./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-hostap-hostap.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6007fa06-12e6-4f0a-a27a-ebc1674f632b/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6007fa06-12e6-4f0a-a27a-ebc1674f632b/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6007fa06-12e6-4f0a-a27a-ebc1674f632b/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6007fa06-12e6-4f0a-a27a-ebc1674f632b/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-hostap-hostap.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6007fa06-12e6-4f0a-a27a-ebc1674f632b/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6007fa06-12e6-4f0a-a27a-ebc1674f632b/bin/utaipan-7li7fVZpFI --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 12455b091320c0c76d2c423624e0edbad1b12a5513b49fa74bc1ca77b9c1138d --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-03 01:44:41,595 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 01:44:41,597 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 01:44:41,638 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 01:44:41,638 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 01:44:41,643 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 01:44:41,645 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 01:44:41,649 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 01:44:41,651 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 01:44:41,662 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 01:44:41,663 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 01:44:41,664 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 01:44:41,665 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 01:44:41,667 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 01:44:41,668 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 01:44:41,670 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 01:44:41,672 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 01:44:41,673 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 01:44:41,675 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 01:44:41,676 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 01:44:41,682 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 01:44:41,684 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 01:44:41,685 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 01:44:41,687 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 01:44:41,690 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 01:44:41,694 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 01:44:41,694 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 01:44:41,696 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 01:44:41,696 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 01:44:41,697 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 01:44:41,698 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 01:44:41,699 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 01:44:41,701 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 01:44:41,702 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 01:44:41,703 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 01:44:41,704 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 01:44:41,704 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 01:44:41,705 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 01:44:41,705 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 01:44:41,706 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 01:44:41,707 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 01:44:41,708 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6007fa06-12e6-4f0a-a27a-ebc1674f632b/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 01:44:41,744 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 01:44:41,749 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 01:44:41,750 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 01:44:41,750 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 01:44:41,751 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 01:44:41,751 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 01:44:41,751 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 01:44:41,752 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 01:44:41,752 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 01:44:41,752 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 01:44:41,753 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 01:44:41,753 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 01:44:41,754 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 01:44:41,754 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 01:44:41,754 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 01:44:41,754 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 01:44:41,755 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 01:44:41,755 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 01:44:41,756 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 01:44:41,756 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 01:44:41,756 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 01:44:41,756 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 01:44:41,756 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 01:44:41,757 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 01:44:41,757 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 01:44:41,757 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 01:44:41,757 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 01:44:41,758 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 01:44:41,758 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 01:44:41,758 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 01:44:41,758 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 01:44:41,759 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 01:44:41,759 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 01:44:41,759 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 01:44:41,759 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 01:44:41,760 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 01:44:41,760 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 01:44:41,760 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 01:44:41,760 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6007fa06-12e6-4f0a-a27a-ebc1674f632b/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6007fa06-12e6-4f0a-a27a-ebc1674f632b/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 12455b091320c0c76d2c423624e0edbad1b12a5513b49fa74bc1ca77b9c1138d [2022-11-03 01:44:42,111 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 01:44:42,146 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 01:44:42,149 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 01:44:42,150 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 01:44:42,151 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 01:44:42,152 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6007fa06-12e6-4f0a-a27a-ebc1674f632b/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-hostap-hostap.cil.i [2022-11-03 01:44:42,229 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6007fa06-12e6-4f0a-a27a-ebc1674f632b/bin/utaipan-7li7fVZpFI/data/ac33fac50/db0e8317fcbc4459ad5582eb56f65a2a/FLAG2aac4072f [2022-11-03 01:44:43,619 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 01:44:43,620 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6007fa06-12e6-4f0a-a27a-ebc1674f632b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-hostap-hostap.cil.i [2022-11-03 01:44:43,712 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6007fa06-12e6-4f0a-a27a-ebc1674f632b/bin/utaipan-7li7fVZpFI/data/ac33fac50/db0e8317fcbc4459ad5582eb56f65a2a/FLAG2aac4072f [2022-11-03 01:44:44,130 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6007fa06-12e6-4f0a-a27a-ebc1674f632b/bin/utaipan-7li7fVZpFI/data/ac33fac50/db0e8317fcbc4459ad5582eb56f65a2a [2022-11-03 01:44:44,133 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 01:44:44,136 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 01:44:44,138 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 01:44:44,139 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 01:44:44,149 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 01:44:44,151 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:44:44" (1/1) ... [2022-11-03 01:44:44,152 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34d15c14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:44:44, skipping insertion in model container [2022-11-03 01:44:44,153 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:44:44" (1/1) ... [2022-11-03 01:44:44,160 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 01:44:44,459 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 01:44:55,782 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_6007fa06-12e6-4f0a-a27a-ebc1674f632b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-hostap-hostap.cil.i[892113,892126] [2022-11-03 01:44:55,786 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_6007fa06-12e6-4f0a-a27a-ebc1674f632b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-hostap-hostap.cil.i[892282,892295] [2022-11-03 01:44:55,786 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_6007fa06-12e6-4f0a-a27a-ebc1674f632b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-hostap-hostap.cil.i[892449,892462] [2022-11-03 01:44:55,787 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_6007fa06-12e6-4f0a-a27a-ebc1674f632b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-hostap-hostap.cil.i[892617,892630] [2022-11-03 01:44:55,829 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 01:44:55,958 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 01:44:57,716 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_6007fa06-12e6-4f0a-a27a-ebc1674f632b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-hostap-hostap.cil.i[892113,892126] [2022-11-03 01:44:57,716 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_6007fa06-12e6-4f0a-a27a-ebc1674f632b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-hostap-hostap.cil.i[892282,892295] [2022-11-03 01:44:57,717 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_6007fa06-12e6-4f0a-a27a-ebc1674f632b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-hostap-hostap.cil.i[892449,892462] [2022-11-03 01:44:57,718 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_6007fa06-12e6-4f0a-a27a-ebc1674f632b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-hostap-hostap.cil.i[892617,892630] [2022-11-03 01:44:57,729 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 01:44:58,229 