20:18:25,258 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 [2021-11-25 20:18:25,259 INFO L933 BasicCegarLoop]: 4716 mSDtfsCounter, 4922 mSDsluCounter, 10145 mSDsCounter, 0 mSdLazyCounter, 1097 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s 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, 7.5s IncrementalHoareTripleChecker+Time [2021-11-25 20:18:25,260 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4930 Valid, 14137 Invalid, 1100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1097 Invalid, 2 Unknown, 0 Unchecked, 7.5s Time] [2021-11-25 20:18:25,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21066 states. [2021-11-25 20:18:25,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21066 to 21066. [2021-11-25 20:18:26,023 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) [2021-11-25 20:18:26,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21066 states to 21066 states and 30331 transitions. [2021-11-25 20:18:26,260 INFO L78 Accepts]: Start accepts. Automaton has 21066 states and 30331 transitions. Word has length 688 [2021-11-25 20:18:26,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:18:26,262 INFO L470 AbstractCegarLoop]: Abstraction has 21066 states and 30331 transitions. [2021-11-25 20:18:26,263 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) [2021-11-25 20:18:26,263 INFO L276 IsEmpty]: Start isEmpty. Operand 21066 states and 30331 transitions. [2021-11-25 20:18:26,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 694 [2021-11-25 20:18:26,281 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:18:26,296 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] [2021-11-25 20:18:26,297 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-25 20:18:26,297 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)] === [2021-11-25 20:18:26,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:18:26,298 INFO L85 PathProgramCache]: Analyzing trace with hash -403901134, now seen corresponding path program 1 times [2021-11-25 20:18:26,298 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:18:26,298 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750472006] [2021-11-25 20:18:26,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:18:26,299 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:18:26,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:18:27,213 INFO L134 CoverageAnalysis]: Checked inductivity of 15671 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 15667 trivial. 0 not checked. [2021-11-25 20:18:27,213 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:18:27,213 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750472006] [2021-11-25 20:18:27,214 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1750472006] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:18:27,214 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:18:27,214 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 20:18:27,214 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1565817776] [2021-11-25 20:18:27,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:18:27,215 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 20:18:27,216 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:18:27,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 20:18:27,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-25 20:18:27,217 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) [2021-11-25 20:18:29,404 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 20:18:35,317 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:18:35,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:18:35,704 INFO L93 Difference]: Finished difference Result 21072 states and 30336 transitions. [2021-11-25 20:18:35,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-25 20:18:35,705 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 [2021-11-25 20:18:35,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:18:35,786 INFO L225 Difference]: With dead ends: 21072 [2021-11-25 20:18:35,787 INFO L226 Difference]: Without dead ends: 21068 [2021-11-25 20:18:35,795 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 [2021-11-25 20:18:35,796 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, 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, 8.0s IncrementalHoareTripleChecker+Time [2021-11-25 20:18:35,797 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4929 Valid, 14137 Invalid, 1100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1097 Invalid, 2 Unknown, 0 Unchecked, 8.0s Time] [2021-11-25 20:18:35,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21068 states. [2021-11-25 20:18:36,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21068 to 21068. [2021-11-25 20:18:36,785 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) [2021-11-25 20:18:36,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21068 states to 21068 states and 30332 transitions. [2021-11-25 20:18:36,885 INFO L78 Accepts]: Start accepts. Automaton has 21068 states and 30332 transitions. Word has length 693 [2021-11-25 20:18:36,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:18:36,887 INFO L470 AbstractCegarLoop]: Abstraction has 21068 states and 30332 transitions. [2021-11-25 20:18:36,887 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) [2021-11-25 20:18:36,887 INFO L276 IsEmpty]: Start isEmpty. Operand 21068 states and 30332 transitions. [2021-11-25 20:18:36,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 703 [2021-11-25 20:18:36,897 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:18:36,898 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] [2021-11-25 20:18:36,898 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-25 20:18:36,898 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)] === [2021-11-25 20:18:36,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:18:36,900 INFO L85 PathProgramCache]: Analyzing trace with hash 752916749, now seen corresponding path program 1 times [2021-11-25 20:18:36,900 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:18:36,900 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652162838] [2021-11-25 20:18:36,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:18:36,901 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:18:37,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:18:37,857 INFO L134 CoverageAnalysis]: Checked inductivity of 15689 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 15683 trivial. 