./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_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_a663b527-f788-4d7b-b0f2-1d09928d49b5/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a663b527-f788-4d7b-b0f2-1d09928d49b5/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_a663b527-f788-4d7b-b0f2-1d09928d49b5/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a663b527-f788-4d7b-b0f2-1d09928d49b5/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a663b527-f788-4d7b-b0f2-1d09928d49b5/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_a663b527-f788-4d7b-b0f2-1d09928d49b5/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 64aaa2c87a4de1c88eb34c3e46acac6ee922a28857b5aba2fc46176181dd1912 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 01:22:36,456 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 01:22:36,458 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 01:22:36,493 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 01:22:36,494 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 01:22:36,495 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 01:22:36,497 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 01:22:36,500 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 01:22:36,502 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 01:22:36,503 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 01:22:36,505 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 01:22:36,506 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 01:22:36,507 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 01:22:36,508 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 01:22:36,510 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 01:22:36,512 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 01:22:36,514 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 01:22:36,515 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 01:22:36,518 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 01:22:36,521 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 01:22:36,523 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 01:22:36,525 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 01:22:36,527 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 01:22:36,528 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 01:22:36,533 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 01:22:36,533 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 01:22:36,534 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 01:22:36,535 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 01:22:36,536 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 01:22:36,537 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 01:22:36,538 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 01:22:36,539 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 01:22:36,541 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 01:22:36,542 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 01:22:36,544 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 01:22:36,544 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 01:22:36,545 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 01:22:36,546 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 01:22:36,546 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 01:22:36,548 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 01:22:36,549 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 01:22:36,550 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a663b527-f788-4d7b-b0f2-1d09928d49b5/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-21 01:22:36,581 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 01:22:36,582 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 01:22:36,582 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 01:22:36,582 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 01:22:36,583 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 01:22:36,584 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 01:22:36,584 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 01:22:36,584 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 01:22:36,585 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 01:22:36,585 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-21 01:22:36,585 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 01:22:36,586 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 01:22:36,586 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-21 01:22:36,586 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-21 01:22:36,587 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 01:22:36,587 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-21 01:22:36,587 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-21 01:22:36,588 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-21 01:22:36,589 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 01:22:36,589 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 01:22:36,590 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 01:22:36,590 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 01:22:36,590 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 01:22:36,590 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 01:22:36,591 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 01:22:36,591 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 01:22:36,591 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 01:22:36,592 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 01:22:36,592 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 01:22:36,592 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:22:36,592 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 01:22:36,593 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 01:22:36,593 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 01:22:36,593 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-21 01:22:36,594 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 01:22:36,594 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 01:22:36,594 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 01:22:36,594 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 01:22:36,595 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_a663b527-f788-4d7b-b0f2-1d09928d49b5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a663b527-f788-4d7b-b0f2-1d09928d49b5/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 64aaa2c87a4de1c88eb34c3e46acac6ee922a28857b5aba2fc46176181dd1912 [2021-11-21 01:22:36,868 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 01:22:36,896 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 01:22:36,899 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 01:22:36,900 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 01:22:36,901 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 01:22:36,903 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a663b527-f788-4d7b-b0f2-1d09928d49b5/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i [2021-11-21 01:22:36,971 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a663b527-f788-4d7b-b0f2-1d09928d49b5/bin/utaipan-TEXQjIfE4P/data/db929de81/e3eea0e4baa548e19a886ba275c511fa/FLAG5db966712 [2021-11-21 01:22:38,121 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 01:22:38,121 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a663b527-f788-4d7b-b0f2-1d09928d49b5/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i [2021-11-21 01:22:38,215 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a663b527-f788-4d7b-b0f2-1d09928d49b5/bin/utaipan-TEXQjIfE4P/data/db929de81/e3eea0e4baa548e19a886ba275c511fa/FLAG5db966712 [2021-11-21 01:22:38,324 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a663b527-f788-4d7b-b0f2-1d09928d49b5/bin/utaipan-TEXQjIfE4P/data/db929de81/e3eea0e4baa548e19a886ba275c511fa [2021-11-21 01:22:38,326 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 01:22:38,327 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 01:22:38,328 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 01:22:38,329 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 01:22:38,333 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 01:22:38,334 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:22:38" (1/1) ... [2021-11-21 01:22:38,336 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4315a893 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:22:38, skipping insertion in model container [2021-11-21 01:22:38,336 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:22:38" (1/1) ... [2021-11-21 01:22:38,344 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 01:22:38,581 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 01:22:46,014 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_a663b527-f788-4d7b-b0f2-1d09928d49b5/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i[656828,656841] [2021-11-21 01:22:46,018 