INFO L208 MainTranslator]: Completed translation [2022-11-03 01:44:58,229 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:44:58 WrapperNode [2022-11-03 01:44:58,230 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 01:44:58,231 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 01:44:58,231 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 01:44:58,231 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 01:44:58,240 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:44:58" (1/1) ... [2022-11-03 01:44:58,533 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:44:58" (1/1) ... [2022-11-03 01:44:59,000 INFO L138 Inliner]: procedures = 926, calls = 10616, calls flagged for inlining = 465, calls inlined = 363, statements flattened = 15484 [2022-11-03 01:44:59,000 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 01:44:59,001 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 01:44:59,002 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 01:44:59,002 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 01:44:59,013 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:44:58" (1/1) ... [2022-11-03 01:44:59,013 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:44:58" (1/1) ... [2022-11-03 01:44:59,097 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:44:58" (1/1) ... [2022-11-03 01:44:59,098 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:44:58" (1/1) ... [2022-11-03 01:44:59,329 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:44:58" (1/1) ... [2022-11-03 01:44:59,367 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:44:58" (1/1) ... [2022-11-03 01:44:59,642 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:44:58" (1/1) ... [2022-11-03 01:44:59,712 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:44:58" (1/1) ... [2022-11-03 01:44:59,818 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 01:44:59,819 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 01:44:59,820 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 01:44:59,820 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 01:44:59,821 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:44:58" (1/1) ... [2022-11-03 01:44:59,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 01:44:59,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6007fa06-12e6-4f0a-a27a-ebc1674f632b/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 01:44:59,861 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6007fa06-12e6-4f0a-a27a-ebc1674f632b/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 01:44:59,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6007fa06-12e6-4f0a-a27a-ebc1674f632b/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 01:44:59,931 INFO L130 BoogieDeclarations]: Found specification of procedure hostap_free_data [2022-11-03 01:44:59,931 INFO L138 BoogieDeclarations]: Found implementation of procedure hostap_free_data [2022-11-03 01:44:59,932 INFO L130 BoogieDeclarations]: Found specification of procedure hostap_remove_interface [2022-11-03 01:44:59,932 INFO L138 BoogieDeclarations]: Found implementation of procedure hostap_remove_interface [2022-11-03 01:44:59,932 INFO L130 BoogieDeclarations]: Found specification of procedure prism2_ioctl_siwmode [2022-11-03 01:44:59,932 INFO L138 BoogieDeclarations]: Found implementation of procedure prism2_ioctl_siwmode [2022-11-03 01:44:59,933 INFO L130 BoogieDeclarations]: Found specification of procedure seq_puts [2022-11-03 01:44:59,933 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_puts [2022-11-03 01:44:59,933 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2022-11-03 01:44:59,933 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2022-11-03 01:44:59,933 INFO L130 BoogieDeclarations]: Found specification of procedure hostap_tx_callback_register [2022-11-03 01:44:59,934 INFO L138 BoogieDeclarations]: Found implementation of procedure hostap_tx_callback_register [2022-11-03 01:44:59,934 INFO L130 BoogieDeclarations]: Found specification of procedure seq_putc [2022-11-03 01:44:59,934 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_putc [2022-11-03 01:44:59,934 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u16~0~X~$Pointer$~X~int~X~int~TO~int [2022-11-03 01:44:59,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u16~0~X~$Pointer$~X~int~X~int~TO~int [2022-11-03 01:44:59,935 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-03 01:44:59,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-03 01:44:59,935 INFO L130 BoogieDeclarations]: Found specification of procedure prism2_stats_proc_open [2022-11-03 01:44:59,936 INFO L138 BoogieDeclarations]: Found implementation of procedure prism2_stats_proc_open [2022-11-03 01:44:59,936 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-11-03 01:44:59,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-11-03 01:44:59,936 INFO L130 BoogieDeclarations]: Found specification of procedure ap_get_sta [2022-11-03 01:44:59,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ap_get_sta [2022-11-03 01:44:59,937 INFO L130 BoogieDeclarations]: Found specification of procedure hostap_monitor_mode_enable [2022-11-03 01:44:59,937 INFO L138 BoogieDeclarations]: Found implementation of procedure hostap_monitor_mode_enable [2022-11-03 01:44:59,938 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2022-11-03 01:44:59,938 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2022-11-03 01:44:59,938 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-03 01:44:59,938 INFO L130 BoogieDeclarations]: Found specification of procedure PDE_DATA [2022-11-03 01:44:59,939 INFO L138 BoogieDeclarations]: Found implementation of procedure PDE_DATA [2022-11-03 01:44:59,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_60 [2022-11-03 01:44:59,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_60 [2022-11-03 01:44:59,940 INFO L130 BoogieDeclarations]: Found specification of procedure hostap_set_tim [2022-11-03 01:44:59,940 INFO L138 BoogieDeclarations]: Found implementation of procedure hostap_set_tim [2022-11-03 01:44:59,940 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-03 01:44:59,941 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-03 01:44:59,941 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-03 01:44:59,941 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-03 01:44:59,941 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-11-03 01:44:59,942 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-11-03 01:44:59,942 INFO L130 BoogieDeclarations]: Found specification of procedure prism2_sta_deauth [2022-11-03 01:44:59,943 INFO L138 BoogieDeclarations]: Found implementation of procedure prism2_sta_deauth [2022-11-03 01:44:59,944 INFO L130 BoogieDeclarations]: Found specification of procedure flush_work [2022-11-03 01:44:59,944 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_work [2022-11-03 01:44:59,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-03 01:44:59,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-03 01:44:59,945 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_unlock_bh [2022-11-03 01:44:59,945 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_unlock_bh [2022-11-03 01:44:59,945 INFO L130 BoogieDeclarations]: Found specification of procedure seq_open [2022-11-03 01:44:59,946 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_open [2022-11-03 01:44:59,946 INFO L130 BoogieDeclarations]: Found specification of procedure prism2_send_mgmt [2022-11-03 01:44:59,947 INFO L138 BoogieDeclarations]: Found implementation of procedure prism2_send_mgmt [2022-11-03 01:44:59,947 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 01:44:59,948 INFO L130 BoogieDeclarations]: Found specification of procedure ap_control_proc_open [2022-11-03 01:44:59,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ap_control_proc_open [2022-11-03 01:44:59,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-03 01:44:59,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-03 01:44:59,949 INFO L130 BoogieDeclarations]: Found specification of procedure prism2_wds_del [2022-11-03 01:44:59,949 INFO L138 BoogieDeclarations]: Found implementation of procedure prism2_wds_del [2022-11-03 01:44:59,949 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-11-03 01:44:59,950 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-11-03 01:44:59,950 INFO L130 BoogieDeclarations]: Found specification of procedure prism2_set_mac_address [2022-11-03 01:44:59,950 INFO L138 BoogieDeclarations]: Found implementation of procedure prism2_set_mac_address [2022-11-03 01:44:59,950 INFO L130 BoogieDeclarations]: Found specification of procedure hostap_handle_sta_release [2022-11-03 01:44:59,951 INFO L138 BoogieDeclarations]: Found implementation of procedure hostap_handle_sta_release [2022-11-03 01:44:59,952 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~$Pointer$~TO~int [2022-11-03 01:44:59,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~$Pointer$~TO~int [2022-11-03 01:44:59,952 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-03 01:44:59,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-03 01:44:59,953 INFO L130 BoogieDeclarations]: Found specification of procedure proc_create_data [2022-11-03 01:44:59,953 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_create_data [2022-11-03 01:44:59,953 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 01:44:59,953 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-03 01:44:59,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-03 01:44:59,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-03 01:44:59,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-03 01:44:59,955 INFO L130 BoogieDeclarations]: Found specification of procedure ap_control_flush_macs [2022-11-03 01:44:59,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ap_control_flush_macs [2022-11-03 01:44:59,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-11-03 01:44:59,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-11-03 01:44:59,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_sta_table_lock_of_ap_data [2022-11-03 01:44:59,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_sta_table_lock_of_ap_data [2022-11-03 01:44:59,957 INFO L130 BoogieDeclarations]: Found specification of procedure prism2_host_roaming [2022-11-03 01:44:59,957 INFO L138 BoogieDeclarations]: Found implementation of procedure prism2_host_roaming [2022-11-03 01:44:59,958 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-11-03 01:44:59,959 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-11-03 01:44:59,959 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_local_info [2022-11-03 01:44:59,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_local_info [2022-11-03 01:44:59,959 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 01:44:59,960 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-03 01:44:59,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-03 01:44:59,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 01:44:59,960 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-03 01:44:59,960 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-11-03 01:44:59,961 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-11-03 01:44:59,961 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-11-03 01:44:59,962 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-11-03 01:44:59,962 INFO L130 BoogieDeclarations]: Found specification of procedure prism2_get_drvinfo [2022-11-03 01:44:59,962 INFO L138 BoogieDeclarations]: Found implementation of procedure prism2_get_drvinfo [2022-11-03 01:44:59,962 INFO L130 BoogieDeclarations]: Found specification of procedure prism2_change_mtu [2022-11-03 01:44:59,962 INFO L138 BoogieDeclarations]: Found implementation of procedure prism2_change_mtu [2022-11-03 01:44:59,963 INFO L130 BoogieDeclarations]: Found specification of procedure hostap_deauth_all_stas [2022-11-03 01:44:59,964 INFO L138 BoogieDeclarations]: Found implementation of procedure hostap_deauth_all_stas [2022-11-03 01:44:59,964 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~$Pointer$ [2022-11-03 01:44:59,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~$Pointer$ [2022-11-03 01:44:59,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_sta_table_lock_of_ap_data [2022-11-03 01:44:59,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_sta_table_lock_of_ap_data [2022-11-03 01:44:59,968 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-03 01:44:59,969 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-03 01:45:00,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 01:45:00,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 01:45:00,055 INFO L130 BoogieDeclarations]: Found specification of procedure wireless_send_event [2022-11-03 01:45:00,055 INFO L138 BoogieDeclarations]: Found implementation of procedure wireless_send_event [2022-11-03 01:45:00,055 INFO L130 BoogieDeclarations]: Found specification of procedure prism2_crypt_proc_show [2022-11-03 01:45:00,055 INFO L138 BoogieDeclarations]: Found implementation of procedure prism2_crypt_proc_show [2022-11-03 01:45:00,055 INFO L130 BoogieDeclarations]: Found specification of procedure hostap_set_word [2022-11-03 01:45:00,055 INFO L138 BoogieDeclarations]: Found implementation of procedure hostap_set_word [2022-11-03 01:45:00,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-03 01:45:00,056 INFO L130 BoogieDeclarations]: Found specification of procedure hostap_add_sta [2022-11-03 01:45:00,056 INFO L138 BoogieDeclarations]: Found implementation of procedure hostap_add_sta [2022-11-03 01:45:00,056 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-03 01:45:00,056 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-03 01:45:00,056 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-03 01:45:00,056 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-03 01:45:00,056 INFO L130 BoogieDeclarations]: Found specification of procedure prism2_set_genericelement [2022-11-03 01:45:00,056 INFO L138 BoogieDeclarations]: Found implementation of procedure prism2_set_genericelement [2022-11-03 01:45:00,056 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_lock_bh [2022-11-03 01:45:00,056 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_lock_bh [2022-11-03 01:45:00,057 INFO L130 BoogieDeclarations]: Found specification of procedure hostap_set_roaming [2022-11-03 01:45:00,057 INFO L138 BoogieDeclarations]: Found implementation of procedure hostap_set_roaming [2022-11-03 01:45:00,057 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data [2022-11-03 01:45:00,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data [2022-11-03 01:45:00,057 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_network_header [2022-11-03 01:45:00,057 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_network_header [2022-11-03 01:45:00,057 INFO L130 BoogieDeclarations]: Found specification of procedure ap_debug_proc_open [2022-11-03 01:45:00,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ap_debug_proc_open [2022-11-03 01:45:00,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-03 01:45:00,057 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-03 01:45:00,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 01:45:00,058 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-03 01:45:00,058 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-03 01:45:00,058 INFO L130 BoogieDeclarations]: Found specification of procedure prism2_check_tx_rates [2022-11-03 01:45:00,058 INFO L138 BoogieDeclarations]: Found implementation of procedure prism2_check_tx_rates [2022-11-03 01:45:00,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 01:45:00,058 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-11-03 01:45:00,058 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-11-03 01:45:00,058 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_ctl [2022-11-03 01:45:00,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_ctl [2022-11-03 01:45:00,058 INFO L130 BoogieDeclarations]: Found specification of procedure prism2_ap_proc_show [2022-11-03 01:45:00,058 INFO L138 BoogieDeclarations]: Found implementation of procedure prism2_ap_proc_show [2022-11-03 01:45:00,059 INFO L130 BoogieDeclarations]: Found specification of procedure hostap_set_hostapd [2022-11-03 01:45:00,059 INFO L138 BoogieDeclarations]: Found implementation of procedure hostap_set_hostapd [2022-11-03 01:45:00,059 INFO L130 BoogieDeclarations]: Found specification of procedure prism2_bss_list_proc_show [2022-11-03 01:45:00,059 INFO L138 BoogieDeclarations]: Found implementation of procedure prism2_bss_list_proc_show [2022-11-03 01:45:00,059 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-03 01:45:00,059 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-03 01:45:00,059 INFO L130 BoogieDeclarations]: Found specification of procedure hostap_report_scan_complete [2022-11-03 01:45:00,059 INFO L138 BoogieDeclarations]: Found implementation of procedure hostap_report_scan_complete [2022-11-03 01:45:00,059 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-03 01:45:00,059 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-03 01:45:00,059 INFO L130 BoogieDeclarations]: Found specification of procedure ap_control_proc_stop [2022-11-03 01:45:00,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ap_control_proc_stop [2022-11-03 01:45:00,060 INFO L130 BoogieDeclarations]: Found specification of procedure hostap_get_porttype [2022-11-03 01:45:00,060 INFO L138 BoogieDeclarations]: Found implementation of procedure hostap_get_porttype [2022-11-03 01:45:00,060 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-03 01:45:00,060 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-03 01:45:00,060 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u16~0~X~~u16~0~X~$Pointer$~X~$Pointer$~TO~int [2022-11-03 01:45:00,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u16~0~X~~u16~0~X~$Pointer$~X~$Pointer$~TO~int [2022-11-03 01:45:00,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-03 01:45:00,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-03 01:45:00,060 INFO L130 BoogieDeclarations]: Found specification of procedure hostap_add_interface [2022-11-03 01:45:00,061 INFO L138 BoogieDeclarations]: Found implementation of procedure hostap_add_interface [2022-11-03 01:45:00,061 INFO L130 BoogieDeclarations]: Found specification of procedure prism2_update_comms_qual [2022-11-03 01:45:00,061 INFO L138 BoogieDeclarations]: Found implementation of procedure prism2_update_comms_qual [2022-11-03 01:45:00,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_107 [2022-11-03 01:45:00,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_107 [2022-11-03 01:45:00,061 INFO L130 BoogieDeclarations]: Found specification of procedure hostap_event_expired_sta [2022-11-03 01:45:00,061 INFO L138 BoogieDeclarations]: Found implementation of procedure hostap_event_expired_sta [2022-11-03 01:45:00,061 INFO L130 BoogieDeclarations]: Found specification of procedure ap_control_proc_start [2022-11-03 01:45:00,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ap_control_proc_start [2022-11-03 01:45:00,061 INFO L130 BoogieDeclarations]: Found specification of procedure prism2_wds_proc_show [2022-11-03 01:45:00,061 INFO L138 BoogieDeclarations]: Found implementation of procedure prism2_wds_proc_show [2022-11-03 01:45:00,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_61 [2022-11-03 01:45:00,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_61 [2022-11-03 01:45:00,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_74 [2022-11-03 01:45:00,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_74 [2022-11-03 01:45:00,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 01:45:00,062 INFO L130 BoogieDeclarations]: Found specification of procedure ap_free_sta [2022-11-03 01:45:00,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ap_free_sta [2022-11-03 01:45:00,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-03 01:45:00,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-03 01:45:00,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_62 [2022-11-03 01:45:00,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_62 [2022-11-03 01:45:00,063 INFO L130 BoogieDeclarations]: Found specification of procedure hostap_80211_header_parse [2022-11-03 01:45:00,063 INFO L138 BoogieDeclarations]: Found implementation of procedure hostap_80211_header_parse [2022-11-03 01:45:00,063 INFO L130 BoogieDeclarations]: Found specification of procedure ap_crypt_get_ptrs [2022-11-03 01:45:00,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ap_crypt_get_ptrs [2022-11-03 01:45:00,063 INFO L130 BoogieDeclarations]: Found specification of procedure hostap_wds_link_oper [2022-11-03 01:45:00,063 INFO L138 BoogieDeclarations]: Found implementation of procedure hostap_wds_link_oper [2022-11-03 01:45:00,063 INFO L130 BoogieDeclarations]: Found specification of procedure prism2_open [2022-11-03 01:45:00,063 INFO L138 BoogieDeclarations]: Found implementation of procedure prism2_open [2022-11-03 01:45:00,063 INFO L130 BoogieDeclarations]: Found specification of procedure prism2_scan_results_proc_show [2022-11-03 01:45:00,063 INFO L138 BoogieDeclarations]: Found implementation of procedure