./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5961326-3849-4ff7-a5a9-bbfef00aff09/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5961326-3849-4ff7-a5a9-bbfef00aff09/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5961326-3849-4ff7-a5a9-bbfef00aff09/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5961326-3849-4ff7-a5a9-bbfef00aff09/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5961326-3849-4ff7-a5a9-bbfef00aff09/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5961326-3849-4ff7-a5a9-bbfef00aff09/bin/utaipan-TEXQjIfE4P --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 6edce8af070c2ee0f77c0bbc4c8794c42a85035f5c58f10014fb64bda90c7e26 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 22:45:25,902 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 22:45:25,905 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 22:45:25,946 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 22:45:25,947 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 22:45:25,948 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 22:45:25,950 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 22:45:25,953 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 22:45:25,960 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 22:45:25,967 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 22:45:25,968 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 22:45:25,972 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 22:45:25,972 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 22:45:25,975 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 22:45:25,979 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 22:45:25,993 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 22:45:25,994 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 22:45:25,995 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 22:45:25,997 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 22:45:25,999 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 22:45:26,001 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 22:45:26,002 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 22:45:26,004 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 22:45:26,005 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 22:45:26,009 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 22:45:26,009 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 22:45:26,010 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 22:45:26,011 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 22:45:26,011 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 22:45:26,012 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 22:45:26,013 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 22:45:26,022 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 22:45:26,023 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 22:45:26,024 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 22:45:26,025 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 22:45:26,025 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 22:45:26,026 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 22:45:26,027 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 22:45:26,027 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 22:45:26,028 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 22:45:26,029 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 22:45:26,030 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5961326-3849-4ff7-a5a9-bbfef00aff09/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-20 22:45:26,067 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 22:45:26,068 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 22:45:26,068 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 22:45:26,069 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 22:45:26,070 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 22:45:26,070 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 22:45:26,070 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-20 22:45:26,071 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-20 22:45:26,071 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-20 22:45:26,072 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-20 22:45:26,072 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-20 22:45:26,072 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-20 22:45:26,073 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-20 22:45:26,073 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-20 22:45:26,074 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-20 22:45:26,074 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-20 22:45:26,074 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-20 22:45:26,075 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-20 22:45:26,076 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 22:45:26,076 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 22:45:26,077 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 22:45:26,077 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 22:45:26,077 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 22:45:26,078 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 22:45:26,078 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 22:45:26,078 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 22:45:26,079 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 22:45:26,079 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 22:45:26,079 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 22:45:26,080 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 22:45:26,080 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 22:45:26,080 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 22:45:26,080 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 22:45:26,081 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-20 22:45:26,081 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 22:45:26,081 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 22:45:26,081 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 22:45:26,081 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-20 22:45:26,082 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5961326-3849-4ff7-a5a9-bbfef00aff09/bin/utaipan-TEXQjIfE4P/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5961326-3849-4ff7-a5a9-bbfef00aff09/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6edce8af070c2ee0f77c0bbc4c8794c42a85035f5c58f10014fb64bda90c7e26 [2021-11-20 22:45:26,342 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 22:45:26,372 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 22:45:26,376 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 22:45:26,377 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 22:45:26,378 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 22:45:26,379 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5961326-3849-4ff7-a5a9-bbfef00aff09/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i [2021-11-20 22:45:26,449 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5961326-3849-4ff7-a5a9-bbfef00aff09/bin/utaipan-TEXQjIfE4P/data/4b8db23f5/a4f5606d762d4b748092781ace96a746/FLAG9e35d18e6 [2021-11-20 22:45:27,629 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 22:45:27,630 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5961326-3849-4ff7-a5a9-bbfef00aff09/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i [2021-11-20 22:45:27,729 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5961326-3849-4ff7-a5a9-bbfef00aff09/bin/utaipan-TEXQjIfE4P/data/4b8db23f5/a4f5606d762d4b748092781ace96a746/FLAG9e35d18e6 [2021-11-20 22:45:27,965 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5961326-3849-4ff7-a5a9-bbfef00aff09/bin/utaipan-TEXQjIfE4P/data/4b8db23f5/a4f5606d762d4b748092781ace96a746 [2021-11-20 22:45:27,971 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 22:45:27,972 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 22:45:27,974 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 22:45:27,974 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 22:45:27,977 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 22:45:27,978 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:45:27" (1/1) ... [2021-11-20 22:45:27,979 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f19b603 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:45:27, skipping insertion in model container [2021-11-20 22:45:27,979 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:45:27" (1/1) ... [2021-11-20 22:45:27,987 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 22:45:28,391 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 22:45:35,755 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_f5961326-3849-4ff7-a5a9-bbfef00aff09/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i[666496,666509] [2021-11-20 22:45:35,758 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_f5961326-3849-4ff7-a5a9-bbfef00aff09/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i[666662,666675] [2021-11-20 22:45:35,758 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_f5961326-3849-4ff7-a5a9-bbfef00aff09/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i[666826,666839] [2021-11-20 22:45:35,759 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_f5961326-3849-4ff7-a5a9-bbfef00aff09/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i[666991,667004] [2021-11-20 22:45:35,795 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 22:45:35,908 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 22:45:36,658 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5961326-3849-4ff7-a5a9-bbfef00aff09/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i[666496,666509] [2021-11-20 22:45:36,659 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_f5961326-3849-4ff7-a5a9-bbfef00aff09/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i[666662,666675] [2021-11-20 22:45:36,659 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_f5961326-3849-4ff7-a5a9-bbfef00aff09/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i[666826,666839] [2021-11-20 22:45:36,660 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_f5961326-3849-4ff7-a5a9-bbfef00aff09/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i[666991,667004] [2021-11-20 22:45:36,672 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 22:45:37,106 INFO L208 MainTranslator]: Completed translation [2021-11-20 22:45:37,106 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:45:37 WrapperNode [2021-11-20 22:45:37,107 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 22:45:37,108 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 22:45:37,108 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 22:45:37,108 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 22:45:37,116 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:45:37" (1/1) ... [2021-11-20 22:45:37,382 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:45:37" (1/1) ... [2021-11-20 22:45:37,929 INFO L137 Inliner]: procedures = 741, calls = 8484, calls flagged for inlining = 407, calls inlined = 361, statements flattened = 16805 [2021-11-20 22:45:37,930 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 22:45:37,931 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 22:45:37,931 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 22:45:37,932 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 22:45:37,943 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:45:37" (1/1) ... [2021-11-20 22:45:37,944 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:45:37" (1/1) ... [2021-11-20 22:45:38,045 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:45:37" (1/1) ... [2021-11-20 22:45:38,046 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:45:37" (1/1) ... [2021-11-20 22:45:38,535 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:45:37" (1/1) ... [2021-11-20 22:45:38,590 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:45:37" (1/1) ... [2021-11-20 22:45:38,650 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:45:37" (1/1) ... [2021-11-20 22:45:38,838 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 22:45:38,840 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 22:45:38,840 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 22:45:38,840 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 22:45:38,841 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:45:37" (1/1) ... [2021-11-20 22:45:38,849 