./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 aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fc70a7-88e0-4fc5-80c6-982b6396ee19/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fc70a7-88e0-4fc5-80c6-982b6396ee19/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fc70a7-88e0-4fc5-80c6-982b6396ee19/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fc70a7-88e0-4fc5-80c6-982b6396ee19/bin/utaipan-EQgc7hIp5V/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_20fc70a7-88e0-4fc5-80c6-982b6396ee19/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fc70a7-88e0-4fc5-80c6-982b6396ee19/bin/utaipan-EQgc7hIp5V --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 2780fc0b078cd95366c58e63c05c4168e73cfd193d5f7dd189d6eaa3d38deb42 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:51:42,498 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:51:42,501 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:51:42,565 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:51:42,566 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:51:42,571 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:51:42,573 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:51:42,578 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:51:42,581 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:51:42,588 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:51:42,590 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:51:42,592 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:51:42,592 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:51:42,595 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:51:42,597 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:51:42,605 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:51:42,608 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:51:42,609 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:51:42,612 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:51:42,620 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:51:42,623 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:51:42,624 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:51:42,628 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:51:42,629 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:51:42,635 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:51:42,635 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:51:42,636 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:51:42,638 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:51:42,638 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:51:42,640 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:51:42,640 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:51:42,641 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:51:42,643 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:51:42,645 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:51:42,646 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:51:42,647 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:51:42,647 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:51:42,648 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:51:42,648 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:51:42,649 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:51:42,650 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:51:42,651 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fc70a7-88e0-4fc5-80c6-982b6396ee19/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-23 01:51:42,694 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:51:42,694 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:51:42,695 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 01:51:42,695 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 01:51:42,696 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:51:42,697 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 01:51:42,697 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 01:51:42,697 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 01:51:42,697 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 01:51:42,698 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 01:51:42,699 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 01:51:42,699 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 01:51:42,699 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 01:51:42,700 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 01:51:42,700 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 01:51:42,700 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 01:51:42,700 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 01:51:42,701 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 01:51:42,701 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:51:42,702 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:51:42,702 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:51:42,702 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:51:42,702 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:51:42,703 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:51:42,703 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:51:42,703 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:51:42,705 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:51:42,705 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:51:42,705 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 01:51:42,705 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 01:51:42,706 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:51:42,706 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:51:42,706 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:51:42,706 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 01:51:42,707 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:51:42,707 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:51:42,707 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 01:51:42,707 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 01:51:42,708 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_20fc70a7-88e0-4fc5-80c6-982b6396ee19/bin/utaipan-EQgc7hIp5V/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fc70a7-88e0-4fc5-80c6-982b6396ee19/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2780fc0b078cd95366c58e63c05c4168e73cfd193d5f7dd189d6eaa3d38deb42 [2021-11-23 01:51:42,992 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:51:43,013 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:51:43,016 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:51:43,017 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:51:43,018 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:51:43,019 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fc70a7-88e0-4fc5-80c6-982b6396ee19/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rt2x00-rt2500usb.cil.i [2021-11-23 01:51:43,089 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fc70a7-88e0-4fc5-80c6-982b6396ee19/bin/utaipan-EQgc7hIp5V/data/58031f81a/979a0456deb94dc99a1b8ae08673f19a/FLAG263e7252c [2021-11-23 01:51:44,271 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:51:44,272 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fc70a7-88e0-4fc5-80c6-982b6396ee19/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rt2x00-rt2500usb.cil.i [2021-11-23 01:51:44,348 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fc70a7-88e0-4fc5-80c6-982b6396ee19/bin/utaipan-EQgc7hIp5V/data/58031f81a/979a0456deb94dc99a1b8ae08673f19a/FLAG263e7252c [2021-11-23 01:51:44,481 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fc70a7-88e0-4fc5-80c6-982b6396ee19/bin/utaipan-EQgc7hIp5V/data/58031f81a/979a0456deb94dc99a1b8ae08673f19a [2021-11-23 01:51:44,483 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:51:44,484 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:51:44,486 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:51:44,486 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:51:44,490 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:51:44,492 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:51:44" (1/1) ... [2021-11-23 01:51:44,494 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78fa8f22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:51:44, skipping insertion in model container [2021-11-23 01:51:44,495 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:51:44" (1/1) ... [2021-11-23 01:51:44,502 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:51:44,742 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:51:49,874 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_20fc70a7-88e0-4fc5-80c6-982b6396ee19/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] [2021-11-23 01:51:49,877 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_20fc70a7-88e0-4fc5-80c6-982b6396ee19/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] [2021-11-23 01:51:49,878 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_20fc70a7-88e0-4fc5-80c6-982b6396ee19/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] [2021-11-23 01:51:49,878 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_20fc70a7-88e0-4fc5-80c6-982b6396ee19/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] [2021-11-23 01:51:49,904 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:51:50,004 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:51:50,657 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_20fc70a7-88e0-4fc5-80c6-982b6396ee19/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] [2021-11-23 01:51:50,657 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_20fc70a7-88e0-4fc5-80c6-982b6396ee19/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] [2021-11-23 01:51:50,658 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_20fc70a7-88e0-4fc5-80c6-982b6396ee19/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] [2021-11-23 01:51:50,658 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_20fc70a7-88e0-4fc5-80c6-982b6396ee19/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] [2021-11-23 01:51:50,664 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:51:51,024 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:51:51,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:51:51 WrapperNode [2021-11-23 01:51:51,025 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:51:51,026 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:51:51,026 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:51:51,026 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:51:51,034 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:51:51" (1/1) ... [2021-11-23 01:51:51,255 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:51:51" (1/1) ... [2021-11-23 01:51:51,700 INFO L137 Inliner]: procedures = 555, calls = 6825, calls flagged for inlining = 203, calls inlined = 188, statements flattened = 10335 [2021-11-23 01:51:51,701 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:51:51,702 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:51:51,703 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:51:51,704 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:51:51,712 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:51:51" (1/1) ... [2021-11-23 01:51:51,713 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:51:51" (1/1) ... [2021-11-23 01:51:51,783 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:51:51" (1/1) ... [2021-11-23 01:51:51,784 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:51:51" (1/1) ... [2021-11-23 01:51:52,140 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:51:51" (1/1) ... [2021-11-23 01:51:52,187 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:51:51" (1/1) ... [2021-11-23 01:51:52,292 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:51:51" (1/1) ... [2021-11-23 01:51:52,372 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:51:52,374 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:51:52,374 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:51:52,374 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:51:52,375 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:51:51" (1/1) ... [2021-11-23 01:51:52,383 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 01:51:52,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fc70a7-88e0-4fc5-80c6-982b6396ee19/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 01:51:52,410 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fc70a7-88e0-4fc5-80c6-982b6396ee19/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 01:51:52,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fc70a7-88e0-4fc5-80c6-982b6396ee19/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 01:51:52,468 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1295 [2021-11-23 01:51:52,468 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1295 [2021-11-23 01:51:52,468 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00_desc_write [2021-11-23 01:51:52,469 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00_desc_write [2021-11-23 01:51:52,469 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1293 [2021-11-23 01:51:52,469 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1293 [2021-11-23 01:51:52,469 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1298 [2021-11-23 01:51:52,469 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1298 [2021-11-23 01:51:52,470 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1296 [2021-11-23 01:51:52,470 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1296 [2021-11-23 01:51:52,470 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2021-11-23 01:51:52,470 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2021-11-23 01:51:52,471 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00mac_conf_tx [2021-11-23 01:51:52,471 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00mac_conf_tx [2021-11-23 01:51:52,471 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00usb_kick_queue [2021-11-23 01:51:52,471 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00usb_kick_queue [2021-11-23 01:51:52,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 01:51:52,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 01:51:52,472 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00_eeprom_addr [2021-11-23 01:51:52,472 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00_eeprom_addr [2021-11-23 01:51:52,472 INFO L130 BoogieDeclarations]: Found specification of procedure rt2500usb_config_filter [2021-11-23 01:51:52,472 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2500usb_config_filter [2021-11-23 01:51:52,472 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00mac_get_stats [2021-11-23 01:51:52,472 