prism2_scan_results_proc_show [2022-11-03 01:45:00,064 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_equal [2022-11-03 01:45:00,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_equal [2022-11-03 01:45:00,064 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-11-03 01:45:00,064 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-11-03 01:45:00,064 INFO L130 BoogieDeclarations]: Found specification of procedure seq_list_start_head [2022-11-03 01:45:00,064 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_list_start_head [2022-11-03 01:45:00,064 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2022-11-03 01:45:00,064 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2022-11-03 01:45:00,064 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2022-11-03 01:45:00,064 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2022-11-03 01:45:00,064 INFO L130 BoogieDeclarations]: Found specification of procedure hostap_set_encryption [2022-11-03 01:45:00,065 INFO L138 BoogieDeclarations]: Found implementation of procedure hostap_set_encryption [2022-11-03 01:45:00,065 INFO L130 BoogieDeclarations]: Found specification of procedure dev_queue_xmit [2022-11-03 01:45:00,065 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_queue_xmit [2022-11-03 01:45:00,065 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-03 01:45:00,065 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-03 01:45:00,065 INFO L130 BoogieDeclarations]: Found specification of procedure prism2_wds_proc_stop [2022-11-03 01:45:00,065 INFO L138 BoogieDeclarations]: Found implementation of procedure prism2_wds_proc_stop [2022-11-03 01:45:00,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-03 01:45:00,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-03 01:45:00,065 INFO L130 BoogieDeclarations]: Found specification of procedure prism2_sta_proc_open [2022-11-03 01:45:00,065 INFO L138 BoogieDeclarations]: Found implementation of procedure prism2_sta_proc_open [2022-11-03 01:45:00,066 INFO L130 BoogieDeclarations]: Found specification of procedure hostap_80211_get_hdrlen [2022-11-03 01:45:00,066 INFO L138 BoogieDeclarations]: Found implementation of procedure hostap_80211_get_hdrlen [2022-11-03 01:45:00,066 INFO L130 BoogieDeclarations]: Found specification of procedure hostap_event_new_sta [2022-11-03 01:45:00,066 INFO L138 BoogieDeclarations]: Found implementation of procedure hostap_event_new_sta [2022-11-03 01:45:00,066 INFO L130 BoogieDeclarations]: Found specification of procedure eth_rebuild_header [2022-11-03 01:45:00,066 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_rebuild_header [2022-11-03 01:45:00,066 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-11-03 01:45:00,070 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-11-03 01:45:00,070 INFO L130 BoogieDeclarations]: Found specification of procedure prism2_wds_special_addr [2022-11-03 01:45:00,070 INFO L138 BoogieDeclarations]: Found implementation of procedure prism2_wds_special_addr [2022-11-03 01:45:00,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_60 [2022-11-03 01:45:00,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_60 [2022-11-03 01:45:00,071 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-03 01:45:00,071 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-03 01:45:00,071 INFO L130 BoogieDeclarations]: Found specification of procedure prism2_pda_proc_read [2022-11-03 01:45:00,071 INFO L138 BoogieDeclarations]: Found implementation of procedure prism2_pda_proc_read [2022-11-03 01:45:00,077 INFO L130 BoogieDeclarations]: Found specification of procedure ap_add_sta [2022-11-03 01:45:00,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ap_add_sta [2022-11-03 01:45:00,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-03 01:45:00,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-03 01:45:00,078 INFO L130 BoogieDeclarations]: Found specification of procedure remove_proc_entry [2022-11-03 01:45:00,078 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_proc_entry [2022-11-03 01:45:00,078 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-03 01:45:00,078 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-03 01:45:00,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-03 01:45:00,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-03 01:45:00,079 INFO L130 BoogieDeclarations]: Found specification of procedure hostap_ioctl [2022-11-03 01:45:00,079 INFO L138 BoogieDeclarations]: Found implementation of procedure hostap_ioctl [2022-11-03 01:45:00,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 01:45:00,079 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2022-11-03 01:45:00,079 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2022-11-03 01:45:00,079 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-11-03 01:45:00,080 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-11-03 01:45:00,080 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-03 01:45:00,080 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-03 01:45:00,080 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-03 01:45:00,080 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-03 01:45:00,080 INFO L130 BoogieDeclarations]: Found specification of procedure ap_sta_hash_del [2022-11-03 01:45:00,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ap_sta_hash_del [2022-11-03 01:45:00,081 INFO L130 BoogieDeclarations]: Found specification of procedure prism2_aux_dump_proc_no_read [2022-11-03 01:45:00,081 INFO L138 BoogieDeclarations]: Found implementation of procedure prism2_aux_dump_proc_no_read [2022-11-03 01:45:00,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-03 01:45:00,081 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-03 01:45:00,081 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-03 01:45:00,081 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-03 01:45:00,082 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-03 01:45:00,082 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2022-11-03 01:45:00,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2022-11-03 01:45:00,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-03 01:45:00,082 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_75 [2022-11-03 01:45:00,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_75 [2022-11-03 01:45:00,082 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-03 01:45:00,083 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-03 01:45:00,083 INFO L130 BoogieDeclarations]: Found specification of procedure prism2_debug_proc_open [2022-11-03 01:45:00,083 INFO L138 BoogieDeclarations]: Found implementation of procedure prism2_debug_proc_open [2022-11-03 01:45:00,083 INFO L130 BoogieDeclarations]: Found specification of procedure prism2_close [2022-11-03 01:45:00,083 INFO L138 BoogieDeclarations]: Found implementation of procedure prism2_close [2022-11-03 01:45:00,083 INFO L130 BoogieDeclarations]: Found specification of procedure lib80211_get_crypto_ops [2022-11-03 01:45:00,083 INFO L138 BoogieDeclarations]: Found implementation of procedure lib80211_get_crypto_ops [2022-11-03 01:45:00,084 INFO L130 BoogieDeclarations]: Found specification of procedure seq_lseek [2022-11-03 01:45:00,084 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_lseek [2022-11-03 01:45:00,084 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_seq_open [2022-11-03 01:45:00,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_seq_open [2022-11-03 01:45:00,084 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-03 01:45:00,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-03 01:45:00,084 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-03 01:45:00,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-03 01:45:00,085 INFO L130 BoogieDeclarations]: Found specification of procedure prism2_wds_add [2022-11-03 01:45:00,085 INFO L138 BoogieDeclarations]: Found implementation of procedure prism2_wds_add [2022-11-03 01:45:00,085 INFO L130 BoogieDeclarations]: Found specification of procedure hostap_set_multicast_list [2022-11-03 01:45:00,085 INFO L138 BoogieDeclarations]: Found implementation of procedure hostap_set_multicast_list [2022-11-03 01:45:00,085 INFO L130 BoogieDeclarations]: Found specification of procedure hostap_set_hostapd_sta [2022-11-03 01:45:00,086 INFO L138 BoogieDeclarations]: Found implementation of procedure hostap_set_hostapd_sta [2022-11-03 01:45:00,086 INFO L130 BoogieDeclarations]: Found specification of procedure prism2_bss_list_proc_stop [2022-11-03 01:45:00,086 INFO L138 BoogieDeclarations]: Found implementation of procedure prism2_bss_list_proc_stop [2022-11-03 01:45:00,086 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-11-03 01:45:00,086 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-11-03 01:45:00,086 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-03 01:45:00,086 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-03 01:45:00,087 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-03 01:45:00,088 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-03 01:45:00,088 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_63 [2022-11-03 01:45:00,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_63 [2022-11-03 01:45:00,089 INFO L130 BoogieDeclarations]: Found specification of procedure prism2_ap_proc_open [2022-11-03 01:45:00,089 INFO L138 BoogieDeclarations]: Found implementation of procedure prism2_ap_proc_open [2022-11-03 01:45:00,089 INFO L130 BoogieDeclarations]: Found specification of procedure prism2_stats_proc_show [2022-11-03 01:45:00,089 INFO L138 BoogieDeclarations]: Found implementation of procedure prism2_stats_proc_show [2022-11-03 01:45:00,089 INFO L130 BoogieDeclarations]: Found specification of procedure ap_control_proc_next [2022-11-03 01:45:00,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ap_control_proc_next [2022-11-03 01:45:00,090 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-11-03 01:45:00,090 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-11-03 01:45:00,090 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2022-11-03 01:45:00,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2022-11-03 01:45:00,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-03 01:45:00,090 INFO L130 BoogieDeclarations]: Found specification of procedure hostap_set_auth_algs [2022-11-03 01:45:00,090 INFO L138 BoogieDeclarations]: Found implementation of procedure hostap_set_auth_algs [2022-11-03 01:45:00,091 INFO L130 BoogieDeclarations]: Found specification of procedure prism2_debug_proc_show [2022-11-03 01:45:00,091 INFO L138 BoogieDeclarations]: Found implementation of procedure