0 not checked. [2021-11-25 20:18:37,857 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:18:37,858 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652162838] [2021-11-25 20:18:37,858 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [652162838] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:18:37,858 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:18:37,858 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 20:18:37,858 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298959186] [2021-11-25 20:18:37,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:18:37,859 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 20:18:37,860 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:18:37,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 20:18:37,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-25 20:18:37,861 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) [2021-11-25 20:18:43,938 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:18:44,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:18:44,266 INFO L93 Difference]: Finished difference Result 21068 states and 30332 transitions. [2021-11-25 20:18:44,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-25 20:18:44,266 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 [2021-11-25 20:18:44,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:18:44,438 INFO L225 Difference]: With dead ends: 21068 [2021-11-25 20:18:44,438 INFO L226 Difference]: Without dead ends: 20973 [2021-11-25 20:18:44,446 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 [2021-11-25 20:18:44,447 INFO L933 BasicCegarLoop]: 4714 mSDtfsCounter, 4921 mSDsluCounter, 10146 mSDsCounter, 0 mSdLazyCounter, 1095 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4924 SdHoareTripleChecker+Valid, 14134 SdHoareTripleChecker+Invalid, 1097 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1095 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2021-11-25 20:18:44,447 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4924 Valid, 14134 Invalid, 1097 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1095 Invalid, 1 Unknown, 0 Unchecked, 5.9s Time] [2021-11-25 20:18:44,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20973 states. [2021-11-25 20:18:45,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20973 to 20973. [2021-11-25 20:18:45,263 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) [2021-11-25 20:18:45,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20973 states to 20973 states and 30174 transitions. [2021-11-25 20:18:45,363 INFO L78 Accepts]: Start accepts. Automaton has 20973 states and 30174 transitions. Word has length 702 [2021-11-25 20:18:45,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:18:45,365 INFO L470 AbstractCegarLoop]: Abstraction has 20973 states and 30174 transitions. [2021-11-25 20:18:45,365 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) [2021-11-25 20:18:45,365 INFO L276 IsEmpty]: Start isEmpty. Operand 20973 states and 30174 transitions. [2021-11-25 20:18:45,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 700 [2021-11-25 20:18:45,375 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:18:45,375 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] [2021-11-25 20:18:45,375 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-25 20:18:45,376 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)] === [2021-11-25 20:18:45,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:18:45,376 INFO L85 PathProgramCache]: Analyzing trace with hash -615976777, now seen corresponding path program 1 times [2021-11-25 20:18:45,377 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:18:45,377 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977894422] [2021-11-25 20:18:45,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:18:45,377 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:18:46,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:18:46,464 INFO L134 CoverageAnalysis]: Checked inductivity of 15396 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 15390 trivial. 0 not checked. [2021-11-25 20:18:46,464 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:18:46,465 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977894422] [2021-11-25 20:18:46,465 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [977894422] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:18:46,465 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:18:46,465 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 20:18:46,465 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999973507] [2021-11-25 20:18:46,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:18:46,467 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 20:18:46,467 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:18:46,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 20:18:46,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-11-25 20:18:46,469 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) [2021-11-25 20:18:49,428 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 20:19:05,403 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:19:09,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:19:09,352 INFO L93 Difference]: Finished difference Result 70624 states and 101665 transitions. [2021-11-25 20:19:09,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 20:19:09,353 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 [2021-11-25 20:19:09,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:19:09,594 INFO L225 Difference]: With dead ends: 70624 [2021-11-25 20:19:09,595 INFO L226 Difference]: Without dead ends: 49776 [2021-11-25 20:19:09,822 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 [2021-11-25 20:19:09,825 INFO L933 BasicCegarLoop]: 12526 mSDtfsCounter, 9505 mSDsluCounter, 17025 mSDsCounter, 0 mSdLazyCounter, 8692 mSolverCounterSat, 1011 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.1s 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, 21.1s IncrementalHoareTripleChecker+Time [2021-11-25 20:19:09,825 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9677 Valid, 28024 Invalid, 9705 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1011 