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 22:45:38,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5961326-3849-4ff7-a5a9-bbfef00aff09/bin/utaipan-TEXQjIfE4P/z3 [2021-11-20 22:45:38,876 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5961326-3849-4ff7-a5a9-bbfef00aff09/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 22:45:38,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5961326-3849-4ff7-a5a9-bbfef00aff09/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 22:45:38,928 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-11-20 22:45:38,928 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-11-20 22:45:38,928 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_resolve_flow_ctrl [2021-11-20 22:45:38,928 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_resolve_flow_ctrl [2021-11-20 22:45:38,929 INFO L130 BoogieDeclarations]: Found specification of procedure load_rv2p_fw [2021-11-20 22:45:38,929 INFO L138 BoogieDeclarations]: Found implementation of procedure load_rv2p_fw [2021-11-20 22:45:38,929 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_bmsr1 [2021-11-20 22:45:38,929 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_bmsr1 [2021-11-20 22:45:38,929 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2021-11-20 22:45:38,929 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2021-11-20 22:45:38,929 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2021-11-20 22:45:38,929 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2021-11-20 22:45:38,930 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_int [2021-11-20 22:45:38,930 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_int [2021-11-20 22:45:38,930 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-11-20 22:45:38,930 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-11-20 22:45:38,930 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-20 22:45:38,930 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-20 22:45:38,930 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-11-20 22:45:38,930 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-11-20 22:45:38,931 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_rxbd_rings [2021-11-20 22:45:38,931 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_rxbd_rings [2021-11-20 22:45:38,931 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_nvram_read_dword [2021-11-20 22:45:38,931 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_nvram_read_dword [2021-11-20 22:45:38,931 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-11-20 22:45:38,932 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-11-20 22:45:38,932 INFO L130 BoogieDeclarations]: Found specification of procedure get_l2_fhdr [2021-11-20 22:45:38,932 INFO L138 BoogieDeclarations]: Found implementation of procedure get_l2_fhdr [2021-11-20 22:45:38,932 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_cnic_stop [2021-11-20 22:45:38,932 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_cnic_stop [2021-11-20 22:45:38,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-20 22:45:38,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-20 22:45:38,933 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_netif_start [2021-11-20 22:45:38,933 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_netif_start [2021-11-20 22:45:38,933 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_int_mode [2021-11-20 22:45:38,933 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_int_mode [2021-11-20 22:45:38,933 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2021-11-20 22:45:38,933 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2021-11-20 22:45:38,934 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_bmsr1 [2021-11-20 22:45:38,934 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_bmsr1 [2021-11-20 22:45:38,934 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_forced_2g5 [2021-11-20 22:45:38,934 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_forced_2g5 [2021-11-20 22:45:38,935 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2021-11-20 22:45:38,935 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2021-11-20 22:45:38,936 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_xceiver_str [2021-11-20 22:45:38,936 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_xceiver_str [2021-11-20 22:45:38,936 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_rx_context [2021-11-20 22:45:38,936 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_rx_context [2021-11-20 22:45:38,936 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-20 22:45:38,936 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-20 22:45:38,936 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-11-20 22:45:38,937 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-11-20 22:45:38,937 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-20 22:45:38,937 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-20 22:45:38,937 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_resume [2021-11-20 22:45:38,938 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_resume [2021-11-20 22:45:38,938 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_pcie_error_reporting [2021-11-20 22:45:38,938 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_pcie_error_reporting [2021-11-20 22:45:38,938 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_ctx_wr [2021-11-20 22:45:38,938 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_ctx_wr [2021-11-20 22:45:38,938 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2021-11-20 22:45:38,938 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2021-11-20 22:45:38,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_bnx2_pci_driver_exit_16_2 [2021-11-20 22:45:38,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_bnx2_pci_driver_exit_16_2 [2021-11-20 22:45:38,939 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-20 22:45:38,939 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-20 22:45:38,940 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_remote_phy [2021-11-20 22:45:38,940 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_remote_phy [2021-11-20 22:45:38,940 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_alloc_rx_data [2021-11-20 22:45:38,940 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_alloc_rx_data [2021-11-20 22:45:38,940 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_phy [2021-11-20 22:45:38,940 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_phy [2021-11-20 22:45:38,940 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_unlock [2021-11-20 22:45:38,940 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_unlock [2021-11-20 22:45:38,941 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-20 22:45:38,941 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-20 22:45:38,941 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-20 22:45:38,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-20 22:45:38,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-20 22:45:38,942 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-20 22:45:38,942 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-20 22:45:38,942 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-20 22:45:38,943 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-20 22:45:38,943 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-20 22:45:38,943 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-20 22:45:38,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-20 22:45:38,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-20 22:45:38,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2021-11-20 22:45:38,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2021-11-20 22:45:38,944 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-11-20 22:45:38,944 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-11-20 22:45:38,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 22:45:38,945 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_napi [2021-11-20 22:45:38,945 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_napi [2021-11-20 22:45:38,945 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_read_phy [2021-11-20 22:45:38,945 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_read_phy [2021-11-20 22:45:38,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2021-11-20 22:45:38,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2021-11-20 22:45:38,945 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-11-20 22:45:38,946 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-11-20 22:45:38,946 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_request_irq [2021-11-20 22:45:38,946 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_request_irq [2021-11-20 22:45:38,946 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-11-20 22:45:38,946 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-11-20 22:45:38,947 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reg_wr_ind [2021-11-20 22:45:38,948 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reg_wr_ind [2021-11-20 22:45:38,950 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-20 22:45:38,950 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-20 22:45:38,950 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-20 22:45:38,950 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-20 22:45:38,951 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-20 22:45:38,951 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-20 22:45:38,952 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-11-20 22:45:38,952 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-11-20 22:45:38,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-20 22:45:38,958 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2021-11-20 22:45:38,959 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2021-11-20 22:45:38,959 INFO L130 BoogieDeclarations]: Found specification of procedure __napi_schedule [2021-11-20 22:45:38,959 INFO L138 BoogieDeclarations]: Found implementation of procedure __napi_schedule [2021-11-20 22:45:38,959 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_rx_mode [2021-11-20 22:45:38,959 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_rx_mode [2021-11-20 22:45:38,959 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_test_intr [2021-11-20 22:45:38,959 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_test_intr [2021-11-20 22:45:38,959 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-20 22:45:38,960 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-20 22:45:38,960 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_nic [2021-11-20 22:45:38,960 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_nic [2021-11-20 22:45:38,960 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-20 22:45:38,960 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-20 22:45:38,960 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_wol [2021-11-20 22:45:38,960 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_wol [2021-11-20 22:45:38,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-20 22:45:38,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-20 22:45:38,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-20 22:45:38,961 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_mac_addr [2021-11-20 22:45:38,961 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_mac_addr [2021-11-20 22:45:38,961 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reset_nic [2021-11-20 22:45:38,961 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reset_nic [2021-11-20 22:45:38,961 INFO L130 BoogieDeclarations]: Found specification of procedure dma_sync_single_for_cpu [2021-11-20 22:45:38,961 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_sync_single_for_cpu [2021-11-20 22:45:38,962 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_msi [2021-11-20 22:45:38,962 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_msi [2021-11-20 22:45:38,962 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 22:45:38,962 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-20 22:45:38,962 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-20 22:45:38,962 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2021-11-20 22:45:38,962 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2021-11-20 22:45:38,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-20 22:45:38,962 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-20 