prism2_debug_proc_show [2022-11-03 01:45:00,091 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-03 01:45:00,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-03 01:45:00,091 INFO L130 BoogieDeclarations]: Found specification of procedure ap_control_kickall [2022-11-03 01:45:00,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ap_control_kickall [2022-11-03 01:45:00,092 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-03 01:45:00,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-03 01:45:00,092 INFO L130 BoogieDeclarations]: Found specification of procedure ap_tx_rate_ok [2022-11-03 01:45:00,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ap_tx_rate_ok [2022-11-03 01:45:00,092 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2022-11-03 01:45:00,092 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2022-11-03 01:45:00,093 INFO L130 BoogieDeclarations]: Found specification of procedure hostap_set_antsel [2022-11-03 01:45:00,093 INFO L138 BoogieDeclarations]: Found implementation of procedure hostap_set_antsel [2022-11-03 01:45:00,093 INFO L130 BoogieDeclarations]: Found specification of procedure is_broadcast_ether_addr [2022-11-03 01:45:00,093 INFO L138 BoogieDeclarations]: Found implementation of procedure is_broadcast_ether_addr [2022-11-03 01:45:00,093 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_hostap_exit_35_2 [2022-11-03 01:45:00,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_hostap_exit_35_2 [2022-11-03 01:45:00,093 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-03 01:45:00,094 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-03 01:45:00,094 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-03 01:45:00,094 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-03 01:45:00,094 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-11-03 01:45:00,094 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-11-03 01:45:00,094 INFO L130 BoogieDeclarations]: Found specification of procedure prism2_scan_results_proc_stop [2022-11-03 01:45:00,095 INFO L138 BoogieDeclarations]: Found implementation of procedure prism2_scan_results_proc_stop [2022-11-03 01:45:00,095 INFO L130 BoogieDeclarations]: Found specification of procedure proc_mkdir [2022-11-03 01:45:00,095 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_mkdir [2022-11-03 01:45:00,095 INFO L130 BoogieDeclarations]: Found specification of procedure hostap_monitor_set_type [2022-11-03 01:45:00,095 INFO L138 BoogieDeclarations]: Found implementation of procedure hostap_monitor_set_type [2022-11-03 01:45:00,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_local_info [2022-11-03 01:45:00,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_local_info [2022-11-03 01:45:00,096 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2022-11-03 01:45:00,096 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2022-11-03 01:45:00,096 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-11-03 01:45:00,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-11-03 01:45:00,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 01:45:00,097 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u16~0~X~$Pointer$~X~int~TO~int [2022-11-03 01:45:00,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u16~0~X~$Pointer$~X~int~TO~int [2022-11-03 01:45:00,102 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-03 01:45:00,102 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-03 01:45:00,102 INFO L130 BoogieDeclarations]: Found specification of procedure try_module_get [2022-11-03 01:45:00,102 INFO L138 BoogieDeclarations]: Found implementation of procedure try_module_get [2022-11-03 01:45:00,102 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-11-03 01:45:00,102 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-11-03 01:45:00,103 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-03 01:45:00,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-03 01:45:00,104 INFO L130 BoogieDeclarations]: Found specification of procedure lib80211_crypt_delayed_deinit [2022-11-03 01:45:00,104 INFO L138 BoogieDeclarations]: Found implementation of procedure lib80211_crypt_delayed_deinit [2022-11-03 01:45:00,105 INFO L130 BoogieDeclarations]: Found specification of procedure prism2_bss_list_proc_open [2022-11-03 01:45:00,105 INFO L138 BoogieDeclarations]: Found implementation of procedure prism2_bss_list_proc_open [2022-11-03 01:45:00,105 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-03 01:45:00,105 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-03 01:45:00,105 INFO L130 BoogieDeclarations]: Found specification of procedure single_open [2022-11-03 01:45:00,105 INFO L138 BoogieDeclarations]: Found implementation of procedure single_open [2022-11-03 01:45:00,106 INFO L130 BoogieDeclarations]: Found specification of procedure seq_list_next [2022-11-03 01:45:00,106 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_list_next [2022-11-03 01:45:00,106 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-03 01:45:00,106 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-03 01:45:00,106 INFO L130 BoogieDeclarations]: Found specification of procedure prism2_tx_timeout [2022-11-03 01:45:00,106 INFO L138 BoogieDeclarations]: Found implementation of procedure prism2_tx_timeout [2022-11-03 01:45:00,107 INFO L130 BoogieDeclarations]: Found specification of procedure prism2_crypt_proc_open [2022-11-03 01:45:00,107 INFO L138 BoogieDeclarations]: Found implementation of procedure prism2_crypt_proc_open [2022-11-03 01:45:00,107 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2022-11-03 01:45:00,107 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2022-11-03 01:45:00,107 INFO L130 BoogieDeclarations]: Found specification of procedure prism2_scan_results_proc_open [2022-11-03 01:45:00,107 INFO L138 BoogieDeclarations]: Found implementation of procedure prism2_scan_results_proc_open [2022-11-03 01:45:00,107 INFO L130 BoogieDeclarations]: Found specification of procedure seq_release [2022-11-03 01:45:00,108 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_release [2022-11-03 01:45:00,108 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2022-11-03 01:45:00,108 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2022-11-03 01:45:00,108 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-11-03 01:45:00,108 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-11-03 01:45:00,108 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-03 01:45:00,109 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-03 01:45:00,109 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_108 [2022-11-03 01:45:00,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_108 [2022-11-03 01:45:00,109 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2022-11-03 01:45:00,109 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2022-11-03 01:45:00,109 INFO L130 BoogieDeclarations]: Found specification of procedure prism2_ap_proc_stop [2022-11-03 01:45:00,109 INFO L138 BoogieDeclarations]: Found implementation of procedure prism2_ap_proc_stop [2022-11-03 01:45:00,110 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-03 01:45:00,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-03 01:45:00,110 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-11-03 01:45:00,110 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-11-03 01:45:00,110 INFO L130 BoogieDeclarations]: Found specification of procedure ap_debug_proc_show [2022-11-03 01:45:00,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ap_debug_proc_show [2022-11-03 01:45:00,111 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-03 01:45:00,111 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-03 01:45:00,111 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-03 01:45:00,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-03 01:45:00,111 INFO L130 BoogieDeclarations]: Found specification of procedure prism2_wds_proc_open [2022-11-03 01:45:00,111 INFO L138 BoogieDeclarations]: Found implementation of procedure prism2_wds_proc_open [2022-11-03 01:45:00,111 INFO L130 BoogieDeclarations]: Found specification of procedure prism2_sta_send_mgmt [2022-11-03 01:45:00,112 INFO L138 BoogieDeclarations]: Found implementation of procedure prism2_sta_send_mgmt [2022-11-03 01:45:00,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 01:45:00,112 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-11-03 01:45:00,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-11-03 01:45:00,112 INFO L130 BoogieDeclarations]: Found specification of procedure prism2_request_hostscan [2022-11-03 01:45:00,112 INFO L138 BoogieDeclarations]: Found implementation of procedure prism2_request_hostscan [2022-11-03 01:45:00,113 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-03 01:45:00,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-03 01:45:00,113 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-11-03 01:45:00,113 INFO L130 BoogieDeclarations]: Found specification of procedure prism2_sta_proc_show [2022-11-03 01:45:00,113 INFO L138 BoogieDeclarations]: Found implementation of procedure prism2_sta_proc_show [2022-11-03 01:45:02,413 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 01:45:02,419 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 01:45:02,987 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-03 01:45:32,277 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-03 01:45:32,883 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 01:45:38,939 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 01:45:38,939 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-03 01:45:38,951 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:45:38 BoogieIcfgContainer [2022-11-03 01:45:38,951 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 01:45:38,953 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 01:45:38,953 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 01:45:38,958 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 01:45:38,958 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 01:44:44" (1/3) ... [2022-11-03 01:45:38,959 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fa155b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:45:38, skipping insertion in model container [2022-11-03 01:45:38,959 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:44:58" (2/3) ... [2022-11-03 01:45:38,959 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fa155b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:45:38, skipping insertion in model container [2022-11-03 01:45:38,959 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:45:38" (3/3) ... [2022-11-03 