Valid, 8692 Invalid, 2 Unknown, 0 Unchecked, 21.1s Time] [2021-11-25 20:19:09,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49776 states. [2021-11-25 20:19:11,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49776 to 49736. [2021-11-25 20:19:11,795 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) [2021-11-25 20:19:11,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49736 states to 49736 states and 71619 transitions. [2021-11-25 20:19:11,987 INFO L78 Accepts]: Start accepts. Automaton has 49736 states and 71619 transitions. Word has length 699 [2021-11-25 20:19:11,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:19:11,988 INFO L470 AbstractCegarLoop]: Abstraction has 49736 states and 71619 transitions. [2021-11-25 20:19:11,988 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) [2021-11-25 20:19:11,989 INFO L276 IsEmpty]: Start isEmpty. Operand 49736 states and 71619 transitions. [2021-11-25 20:19:12,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 722 [2021-11-25 20:19:12,007 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:19:12,007 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] [2021-11-25 20:19:12,008 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-25 20:19:12,008 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)] === [2021-11-25 20:19:12,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:19:12,009 INFO L85 PathProgramCache]: Analyzing trace with hash 1372358866, now seen corresponding path program 1 times [2021-11-25 20:19:12,009 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:19:12,009 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449549577] [2021-11-25 20:19:12,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:19:12,010 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:19:12,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:19:12,908 INFO L134 CoverageAnalysis]: Checked inductivity of 15802 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 15795 trivial. 0 not checked. [2021-11-25 20:19:12,908 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:19:12,909 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449549577] [2021-11-25 20:19:12,909 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1449549577] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:19:12,909 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:19:12,909 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 20:19:12,909 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016427593] [2021-11-25 20:19:12,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:19:12,911 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 20:19:12,911 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:19:12,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 20:19:12,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:19:12,912 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) [2021-11-25 20:19:15,155 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 20:19:21,523 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:19:22,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:19:22,599 INFO L93 Difference]: Finished difference Result 116737 states and 168068 transitions. [2021-11-25 20:19:22,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 20:19:22,600 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 [2021-11-25 20:19:22,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:19:23,161 INFO L225 Difference]: With dead ends: 116737 [2021-11-25 20:19:23,161 INFO L226 Difference]: Without dead ends: 67183 [2021-11-25 20:19:23,323 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 [2021-11-25 20:19:23,324 INFO L933 BasicCegarLoop]: 6356 mSDtfsCounter, 4516 mSDsluCounter, 4878 mSDsCounter, 0 mSdLazyCounter, 916 mSolverCounterSat, 12 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4520 SdHoareTripleChecker+Valid, 10937 SdHoareTripleChecker+Invalid, 930 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 916 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2021-11-25 20:19:23,325 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4520 Valid, 10937 Invalid, 930 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 916 Invalid, 2 Unknown, 0 Unchecked, 7.2s Time] [2021-11-25 20:19:23,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67183 states. [2021-11-25 20:19:25,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67183 to 67166. [2021-11-25 20:19:26,037 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) [2021-11-25 20:19:26,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67166 states to 67166 states and 96563 transitions. [2021-11-25 20:19:26,384 INFO L78 Accepts]: Start accepts. Automaton has 67166 states and 96563 transitions. Word has length 721 [2021-11-25 20:19:26,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:19:26,385 INFO L470 AbstractCegarLoop]: Abstraction has 67166 states and 96563 transitions. [2021-11-25 20:19:26,386 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) [2021-11-25 20:19:26,386 INFO L276 IsEmpty]: Start isEmpty. Operand 67166 states and 96563 transitions. [2021-11-25 20:19:26,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 723 [2021-11-25 20:19:26,406 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:19:26,407 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] [2021-11-25 20:19:26,407 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-25 20:19:26,407 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)] === [2021-11-25 20:19:26,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:19:26,408 INFO L85 PathProgramCache]: Analyzing trace with hash -1084121238, now seen corresponding path program 1 times [2021-11-25 20:19:26,408 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:19:26,408 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001989150] [2021-11-25 20:19:26,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:19:26,409 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:19:26,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:19:27,523 INFO L134 CoverageAnalysis]: Checked inductivity of 15802 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 15795 trivial. 