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00mac_get_stats [2021-11-23 01:51:52,473 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1093 [2021-11-23 01:51:52,473 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1093 [2021-11-23 01:51:52,473 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1091 [2021-11-23 01:51:52,473 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1091 [2021-11-23 01:51:52,474 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00mac_sw_scan_start [2021-11-23 01:51:52,474 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00mac_sw_scan_start [2021-11-23 01:51:52,474 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1097 [2021-11-23 01:51:52,475 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1097 [2021-11-23 01:51:52,475 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1095 [2021-11-23 01:51:52,475 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1095 [2021-11-23 01:51:52,475 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_806 [2021-11-23 01:51:52,475 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_806 [2021-11-23 01:51:52,476 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_807 [2021-11-23 01:51:52,476 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_807 [2021-11-23 01:51:52,476 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1099 [2021-11-23 01:51:52,476 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1099 [2021-11-23 01:51:52,476 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_805 [2021-11-23 01:51:52,477 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_805 [2021-11-23 01:51:52,477 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_811 [2021-11-23 01:51:52,478 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_811 [2021-11-23 01:51:52,478 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_812 [2021-11-23 01:51:52,479 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_812 [2021-11-23 01:51:52,479 INFO L130 BoogieDeclarations]: Found specification of procedure rt2500usb_register_write [2021-11-23 01:51:52,479 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2500usb_register_write [2021-11-23 01:51:52,479 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00usb_uninitialize [2021-11-23 01:51:52,479 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00usb_uninitialize [2021-11-23 01:51:52,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-23 01:51:52,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-23 01:51:52,480 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_817 [2021-11-23 01:51:52,480 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_817 [2021-11-23 01:51:52,481 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1089 [2021-11-23 01:51:52,481 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1089 [2021-11-23 01:51:52,481 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_818 [2021-11-23 01:51:52,482 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_818 [2021-11-23 01:51:52,482 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_819 [2021-11-23 01:51:52,482 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_819 [2021-11-23 01:51:52,482 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_813 [2021-11-23 01:51:52,482 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_813 [2021-11-23 01:51:52,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-23 01:51:52,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-23 01:51:52,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2021-11-23 01:51:52,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2021-11-23 01:51:52,484 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_820 [2021-11-23 01:51:52,484 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_820 [2021-11-23 01:51:52,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_csr_mutex_of_rt2x00_dev [2021-11-23 01:51:52,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_csr_mutex_of_rt2x00_dev [2021-11-23 01:51:52,484 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_702 [2021-11-23 01:51:52,485 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_702 [2021-11-23 01:51:52,485 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00mac_tx_frames_pending [2021-11-23 01:51:52,485 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00mac_tx_frames_pending [2021-11-23 01:51:52,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:51:52,485 INFO L130 BoogieDeclarations]: Found specification of procedure rt2500usb_probe_hw [2021-11-23 01:51:52,485 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2500usb_probe_hw [2021-11-23 01:51:52,486 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00usb_watchdog [2021-11-23 01:51:52,486 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00usb_watchdog [2021-11-23 01:51:52,487 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00mac_flush [2021-11-23 01:51:52,487 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00mac_flush [2021-11-23 01:51:52,487 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00usb_vendor_request_sw [2021-11-23 01:51:52,487 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00usb_vendor_request_sw [2021-11-23 01:51:52,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-23 01:51:52,488 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00mac_bss_info_changed [2021-11-23 01:51:52,488 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00mac_bss_info_changed [2021-11-23 01:51:52,489 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2021-11-23 01:51:52,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2021-11-23 01:51:52,490 INFO L130 BoogieDeclarations]: Found specification of procedure rt2500usb_get_tx_data_len [2021-11-23 01:51:52,490 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2500usb_get_tx_data_len [2021-11-23 01:51:52,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-23 01:51:52,490 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-23 01:51:52,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-23 01:51:52,491 INFO L130 BoogieDeclarations]: Found specification of procedure rt2500usb_queue_init [2021-11-23 01:51:52,491 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2500usb_queue_init [2021-11-23 01:51:52,491 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 01:51:52,491 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-23 01:51:52,491 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-23 01:51:52,491 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-23 01:51:52,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-23 01:51:52,492 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_187 [2021-11-23 01:51:52,492 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_187 [2021-11-23 01:51:52,492 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_186 [2021-11-23 01:51:52,493 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_186 [2021-11-23 01:51:52,493 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_159 [2021-11-23 01:51:52,494 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_159 [2021-11-23 01:51:52,497 INFO L130 BoogieDeclarations]: Found specification of procedure rt2500usb_stop_queue [2021-11-23 01:51:52,497 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2500usb_stop_queue [2021-11-23 01:51:52,497 INFO L130 BoogieDeclarations]: Found specification of procedure rt2500usb_start_queue [2021-11-23 01:51:52,498 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2500usb_start_queue [2021-11-23 01:51:52,498 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00_rf [2021-11-23 01:51:52,499 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00_rf [2021-11-23 01:51:52,499 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 01:51:52,499 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-23 01:51:52,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-23 01:51:52,506 INFO L130 BoogieDeclarations]: Found specification of procedure rt2500usb_set_device_state [2021-11-23 01:51:52,506 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2500usb_set_device_state [2021-11-23 01:51:52,506 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_161 [2021-11-23 01:51:52,506 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_161 [2021-11-23 01:51:52,507 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_160 [2021-11-23 01:51:52,507 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_160 [2021-11-23 01:51:52,507 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_283 [2021-11-23 01:51:52,507 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_283 [2021-11-23 01:51:52,507 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:51:52,507 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-23 01:51:52,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-23 01:51:52,508 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-23 01:51:52,508 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-23 01:51:52,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 01:51:52,508 INFO L130 BoogieDeclarations]: Found specification of procedure rt2500usb_link_stats [2021-11-23 01:51:52,508 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2500usb_link_stats [2021-11-23 01:51:52,508 INFO L130 BoogieDeclarations]: Found specification of procedure rt2500usb_fill_rxdone [2021-11-23 01:51:52,509 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2500usb_fill_rxdone [2021-11-23 01:51:52,509 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-23 01:51:52,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-23 01:51:52,509 INFO L130 BoogieDeclarations]: Found specification of procedure _rt2x00_desc_write [2021-11-23 01:51:52,509 INFO L138 BoogieDeclarations]: Found implementation of procedure _rt2x00_desc_write [2021-11-23 01:51:52,509 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00mac_tx [2021-11-23 01:51:52,510 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00mac_tx [2021-11-23 01:51:52,510 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_195 [2021-11-23 01:51:52,510 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_195 [2021-11-23 01:51:52,510 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00usb_disconnect [2021-11-23 01:51:52,510 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00usb_disconnect [2021-11-23 01:51:52,510 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00mac_add_interface [2021-11-23 01:51:52,510 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00mac_add_interface [2021-11-23 01:51:52,511 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:51:52,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:51:52,511 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00mac_set_tim [2021-11-23 01:51:52,511 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00mac_set_tim [2021-11-23 01:51:52,511 INFO L130 BoogieDeclarations]: Found specification of procedure rt2500usb_bbp_write [2021-11-23 01:51:52,511 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2500usb_bbp_write [2021-11-23 01:51:52,512 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00usb_clear_entry [2021-11-23 01:51:52,512 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00usb_clear_entry [2021-11-23 01:51:52,512 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_213 [2021-11-23 01:51:52,512 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_213 [2021-11-23 01:51:52,512 INFO L130 BoogieDeclarations]: Found specification of procedure rt2500usb_config_ant [2021-11-23 01:51:52,512 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2500usb_config_ant [2021-11-23 01:51:52,512 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_218 [2021-11-23 01:51:52,513 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_218 [2021-11-23 01:51:52,513 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_217 [2021-11-23 01:51:52,513 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_217 [2021-11-23 01:51:52,513 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_576 [2021-11-23 01:51:52,513 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_576 [2021-11-23 01:51:52,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 01:51:52,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 01:51:52,514 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-23 01:51:52,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-23 01:51:52,514 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_572 [2021-11-23 01:51:52,514 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_572 [2021-11-23 01:51:52,514 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00usb_resume [2021-11-23 01:51:52,515 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00usb_resume [2021-11-23 01:51:52,515 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00mac_stop [2021-11-23 01:51:52,515 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00mac_stop [2021-11-23 01:51:52,515 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_219 [2021-11-23 01:51:52,515 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_219 [2021-11-23 01:51:52,515 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00mac_set_key [2021-11-23 01:51:52,516 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00mac_set_key [2021-11-23 01:51:52,516 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_585 [2021-11-23 01:51:52,516 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_585 [2021-11-23 01:51:52,518 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_586 [2021-11-23 01:51:52,518 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_586 [2021-11-23 01:51:52,518 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_465 [2021-11-23 01:51:52,518 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_465 [2021-11-23 01:51:52,518 INFO L130 BoogieDeclarations]: Found specification of procedure rt2500usb_register_multiwrite [2021-11-23 01:51:52,519 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2500usb_register_multiwrite [2021-11-23 01:51:52,519 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_467 [2021-11-23 01:51:52,519 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_467 [2021-11-23 01:51:52,519 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_584 [2021-11-23 01:51:52,519 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_584 [2021-11-23 01:51:52,519 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_220 [2021-11-23 01:51:52,520 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_220 [2021-11-23 01:51:52,520 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-11-23 01:51:52,520 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-11-23 01:51:52,520 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_549 [2021-11-23 01:51:52,520 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_549 [2021-11-23 01:51:52,520 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_798 [2021-11-23 01:51:52,520 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_798 [2021-11-23 01:51:52,521 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_436 [2021-11-23 01:51:52,521 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_436 [2021-11-23 01:51:52,521 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_558 [2021-11-23 01:51:52,521 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_558 [2021-11-23 01:51:52,521 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2021-11-23 01:51:52,521 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2021-11-23 01:51:52,521 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_559 [2021-11-23 01:51:52,522 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_559 [2021-11-23 01:51:52,522 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_438 [2021-11-23 01:51:52,522 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_438 [2021-11-23 01:51:52,522 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_552 [2021-11-23 01:51:52,522 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_552 [2021-11-23 01:51:52,522 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_553 [2021-11-23 01:51:52,523 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_553 [2021-11-23 01:51:52,523 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_554 [2021-11-23 01:51:52,523 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_554 [2021-11-23 01:51:52,523 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1506 [2021-11-23 01:51:52,523 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1506 [2021-11-23 01:51:52,523 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_434 [2021-11-23 01:51:52,523 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_434 [2021-11-23 01:51:52,524 INFO L130 BoogieDeclarations]: Found specification of procedure _rt2x00_desc_read [2021-11-23 01:51:52,524 INFO L138 BoogieDeclarations]: Found implementation of procedure _rt2x00_desc_read [2021-11-23 01:51:52,524 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00usb_vendor_req_buff_lock [2021-11-23 01:51:52,524 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00usb_vendor_req_buff_lock [2021-11-23 01:51:52,524 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_446 [2021-11-23 01:51:52,524 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_446 [2021-11-23 01:51:52,524 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_447 [2021-11-23 01:51:52,525 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_447 [2021-11-23 01:51:52,525 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_569 [2021-11-23 01:51:52,525 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_569 [2021-11-23 01:51:52,525 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_443 [2021-11-23 01:51:52,525 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_443 [2021-11-23 01:51:52,525 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_444 [2021-11-23 01:51:52,526 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_444 [2021-11-23 01:51:52,526 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_560 [2021-11-23 01:51:52,527 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_560 [2021-11-23 01:51:52,531 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00usb_flush_queue [2021-11-23 01:51:52,531 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00usb_flush_queue [2021-11-23 01:51:52,531 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_440 [2021-11-23 01:51:52,531 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_440 [2021-11-23 01:51:52,532 INFO L130 BoogieDeclarations]: Found specification of procedure rt2500usb_init_led [2021-11-23 01:51:52,532 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2500usb_init_led [2021-11-23 01:51:52,532 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00mac_remove_interface [2021-11-23 01:51:52,532 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00mac_remove_interface [2021-11-23 01:51:52,532 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 01:51:52,534 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1411 [2021-11-23 01:51:52,534 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1411 [2021-11-23 01:51:52,534 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1527 [2021-11-23 01:51:52,534 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1527 [2021-11-23 01:51:52,534 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1406 [2021-11-23 01:51:52,535 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1406 [2021-11-23 01:51:52,535 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00usb_initialize [2021-11-23 01:51:52,535 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00usb_initialize [2021-11-23 01:51:52,535 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1407 [2021-11-23 01:51:52,535 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1407 [2021-11-23 01:51:52,535 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_374 [2021-11-23 01:51:52,535 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_374 [2021-11-23 01:51:52,536 INFO L130 BoogieDeclarations]: Found specification of procedure rt2500usb_config_key [2021-11-23 01:51:52,536 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2500usb_config_key [2021-11-23 01:51:52,536 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 01:51:52,536 INFO L130 BoogieDeclarations]: Found specification of procedure rt2500usb_regbusy_read [2021-11-23 01:51:52,536 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2500usb_regbusy_read [2021-11-23 01:51:52,536 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1519 [2021-11-23 01:51:52,536 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1519 [2021-11-23 01:51:52,537 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00usb_vendor_request [2021-11-23 01:51:52,537 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00usb_vendor_request [2021-11-23 01:51:52,537 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_csr_mutex_of_rt2x00_dev [2021-11-23 01:51:52,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_csr_mutex_of_rt2x00_dev [2021-11-23 01:51:52,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 01:51:52,537 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1792 [2021-11-23 01:51:52,537 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1792 [2021-11-23 01:51:52,538 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1434 [2021-11-23 01:51:52,538 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1434 [2021-11-23 01:51:52,538 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1433 [2021-11-23 01:51:52,538 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1433 [2021-11-23 01:51:52,538 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1426 [2021-11-23 01:51:52,538 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1426 [2021-11-23 01:51:52,538 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1425 [2021-11-23 01:51:52,538 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1425 [2021-11-23 01:51:52,539 INFO L130 BoogieDeclarations]: Found specification of procedure rt2500usb_config [2021-11-23 01:51:52,539 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2500usb_config [2021-11-23 01:51:52,539 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_478 [2021-11-23 01:51:52,539 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_478 [2021-11-23 01:51:52,539 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_592 [2021-11-23 01:51:52,539 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_592 [2021-11-23 01:51:52,539 INFO L130 BoogieDeclarations]: Found specification of procedure get_skb_frame_desc [2021-11-23 01:51:52,540 INFO L138 BoogieDeclarations]: Found implementation of procedure get_skb_frame_desc [2021-11-23 01:51:52,540 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_594 [2021-11-23 01:51:52,540 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_594 [2021-11-23 01:51:52,540 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_595 [2021-11-23 01:51:52,540 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_595 [2021-11-23 01:51:52,540 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_474 [2021-11-23 01:51:52,540 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_474 [2021-11-23 01:51:52,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-23 01:51:52,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-23 01:51:52,541 INFO L130 BoogieDeclarations]: Found specification of procedure rt2500usb_register_read [2021-11-23 01:51:52,541 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2500usb_register_read [2021-11-23 01:51:52,541 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1302 [2021-11-23 01:51:52,541 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1302 [2021-11-23 01:51:52,541 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1417 [2021-11-23 01:51:52,541 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1417 [2021-11-23 01:51:52,542 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1418 [2021-11-23 01:51:52,542 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1418 [2021-11-23 01:51:52,542 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_368 [2021-11-23 01:51:52,542 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_368 [2021-11-23 01:51:52,542 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00mac_start [2021-11-23 01:51:52,542 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00mac_start [2021-11-23 01:51:52,542 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00_rf_read [2021-11-23 01:51:52,543 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00_rf_read [2021-11-23 01:51:52,543 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00mac_configure_filter [2021-11-23 01:51:52,543 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00mac_configure_filter [2021-11-23 01:51:52,543 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_967 [2021-11-23 01:51:52,543 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_967 [2021-11-23 01:51:52,543 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_846 [2021-11-23 01:51:52,543 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_846 [2021-11-23 01:51:52,544 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00mac_get_antenna [2021-11-23 01:51:52,544 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00mac_get_antenna [2021-11-23 01:51:52,544 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_847 [2021-11-23 01:51:52,544 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_847 [2021-11-23 01:51:52,544 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_726 [2021-11-23 01:51:52,544 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_726 [2021-11-23 01:51:52,544 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_848 [2021-11-23 01:51:52,544 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_848 [2021-11-23 01:51:52,545 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1206 [2021-11-23 01:51:52,545 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1206 [2021-11-23 01:51:52,545 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_730 [2021-11-23 01:51:52,545 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_730 [2021-11-23 01:51:52,545 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_610 [2021-11-23 01:51:52,545 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_610 [2021-11-23 01:51:52,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-11-23 01:51:52,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-11-23 01:51:52,546 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00_eeprom_write [2021-11-23 01:51:52,546 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00_eeprom_write [2021-11-23 01:51:52,546 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1442 [2021-11-23 01:51:52,546 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1442 [2021-11-23 01:51:52,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_2_4 [2021-11-23 01:51:52,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_2_4 [2021-11-23 01:51:52,547 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1441 [2021-11-23 01:51:52,547 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1441 [2021-11-23 01:51:52,547 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1204 [2021-11-23 01:51:52,547 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1204 [2021-11-23 01:51:52,547 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1203 [2021-11-23 01:51:52,547 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1203 [2021-11-23 01:51:52,547 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_858 [2021-11-23 01:51:52,548 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_858 [2021-11-23 01:51:52,548 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_859 [2021-11-23 01:51:52,548 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_859 [2021-11-23 01:51:52,548 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_865 [2021-11-23 01:51:52,548 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_865 [2021-11-23 01:51:52,548 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_860 [2021-11-23 01:51:52,548 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_860 [2021-11-23 01:51:52,548 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_500 [2021-11-23 01:51:52,549 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_500 [2021-11-23 01:51:52,549 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-23 01:51:52,549 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-23 01:51:52,549 INFO L130 BoogieDeclarations]: Found specification of procedure rt2500usb_write_beacon [2021-11-23 01:51:52,549 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2500usb_write_beacon [2021-11-23 01:51:52,549 INFO L130 BoogieDeclarations]: Found specification of procedure rt2500usb_register_write_lock [2021-11-23 01:51:52,549 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2500usb_register_write_lock [2021-11-23 01:51:52,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-11-23 01:51:52,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-11-23 01:51:52,550 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00mac_set_antenna [2021-11-23 01:51:52,550 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00mac_set_antenna [2021-11-23 01:51:52,550 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_708 [2021-11-23 01:51:52,550 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_708 [2021-11-23 01:51:52,550 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1110 [2021-11-23 01:51:52,551 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1110 [2021-11-23 01:51:52,551 INFO L130 BoogieDeclarations]: Found specification of procedure rt2500usb_init_registers [2021-11-23 01:51:52,551 