22:45:38,962 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_free_skbs [2021-11-20 22:45:38,963 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_free_skbs [2021-11-20 22:45:38,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-20 22:45:38,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-20 22:45:38,963 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_channels [2021-11-20 22:45:38,963 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_channels [2021-11-20 22:45:38,963 INFO L130 BoogieDeclarations]: Found specification of procedure __bnx2_free_irq [2021-11-20 22:45:38,963 INFO L138 BoogieDeclarations]: Found implementation of procedure __bnx2_free_irq [2021-11-20 22:45:38,963 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_test_and_enable_2g5 [2021-11-20 22:45:38,963 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_test_and_enable_2g5 [2021-11-20 22:45:38,964 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-11-20 22:45:38,964 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-11-20 22:45:38,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-20 22:45:38,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-20 22:45:38,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-20 22:45:38,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-20 22:45:38,965 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2021-11-20 22:45:38,965 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2021-11-20 22:45:38,965 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_msix_tbl [2021-11-20 22:45:38,965 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_msix_tbl [2021-11-20 22:45:38,965 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_int_sync [2021-11-20 22:45:38,965 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_int_sync [2021-11-20 22:45:38,965 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-11-20 22:45:38,965 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-11-20 22:45:38,965 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_open [2021-11-20 22:45:38,965 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_open [2021-11-20 22:45:38,966 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reset_chip [2021-11-20 22:45:38,966 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reset_chip [2021-11-20 22:45:38,966 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_del_napi [2021-11-20 22:45:38,966 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_del_napi [2021-11-20 22:45:38,966 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-11-20 22:45:38,966 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-11-20 22:45:38,966 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_settings [2021-11-20 22:45:38,966 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_settings [2021-11-20 22:45:38,966 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-20 22:45:38,967 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-20 22:45:38,967 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_lock [2021-11-20 22:45:38,967 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_lock [2021-11-20 22:45:38,967 INFO L130 BoogieDeclarations]: Found specification of procedure check_mips_fw_entry [2021-11-20 22:45:38,967 INFO L138 BoogieDeclarations]: Found implementation of procedure check_mips_fw_entry [2021-11-20 22:45:38,967 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_cnic_start [2021-11-20 22:45:38,967 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_cnic_start [2021-11-20 22:45:38,967 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_shmem_rd [2021-11-20 22:45:38,967 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_shmem_rd [2021-11-20 22:45:38,967 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_mac_link [2021-11-20 22:45:38,968 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_mac_link [2021-11-20 22:45:38,968 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-20 22:45:38,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-20 22:45:38,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-20 22:45:38,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-20 22:45:38,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-20 22:45:38,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-11-20 22:45:38,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-11-20 22:45:38,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2021-11-20 22:45:38,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2021-11-20 22:45:38,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-11-20 22:45:38,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-11-20 22:45:38,969 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-11-20 22:45:38,969 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-11-20 22:45:38,969 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_napi_enable [2021-11-20 22:45:38,969 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_napi_enable [2021-11-20 22:45:38,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 22:45:38,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-20 22:45:38,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-20 22:45:38,969 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-20 22:45:38,970 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-20 22:45:38,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-20 22:45:38,970 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2021-11-20 22:45:38,970 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2021-11-20 22:45:38,970 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-20 22:45:38,970 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_wol [2021-11-20 22:45:38,970 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_wol [2021-11-20 22:45:38,970 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-20 22:45:38,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-20 22:45:38,970 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_pauseparam [2021-11-20 22:45:38,971 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_pauseparam [2021-11-20 22:45:38,971 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-11-20 22:45:38,971 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-11-20 22:45:38,971 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-20 22:45:38,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-20 22:45:38,971 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_tx_timeout [2021-11-20 22:45:38,971 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_tx_timeout [2021-11-20 22:45:38,971 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_one [2021-11-20 22:45:38,972 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_one [2021-11-20 22:45:38,976 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-20 22:45:38,976 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-20 22:45:38,976 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-11-20 22:45:38,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-11-20 22:45:38,976 INFO L130 BoogieDeclarations]: Found specification of procedure pci_vpd_find_info_keyword [2021-11-20 22:45:38,976 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_vpd_find_info_keyword [2021-11-20 22:45:38,976 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_disable [2021-11-20 22:45:38,977 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_disable [2021-11-20 22:45:38,977 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_acquire_nvram_lock [2021-11-20 22:45:38,978 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_acquire_nvram_lock [2021-11-20 22:45:38,978 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_remove_one [2021-11-20 22:45:38,978 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_remove_one [2021-11-20 22:45:38,978 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-11-20 22:45:38,978 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-11-20 22:45:38,979 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-20 22:45:38,979 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-20 22:45:38,979 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-11-20 22:45:38,979 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-11-20 22:45:38,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-20 22:45:38,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-20 22:45:38,979 INFO L130 BoogieDeclarations]: Found specification of procedure lock_is_held [2021-11-20 22:45:38,979 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_is_held [2021-11-20 22:45:38,979 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2021-11-20 22:45:38,979 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2021-11-20 22:45:38,980 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-11-20 22:45:38,980 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-11-20 22:45:38,980 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_nvram_access [2021-11-20 22:45:38,980 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_nvram_access [2021-11-20 22:45:38,980 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-11-20 22:45:38,980 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-11-20 22:45:38,980 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-20 22:45:38,980 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-20 22:45:38,980 INFO L130 BoogieDeclarations]: Found specification of procedure check_fw_section [2021-11-20 22:45:38,980 INFO L138 BoogieDeclarations]: Found implementation of procedure check_fw_section [2021-11-20 22:45:38,981 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_settings [2021-11-20 22:45:38,981 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_settings [2021-11-20 22:45:38,981 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule_prep [2021-11-20 22:45:38,981 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule_prep [2021-11-20 22:45:38,981 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_run_loopback [2021-11-20 22:45:38,981 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_run_loopback [2021-11-20 22:45:38,981 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2021-11-20 22:45:38,981 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2021-11-20 22:45:38,981 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_napi_disable [2021-11-20 22:45:38,981 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_napi_disable [2021-11-20 22:45:38,982 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 22:45:38,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 22:45:38,982 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-11-20 22:45:38,982 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-11-20 22:45:38,982 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-11-20 22:45:38,982 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-11-20 22:45:38,982 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_nvram_write_dword [2021-11-20 22:45:38,982 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_nvram_write_dword [2021-11-20 22:45:38,982 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-20 22:45:38,982 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-20 22:45:38,983 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-20 22:45:38,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-20 22:45:38,983 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-20 22:45:38,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-20 22:45:38,983 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_link [2021-11-20 22:45:38,983 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_link [2021-11-20 22:45:38,983 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-20 22:45:38,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-20 22:45:38,983 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2021-11-20 22:45:38,983 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2021-11-20 22:45:38,984 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_int [2021-11-20 22:45:38,984 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_int [2021-11-20 22:45:38,984 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-20 22:45:38,984 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-20 22:45:38,984 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-20 22:45:38,984 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-11-20 22:45:38,984 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-11-20 22:45:38,984 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-11-20 22:45:38,984 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-11-20 