01:45:38,960 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-hostap-hostap.cil.i [2022-11-03 01:45:38,977 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 01:45:38,977 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-11-03 01:45:39,114 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 01:45:39,122 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7715c99f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 01:45:39,122 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-11-03 01:45:39,138 INFO L276 IsEmpty]: Start isEmpty. Operand has 3781 states, 2286 states have (on average 1.3433945756780403) internal successors, (3071), 2322 states have internal predecessors, (3071), 1289 states have call successors, (1289), 204 states have call predecessors, (1289), 203 states have return successors, (1280), 1271 states have call predecessors, (1280), 1280 states have call successors, (1280) [2022-11-03 01:45:39,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1458 [2022-11-03 01:45:39,244 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:45:39,245 INFO L195 NwaCegarLoop]: trace histogram [145, 144, 144, 144, 144, 144, 144, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:45:39,246 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-03 01:45:39,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:45:39,252 INFO L85 PathProgramCache]: Analyzing trace with hash -265850540, now seen corresponding path program 1 times [2022-11-03 01:45:39,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:45:39,263 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106651796] [2022-11-03 01:45:39,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:45:39,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:45:40,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:45:44,090 INFO L134 CoverageAnalysis]: Checked inductivity of 82656 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 82656 trivial. 0 not checked. [2022-11-03 01:45:44,091 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:45:44,092 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106651796] [2022-11-03 01:45:44,092 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2106651796] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:45:44,093 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:45:44,093 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 01:45:44,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493055648] [2022-11-03 01:45:44,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:45:44,104 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:45:44,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:45:44,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:45:44,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:45:44,157 INFO L87 Difference]: Start difference. First operand has 3781 states, 2286 states have (on average 1.3433945756780403) internal successors, (3071), 2322 states have internal predecessors, (3071), 1289 states have call successors, (1289), 204 states have call predecessors, (1289), 203 states have return successors, (1280), 1271 states have call predecessors, (1280), 1280 states have call successors, (1280) Second operand has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 3 states have call successors, (149), 2 states have call predecessors, (149), 1 states have return successors, (147), 3 states have call predecessors, (147), 3 states have call successors, (147) [2022-11-03 01:45:47,284 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:45:53,586 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:45:57,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:45:57,052 INFO L93 Difference]: Finished difference Result 10670 states and 16203 transitions. [2022-11-03 01:45:57,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:45:57,056 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 3 states have call successors, (149), 2 states have call predecessors, (149), 1 states have return successors, (147), 3 states have call predecessors, (147), 3 states have call successors, (147) Word has length 1457 [2022-11-03 01:45:57,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:45:57,120 INFO L225 Difference]: With dead ends: 10670 [2022-11-03 01:45:57,120 INFO L226 Difference]: Without dead ends: 7164 [2022-11-03 01:45:57,145 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:45:57,150 INFO L413 NwaCegarLoop]: 6005 mSDtfsCounter, 5075 mSDsluCounter, 5570 mSDsCounter, 0 mSdLazyCounter, 1486 mSolverCounterSat, 16 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5081 SdHoareTripleChecker+Valid, 10873 SdHoareTripleChecker+Invalid, 1504 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 1486 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.2s IncrementalHoareTripleChecker+Time [2022-11-03 01:45:57,156 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5081 Valid, 10873 Invalid, 1504 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [16 Valid, 1486 Invalid, 2 Unknown, 0 Unchecked, 12.2s Time] [2022-11-03 01:45:57,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7164 states. [2022-11-03 01:45:57,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7164 to 7159. [2022-11-03 01:45:57,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7159 states, 4376 states have (on average 1.34963436928702) internal successors, (5906), 4446 states have internal predecessors, (5906), 2378 states have call successors, (2378), 403 states have call predecessors, (2378), 402 states have return successors, (2380), 2355 states have call predecessors, (2380), 2374 states have call successors, (2380) [2022-11-03 01:45:57,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7159 states to 7159 states and 10664 transitions. [2022-11-03 01:45:57,922 INFO L78 Accepts]: Start accepts. Automaton has 7159 states and 10664 transitions. Word has length 1457 [2022-11-03 01:45:57,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:45:57,933 INFO L495 AbstractCegarLoop]: Abstraction has 7159 states and 10664 transitions. [2022-11-03 01:45:57,934 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 3 states have call successors, (149), 2 states have call predecessors, (149), 1 states have return successors, (147), 3 states have call predecessors, (147), 3 states have call successors, (147) [2022-11-03 01:45:57,934 INFO L276 IsEmpty]: Start isEmpty. Operand 7159 states and 10664 transitions. [2022-11-03 01:45:58,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1476 [2022-11-03 01:45:58,052 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:45:58,052 INFO L195 NwaCegarLoop]: trace histogram [145, 144, 144, 144, 144, 144, 144, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:45:58,053 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 01:45:58,054 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-03 01:45:58,055 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:45:58,055 INFO L85 PathProgramCache]: Analyzing trace with hash 1910551608, now seen corresponding path program 1 times [2022-11-03 01:45:58,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:45:58,056 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159183106] [2022-11-03 01:45:58,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:45:58,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:45:58,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:46:01,012 INFO L134 CoverageAnalysis]: Checked inductivity of 82656 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 82656 trivial. 0 not checked. [2022-11-03 01:46:01,012 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:46:01,012 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159183106] [2022-11-03 01:46:01,013 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [159183106] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:46:01,013 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:46:01,013 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 01:46:01,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909265021] [2022-11-03 01:46:01,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:46:01,017 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:46:01,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:46:01,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:46:01,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:46:01,019 INFO L87 Difference]: Start difference. First operand 7159 states and 10664 transitions. Second operand has 3 states, 3 states have (on average 58.0) internal successors, (174), 3 states have internal predecessors, (174), 3 states have call successors, (153), 2 states have call predecessors, (153), 1 states have return successors, (146), 2 states have call predecessors, (146), 2 states have call successors, (146) [2022-11-03 01:46:04,176 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:46:09,942 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:46:13,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:46:13,817 INFO L93 Difference]: Finished difference Result 17400 states and 25901 transitions. [2022-11-03 01:46:13,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:46:13,819 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 58.0) internal successors, (174), 3 states have internal predecessors, (174), 3 states have call successors, (153), 2 states have call predecessors, (153), 1 states have return successors, (146), 2 states have call predecessors, (146), 2 states have call successors, (146) Word has length 1475 [2022-11-03 01:46:13,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:46:13,913 INFO L225 Difference]: With dead ends: 17400 [2022-11-03 01:46:13,913 INFO L226 Difference]: Without dead ends: 10530 [2022-11-03 01:46:13,962 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:46:13,963 INFO L413 NwaCegarLoop]: 5989 mSDtfsCounter, 5049 mSDsluCounter, 5563 mSDsCounter, 0 mSdLazyCounter, 1482 mSolverCounterSat, 13 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5055 SdHoareTripleChecker+Valid, 10842 SdHoareTripleChecker+Invalid, 1497 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1482 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.0s IncrementalHoareTripleChecker+Time [2022-11-03 01:46:13,964 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5055 Valid, 10842 Invalid, 1497 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [13 Valid, 1482 Invalid, 2 Unknown, 0 Unchecked, 12.0s Time] [2022-11-03 01:46:13,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10530 states. [2022-11-03 01:46:14,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10530 to 10500. [2022-11-03 