0 not checked. [2021-11-25 20:19:27,524 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:19:27,524 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2001989150] [2021-11-25 20:19:27,524 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2001989150] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:19:27,524 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:19:27,524 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 20:19:27,525 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891536905] [2021-11-25 20:19:27,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:19:27,526 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 20:19:27,526 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:19:27,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 20:19:27,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:19:27,527 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) [2021-11-25 20:19:29,716 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 20:19:36,021 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:19:37,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:19:37,357 INFO L93 Difference]: Finished difference Result 153457 states and 220567 transitions. [2021-11-25 20:19:37,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 20:19:37,357 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 [2021-11-25 20:19:37,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:19:37,706 INFO L225 Difference]: With dead ends: 153457 [2021-11-25 20:19:37,706 INFO L226 Difference]: Without dead ends: 86473 [2021-11-25 20:19:37,917 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 [2021-11-25 20:19:37,918 INFO L933 BasicCegarLoop]: 6361 mSDtfsCounter, 4515 mSDsluCounter, 4878 mSDsCounter, 0 mSdLazyCounter, 920 mSolverCounterSat, 12 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4519 SdHoareTripleChecker+Valid, 10943 SdHoareTripleChecker+Invalid, 934 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 920 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2021-11-25 20:19:37,918 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4519 Valid, 10943 Invalid, 934 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 920 Invalid, 2 Unknown, 0 Unchecked, 7.1s Time] [2021-11-25 20:19:38,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86473 states. [2021-11-25 20:19:41,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86473 to 86456. [2021-11-25 20:19:41,434 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) [2021-11-25 20:19:42,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86456 states to 86456 states and 124058 transitions. [2021-11-25 20:19:42,084 INFO L78 Accepts]: Start accepts. Automaton has 86456 states and 124058 transitions. Word has length 722 [2021-11-25 20:19:42,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:19:42,085 INFO L470 AbstractCegarLoop]: Abstraction has 86456 states and 124058 transitions. [2021-11-25 20:19:42,086 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) [2021-11-25 20:19:42,086 INFO L276 IsEmpty]: Start isEmpty. Operand 86456 states and 124058 transitions. [2021-11-25 20:19:42,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 747 [2021-11-25 20:19:42,104 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:19:42,105 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] [2021-11-25 20:19:42,105 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-25 20:19:42,105 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)] === [2021-11-25 20:19:42,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:19:42,106 INFO L85 PathProgramCache]: Analyzing trace with hash 960277586, now seen corresponding path program 1 times [2021-11-25 20:19:42,106 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:19:42,106 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672018816] [2021-11-25 20:19:42,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:19:42,107 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:19:42,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:19:43,008 INFO L134 CoverageAnalysis]: Checked inductivity of 15822 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 15813 trivial. 0 not checked. [2021-11-25 20:19:43,008 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:19:43,008 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672018816] [2021-11-25 20:19:43,009 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [672018816] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:19:43,009 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:19:43,009 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 20:19:43,009 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503806787] [2021-11-25 20:19:43,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:19:43,010 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 20:19:43,011 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:19:43,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 20:19:43,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:19:43,011 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) [2021-11-25 20:19:45,244 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-25 20:19:52,783 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:19:55,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:19:55,122 INFO L93 Difference]: Finished difference Result 204819 states and 294049 transitions. [2021-11-25 20:19:55,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 20:19:55,125 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 [2021-11-25 20:19:55,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:19:55,587 INFO L225 Difference]: With dead ends: 204819 [2021-11-25 20:19:55,587 INFO L226 Difference]: Without dead ends: 118545 [2021-11-25 20:19:55,808 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 [2021-11-25 20:19:55,809 INFO L933 BasicCegarLoop]: 9092 mSDtfsCounter, 4757 mSDsluCounter, 4992 mSDsCounter, 0 mSdLazyCounter, 1090 mSolverCounterSat, 10 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4763 SdHoareTripleChecker+Valid, 13739 SdHoareTripleChecker+Invalid, 1102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 1090 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2021-11-25 20:19:55,809 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4763 Valid, 13739 Invalid, 1102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 1090 Invalid, 2 Unknown, 0 Unchecked, 8.2s Time] [2021-11-25 20:19:55,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118545 states.