22:45:38,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-20 22:45:38,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-20 22:45:38,985 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_nvram_access [2021-11-20 22:45:38,985 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_nvram_access [2021-11-20 22:45:38,985 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_free_mem [2021-11-20 22:45:38,985 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_free_mem [2021-11-20 22:45:38,985 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-11-20 22:45:38,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-11-20 22:45:38,985 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-20 22:45:38,985 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-20 22:45:38,985 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-20 22:45:38,985 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-20 22:45:38,986 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_release_nvram_lock [2021-11-20 22:45:38,986 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_release_nvram_lock [2021-11-20 22:45:38,986 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-11-20 22:45:38,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-11-20 22:45:38,986 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_nway_reset [2021-11-20 22:45:38,986 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_nway_reset [2021-11-20 22:45:38,986 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2021-11-20 22:45:38,986 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2021-11-20 22:45:38,986 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_has_work [2021-11-20 22:45:38,986 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_has_work [2021-11-20 22:45:38,987 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_has_fast_work [2021-11-20 22:45:38,987 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_has_fast_work [2021-11-20 22:45:38,987 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2021-11-20 22:45:38,987 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2021-11-20 22:45:38,987 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-11-20 22:45:38,987 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-11-20 22:45:38,987 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_tx_avail [2021-11-20 22:45:38,987 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_tx_avail [2021-11-20 22:45:38,987 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_test_link [2021-11-20 22:45:38,987 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_test_link [2021-11-20 22:45:38,988 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-11-20 22:45:38,988 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-11-20 22:45:38,988 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-20 22:45:38,988 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-20 22:45:38,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 22:45:38,988 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_report_link [2021-11-20 22:45:38,988 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_report_link [2021-11-20 22:45:38,988 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reset_phy [2021-11-20 22:45:38,988 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reset_phy [2021-11-20 22:45:38,988 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_phy [2021-11-20 22:45:38,989 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_phy [2021-11-20 22:45:38,989 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-11-20 22:45:38,989 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-11-20 22:45:38,989 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_hw_rx_cons [2021-11-20 22:45:38,989 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_hw_rx_cons [2021-11-20 22:45:38,989 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-20 22:45:38,989 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-20 22:45:38,989 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_nvram [2021-11-20 22:45:38,989 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_nvram [2021-11-20 22:45:38,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-20 22:45:38,989 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_change_ring_size [2021-11-20 22:45:38,990 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_change_ring_size [2021-11-20 22:45:38,990 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_power_state [2021-11-20 22:45:38,990 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_power_state [2021-11-20 22:45:38,990 INFO L130 BoogieDeclarations]: Found specification of procedure load_cpu_fw [2021-11-20 22:45:38,990 INFO L138 BoogieDeclarations]: Found implementation of procedure load_cpu_fw [2021-11-20 22:45:38,990 INFO L130 BoogieDeclarations]: Found specification of procedure __free_pages [2021-11-20 22:45:38,990 INFO L138 BoogieDeclarations]: Found implementation of procedure __free_pages [2021-11-20 22:45:38,990 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_default_remote_link [2021-11-20 22:45:38,990 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_default_remote_link [2021-11-20 22:45:38,990 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_io_resume [2021-11-20 22:45:38,991 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_io_resume [2021-11-20 22:45:38,991 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_write_phy [2021-11-20 22:45:38,991 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_write_phy [2021-11-20 22:45:38,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-20 22:45:38,991 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_hw_tx_cons [2021-11-20 22:45:38,991 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_hw_tx_cons [2021-11-20 22:45:38,991 INFO L130 BoogieDeclarations]: Found specification of procedure pci_vpd_info_field_size [2021-11-20 22:45:38,991 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_vpd_info_field_size [2021-11-20 22:45:38,991 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-20 22:45:38,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-20 22:45:38,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-11-20 22:45:38,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-11-20 22:45:38,992 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_fw_sync [2021-11-20 22:45:38,992 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_fw_sync [2021-11-20 22:45:38,992 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_shmem_wr [2021-11-20 22:45:38,992 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_shmem_wr [2021-11-20 22:45:38,992 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-20 22:45:38,992 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-20 22:45:38,992 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_5706s_force_link_dn [2021-11-20 22:45:38,992 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_5706s_force_link_dn [2021-11-20 22:45:38,993 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-11-20 22:45:38,993 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-11-20 22:45:38,993 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_default_link [2021-11-20 22:45:38,993 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_default_link [2021-11-20 22:45:38,993 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-20 22:45:38,993 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-20 22:45:38,993 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_phy_get_pause_adv [2021-11-20 22:45:38,993 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_phy_get_pause_adv [2021-11-20 22:45:38,993 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-20 22:45:38,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-20 22:45:38,994 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_remote_phy_event [2021-11-20 22:45:38,994 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_remote_phy_event [2021-11-20 22:45:38,994 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2021-11-20 22:45:38,994 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2021-11-20 22:45:38,994 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_nvram_read [2021-11-20 22:45:38,994 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_nvram_read [2021-11-20 22:45:38,994 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-20 22:45:38,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-20 22:45:38,994 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_change_mac_addr [2021-11-20 22:45:38,994 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_change_mac_addr [2021-11-20 22:45:38,995 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_fw_cap [2021-11-20 22:45:38,995 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_fw_cap [2021-11-20 22:45:38,995 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reg_rd_ind [2021-11-20 22:45:38,995 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reg_rd_ind [2021-11-20 22:45:38,995 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2021-11-20 22:45:38,995 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2021-11-20 22:45:38,995 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_nvram_write [2021-11-20 22:45:38,995 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_nvram_write [2021-11-20 22:45:38,995 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-11-20 22:45:38,995 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-11-20 22:45:38,995 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-11-20 22:45:38,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-11-20 22:45:38,996 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-20 22:45:38,996 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-20 22:45:38,996 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-20 22:45:38,996 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-20 22:45:38,996 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-11-20 22:45:38,996 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-11-20 22:45:38,996 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2021-11-20 22:45:38,996 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2021-11-20 22:45:38,996 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_cnic_irq_info [2021-11-20 22:45:38,997 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_cnic_irq_info [2021-11-20 22:45:38,997 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-20 22:45:38,997 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-20 22:45:38,997 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_shutdown [2021-11-20 22:45:38,997 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_shutdown [2021-11-20 22:45:38,997 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_suspend [2021-11-20 22:45:38,997 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_suspend [2021-11-20 22:45:38,997 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_forced_2g5 [2021-11-20 22:45:38,997 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_forced_2g5 [2021-11-20 22:45:38,997 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cnic_lock_of_bnx2 [2021-11-20 22:45:38,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cnic_lock_of_bnx2 [2021-11-20 22:45:38,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cnic_lock_of_bnx2 [2021-11-20 22:45:38,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cnic_lock_of_bnx2 [2021-11-20 22:45:38,998 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-20 22:45:38,998 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-20 22:45:38,998 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-11-20 22:45:38,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-11-20 22:45:38,998 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_netif_stop [2021-11-20 22:45:38,998 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_netif_stop [2021-11-20 22:45:38,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 22:45:38,999 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_ringparam [2021-11-20 22:45:38,999 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_ringparam [2021-11-20 22:45:38,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-20 22:45:38,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-20 22:45:38,999 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_find_max_ring [2021-11-20 22:45:38,999 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_find_max_ring [2021-11-20 22:45:38,999 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_coalesce [2021-11-20 22:45:38,999 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_coalesce [2021-11-20 22:45:38,999 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_send_heart_beat [2021-11-20 22:45:38,999 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_send_heart_beat [2021-11-20 22:45:38,999 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2021-11-20 22:45:39,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2021-11-20 22:45:39,000 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_alloc_rx_page [2021-11-20 22:45:39,000 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_alloc_rx_page [2021-11-20 22:45:39,000 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_eeprom_len [2021-11-20 22:45:39,000 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_eeprom_len [2021-11-20 22:45:39,000 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-20 22:45:39,000 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-20 22:45:39,000 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-11-20 22:45:39,000 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-11-20 22:45:39,001 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2021-11-20 22:45:39,001 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2021-11-20 22:45:39,001 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_release_firmware [2021-11-20 22:45:39,001 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_release_firmware [2021-11-20 22:45:39,001 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-11-20 22:45:39,001 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-11-20 22:45:39,001 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-11-20 22:45:39,001 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-11-20 22:45:39,001 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_shutdown_chip [2021-11-20 22:45:39,001 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_shutdown_chip [2021-11-20 22:45:39,002 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_regs_len [2021-11-20 22:45:39,002 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_regs_len [2021-11-20 22:45:39,002 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_alloc_mem [2021-11-20 22:45:39,002 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_alloc_mem [2021-11-20 22:45:39,002 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_close [2021-11-20 22:45:39,002 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_close [2021-11-20 22:45:39,002 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-20 22:45:39,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-20 22:45:39,002 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-11-20 22:45:39,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-11-20 22:45:39,003 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_coalesce [2021-11-20 22:45:39,003 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_coalesce [2021-11-20 22:45:39,003 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2021-11-20 22:45:39,003 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2021-11-20 22:45:39,003 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-11-20 22:45:39,003 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-11-20 22:45:39,003 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-11-20 22:45:39,003 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-11-20 22:45:39,003 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-20 22:45:39,003 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-20 22:45:39,004 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-20 22:45:39,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-20 22:45:39,004 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2021-11-20 22:45:39,004 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2021-11-20 22:45:39,004 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-11-20 22:45:39,004 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-11-20 22:45:39,004 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 22:45:39,004 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_free_irq [2021-11-20 22:45:39,004 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_free_irq [2021-11-20 22:45:39,004 INFO L130 BoogieDeclarations]: Found specification of procedure poll_bnx2 [2021-11-20 22:45:39,005 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_bnx2 [2021-11-20 22:45:39,005 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2021-11-20 22:45:39,005 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2021-11-20 22:45:39,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-20 22:45:39,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-20 22:45:39,005 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_rx_ring_size [2021-11-20 22:45:39,005 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_rx_ring_size [2021-11-20 22:45:39,005 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_dump_mcp_state [2021-11-20 22:45:39,005 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_dump_mcp_state [2021-11-20 22:45:40,623 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 22:45:40,631 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 22:45:41,158 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-20 22:48:19,270 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-20 22:48:19,500 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 22:48:27,292 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 22:48:27,292 INFO L301 CfgBuilder]: Removed 6 assume(true) statements. [2021-11-20 22:48:27,306 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:48:27 BoogieIcfgContainer [2021-11-20 22:48:27,307 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 22:48:27,308 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 22:48:27,309 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 22:48:27,312 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 22:48:27,312 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 10:45:27" (1/3) ... [2021-11-20 22:48:27,313 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14743266 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:48:27, skipping insertion in model container [2021-11-20 22:48:27,313 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:45:37" (2/3) ... [2021-11-20 22:48:27,314 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14743266 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:48:27, skipping insertion in model container [2021-11-20 22:48:27,314 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:48:27" (3/3) ... [2021-11-20 22:48:27,315 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i [2021-11-20 22:48:27,321 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 22:48:27,321 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-20 22:48:27,387 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 22:48:27,394 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-20 22:48:27,394 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-20 22:48:27,505 INFO L276 IsEmpty]: Start isEmpty. Operand has 4690 states, 2859 states have (on average 1.303952430919902) internal successors, (3728), 2933 states have internal predecessors, (3728), 1579 states have call successors, (1579), 250 states have call predecessors, (1579), 249 states have return successors, (1570), 1560 states have call predecessors, (1570), 1570 states have call successors, (1570) [2021-11-20 22:48:27,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2021-11-20 22:48:27,541 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 22:48:27,542 INFO L514 BasicCegarLoop]: trace histogram [28, 27, 27, 27, 27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 22:48:27,543 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-20 22:48:27,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 22:48:27,548 INFO L85 PathProgramCache]: Analyzing trace with hash 382597913, now seen corresponding path program 1 times [2021-11-20 22:48:27,557 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 22:48:27,559 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606869104] [2021-11-20 22:48:27,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 22:48:27,560 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 22:48:28,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 22:48:28,839 INFO L134 CoverageAnalysis]: Checked inductivity of 2862 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2862 trivial. 0 not checked. [2021-11-20 22:48:28,840 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 22:48:28,841 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606869104] [2021-11-20 22:48:28,843 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1606869104] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 22:48:28,843 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 22:48:28,843 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 22:48:28,845 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185665329] [2021-11-20 22:48:28,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 22:48:28,852 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 22:48:28,852 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 22:48:28,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 22:48:28,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 22:48:28,899 INFO L87 Difference]: Start difference. First operand has 4690 states, 2859 states have (on average 1.303952430919902) internal successors, (3728), 2933 states have internal predecessors, (3728), 1579 states have call successors, (1579), 250 states have call predecessors, (1579), 249 states have return successors, (1570), 1560 states have call predecessors, (1570), 1570 states have call successors, (1570) Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2021-11-20 22:48:32,259 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 22:48:34,447 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 22:48:43,603 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 22:48:47,254 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 22:48:49,497 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 22:48:52,354 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 22:48:54,675 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 22:48:57,349 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 22:49:00,371 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 22:49:03,059 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 22:49:05,201 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 22:49:05,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 22:49:05,917 INFO L93 Difference]: Finished difference Result 13694 states and 20241 transitions. [2021-11-20 22:49:05,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 22:49:05,919 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 291 [2021-11-20 22:49:05,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 22:49:06,039 INFO L225 Difference]: With dead ends: 13694 [2021-11-20 22:49:06,040 INFO L226 Difference]: Without dead ends: 9046 [2021-11-20 22:49:06,096 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 22:49:06,104 INFO L933 BasicCegarLoop]: 7926 mSDtfsCounter, 6422 mSDsluCounter, 6815 mSDsCounter, 0 mSdLazyCounter, 1572 mSolverCounterSat, 7 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6429 SdHoareTripleChecker+Valid, 13999 SdHoareTripleChecker+Invalid, 1586 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1572 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.3s IncrementalHoareTripleChecker+Time [2021-11-20 22:49:06,106 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6429 Valid, 13999 Invalid, 1586 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 1572 Invalid, 7 Unknown, 0 Unchecked, 36.3s Time] [2021-11-20 22:49:06,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9046 states. [2021-11-20 22:49:06,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9046 to 9039. [2021-11-20 22:49:06,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9039 states, 5528 states have (on average 1.302821997105644) internal successors, (7202), 5675 states have internal predecessors, (7202), 3020 states have call successors, (3020), 490 states have call predecessors, (3020), 488 states have return successors, (3021), 2993 states have call predecessors, (3021), 3016 states have call successors, (3021) [2021-11-20 22:49:06,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9039 states to 9039 states and 13243 transitions. [2021-11-20 22:49:06,988 INFO L78 Accepts]: Start accepts. Automaton has 9039 states and 13243 transitions. Word has length 291 [2021-11-20 22:49:06,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 22:49:06,993 INFO L470 AbstractCegarLoop]: Abstraction has 9039 states and 13243 transitions. [2021-11-20 22:49:06,994 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2021-11-20 22:49:06,996 INFO L276 IsEmpty]: Start isEmpty. Operand 9039 states and 13243 transitions. [2021-11-20 22:49:07,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2021-11-20 22:49:07,010 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 22:49:07,011 INFO L514 BasicCegarLoop]: trace histogram [28, 27, 27, 27, 27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 22:49:07,011 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 22:49:07,012 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-20 22:49:07,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 22:49:07,016 INFO L85 PathProgramCache]: Analyzing trace with hash 2108106032, now seen corresponding path program 1 times [2021-11-20 22:49:07,016 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 22:49:07,016 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088489653] [2021-11-20 22:49:07,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 22:49:07,017 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 22:49:07,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 22:49:07,668 INFO L134 CoverageAnalysis]: Checked inductivity of 2862 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2862 trivial. 