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2500usb_init_registers [2021-11-23 01:51:52,551 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1358 [2021-11-23 01:51:52,551 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1358 [2021-11-23 01:51:52,551 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_824 [2021-11-23 01:51:52,551 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_824 [2021-11-23 01:51:52,552 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1115 [2021-11-23 01:51:52,552 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1115 [2021-11-23 01:51:52,552 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_825 [2021-11-23 01:51:52,552 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_825 [2021-11-23 01:51:52,552 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1114 [2021-11-23 01:51:52,552 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1114 [2021-11-23 01:51:52,552 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_826 [2021-11-23 01:51:52,552 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_826 [2021-11-23 01:51:52,553 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_827 [2021-11-23 01:51:52,553 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_827 [2021-11-23 01:51:52,553 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1109 [2021-11-23 01:51:52,553 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1109 [2021-11-23 01:51:52,553 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_831 [2021-11-23 01:51:52,553 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_831 [2021-11-23 01:51:52,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 01:51:52,554 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1108 [2021-11-23 01:51:52,554 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1108 [2021-11-23 01:51:52,554 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_832 [2021-11-23 01:51:52,554 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_832 [2021-11-23 01:51:52,554 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1107 [2021-11-23 01:51:52,554 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1107 [2021-11-23 01:51:52,554 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_833 [2021-11-23 01:51:52,555 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_833 [2021-11-23 01:51:52,555 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_834 [2021-11-23 01:51:52,555 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_834 [2021-11-23 01:51:52,555 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-23 01:51:52,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-23 01:51:52,555 INFO L130 BoogieDeclarations]: Found specification of procedure rt2500usb_reset_tuner [2021-11-23 01:51:52,555 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2500usb_reset_tuner [2021-11-23 01:51:52,556 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1464 [2021-11-23 01:51:52,556 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1464 [2021-11-23 01:51:52,556 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1101 [2021-11-23 01:51:52,556 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1101 [2021-11-23 01:51:52,556 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_839 [2021-11-23 01:51:52,556 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_839 [2021-11-23 01:51:52,556 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_718 [2021-11-23 01:51:52,557 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_718 [2021-11-23 01:51:52,557 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1100 [2021-11-23 01:51:52,557 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1100 [2021-11-23 01:51:52,557 INFO L130 BoogieDeclarations]: Found specification of procedure rt2500usb_register_read_lock [2021-11-23 01:51:52,557 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2500usb_register_read_lock [2021-11-23 01:51:52,557 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1103 [2021-11-23 01:51:52,557 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1103 [2021-11-23 01:51:52,557 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1102 [2021-11-23 01:51:52,558 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1102 [2021-11-23 01:51:52,558 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_838 [2021-11-23 01:51:52,558 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_838 [2021-11-23 01:51:52,558 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_722 [2021-11-23 01:51:52,558 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_722 [2021-11-23 01:51:52,558 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_966 [2021-11-23 01:51:52,558 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_966 [2021-11-23 01:51:52,559 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_845 [2021-11-23 01:51:52,559 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_845 [2021-11-23 01:51:52,559 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_840 [2021-11-23 01:51:52,559 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_840 [2021-11-23 01:51:52,559 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_841 [2021-11-23 01:51:52,559 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_841 [2021-11-23 01:51:52,559 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00mac_get_ringparam [2021-11-23 01:51:52,559 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00mac_get_ringparam [2021-11-23 01:51:52,560 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00mac_sw_scan_complete [2021-11-23 01:51:52,560 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00mac_sw_scan_complete [2021-11-23 01:51:52,560 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1376 [2021-11-23 01:51:52,560 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1376 [2021-11-23 01:51:52,560 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1375 [2021-11-23 01:51:52,560 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1375 [2021-11-23 01:51:52,560 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1374 [2021-11-23 01:51:52,561 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1374 [2021-11-23 01:51:52,561 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1017 [2021-11-23 01:51:52,561 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1017 [2021-11-23 01:51:52,561 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1016 [2021-11-23 01:51:52,561 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1016 [2021-11-23 01:51:52,561 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_407 [2021-11-23 01:51:52,561 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_407 [2021-11-23 01:51:52,562 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_408 [2021-11-23 01:51:52,562 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_408 [2021-11-23 01:51:52,562 INFO L130 BoogieDeclarations]: Found specification of procedure rt2500usb_write_tx_desc [2021-11-23 01:51:52,562 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2500usb_write_tx_desc [2021-11-23 01:51:52,562 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_776 [2021-11-23 01:51:52,562 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_776 [2021-11-23 01:51:52,562 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_898 [2021-11-23 01:51:52,563 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_898 [2021-11-23 01:51:52,563 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_777 [2021-11-23 01:51:52,563 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_777 [2021-11-23 01:51:52,563 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_656 [2021-11-23 01:51:52,563 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_656 [2021-11-23 01:51:52,563 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_415 [2021-11-23 01:51:52,563 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_415 [2021-11-23 01:51:52,563 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_658 [2021-11-23 01:51:52,564 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_658 [2021-11-23 01:51:52,564 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_894 [2021-11-23 01:51:52,564 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_894 [2021-11-23 01:51:52,564 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_410 [2021-11-23 01:51:52,564 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_410 [2021-11-23 01:51:52,564 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_775 [2021-11-23 01:51:52,564 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_775 [2021-11-23 01:51:52,565 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_890 [2021-11-23 01:51:52,565 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_890 [2021-11-23 01:51:52,565 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_770 [2021-11-23 01:51:52,565 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_770 [2021-11-23 01:51:52,565 INFO L130 BoogieDeclarations]: Found specification of procedure __set_bit [2021-11-23 01:51:52,565 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_bit [2021-11-23 01:51:52,565 INFO L130 BoogieDeclarations]: Found specification of procedure rt2500usb_config_erp [2021-11-23 01:51:52,566 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2500usb_config_erp [2021-11-23 01:51:52,566 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00_desc_read [2021-11-23 01:51:52,566 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00_desc_read [2021-11-23 01:51:52,566 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-11-23 01:51:52,566 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-11-23 01:51:52,566 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1360 [2021-11-23 01:51:52,566 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1360 [2021-11-23 01:51:52,567 INFO L130 BoogieDeclarations]: Found specification of procedure rt2500usb_enable_radio [2021-11-23 01:51:52,567 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2500usb_enable_radio [2021-11-23 01:51:52,567 INFO L130 BoogieDeclarations]: Found specification of procedure rt2500usb_rfkill_poll [2021-11-23 01:51:52,567 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2500usb_rfkill_poll [2021-11-23 01:51:52,567 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1365 [2021-11-23 01:51:52,567 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1365 [2021-11-23 01:51:52,567 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1364 [2021-11-23 01:51:52,567 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1364 [2021-11-23 01:51:52,568 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1362 [2021-11-23 01:51:52,568 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1362 [2021-11-23 01:51:52,568 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1489 [2021-11-23 01:51:52,568 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1489 [2021-11-23 01:51:52,568 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1367 [2021-11-23 01:51:52,568 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1367 [2021-11-23 01:51:52,568 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1487 [2021-11-23 01:51:52,569 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1487 [2021-11-23 01:51:52,569 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1366 [2021-11-23 01:51:52,569 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1366 [2021-11-23 01:51:52,569 INFO L130 BoogieDeclarations]: Found specification of procedure rt2500usb_config_intf [2021-11-23 01:51:52,569 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2500usb_config_intf [2021-11-23 01:51:52,569 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1119 [2021-11-23 01:51:52,569 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1119 [2021-11-23 01:51:52,570 INFO L130 BoogieDeclarations]: Found specification of procedure rt2500usb_bbp_read [2021-11-23 01:51:52,570 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2500usb_bbp_read [2021-11-23 01:51:52,570 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_668 [2021-11-23 01:51:52,570 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_668 [2021-11-23 01:51:52,570 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_547 [2021-11-23 01:51:52,570 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_547 [2021-11-23 01:51:52,570 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1117 [2021-11-23 01:51:52,570 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1117 [2021-11-23 01:51:52,571 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_548 [2021-11-23 01:51:52,571 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_548 [2021-11-23 01:51:52,571 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_664 [2021-11-23 01:51:52,571 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_664 [2021-11-23 01:51:52,571 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-23 01:51:52,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-23 01:51:52,571 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_661 [2021-11-23 01:51:52,572 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_661 [2021-11-23 01:51:52,572 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1031 [2021-11-23 01:51:52,572 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1031 [2021-11-23 01:51:52,572 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1030 [2021-11-23 01:51:52,572 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1030 [2021-11-23 01:51:52,572 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1392 [2021-11-23 01:51:52,572 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1392 [2021-11-23 01:51:52,610 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1270 [2021-11-23 01:51:52,610 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1270 [2021-11-23 01:51:52,610 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1155 [2021-11-23 01:51:52,610 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1155 [2021-11-23 01:51:52,611 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_868 [2021-11-23 01:51:52,611 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_868 [2021-11-23 01:51:52,611 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_747 [2021-11-23 01:51:52,611 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_747 [2021-11-23 01:51:52,611 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_869 [2021-11-23 01:51:52,611 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_869 [2021-11-23 01:51:52,611 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_754 [2021-11-23 01:51:52,611 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_754 [2021-11-23 01:51:52,611 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_752 [2021-11-23 01:51:52,611 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_752 [2021-11-23 01:51:52,611 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_753 [2021-11-23 01:51:52,611 