01:46:14,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10500 states, 6444 states have (on average 1.3522656734947238) internal successors, (8714), 6552 states have internal predecessors, (8714), 3444 states have call successors, (3444), 610 states have call predecessors, (3444), 609 states have return successors, (3452), 3406 states have call predecessors, (3452), 3440 states have call successors, (3452) [2022-11-03 01:46:15,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10500 states to 10500 states and 15610 transitions. [2022-11-03 01:46:15,016 INFO L78 Accepts]: Start accepts. Automaton has 10500 states and 15610 transitions. Word has length 1475 [2022-11-03 01:46:15,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:46:15,020 INFO L495 AbstractCegarLoop]: Abstraction has 10500 states and 15610 transitions. [2022-11-03 01:46:15,021 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.0) internal successors, (174), 3 states have internal predecessors, (174), 3 states have call successors, (153), 2 states have call predecessors, (153), 1 states have return successors, (146), 2 states have call predecessors, (146), 2 states have call successors, (146) [2022-11-03 01:46:15,021 INFO L276 IsEmpty]: Start isEmpty. Operand 10500 states and 15610 transitions. [2022-11-03 01:46:15,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1474 [2022-11-03 01:46:15,065 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:46:15,066 INFO L195 NwaCegarLoop]: trace histogram [145, 144, 144, 144, 144, 144, 144, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:46:15,066 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 01:46:15,067 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-03 01:46:15,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:46:15,069 INFO L85 PathProgramCache]: Analyzing trace with hash 853430129, now seen corresponding path program 1 times [2022-11-03 01:46:15,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:46:15,071 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880111909] [2022-11-03 01:46:15,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:46:15,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:46:15,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:46:17,391 INFO L134 CoverageAnalysis]: Checked inductivity of 82656 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 82656 trivial. 0 not checked. [2022-11-03 01:46:17,391 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:46:17,392 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880111909] [2022-11-03 01:46:17,392 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1880111909] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:46:17,392 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:46:17,392 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 01:46:17,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892334684] [2022-11-03 01:46:17,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:46:17,395 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:46:17,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:46:17,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:46:17,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:46:17,396 INFO L87 Difference]: Start difference. First operand 10500 states and 15610 transitions. Second operand has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 3 states have call successors, (149), 2 states have call predecessors, (149), 1 states have return successors, (146), 2 states have call predecessors, (146), 2 states have call successors, (146) [2022-11-03 01:46:20,381 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:46:24,414 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:46:28,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:46:28,701 INFO L93 Difference]: Finished difference Result 30853 states and 45922 transitions. [2022-11-03 01:46:28,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:46:28,702 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 3 states have call successors, (149), 2 states have call predecessors, (149), 1 states have return successors, (146), 2 states have call predecessors, (146), 2 states have call successors, (146) Word has length 1473 [2022-11-03 01:46:28,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:46:28,844 INFO L225 Difference]: With dead ends: 30853 [2022-11-03 01:46:28,845 INFO L226 Difference]: Without dead ends: 20642 [2022-11-03 01:46:28,901 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:46:28,902 INFO L413 NwaCegarLoop]: 6062 mSDtfsCounter, 5099 mSDsluCounter, 5593 mSDsCounter, 0 mSdLazyCounter, 1490 mSolverCounterSat, 11 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5105 SdHoareTripleChecker+Valid, 10950 SdHoareTripleChecker+Invalid, 1503 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1490 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.6s IncrementalHoareTripleChecker+Time [2022-11-03 01:46:28,902 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5105 Valid, 10950 Invalid, 1503 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1490 Invalid, 2 Unknown, 0 Unchecked, 10.6s Time] [2022-11-03 01:46:28,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20642 states. [2022-11-03 01:46:30,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20642 to 20612. [2022-11-03 01:46:30,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20612 states, 12702 states have (on average 1.3549047394111164) internal successors, (17210), 12919 states have internal predecessors, (17210), 6690 states have call successors, (6690), 1218 states have call predecessors, (6690), 1217 states have return successors, (6775), 6612 states have call predecessors, (6775), 6686 states have call successors, (6775) [2022-11-03 01:46:30,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20612 states to 20612 states and 30675 transitions. [2022-11-03 01:46:30,360 INFO L78 Accepts]: Start accepts. Automaton has 20612 states and 30675 transitions. Word has length 1473 [2022-11-03 01:46:30,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:46:30,363 INFO L495 AbstractCegarLoop]: Abstraction has 20612 states and 30675 transitions. [2022-11-03 01:46:30,364 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 3 states have call successors, (149), 2 states have call predecessors, (149), 1 states have return successors, (146), 2 states have call predecessors, (146), 2 states have call successors, (146) [2022-11-03 01:46:30,364 INFO L276 IsEmpty]: Start isEmpty. Operand 20612 states and 30675 transitions. [2022-11-03 01:46:30,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1474 [2022-11-03 01:46:30,391 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:46:30,392 INFO L195 NwaCegarLoop]: trace histogram [145, 144, 144, 144, 144, 144, 144, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:46:30,393 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 01:46:30,393 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-03 01:46:30,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:46:30,394 INFO L85 PathProgramCache]: Analyzing trace with hash 797022028, now seen corresponding path program 1 times [2022-11-03 01:46:30,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:46:30,394 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161656360] [2022-11-03 01:46:30,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:46:30,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:46:30,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:46:32,601 INFO L134 CoverageAnalysis]: Checked inductivity of 82656 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 82656 trivial. 0 not checked. [2022-11-03 01:46:32,602 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:46:32,602 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1161656360] [2022-11-03 01:46:32,602 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1161656360] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:46:32,602 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:46:32,603 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 01:46:32,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251617458] [2022-11-03 01:46:32,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:46:32,604 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:46:32,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:46:32,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:46:32,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:46:32,605 INFO L87 Difference]: Start difference. First operand 20612 states and 30675 transitions. Second operand has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 3 states have call successors, (149), 2 states have call predecessors, (149), 1 states have return successors, (146), 2 states have call predecessors, (146), 2 states have call successors, (146) [2022-11-03 01:46:35,455 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:46:39,640 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:46:44,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:46:44,285 INFO L93 Difference]: Finished difference Result 61135 states and 91092 transitions. [2022-11-03 01:46:44,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:46:44,286 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 3 states have call successors, (149), 2 states have call predecessors, (149), 1 states have return successors, (146), 2 states have call predecessors, (146), 2 states have call successors, (146) Word has length 1473 [2022-11-03 01:46:44,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:46:44,517 INFO L225 Difference]: With dead ends: 61135 [2022-11-03 01:46:44,518 INFO L226 Difference]: Without dead ends: 40812 [2022-11-03 01:46:44,591 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:46:44,592 INFO L413 NwaCegarLoop]: 6008 mSDtfsCounter, 5103 mSDsluCounter, 5593 mSDsCounter, 0 mSdLazyCounter, 1469 mSolverCounterSat, 11 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5109 SdHoareTripleChecker+Valid, 10896 SdHoareTripleChecker+Invalid, 1482 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1469 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.4s IncrementalHoareTripleChecker+Time [2022-11-03 01:46:44,592 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5109 Valid, 10896 Invalid, 1482 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1469 Invalid, 2 Unknown, 0 Unchecked, 10.4s Time] [2022-11-03 01:46:44,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40812 states. [2022-11-03 01:46:47,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40812 to 40776. [2022-11-03 01:46:47,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40776 