0 not checked. [2021-11-20 22:49:07,668 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 22:49:07,668 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2088489653] [2021-11-20 22:49:07,668 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2088489653] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 22:49:07,668 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 22:49:07,668 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 22:49:07,669 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501647444] [2021-11-20 22:49:07,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 22:49:07,670 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 22:49:07,670 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 22:49:07,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 22:49:07,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 22:49:07,671 INFO L87 Difference]: Start difference. First operand 9039 states and 13243 transitions. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2021-11-20 22:49:11,145 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 22:49:12,464 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 22:49:17,337 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 22:49:23,518 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 22:49:30,537 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 22:49:32,850 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 22:49:35,018 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 22:49:37,628 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 22:49:40,285 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 22:49:43,006 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 22:49:43,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 22:49:43,923 INFO L93 Difference]: Finished difference Result 26493 states and 38794 transitions. [2021-11-20 22:49:43,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 22:49:43,924 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 307 [2021-11-20 22:49:43,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 22:49:44,107 INFO L225 Difference]: With dead ends: 26493 [2021-11-20 22:49:44,108 INFO L226 Difference]: Without dead ends: 17509 [2021-11-20 22:49:44,186 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 22:49:44,187 INFO L933 BasicCegarLoop]: 7612 mSDtfsCounter, 6185 mSDsluCounter, 6748 mSDsCounter, 0 mSdLazyCounter, 1606 mSolverCounterSat, 29 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6192 SdHoareTripleChecker+Valid, 13636 SdHoareTripleChecker+Invalid, 1642 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1606 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.6s IncrementalHoareTripleChecker+Time [2021-11-20 22:49:44,188 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6192 Valid, 13636 Invalid, 1642 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1606 Invalid, 7 Unknown, 0 Unchecked, 35.6s Time] [2021-11-20 22:49:44,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17509 states. [2021-11-20 22:49:45,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17509 to 17486. [2021-11-20 22:49:45,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17486 states, 10692 states have (on average 1.2990086045641602) internal successors, (13889), 10977 states have internal predecessors, (13889), 5825 states have call successors, (5825), 969 states have call predecessors, (5825), 966 states have return successors, (5840), 5776 states have call predecessors, (5840), 5821 states have call successors, (5840) [2021-11-20 22:49:45,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17486 states to 17486 states and 25554 transitions. [2021-11-20 22:49:45,361 INFO L78 Accepts]: Start accepts. Automaton has 17486 states and 25554 transitions. Word has length 307 [2021-11-20 22:49:45,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 22:49:45,366 INFO L470 AbstractCegarLoop]: Abstraction has 17486 states and 25554 transitions. [2021-11-20 22:49:45,367 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2021-11-20 22:49:45,367 INFO L276 IsEmpty]: Start isEmpty. Operand 17486 states and 25554 transitions. [2021-11-20 22:49:45,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2021-11-20 22:49:45,376 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 22:49:45,376 INFO L514 BasicCegarLoop]: trace histogram [28, 27, 27, 27, 27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 22:49:45,377 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 22:49:45,377 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-20 22:49:45,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 22:49:45,378 INFO L85 PathProgramCache]: Analyzing trace with hash -1129260617, now seen corresponding path program 1 times [2021-11-20 22:49:45,378 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 22:49:45,379 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554174436] [2021-11-20 22:49:45,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 22:49:45,379 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 22:49:45,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 22:49:45,934 INFO L134 CoverageAnalysis]: Checked inductivity of 2862 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2862 trivial. 0 not checked. [2021-11-20 22:49:45,934 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 22:49:45,934 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1554174436] [2021-11-20 22:49:45,935 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1554174436] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 22:49:45,935 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 22:49:45,935 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 22:49:45,935 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845621984] [2021-11-20 22:49:45,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 22:49:45,936 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 22:49:45,936 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 22:49:45,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 22:49:45,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 22:49:45,937 INFO L87 Difference]: Start difference. First operand 17486 states and 25554 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2021-11-20 22:49:48,897 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 22:49:50,414 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 22:49:54,862 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 22:50:00,861 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 22:50:02,846 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 22:50:08,542 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 22:50:10,730 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 22:50:13,047 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 22:50:14,820 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 22:50:17,437 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 22:50:19,757 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 22:50:22,341 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 22:50:24,530 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 22:50:26,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 22:50:26,005 INFO L93 Difference]: Finished difference Result 42956 states and 62734 transitions. [2021-11-20 22:50:26,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 22:50:26,009 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 306 [2021-11-20 22:50:26,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 22:50:26,181 INFO L225 Difference]: With dead ends: 42956 [2021-11-20 22:50:26,181 INFO L226 Difference]: Without dead ends: 25525 [2021-11-20 22:50:26,554 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 22:50:26,555 INFO L933 BasicCegarLoop]: 7538 mSDtfsCounter, 6259 mSDsluCounter, 6775 mSDsCounter, 0 mSdLazyCounter, 1568 mSolverCounterSat, 19 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6264 SdHoareTripleChecker+Valid, 13577 SdHoareTripleChecker+Invalid, 1596 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 1568 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 39.0s IncrementalHoareTripleChecker+Time [2021-11-20 22:50:26,556 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6264 Valid, 13577 Invalid, 1596 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 1568 Invalid, 9 Unknown, 0 Unchecked, 39.0s Time] [2021-11-20 22:50:26,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25525 states. [2021-11-20 22:50:27,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25525 to 25504. [2021-11-20 22:50:27,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25504 states, 15642 states have (on average 1.2971487022119934) internal successors, (20290), 16071 states have internal predecessors, (20290), 8431 states have call successors, (8431), 1433 states have call predecessors, (8431), 1428 states have return successors, (8456), 8351 states have call predecessors, (8456), 8427 states have call successors, (8456) [2021-11-20 22:50:28,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25504 states to 25504 states and 37177 transitions. [2021-11-20 22:50:28,175 INFO L78 Accepts]: Start accepts. Automaton has 25504 states and 37177 transitions. Word has length 306 [2021-11-20 22:50:28,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 22:50:28,176 INFO L470 AbstractCegarLoop]: Abstraction has 25504 states and 37177 transitions. [2021-11-20 22:50:28,176 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2021-11-20 22:50:28,176 INFO L276 IsEmpty]: Start isEmpty. Operand 25504 states and 37177 transitions. [2021-11-20 22:50:28,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2021-11-20 22:50:28,188 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 22:50:28,189 INFO L514 BasicCegarLoop]: trace histogram [28, 27, 27, 27, 27, 27, 27, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 22:50:28,189 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-20 22:50:28,189 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-20 22:50:28,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 22:50:28,190 INFO L85 PathProgramCache]: Analyzing trace with hash -1867099844, now seen corresponding path program 1 times [2021-11-20 22:50:28,190 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 22:50:28,190 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721987391] [2021-11-20 22:50:28,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 22:50:28,191 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 22:50:28,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 22:50:28,728 INFO L134 CoverageAnalysis]: Checked inductivity of 2865 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2865 trivial. 