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_753 [2021-11-23 01:51:52,611 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_511 [2021-11-23 01:51:52,611 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_511 [2021-11-23 01:51:52,611 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1020 [2021-11-23 01:51:52,612 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1020 [2021-11-23 01:51:52,612 INFO L130 BoogieDeclarations]: Found specification of procedure rt2500usb_rf_write [2021-11-23 01:51:52,612 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2500usb_rf_write [2021-11-23 01:51:52,612 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1266 [2021-11-23 01:51:52,612 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1266 [2021-11-23 01:51:52,612 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1264 [2021-11-23 01:51:52,612 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1264 [2021-11-23 01:51:52,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:51:52,612 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1384 [2021-11-23 01:51:52,612 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1384 [2021-11-23 01:51:52,612 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1269 [2021-11-23 01:51:52,612 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1269 [2021-11-23 01:51:52,612 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_886 [2021-11-23 01:51:52,612 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_886 [2021-11-23 01:51:52,613 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_1018 [2021-11-23 01:51:52,613 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_1018 [2021-11-23 01:51:52,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-23 01:51:52,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-23 01:51:52,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_rt2500usb_driver_exit_6_2 [2021-11-23 01:51:52,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_rt2500usb_driver_exit_6_2 [2021-11-23 01:51:52,613 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_641 [2021-11-23 01:51:52,613 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_641 [2021-11-23 01:51:52,613 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_884 [2021-11-23 01:51:52,613 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_884 [2021-11-23 01:51:52,613 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00_eeprom_read [2021-11-23 01:51:52,613 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00_eeprom_read [2021-11-23 01:51:52,613 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_885 [2021-11-23 01:51:52,614 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_885 [2021-11-23 01:51:52,614 INFO L130 BoogieDeclarations]: Found specification of procedure rt2x00usb_vendor_request_buff [2021-11-23 01:51:52,614 INFO L138 BoogieDeclarations]: Found implementation of procedure rt2x00usb_vendor_request_buff [2021-11-23 01:51:52,614 INFO L130 BoogieDeclarations]: Found specification of procedure __compiletime_assert_880 [2021-11-23 01:51:52,614 INFO L138 BoogieDeclarations]: Found implementation of procedure __compiletime_assert_880 [2021-11-23 01:51:53,985 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:51:53,992 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:51:55,493 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-23 01:52:14,240 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-23 01:52:14,427 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:52:15,783 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:52:15,784 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 01:52:15,794 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:52:15 BoogieIcfgContainer [2021-11-23 01:52:15,794 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:52:15,797 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 01:52:15,797 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 01:52:15,800 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 01:52:15,801 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:51:44" (1/3) ... [2021-11-23 01:52:15,802 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@188fd103 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:52:15, skipping insertion in model container [2021-11-23 01:52:15,802 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:51:51" (2/3) ... [2021-11-23 01:52:15,803 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@188fd103 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:52:15, skipping insertion in model container [2021-11-23 01:52:15,803 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:52:15" (3/3) ... [2021-11-23 01:52:15,804 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rt2x00-rt2500usb.cil.i [2021-11-23 01:52:15,810 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 01:52:15,810 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-23 01:52:15,895 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 01:52:15,903 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-23 01:52:15,904 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-23 01:52:16,020 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) [2021-11-23 01:52:16,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 642 [2021-11-23 01:52:16,074 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 01:52:16,076 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] [2021-11-23 01:52:16,077 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)] === [2021-11-23 01:52:16,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:52:16,083 INFO L85 PathProgramCache]: Analyzing trace with hash 1656102004, now seen corresponding path program 1 times [2021-11-23 01:52:16,092 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 01:52:16,094 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708936310] [2021-11-23 01:52:16,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:52:16,096 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:16,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:17,332 INFO L134 CoverageAnalysis]: Checked inductivity of 15252 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15252 trivial. 0 not checked. [2021-11-23 01:52:17,333 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 01:52:17,334 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708936310] [2021-11-23 01:52:17,335 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [708936310] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 01:52:17,339 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 01:52:17,339 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 01:52:17,341 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411877949] [2021-11-23 01:52:17,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 01:52:17,349 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 01:52:17,349 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 01:52:17,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 01:52:17,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 01:52:17,394 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) [2021-11-23 01:52:19,809 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 [] [2021-11-23 01:52:25,322 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 [] [2021-11-23 01:52:25,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 01:52:25,928 INFO L93 Difference]: Finished difference Result 10185 states and 15034 transitions. [2021-11-23 01:52:25,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 01:52:25,931 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 [2021-11-23 01:52:25,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 01:52:26,028 INFO L225 Difference]: With dead ends: 10185 [2021-11-23 01:52:26,028 INFO L226 Difference]: Without dead ends: 6799 [2021-11-23 01:52:26,075 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 01:52:26,080 INFO L933 BasicCegarLoop]: 5730 mSDtfsCounter, 4837 mSDsluCounter, 5052 mSDsCounter, 0 mSdLazyCounter, 742 mSolverCounterSat, 7 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s 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, 8.0s IncrementalHoareTripleChecker+Time [2021-11-23 01:52:26,081 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4843 Valid, 10430 Invalid, 751 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 742 Invalid, 2 Unknown, 0 Unchecked, 8.0s Time] [2021-11-23 01:52:26,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6799 states. [2021-11-23 01:52:26,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6799 to 6792. [2021-11-23 01:52:26,562 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) [2021-11-23 01:52:26,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6792 states to 6792 states and 9896 transitions. [2021-11-23 01:52:26,641 INFO L78 Accepts]: Start accepts. Automaton has 6792 states and 9896 transitions. Word has length 641 [2021-11-23 01:52:26,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 01:52:26,646 INFO L470 AbstractCegarLoop]: Abstraction has 6792 states and 9896 transitions. [2021-11-23 01:52:26,647 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) [2021-11-23 01:52:26,648 INFO L276 IsEmpty]: Start isEmpty. Operand 6792 states and 9896 transitions. [2021-11-23 01:52:26,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 665 [2021-11-23 01:52:26,676 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 01:52:26,677 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] [2021-11-23 01:52:26,678 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 01:52:26,678 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)] === [2021-11-23 01:52:26,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:52:26,680 INFO L85 PathProgramCache]: Analyzing trace with hash 490185494, now seen corresponding path program 1 times [2021-11-23 01:52:26,680 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 01:52:26,680 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25407202] [2021-11-23 01:52:26,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:52:26,684 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:26,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:27,595 INFO L134 CoverageAnalysis]: Checked inductivity of 15254 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15254 trivial. 0 not checked. [2021-11-23 01:52:27,596 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 01:52:27,599 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25407202] [2021-11-23 01:52:27,599 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [25407202] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 01:52:27,599 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 01:52:27,599 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 01:52:27,600 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829978760] [2021-11-23 01:52:27,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 01:52:27,603 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 01:52:27,603 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 01:52:27,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 01:52:27,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 01:52:27,605 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) [2021-11-23 01:52:29,802 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 [] [2021-11-23 01:52:35,427 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 [] [2021-11-23 01:52:36,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 01:52:36,189 INFO L93 Difference]: Finished difference Result 16449 states and 23889 transitions. [2021-11-23 01:52:36,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 01:52:36,190 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 [2021-11-23 01:52:36,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 01:52:36,287 INFO L225 Difference]: With dead ends: 16449 [2021-11-23 01:52:36,287 INFO L226 Difference]: Without dead ends: 9782 [2021-11-23 01:52:36,334 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 01:52:36,335 INFO L933 BasicCegarLoop]: 5649 mSDtfsCounter, 4548 mSDsluCounter, 4912 mSDsCounter, 0 mSdLazyCounter, 840 mSolverCounterSat, 15 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s 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, 7.8s IncrementalHoareTripleChecker+Time [2021-11-23 01:52:36,336 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4552 Valid, 10262 Invalid, 857 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 840 Invalid, 2 Unknown, 0 Unchecked, 7.8s Time] [2021-11-23 01:52:36,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9782 states. [2021-11-23 01:52:36,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9782 to 9760. [2021-11-23 01:52:37,033 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) [2021-11-23 01:52:37,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9760 states to 9760 states and 14132 transitions. [2021-11-23 01:52:37,105 INFO L78 Accepts]: Start accepts. Automaton has 9760 states and 14132 transitions. Word has length 664 [2021-11-23 01:52:37,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 01:52:37,107 INFO L470 AbstractCegarLoop]: Abstraction has 9760 states and 14132 transitions. [2021-11-23 01:52:37,108 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) [2021-11-23 01:52:37,109 INFO L276 IsEmpty]: Start isEmpty. Operand 9760 states and 14132 transitions. [2021-11-23 01:52:37,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 666 [2021-11-23 01:52:37,130 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 01:52:37,132 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] [2021-11-23 01:52:37,132 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 01:52:37,133 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)] === [2021-11-23 01:52:37,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:52:37,133 INFO L85 PathProgramCache]: Analyzing trace with hash 1633275302, now seen corresponding path program 1 times [2021-11-23 01:52:37,134 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 01:52:37,134 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079448713] [2021-11-23 01:52:37,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:52:37,134 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:37,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:37,752 INFO L134 CoverageAnalysis]: Checked inductivity of 15254 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15254 trivial. 