states, 25188 states have (on average 1.3554867397173258) internal successors, (34142), 25623 states have internal predecessors, (34142), 13152 states have call successors, (13152), 2434 states have call predecessors, (13152), 2433 states have return successors, (13450), 12994 states have call predecessors, (13450), 13148 states have call successors, (13450) [2022-11-03 01:46:47,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40776 states to 40776 states and 60744 transitions. [2022-11-03 01:46:47,623 INFO L78 Accepts]: Start accepts. Automaton has 40776 states and 60744 transitions. Word has length 1473 [2022-11-03 01:46:47,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:46:47,625 INFO L495 AbstractCegarLoop]: Abstraction has 40776 states and 60744 transitions. [2022-11-03 01:46:47,625 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.666666666666664) internal successors, (176), 3 states have internal predecessors, (176), 3 states have call successors, (149), 2 states have call predecessors, (149), 1 states have return successors, (146), 2 states have call predecessors, (146), 2 states have call successors, (146) [2022-11-03 01:46:47,626 INFO L276 IsEmpty]: Start isEmpty. Operand 40776 states and 60744 transitions. [2022-11-03 01:46:47,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1475 [2022-11-03 01:46:47,667 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:46:47,667 INFO L195 NwaCegarLoop]: trace histogram [145, 144, 144, 144, 144, 144, 144, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:46:47,668 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-03 01:46:47,668 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-03 01:46:47,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:46:47,669 INFO L85 PathProgramCache]: Analyzing trace with hash 538078206, now seen corresponding path program 1 times [2022-11-03 01:46:47,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:46:47,671 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467184513] [2022-11-03 01:46:47,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:46:47,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:46:48,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:46:49,953 INFO L134 CoverageAnalysis]: Checked inductivity of 82656 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 82656 trivial. 0 not checked. [2022-11-03 01:46:49,953 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:46:49,953 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467184513] [2022-11-03 01:46:49,953 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [467184513] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:46:49,954 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:46:49,954 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 01:46:49,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650635854] [2022-11-03 01:46:49,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:46:49,956 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:46:49,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:46:49,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:46:49,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:46:49,957 INFO L87 Difference]: Start difference. First operand 40776 states and 60744 transitions. Second operand has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 3 states have call successors, (149), 2 states have call predecessors, (149), 1 states have return successors, (146), 2 states have call predecessors, (146), 2 states have call successors, (146) [2022-11-03 01:46:52,874 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:46:56,912 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:47:03,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:47:03,385 INFO L93 Difference]: Finished difference Result 121483 states and 181195 transitions. [2022-11-03 01:47:03,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:47:03,386 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 3 states have call successors, (149), 2 states have call predecessors, (149), 1 states have return successors, (146), 2 states have call predecessors, (146), 2 states have call successors, (146) Word has length 1474 [2022-11-03 01:47:03,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:47:04,070 INFO L225 Difference]: With dead ends: 121483 [2022-11-03 01:47:04,070 INFO L226 Difference]: Without dead ends: 80996 [2022-11-03 01:47:04,228 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:47:04,230 INFO L413 NwaCegarLoop]: 6007 mSDtfsCounter, 5098 mSDsluCounter, 5593 mSDsCounter, 0 mSdLazyCounter, 1469 mSolverCounterSat, 11 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5104 SdHoareTripleChecker+Valid, 10895 SdHoareTripleChecker+Invalid, 1482 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1469 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.5s IncrementalHoareTripleChecker+Time [2022-11-03 01:47:04,230 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5104 Valid, 10895 Invalid, 1482 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1469 Invalid, 2 Unknown, 0 Unchecked, 10.5s Time] [2022-11-03 01:47:04,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80996 states. [2022-11-03 01:47:08,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80996 to 80966. [2022-11-03 01:47:08,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80966 states, 50100 states have (on average 1.3550099800399202) internal successors, (67886), 50971 states have internal predecessors, (67886), 25998 states have call successors, (25998), 4866 states have call predecessors, (25998), 4865 states have return successors, (26840), 25680 states have call predecessors, (26840), 25994 states have call successors, (26840) [2022-11-03 01:47:09,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80966 states to 80966 states and 120724 transitions. [2022-11-03 01:47:09,774 INFO L78 Accepts]: Start accepts. Automaton has 80966 states and 120724 transitions. Word has length 1474 [2022-11-03 01:47:09,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:47:09,776 INFO L495 AbstractCegarLoop]: Abstraction has 80966 states and 120724 transitions. [2022-11-03 01:47:09,776 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.0) internal successors, (177), 3 states have internal predecessors, (177), 3 states have call successors, (149), 2 states have call predecessors, (149), 1 states have return successors, (146), 2 states have call predecessors, (146), 2 states have call successors, (146) [2022-11-03 01:47:09,776 INFO L276 IsEmpty]: Start isEmpty. Operand 80966 states and 120724 transitions. [2022-11-03 01:47:09,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1476 [2022-11-03 01:47:09,804 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:47:09,805 INFO L195 NwaCegarLoop]: trace histogram [145, 144, 144, 144, 144, 144, 144, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:47:09,805 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-03 01:47:09,806 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-03 01:47:09,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:47:09,806 INFO L85 PathProgramCache]: Analyzing trace with hash 1277320953, now seen corresponding path program 1 times [2022-11-03 01:47:09,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:47:09,807 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292857538] [2022-11-03 01:47:09,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:47:09,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:47:10,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:47:11,668 INFO L134 CoverageAnalysis]: Checked inductivity of 82656 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 82656 trivial. 0 not checked. [2022-11-03 01:47:11,668 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:47:11,669 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292857538] [2022-11-03 01:47:11,669 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [292857538] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:47:11,669 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:47:11,669 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 01:47:11,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031782870] [2022-11-03 01:47:11,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:47:11,671 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:47:11,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:47:11,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:47:11,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:47:11,673 INFO L87 Difference]: Start difference. First operand 80966 states and 120724 transitions. Second operand has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 3 states have call successors, (149), 2 states have call predecessors, (149), 1 states have return successors, (146), 2 states have call predecessors, (146), 2 states have call successors, (146) [2022-11-03 01:47:14,511 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:47:18,811 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:47:28,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:47:28,113 INFO L93 Difference]: Finished difference Result 241885 states and 361107 transitions. [2022-11-03 01:47:28,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:47:28,114 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 3 states have internal predecessors, (178), 3 states have call successors, (149), 2 states have call predecessors, (149), 1 states have return successors, (146), 2 states have call predecessors, (146), 2 states have call successors, (146) Word has length 1475 [2022-11-03 01:47:28,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:47:29,777 INFO L225 Difference]: With dead ends: 241885 [2022-11-03 01:47:29,779 INFO L226 Difference]: Without dead ends: 161208 [2022-11-03 01:47:30,224 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:47:30,225 INFO L413 NwaCegarLoop]: 6009 mSDtfsCounter, 5103 mSDsluCounter, 5594 mSDsCounter, 0 mSdLazyCounter, 1469 mSolverCounterSat, 11 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5109 SdHoareTripleChecker+Valid, 10897 SdHoareTripleChecker+Invalid, 1482 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1469 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.7s IncrementalHoareTripleChecker+Time [2022-11-03 01:47:30,225 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5109 Valid, 10897 Invalid, 1482 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 1469 Invalid, 2 Unknown, 0 Unchecked, 10.7s Time] [2022-11-03 01:47:30,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161208 states.