0 not checked. [2021-11-20 22:50:28,729 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 22:50:28,729 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721987391] [2021-11-20 22:50:28,729 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [721987391] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 22:50:28,729 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 22:50:28,729 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 22:50:28,729 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922391494] [2021-11-20 22:50:28,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 22:50:28,730 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 22:50:28,730 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 22:50:28,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 22:50:28,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 22:50:28,731 INFO L87 Difference]: Start difference. First operand 25504 states and 37177 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2021-11-20 22:50:31,812 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 22:50:34,001 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 22:50:45,143 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 22:50:46,281 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 22:50:54,787 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 22:50:57,105 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 22:50:59,240 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 22:51:02,374 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 22:51:05,328 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 22:51:07,952 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 22:51:09,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 22:51:09,148 INFO L93 Difference]: Finished difference Result 65371 states and 95235 transitions. [2021-11-20 22:51:09,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 22:51:09,148 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 330 [2021-11-20 22:51:09,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 22:51:09,422 INFO L225 Difference]: With dead ends: 65371 [2021-11-20 22:51:09,423 INFO L226 Difference]: Without dead ends: 39922 [2021-11-20 22:51:09,551 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 22:51:09,553 INFO L933 BasicCegarLoop]: 10170 mSDtfsCounter, 6366 mSDsluCounter, 6797 mSDsCounter, 0 mSdLazyCounter, 1953 mSolverCounterSat, 12 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6375 SdHoareTripleChecker+Valid, 16228 SdHoareTripleChecker+Invalid, 1974 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1953 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 38.7s IncrementalHoareTripleChecker+Time [2021-11-20 22:51:09,555 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6375 Valid, 16228 Invalid, 1974 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 1953 Invalid, 9 Unknown, 0 Unchecked, 38.7s Time] [2021-11-20 22:51:09,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39922 states. [2021-11-20 22:51:11,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39922 to 39888. [2021-11-20 22:51:11,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39888 states, 24472 states have (on average 1.2951127819548873) internal successors, (31694), 25153 states have internal predecessors, (31694), 13156 states have call successors, (13156), 2267 states have call predecessors, (13156), 2257 states have return successors, (13206), 13020 states have call predecessors, (13206), 13152 states have call successors, (13206) [2021-11-20 22:51:12,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39888 states to 39888 states and 58056 transitions. [2021-11-20 22:51:12,142 INFO L78 Accepts]: Start accepts. Automaton has 39888 states and 58056 transitions. Word has length 330 [2021-11-20 22:51:12,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 22:51:12,143 INFO L470 AbstractCegarLoop]: Abstraction has 39888 states and 58056 transitions. [2021-11-20 22:51:12,143 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2021-11-20 22:51:12,144 INFO L276 IsEmpty]: Start isEmpty. Operand 39888 states and 58056 transitions. [2021-11-20 22:51:12,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2021-11-20 22:51:12,154 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 22:51:12,155 INFO L514 BasicCegarLoop]: trace histogram [28, 27, 27, 27, 27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 22:51:12,155 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-20 22:51:12,155 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-20 22:51:12,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 22:51:12,165 INFO L85 PathProgramCache]: Analyzing trace with hash -723272073, now seen corresponding path program 1 times [2021-11-20 22:51:12,166 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 22:51:12,166 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283435998] [2021-11-20 22:51:12,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 22:51:12,166 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 22:51:12,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 22:51:13,001 INFO L134 CoverageAnalysis]: Checked inductivity of 2862 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2862 trivial. 0 not checked. [2021-11-20 22:51:13,001 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 22:51:13,001 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283435998] [2021-11-20 22:51:13,001 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [283435998] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 22:51:13,001 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 22:51:13,002 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 22:51:13,002 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798858380] [2021-11-20 22:51:13,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 22:51:13,003 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 22:51:13,003 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 22:51:13,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 22:51:13,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 22:51:13,003 INFO L87 Difference]: Start difference. First operand 39888 states and 58056 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2021-11-20 22:51:16,814 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 22:51:19,622 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 22:51:22,552 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 22:51:27,082 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 22:51:28,478 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 22:51:32,285 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 22:51:38,758 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 22:51:42,315 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 22:51:45,011 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 22:51:47,180 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 22:51:49,497 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 22:51:51,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 22:51:51,051 INFO L93 Difference]: Finished difference Result 100610 states and 146252 transitions. [2021-11-20 22:51:51,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 22:51:51,052 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 328 [2021-11-20 22:51:51,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 22:51:51,695 INFO L225 Difference]: With dead ends: 100610 [2021-11-20 22:51:51,695 INFO L226 Difference]: Without dead ends: 60777 [2021-11-20 22:51:51,882 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 22:51:51,882 INFO L933 BasicCegarLoop]: 7447 mSDtfsCounter, 5599 mSDsluCounter, 6731 mSDsCounter, 0 mSdLazyCounter, 1590 mSolverCounterSat, 7 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5604 SdHoareTripleChecker+Valid, 13482 SdHoareTripleChecker+Invalid, 1604 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1590 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.0s IncrementalHoareTripleChecker+Time [2021-11-20 22:51:51,883 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5604 Valid, 13482 Invalid, 1604 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1590 Invalid, 7 Unknown, 0 Unchecked, 36.0s Time] [2021-11-20 22:51:51,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60777 states. [2021-11-20 22:51:54,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60777 to 60747. [2021-11-20 22:51:54,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60747 states, 37178 states have (on average 1.2892570875248803) internal successors, (47932), 38272 states have internal predecessors, (47932), 19963 states have call successors, (19963), 3625 states have call predecessors, (19963), 3603 states have return successors, (20308), 19721 states have call predecessors, (20308), 19959 states have call successors, (20308) [2021-11-20 22:51:55,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60747 states to 60747 states and 88203 transitions. [2021-11-20 22:51:55,290 INFO L78 Accepts]: Start accepts. Automaton has 60747 states and 88203 transitions. Word has length 328 [2021-11-20 22:51:55,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 22:51:55,291 INFO L470 AbstractCegarLoop]: Abstraction has 60747 states and 88203 transitions. [2021-11-20 22:51:55,291 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2021-11-20 22:51:55,292 INFO L276 IsEmpty]: Start isEmpty. Operand 60747 states and 88203 transitions. [2021-11-20 22:51:55,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2021-11-20 22:51:55,298 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 22:51:55,299 INFO L514 BasicCegarLoop]: trace histogram [31, 27, 27, 27, 27, 27, 27, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 22:51:55,299 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-20 22:51:55,299 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-20 22:51:55,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 22:51:55,300 INFO L85 PathProgramCache]: Analyzing trace with hash 1100430494, now seen corresponding path program 1 times [2021-11-20 22:51:55,300 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 22:51:55,300 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400489311] [2021-11-20 22:51:55,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 22:51:55,301 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 22:51:55,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 22:51:56,232 INFO L134 CoverageAnalysis]: Checked inductivity of 3063 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3063 trivial. 0 not checked. [2021-11-20 22:51:56,232 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 22:51:56,233 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [400489311] [2021-11-20 22:51:56,233 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [400489311] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 22:51:56,233 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 22:51:56,233 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 22:51:56,233 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198057422] [2021-11-20 22:51:56,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 22:51:56,234 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 22:51:56,234 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 22:51:56,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 22:51:56,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-20 22:51:56,235 INFO L87 Difference]: Start difference. First operand 60747 states and 88203 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2021-11-20 22:52:03,747 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 22:52:10,049 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 22:52:11,181 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 22:52:12,895 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 22:52:14,263 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 22:52:20,947 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 22:52:26,721 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 22:52:33,204 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 22:52:41,705 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 22:52:44,525 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 22:52:46,718 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 22:52:49,044 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 22:52:51,269 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 22:52:53,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 22:52:53,117 INFO L93 Difference]: Finished difference Result 116300 states and 169288 transitions. [2021-11-20 22:52:53,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 22:52:53,118 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 333 [2021-11-20 22:52:53,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 22:52:53,899 INFO L225 Difference]: With dead ends: 116300 [2021-11-20 22:52:53,899 INFO L226 Difference]: Without dead ends: 116298 [2021-11-20 22:52:53,953 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-20 22:52:53,954 INFO L933 BasicCegarLoop]: 8338 mSDtfsCounter, 6424 mSDsluCounter, 25183 mSDsCounter, 0 mSdLazyCounter, 3409 mSolverCounterSat, 3 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 51.