0 not checked. [2021-11-23 01:52:37,753 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 01:52:37,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1079448713] [2021-11-23 01:52:37,753 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1079448713] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 01:52:37,753 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 01:52:37,754 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 01:52:37,754 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638351175] [2021-11-23 01:52:37,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 01:52:37,755 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 01:52:37,755 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 01:52:37,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 01:52:37,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 01:52:37,756 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) [2021-11-23 01:52:40,288 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 [] [2021-11-23 01:52:45,927 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 [] [2021-11-23 01:52:46,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 01:52:46,400 INFO L93 Difference]: Finished difference Result 21044 states and 30418 transitions. [2021-11-23 01:52:46,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 01:52:46,401 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 [2021-11-23 01:52:46,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 01:52:46,493 INFO L225 Difference]: With dead ends: 21044 [2021-11-23 01:52:46,493 INFO L226 Difference]: Without dead ends: 11409 [2021-11-23 01:52:46,550 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 01:52:46,554 INFO L933 BasicCegarLoop]: 7386 mSDtfsCounter, 4550 mSDsluCounter, 4913 mSDsCounter, 0 mSdLazyCounter, 1031 mSolverCounterSat, 15 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4552 SdHoareTripleChecker+Valid, 12000 SdHoareTripleChecker+Invalid, 1048 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1031 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2021-11-23 01:52:46,555 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4552 Valid, 12000 Invalid, 1048 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 1031 Invalid, 2 Unknown, 0 Unchecked, 8.1s Time] [2021-11-23 01:52:46,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11409 states. [2021-11-23 01:52:47,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11409 to 11388. [2021-11-23 01:52:47,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11388 states, 7025 states have (on average 1.3740925266903914) internal successors, (9653), 8792 states have internal predecessors, (9653), 3382 states have call successors, (3382), 981 states have call predecessors, (3382), 978 states have return successors, (3378), 3361 states have call predecessors, (3378), 3378 states have call successors, (3378) [2021-11-23 01:52:47,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11388 states to 11388 states and 16413 transitions. [2021-11-23 01:52:47,128 INFO L78 Accepts]: Start accepts. Automaton has 11388 states and 16413 transitions. Word has length 665 [2021-11-23 01:52:47,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 01:52:47,130 INFO L470 AbstractCegarLoop]: Abstraction has 11388 states and 16413 transitions. [2021-11-23 01:52:47,131 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) [2021-11-23 01:52:47,131 INFO L276 IsEmpty]: Start isEmpty. Operand 11388 states and 16413 transitions. [2021-11-23 01:52:47,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 683 [2021-11-23 01:52:47,155 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 01:52:47,156 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] [2021-11-23 01:52:47,156 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-23 01:52:47,156 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)] === [2021-11-23 01:52:47,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:52:47,157 INFO L85 PathProgramCache]: Analyzing trace with hash 499442137, now seen corresponding path program 1 times [2021-11-23 01:52:47,158 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 01:52:47,158 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080643354] [2021-11-23 01:52:47,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:52:47,158 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:47,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:47,871 INFO L134 CoverageAnalysis]: Checked inductivity of 15264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15264 trivial. 0 not checked. [2021-11-23 01:52:47,872 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 01:52:47,872 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1080643354] [2021-11-23 01:52:47,872 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1080643354] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 01:52:47,872 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 01:52:47,872 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 01:52:47,873 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695822890] [2021-11-23 01:52:47,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 01:52:47,874 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 01:52:47,874 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 01:52:47,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 01:52:47,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 01:52:47,875 INFO L87 Difference]: Start difference. First operand 11388 states and 16413 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) [2021-11-23 01:52:50,090 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 [] [2021-11-23 01:52:55,149 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 [] [2021-11-23 01:52:55,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 01:52:55,761 INFO L93 Difference]: Finished difference Result 32330 states and 46626 transitions. [2021-11-23 01:52:55,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 01:52:55,777 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 [2021-11-23 01:52:55,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 01:52:55,926 INFO L225 Difference]: With dead ends: 32330 [2021-11-23 01:52:55,926 INFO L226 Difference]: Without dead ends: 21067 [2021-11-23 01:52:55,972 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 01:52:55,977 INFO L933 BasicCegarLoop]: 6351 mSDtfsCounter, 4776 mSDsluCounter, 5040 mSDsCounter, 0 mSdLazyCounter, 811 mSolverCounterSat, 16 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4782 SdHoareTripleChecker+Valid, 11042 SdHoareTripleChecker+Invalid, 829 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 811 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2021-11-23 01:52:55,978 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4782 Valid, 11042 Invalid, 829 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 811 Invalid, 2 Unknown, 0 Unchecked, 7.3s Time] [2021-11-23 01:52:56,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21067 states. [2021-11-23 01:52:57,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21067 to 21036. [2021-11-23 01:52:57,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21036 states, 13018 states have (on average 1.3754801044707328) internal successors, (17906), 16364 states have internal predecessors, (17906), 6206 states have call successors, (6206), 1815 states have call predecessors, (6206), 1809 states have return successors, (6202), 6154 states have call predecessors, (6202), 6202 states have call successors, (6202) [2021-11-23 01:52:57,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21036 states to 21036 states and 30314 transitions. [2021-11-23 01:52:57,363 INFO L78 Accepts]: Start accepts. Automaton has 21036 states and 30314 transitions. Word has length 682 [2021-11-23 01:52:57,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 01:52:57,364 INFO L470 AbstractCegarLoop]: Abstraction has 21036 states and 30314 transitions. [2021-11-23 01:52:57,365 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) [2021-11-23 01:52:57,365 INFO L276 IsEmpty]: Start isEmpty. Operand 21036 states and 30314 transitions. [2021-11-23 01:52:57,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 684 [2021-11-23 01:52:57,374 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 01:52:57,374 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] [2021-11-23 01:52:57,375 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-23 01:52:57,375 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)] === [2021-11-23 01:52:57,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:52:57,376 INFO L85 PathProgramCache]: Analyzing trace with hash -1613392270, now seen corresponding path program 1 times [2021-11-23 01:52:57,376 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 01:52:57,376 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987732134] [2021-11-23 01:52:57,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:52:57,377 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:52:57,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:52:58,345 INFO L134 CoverageAnalysis]: Checked inductivity of 15663 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15663 trivial. 0 not checked. [2021-11-23 01:52:58,345 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 01:52:58,346 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1987732134] [2021-11-23 01:52:58,346 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1987732134] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 01:52:58,346 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 01:52:58,346 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 01:52:58,346 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241654478] [2021-11-23 01:52:58,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 01:52:58,347 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-23 01:52:58,348 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 01:52:58,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 01:52:58,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-23 01:52:58,348 INFO L87 Difference]: Start difference. First operand 21036 states and 30314 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) [2021-11-23 01:53:00,777 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 [] [2021-11-23 01:53:06,504 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 [] [2021-11-23 01:53:06,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 01:53:06,838 INFO L93 Difference]: Finished difference Result 21066 states and 30331 transitions. [2021-11-23 01:53:06,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-23 01:53:06,839 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 [2021-11-23 01:53:06,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 01:53:06,934 INFO L225 Difference]: With dead ends: 21066 [2021-11-23 01:53:06,934 INFO L226 Difference]: Without dead ends: 21064 [2021-11-23 01:53:06,944 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 [2021-11-23 01:53:06,945 INFO L933 BasicCegarLoop]: 4713 mSDtfsCounter, 4671 mSDsluCounter, 10403 mSDsCounter, 0 mSdLazyCounter, 1112 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s 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, 7.7s IncrementalHoareTripleChecker+Time [2021-11-23 01:53:06,945 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4680 Valid, 14379 Invalid, 1116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1112 Invalid, 2 Unknown, 0 Unchecked, 7.7s Time] [2021-11-23 01:53:06,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21064 states. [2021-11-23 01:53:07,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21064 to 21064. [2021-11-23 01:53:08,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21064 states, 13033 states have (on average 1.3750479551906698) internal successors, (17921), 16379 states have internal predecessors, (17921), 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) [2021-11-23 01:53:08,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21064 states to 21064 states and 30329 transitions. [2021-11-23 01:53:08,142 INFO L78 Accepts]: Start accepts. Automaton has 21064 states and 30329 transitions. Word has length 683 [2021-11-23 01:53:08,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 01:53:08,143 INFO L470 AbstractCegarLoop]: Abstraction has 21064 states and 30329 transitions. [2021-11-23 01:53:08,144 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) [2021-11-23 01:53:08,144 INFO L276 IsEmpty]: Start isEmpty. Operand 21064 states and 30329 transitions. [2021-11-23 01:53:08,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 693 [2021-11-23 01:53:08,155 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 01:53:08,157 INFO L514 BasicCegarLoop]: trace histogram [66, 62, 62, 62, 62, 62, 62, 5, 5, 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] [2021-11-23 01:53:08,157 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-23 01:53:08,158 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)] === [2021-11-23 01:53:08,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:53:08,159 INFO L85 PathProgramCache]: Analyzing trace with hash 1927899149, now seen corresponding path program 1 times [2021-11-23 01:53:08,159 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 01:53:08,159 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697258923] [2021-11-23 01:53:08,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:53:08,160 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:08,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:09,390 INFO L134 CoverageAnalysis]: Checked inductivity of 15673 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 15671 trivial. 