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6433 SdHoareTripleChecker+Valid, 31008 SdHoareTripleChecker+Invalid, 3421 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 3409 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 53.7s IncrementalHoareTripleChecker+Time [2021-11-20 22:52:53,954 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6433 Valid, 31008 Invalid, 3421 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 3409 Invalid, 9 Unknown, 0 Unchecked, 53.7s Time] [2021-11-20 22:52:54,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116298 states. [2021-11-20 22:52:58,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116298 to 115689. [2021-11-20 22:52:59,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115689 states, 70697 states have (on average 1.2877491265541678) internal successors, (91040), 72732 states have internal predecessors, (91040), 38190 states have call successors, (38190), 6840 states have call predecessors, (38190), 6799 states have return successors, (39248), 37704 states have call predecessors, (39248), 38182 states have call successors, (39248) [2021-11-20 22:53:00,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115689 states to 115689 states and 168478 transitions. [2021-11-20 22:53:00,581 INFO L78 Accepts]: Start accepts. Automaton has 115689 states and 168478 transitions. Word has length 333 [2021-11-20 22:53:00,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 22:53:00,582 INFO L470 AbstractCegarLoop]: Abstraction has 115689 states and 168478 transitions. [2021-11-20 22:53:00,582 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2021-11-20 22:53:00,583 INFO L276 IsEmpty]: Start isEmpty. Operand 115689 states and 168478 transitions. [2021-11-20 22:53:00,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2021-11-20 22:53:00,590 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 22:53:00,591 INFO L514 BasicCegarLoop]: trace histogram [31, 27, 27, 27, 27, 27, 27, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 22:53:00,591 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-20 22:53:00,591 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-20 22:53:00,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 22:53:00,592 INFO L85 PathProgramCache]: Analyzing trace with hash -1191089006, now seen corresponding path program 1 times [2021-11-20 22:53:00,592 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 22:53:00,592 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423434090] [2021-11-20 22:53:00,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 22:53:00,593 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 22:53:00,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 22:53:01,280 INFO L134 CoverageAnalysis]: Checked inductivity of 3065 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3063 trivial. 0 not checked. [2021-11-20 22:53:01,280 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 22:53:01,280 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423434090] [2021-11-20 22:53:01,280 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1423434090] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 22:53:01,280 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 22:53:01,281 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 22:53:01,281 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477013313] [2021-11-20 22:53:01,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 22:53:01,282 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 22:53:01,282 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 22:53:01,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 22:53:01,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-20 22:53:01,282 INFO L87 Difference]: Start difference. First operand 115689 states and 168478 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2021-11-20 22:53:08,072 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 22:53:15,156 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 22:53:16,697 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 22:53:22,865 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 22:53:30,417 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 22:53:34,468 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 22:53:36,182 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 22:53:38,004 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 22:53:40,390 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 22:53:47,386 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 22:53:50,536 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 22:53:53,050 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 22:53:55,381 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 22:53:57,588 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 22:54:00,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 22:54:00,704 INFO L93 Difference]: Finished difference Result 230379 states and 335524 transitions. [2021-11-20 22:54:00,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 22:54:00,705 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) Word has length 338 [2021-11-20 22:54:00,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 22:54:02,294 INFO L225 Difference]: With dead ends: 230379 [2021-11-20 22:54:02,294 INFO L226 Difference]: Without dead ends: 230377 [2021-11-20 22:54:02,547 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-20 22:54:02,549 INFO L933 BasicCegarLoop]: 8288 mSDtfsCounter, 6468 mSDsluCounter, 24984 mSDsCounter, 0 mSdLazyCounter, 3261 mSolverCounterSat, 2 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 51.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6477 SdHoareTripleChecker+Valid, 30856 SdHoareTripleChecker+Invalid, 3270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 3261 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 53.6s IncrementalHoareTripleChecker+Time [2021-11-20 22:54:02,550 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6477 Valid, 30856 Invalid, 3270 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 3261 Invalid, 7 Unknown, 0 Unchecked, 53.6s Time] [2021-11-20 22:54:02,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230377 states. [2021-11-20 22:54:13,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230377 to 230361. [2021-11-20 22:54:13,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230361 states, 140762 states have (on average 1.2879896562992854) internal successors, (181300), 144815 states have internal predecessors, (181300), 76058 states have call successors, (76058), 13632 states have call predecessors, (76058), 13538 states have return successors, (78150), 75071 states have call predecessors, (78150), 76042 states have call successors, (78150) [2021-11-20 22:54:15,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230361 states to 230361 states and 335508 transitions. [2021-11-20 22:54:15,863 INFO L78 Accepts]: Start accepts. Automaton has 230361 states and 335508 transitions. Word has length 338 [2021-11-20 22:54:15,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 22:54:15,864 INFO L470 AbstractCegarLoop]: Abstraction has 230361 states and 335508 transitions. [2021-11-20 22:54:15,864 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (39), 3 states have call predecessors, (39), 1 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2021-11-20 22:54:15,865 INFO L276 IsEmpty]: Start isEmpty. Operand 230361 states and 335508 transitions. [2021-11-20 22:54:15,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2021-11-20 22:54:15,875 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 22:54:15,875 INFO L514 BasicCegarLoop]: trace histogram [31, 27, 27, 27, 27, 27, 27, 5, 5, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 22:54:15,876 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-20 22:54:15,876 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-20 22:54:15,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 22:54:15,876 INFO L85 PathProgramCache]: Analyzing trace with hash 854141068, now seen corresponding path program 1 times [2021-11-20 22:54:15,877 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-20 22:54:15,877 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748597197] [2021-11-20 22:54:15,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 22:54:15,877 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 22:54:16,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 22:54:16,953 INFO L134 CoverageAnalysis]: Checked inductivity of 3078 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3074 trivial. 0 not checked. [2021-11-20 22:54:16,953 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-20 22:54:16,953 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748597197] [2021-11-20 22:54:16,953 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1748597197] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 22:54:16,954 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 22:54:16,954 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 22:54:16,954 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606552656] [2021-11-20 22:54:16,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 22:54:16,955 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-20 22:54:16,955 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-20 22:54:16,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-20 22:54:16,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-20 22:54:16,956 INFO L87 Difference]: Start difference. First operand 230361 states and 335508 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (42), 3 states have call predecessors, (42), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2021-11-20 22:54:21,370 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 22:54:25,406 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 22:54:33,298 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 22:54:34,726 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 22:54:45,420 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 22:54:50,298 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 22:55:00,212 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 22:55:02,808 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 22:55:05,280 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 22:55:07,613 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 22:55:09,827 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 22:55:12,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 22:55:12,909 INFO L93 Difference]: Finished difference Result 234921 states and 342024 transitions. [2021-11-20 22:55:12,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 22:55:12,910 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (42), 3 states have call predecessors, (42), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 346 [2021-11-20 22:55:12,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 22:55:14,546 INFO L225 Difference]: With dead ends: 234921 [2021-11-20 22:55:14,546 INFO L226 Difference]: Without dead ends: 234917 [2021-11-20 22:55:14,660 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-20 22:55:14,661 INFO L933 BasicCegarLoop]: 8267 mSDtfsCounter, 6466 mSDsluCounter, 24951 mSDsCounter, 0 mSdLazyCounter, 3275 mSolverCounterSat, 2 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 47.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6476 SdHoareTripleChecker+Valid, 30793 SdHoareTripleChecker+Invalid, 3285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 3275 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 49.4s IncrementalHoareTripleChecker+Time [2021-11-20 22:55:14,662 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6476 Valid, 30793 Invalid, 3285 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 3275 Invalid, 8 Unknown, 0 Unchecked, 49.4s Time] [2021-11-20 22:55:14,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234917 states.