0 not checked. [2021-11-23 01:53:09,391 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 01:53:09,391 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697258923] [2021-11-23 01:53:09,391 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1697258923] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 01:53:09,391 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 01:53:09,391 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 01:53:09,391 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460106016] [2021-11-23 01:53:09,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 01:53:09,392 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-23 01:53:09,393 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 01:53:09,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 01:53:09,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-23 01:53:09,394 INFO L87 Difference]: Start difference. First operand 21064 states and 30329 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, (76), 3 states have call predecessors, (76), 1 states have return successors, (74), 2 states have call predecessors, (74), 2 states have call successors, (74) [2021-11-23 01:53:11,606 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 [] [2021-11-23 01:53:17,466 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 [] [2021-11-23 01:53:17,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 01:53:17,822 INFO L93 Difference]: Finished difference Result 21070 states and 30334 transitions. [2021-11-23 01:53:17,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-23 01:53:17,823 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, (76), 3 states have call predecessors, (76), 1 states have return successors, (74), 2 states have call predecessors, (74), 2 states have call successors, (74) Word has length 692 [2021-11-23 01:53:17,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 01:53:17,919 INFO L225 Difference]: With dead ends: 21070 [2021-11-23 01:53:17,919 INFO L226 Difference]: Without dead ends: 21068 [2021-11-23 01:53:17,929 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 [2021-11-23 01:53:17,930 INFO L933 BasicCegarLoop]: 4716 mSDtfsCounter, 4921 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 [2021-11-23 01:53:17,930 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] [2021-11-23 01:53:17,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21068 states. [2021-11-23 01:53:18,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21068 to 21068. [2021-11-23 01:53:18,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21068 states, 13036 states have (on average 1.3749616446762811) internal successors, (17924), 16382 states have internal predecessors, (17924), 6206 states have call successors, (6206), 1829 states have call predecessors, (6206), 1823 states have return successors, (6202), 6154 states have call predecessors, (6202), 6202 states have call successors, (6202) [2021-11-23 01:53:19,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21068 states to 21068 states and 30332 transitions. [2021-11-23 01:53:19,048 INFO L78 Accepts]: Start accepts. Automaton has 21068 states and 30332 transitions. Word has length 692 [2021-11-23 01:53:19,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 01:53:19,050 INFO L470 AbstractCegarLoop]: Abstraction has 21068 states and 30332 transitions. [2021-11-23 01:53:19,050 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, (76), 3 states have call predecessors, (76), 1 states have return successors, (74), 2 states have call predecessors, (74), 2 states have call successors, (74) [2021-11-23 01:53:19,051 INFO L276 IsEmpty]: Start isEmpty. Operand 21068 states and 30332 transitions. [2021-11-23 01:53:19,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 698 [2021-11-23 01:53:19,060 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 01:53:19,060 INFO L514 BasicCegarLoop]: trace histogram [66, 62, 62, 62, 62, 62, 62, 5, 5, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 01:53:19,061 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-23 01:53:19,061 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)] === [2021-11-23 01:53:19,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:53:19,062 INFO L85 PathProgramCache]: Analyzing trace with hash -1896279473, now seen corresponding path program 1 times [2021-11-23 01:53:19,062 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 01:53:19,062 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732283329] [2021-11-23 01:53:19,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:53:19,062 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:19,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:20,196 INFO L134 CoverageAnalysis]: Checked inductivity of 15679 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 15675 trivial. 0 not checked. [2021-11-23 01:53:20,196 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 01:53:20,196 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1732283329] [2021-11-23 01:53:20,197 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1732283329] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 01:53:20,197 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 01:53:20,197 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 01:53:20,197 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078287744] [2021-11-23 01:53:20,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 01:53:20,199 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-23 01:53:20,199 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 01:53:20,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 01:53:20,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-23 01:53:20,200 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, (77), 3 states have call predecessors, (77), 1 states have return successors, (75), 2 states have call predecessors, (75), 2 states have call successors, (75) [2021-11-23 01:53:25,959 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 [] [2021-11-23 01:53:26,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 01:53:26,334 INFO L93 Difference]: Finished difference Result 21074 states and 30337 transitions. [2021-11-23 01:53:26,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-23 01:53:26,334 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, (77), 3 states have call predecessors, (77), 1 states have return successors, (75), 2 states have call predecessors, (75), 2 states have call successors, (75) Word has length 697 [2021-11-23 01:53:26,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 01:53:26,432 INFO L225 Difference]: With dead ends: 21074 [2021-11-23 01:53:26,433 INFO L226 Difference]: Without dead ends: 21070 [2021-11-23 01:53:26,444 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 [2021-11-23 01:53:26,445 INFO L933 BasicCegarLoop]: 4716 mSDtfsCounter, 4925 mSDsluCounter, 10147 mSDsCounter, 0 mSdLazyCounter, 1100 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4929 SdHoareTripleChecker+Valid, 14137 SdHoareTripleChecker+Invalid, 1102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1100 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2021-11-23 01:53:26,446 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4929 Valid, 14137 Invalid, 1102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1100 Invalid, 1 Unknown, 0 Unchecked, 5.6s Time] [2021-11-23 01:53:26,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21070 states. [2021-11-23 01:53:27,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21070 to 21070. [2021-11-23 01:53:27,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21070 states, 13038 states have (on average 1.3748274275195582) internal successors, (17925), 16383 states have internal predecessors, (17925), 6206 states have call successors, (6206), 1830 states have call predecessors, (6206), 1823 states have return successors, (6202), 6154 states have call predecessors, (6202), 6202 states have call successors, (6202) [2021-11-23 01:53:27,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21070 states to 21070 states and 30333 transitions. [2021-11-23 01:53:27,588 INFO L78 Accepts]: Start accepts. Automaton has 21070 states and 30333 transitions. Word has length 697 [2021-11-23 01:53:27,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 01:53:27,590 INFO L470 AbstractCegarLoop]: Abstraction has 21070 states and 30333 transitions. [2021-11-23 01:53:27,590 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, (77), 3 states have call predecessors, (77), 1 states have return successors, (75), 2 states have call predecessors, (75), 2 states have call successors, (75) [2021-11-23 01:53:27,591 INFO L276 IsEmpty]: Start isEmpty. Operand 21070 states and 30333 transitions. [2021-11-23 01:53:27,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 702 [2021-11-23 01:53:27,600 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 01:53:27,601 INFO L514 BasicCegarLoop]: trace histogram [66, 62, 62, 62, 62, 62, 62, 5, 5, 4, 3, 3, 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] [2021-11-23 01:53:27,601 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-23 01:53:27,601 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)] === [2021-11-23 01:53:27,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:53:27,603 INFO L85 PathProgramCache]: Analyzing trace with hash 397061547, now seen corresponding path program 1 times [2021-11-23 01:53:27,603 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 01:53:27,603 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414783481] [2021-11-23 01:53:27,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:53:27,603 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:27,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:28,652 INFO L134 CoverageAnalysis]: Checked inductivity of 15688 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 15682 trivial. 0 not checked. [2021-11-23 01:53:28,653 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 01:53:28,653 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414783481] [2021-11-23 01:53:28,653 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [414783481] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 01:53:28,653 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 01:53:28,654 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 01:53:28,654 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690249719] [2021-11-23 01:53:28,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 01:53:28,655 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-23 01:53:28,655 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 01:53:28,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 01:53:28,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-23 01:53:28,657 INFO L87 Difference]: Start difference. First operand 21070 states and 30333 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) [2021-11-23 01:53:34,415 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 [] [2021-11-23 01:53:34,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 01:53:34,849 INFO L93 Difference]: Finished difference Result 21070 states and 30333 transitions. [2021-11-23 01:53:34,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-23 01:53:34,850 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 701 [2021-11-23 01:53:34,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 01:53:34,933 INFO L225 Difference]: With dead ends: 21070 [2021-11-23 01:53:34,933 INFO L226 Difference]: Without dead ends: 20975 [2021-11-23 01:53:34,941 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 [2021-11-23 01:53:34,941 INFO L933 BasicCegarLoop]: 4714 mSDtfsCounter, 4921 mSDsluCounter, 10146 mSDsCounter, 0 mSdLazyCounter, 1095 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s 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, 5.6s IncrementalHoareTripleChecker+Time [2021-11-23 01:53:34,942 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4924 Valid, 14134 Invalid, 1097 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1095 Invalid, 1 Unknown, 0 Unchecked, 5.6s Time] [2021-11-23 01:53:34,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20975 states. [2021-11-23 01:53:35,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20975 to 20975. [2021-11-23 01:53:35,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20975 states, 13010 states have (on average 1.3737893927747886) internal successors, (17873), 16331 states have internal predecessors, (17873), 6151 states have call successors, (6151), 1817 states have call predecessors, (6151), 1812 states have return successors, (6151), 6124 states have call predecessors, (6151), 6151 states have call successors, (6151) [2021-11-23 01:53:36,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20975 states to 20975 states and 30175 transitions. [2021-11-23 01:53:36,019 INFO L78 Accepts]: Start accepts. Automaton has 20975 states and 30175 transitions. Word has length 701 [2021-11-23 01:53:36,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 01:53:36,020 INFO L470 AbstractCegarLoop]: Abstraction has 20975 states and 30175 transitions. [2021-11-23 01:53:36,020 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) [2021-11-23 01:53:36,021 INFO L276 IsEmpty]: Start isEmpty. Operand 20975 states and 30175 transitions. [2021-11-23 01:53:36,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 700 [2021-11-23 01:53:36,030 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 01:53:36,031 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] [2021-11-23 01:53:36,031 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-23 01:53:36,032 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)] === [2021-11-23 01:53:36,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:53:36,032 INFO L85 PathProgramCache]: Analyzing trace with hash -615976777, now seen corresponding path program 1 times [2021-11-23 01:53:36,033 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 01:53:36,033 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032914490] [2021-11-23 01:53:36,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:53:36,033 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:53:36,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:53:36,679 INFO L134 CoverageAnalysis]: Checked inductivity of 15396 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 15390 trivial. 0 not checked. [2021-11-23 01:53:36,679 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 01:53:36,679 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032914490] [2021-11-23 01:53:36,679 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2032914490] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 01:53:36,679 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 01:53:36,680 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 01:53:36,680 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355952616] [2021-11-23 01:53:36,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 01:53:36,681 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-23 01:53:36,681 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 01:53:36,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 01:53:36,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-11-23 01:53:36,682 INFO L87 Difference]: Start difference. First operand 20975 states and 30175 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) [2021-11-23 01:53:39,405 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 [] [2021-11-23 01:53:41,604 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 01:53:43,820 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-23 01:54:00,696 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 [] [2021-11-23 01:54:04,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 01:54:04,659 INFO L93 Difference]: Finished difference Result 70630 states and 101669 transitions. [2021-11-23 01:54:04,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-23 01:54:04,659 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 [2021-11-23 01:54:04,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 01:54:04,918 INFO L225 Difference]: With dead ends: 70630 [2021-11-23 01:54:04,919 INFO L226 Difference]: Without dead ends: 49780 [2021-11-23 01:54:04,995 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 [2021-11-23 01:54:04,998 INFO L933 BasicCegarLoop]: 12526 mSDtfsCounter, 9452 mSDsluCounter, 21074 mSDsCounter, 0 mSdLazyCounter, 8982 mSolverCounterSat, 174 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9624 SdHoareTripleChecker+Valid, 31786 SdHoareTripleChecker+Invalid, 9160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 174 IncrementalHoareTripleChecker+Valid, 8982 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.0s IncrementalHoareTripleChecker+Time [2021-11-23 01:54:04,999 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9624 Valid, 31786 Invalid, 9160 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [174 Valid, 8982 Invalid, 4 Unknown, 0 Unchecked, 26.0s Time] [2021-11-23 01:54:05,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49780 states. [2021-11-23 01:54:07,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49780 to 49738. [2021-11-23 01:54:07,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49738 states, 30832 states have (on average 1.3767514270887389) internal successors, (42448), 38834 states have internal predecessors, (42448), 14586 states have call successors, (14586), 4332 states have call predecessors, (14586), 4318 states have return successors, (14586), 14522 states have call predecessors, (14586), 14586 states have call successors, (14586) [2021-11-23 01:54:07,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49738 states to 49738 states and 71620 transitions. [2021-11-23 01:54:07,305 INFO L78 Accepts]: Start accepts. Automaton has 49738 states and 71620 transitions. Word has length 699 [2021-11-23 01:54:07,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 01:54:07,307 INFO L470 AbstractCegarLoop]: Abstraction has 49738 states and 71620 transitions. [2021-11-23 01:54:07,307 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) [2021-11-23 01:54:07,307 INFO L276 IsEmpty]: Start isEmpty. Operand 49738 states and 71620 transitions. [2021-11-23 01:54:07,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 722 [2021-11-23 01:54:07,327 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 01:54:07,328 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] [2021-11-23 01:54:07,328 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-23 01:54:07,329 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)] === [2021-11-23 01:54:07,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:54:07,329 INFO L85 PathProgramCache]: Analyzing trace with hash 1372358866, now seen corresponding path program 1 times [2021-11-23 01:54:07,330 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 01:54:07,330 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381171504] [2021-11-23 01:54:07,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:54:07,330 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:07,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:08,081 INFO L134 CoverageAnalysis]: Checked inductivity of 15802 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 15795 trivial. 0 not checked. [2021-11-23 01:54:08,082 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 01:54:08,082 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381171504] [2021-11-23 01:54:08,082 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1381171504] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 01:54:08,082 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 01:54:08,082 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 01:54:08,082 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904469306] [2021-11-23 01:54:08,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 01:54:08,084 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 01:54:08,084 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 01:54:08,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 01:54:08,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 01:54:08,084 INFO L87 Difference]: Start difference. First operand 49738 states and 71620 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) [2021-11-23 01:54:10,365 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 [] [2021-11-23 01:54:16,774 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 [] [2021-11-23 01:54:17,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 01:54:17,857 INFO L93 Difference]: Finished difference Result 116742 states and 168071 transitions. [2021-11-23 01:54:17,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 01:54:17,873 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 [2021-11-23 01:54:17,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 01:54:18,361 INFO L225 Difference]: With dead ends: 116742 [2021-11-23 01:54:18,361 INFO L226 Difference]: Without dead ends: 67186 [2021-11-23 01:54:18,578 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 01:54:18,579 INFO L933 BasicCegarLoop]: 6359 mSDtfsCounter, 4516 mSDsluCounter, 4878 mSDsCounter, 0 mSdLazyCounter, 917 mSolverCounterSat, 12 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4520 SdHoareTripleChecker+Valid, 10940 SdHoareTripleChecker+Invalid, 931 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 917 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.6s IncrementalHoareTripleChecker+Time [2021-11-23 01:54:18,580 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4520 Valid, 10940 Invalid, 931 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 917 Invalid, 2 Unknown, 0 Unchecked, 7.6s Time] [2021-11-23 01:54:18,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67186 states. [2021-11-23 01:54:21,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67186 to 67168. [2021-11-23 01:54:21,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67168 states, 41676 states have (on average 1.3752279489394377) internal successors, (57314), 52489 states have internal predecessors, (57314), 19625 states have call successors, (19625), 5884 states have call predecessors, (19625), 5865 states have return successors, (19625), 19526 states have call predecessors, (19625), 19625 states have call successors, (19625) [2021-11-23 01:54:21,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67168 states to 67168 states and 96564 transitions. [2021-11-23 01:54:21,736 INFO L78 Accepts]: Start accepts. Automaton has 67168 states and 96564 transitions. Word has length 721 [2021-11-23 01:54:21,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 01:54:21,737 INFO L470 AbstractCegarLoop]: Abstraction has 67168 states and 96564 transitions. [2021-11-23 01:54:21,737 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) [2021-11-23 01:54:21,737 INFO L276 IsEmpty]: Start isEmpty. Operand 67168 states and 96564 transitions. [2021-11-23 01:54:21,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 723 [2021-11-23 01:54:21,753 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 01:54:21,754 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] [2021-11-23 01:54:21,754 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-23 01:54:21,754 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)] === [2021-11-23 01:54:21,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:54:21,755 INFO L85 PathProgramCache]: Analyzing trace with hash -1084121238, now seen corresponding path program 1 times [2021-11-23 01:54:21,755 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 01:54:21,755 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111451290] [2021-11-23 01:54:21,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:54:21,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:21,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:22,203 INFO L134 CoverageAnalysis]: Checked inductivity of 15802 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 15795 trivial. 0 not checked. [2021-11-23 01:54:22,203 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 01:54:22,203 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1111451290] [2021-11-23 01:54:22,203 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1111451290] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 01:54:22,204 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 01:54:22,204 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 01:54:22,204 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439900697] [2021-11-23 01:54:22,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 01:54:22,205 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 01:54:22,205 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 01:54:22,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 01:54:22,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 01:54:22,206 INFO L87 Difference]: Start difference. First operand 67168 states and 96564 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) [2021-11-23 01:54:24,619 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 [] [2021-11-23 01:54:30,952 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 [] [2021-11-23 01:54:32,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 01:54:32,318 INFO L93 Difference]: Finished difference Result 153461 states and 220569 transitions. [2021-11-23 01:54:32,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 01:54:32,319 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 [2021-11-23 01:54:32,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 01:54:32,679 INFO L225 Difference]: With dead ends: 153461 [2021-11-23 01:54:32,680 INFO L226 Difference]: Without dead ends: 86475 [2021-11-23 01:54:32,888 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 01:54:32,889 INFO L933 BasicCegarLoop]: 6361 mSDtfsCounter, 4515 mSDsluCounter, 4878 mSDsCounter, 0 mSdLazyCounter, 920 mSolverCounterSat, 12 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s 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 [2021-11-23 01:54:32,889 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] [2021-11-23 01:54:32,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86475 states. [2021-11-23 01:54:36,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86475 to 86458. [2021-11-23 01:54:36,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86458 states, 53730 states have (on average 1.3727340405732364) internal successors, (73757), 67565 states have internal predecessors, (73757), 25151 states have call successors, (25151), 7599 states have call predecessors, (25151), 7575 states have return successors, (25151), 25002 states have call predecessors, (25151), 25151 states have call successors, (25151) [2021-11-23 01:54:36,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86458 states to 86458 states and 124059 transitions. [2021-11-23 01:54:36,773 INFO L78 Accepts]: Start accepts. Automaton has 86458 states and 124059 transitions. Word has length 722 [2021-11-23 01:54:36,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 01:54:36,774 INFO L470 AbstractCegarLoop]: Abstraction has 86458 states and 124059 transitions. [2021-11-23 01:54:36,774 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) [2021-11-23 01:54:36,774 INFO L276 IsEmpty]: Start isEmpty. Operand 86458 states and 124059 transitions. [2021-11-23 01:54:36,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 747 [2021-11-23 01:54:36,795 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 01:54:36,796 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] [2021-11-23 01:54:36,796 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-23 01:54:36,796 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)] === [2021-11-23 01:54:36,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:54:36,797 INFO L85 PathProgramCache]: Analyzing trace with hash 960277586, now seen corresponding path program 1 times [2021-11-23 01:54:36,797 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 01:54:36,797 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408711740] [2021-11-23 01:54:36,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 01:54:36,797 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:54:36,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:54:37,277 INFO L134 CoverageAnalysis]: Checked inductivity of 15822 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 15813 trivial. 0 not checked. [2021-11-23 01:54:37,277 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 01:54:37,277 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [408711740] [2021-11-23 01:54:37,277 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [408711740] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 01:54:37,278 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 01:54:37,278 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 01:54:37,278 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355947360] [2021-11-23 01:54:37,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 01:54:37,279 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 01:54:37,279 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 01:54:37,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 01:54:37,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 01:54:37,280 INFO L87 Difference]: Start difference. First operand 86458 states and 124059 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) [2021-11-23 01:54:39,524 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 [] [2021-11-23 01:54:46,637 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 [] [2021-11-23 01:54:49,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 01:54:49,186 INFO L93 Difference]: Finished difference Result 204824 states and 294052 transitions. [2021-11-23 01:54:49,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 01:54:49,187 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 [2021-11-23 01:54:49,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 01:54:49,718 INFO L225 Difference]: With dead ends: 204824 [2021-11-23 01:54:49,719 INFO L226 Difference]: Without dead ends: 118548 [2021-11-23 01:54:50,279 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 01:54:50,280 INFO L933 BasicCegarLoop]: 9092 mSDtfsCounter, 4757 mSDsluCounter, 4992 mSDsCounter, 0 mSdLazyCounter, 1090 mSolverCounterSat, 10 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s 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, 8.0s IncrementalHoareTripleChecker+Time [2021-11-23 01:54:50,280 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4763 Valid, 13739 Invalid, 1102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 1090 Invalid, 2 Unknown, 0 Unchecked, 8.0s Time] [2021-11-23 01:54:50,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118548 states.