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_a663b527-f788-4d7b-b0f2-1d09928d49b5/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i[656994,657007] [2021-11-21 01:22:46,018 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_a663b527-f788-4d7b-b0f2-1d09928d49b5/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i[657158,657171] [2021-11-21 01:22:46,019 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_a663b527-f788-4d7b-b0f2-1d09928d49b5/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i[657323,657336] [2021-11-21 01:22:46,065 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:22:46,201 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 01:22:47,036 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_a663b527-f788-4d7b-b0f2-1d09928d49b5/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i[656828,656841] [2021-11-21 01:22:47,036 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_a663b527-f788-4d7b-b0f2-1d09928d49b5/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i[656994,657007] [2021-11-21 01:22:47,037 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_a663b527-f788-4d7b-b0f2-1d09928d49b5/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i[657158,657171] [2021-11-21 01:22:47,037 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_a663b527-f788-4d7b-b0f2-1d09928d49b5/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i[657323,657336] [2021-11-21 01:22:47,052 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 01:22:47,826 INFO L208 MainTranslator]: Completed translation [2021-11-21 01:22:47,827 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:22:47 WrapperNode [2021-11-21 01:22:47,827 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 01:22:47,828 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 01:22:47,828 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 01:22:47,828 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 01:22:47,837 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:22:47" (1/1) ... [2021-11-21 01:22:48,175 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:22:47" (1/1) ... [2021-11-21 01:22:48,836 INFO L137 Inliner]: procedures = 722, calls = 8418, calls flagged for inlining = 374, calls inlined = 328, statements flattened = 16728 [2021-11-21 01:22:48,837 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 01:22:48,838 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 01:22:48,838 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 01:22:48,838 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 01:22:48,848 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:22:47" (1/1) ... [2021-11-21 01:22:48,848 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:22:47" (1/1) ... [2021-11-21 01:22:48,965 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:22:47" (1/1) ... [2021-11-21 01:22:48,977 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:22:47" (1/1) ... [2021-11-21 01:22:49,270 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:22:47" (1/1) ... [2021-11-21 01:22:49,457 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:22:47" (1/1) ... [2021-11-21 01:22:49,524 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:22:47" (1/1) ... [2021-11-21 01:22:49,670 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 01:22:49,672 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 01:22:49,672 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 01:22:49,672 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 01:22:49,673 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:22:47" (1/1) ... [2021-11-21 01:22:49,694 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:22:49,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a663b527-f788-4d7b-b0f2-1d09928d49b5/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:22:49,761 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a663b527-f788-4d7b-b0f2-1d09928d49b5/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-21 01:22:49,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a663b527-f788-4d7b-b0f2-1d09928d49b5/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-21 01:22:49,899 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-11-21 01:22:49,899 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-11-21 01:22:49,900 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_resolve_flow_ctrl [2021-11-21 01:22:49,900 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_resolve_flow_ctrl [2021-11-21 01:22:49,900 INFO L130 BoogieDeclarations]: Found specification of procedure load_rv2p_fw [2021-11-21 01:22:49,900 INFO L138 BoogieDeclarations]: Found implementation of procedure load_rv2p_fw [2021-11-21 01:22:49,900 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_bmsr1 [2021-11-21 01:22:49,901 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_bmsr1 [2021-11-21 01:22:49,901 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2021-11-21 01:22:49,901 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2021-11-21 01:22:49,901 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2021-11-21 01:22:49,901 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2021-11-21 01:22:49,901 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_int [2021-11-21 01:22:49,902 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_int [2021-11-21 01:22:49,902 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-11-21 01:22:49,902 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-11-21 01:22:49,902 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-21 01:22:49,902 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-21 01:22:49,902 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-11-21 01:22:49,903 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-11-21 01:22:49,903 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_rxbd_rings [2021-11-21 01:22:49,903 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_rxbd_rings [2021-11-21 01:22:49,903 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_nvram_read_dword [2021-11-21 01:22:49,903 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_nvram_read_dword [2021-11-21 01:22:49,903 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-11-21 01:22:49,904 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-11-21 01:22:49,904 INFO L130 BoogieDeclarations]: Found specification of procedure get_l2_fhdr [2021-11-21 01:22:49,904 INFO L138 BoogieDeclarations]: Found implementation of procedure get_l2_fhdr [2021-11-21 01:22:49,904 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_cnic_stop [2021-11-21 01:22:49,904 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_cnic_stop [2021-11-21 01:22:49,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-21 01:22:49,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-21 01:22:49,905 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_netif_start [2021-11-21 01:22:49,905 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_netif_start [2021-11-21 01:22:49,906 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_int_mode [2021-11-21 01:22:49,906 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_int_mode [2021-11-21 01:22:49,906 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2021-11-21 01:22:49,906 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2021-11-21 01:22:49,906 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_bmsr1 [2021-11-21 01:22:49,907 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_bmsr1 [2021-11-21 01:22:49,907 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_11_4 [2021-11-21 01:22:49,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_11_4 [2021-11-21 01:22:49,907 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_forced_2g5 [2021-11-21 01:22:49,908 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_forced_2g5 [2021-11-21 01:22:49,909 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2021-11-21 01:22:49,910 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2021-11-21 01:22:49,910 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_xceiver_str [2021-11-21 01:22:49,910 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_xceiver_str [2021-11-21 01:22:49,910 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_rx_context [2021-11-21 01:22:49,910 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_rx_context [2021-11-21 01:22:49,911 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-21 01:22:49,911 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-21 01:22:49,911 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-11-21 01:22:49,927 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-11-21 01:22:49,928 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-21 01:22:49,928 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-21 01:22:49,928 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_resume [2021-11-21 01:22:49,928 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_resume [2021-11-21 01:22:49,929 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_pcie_error_reporting [2021-11-21 01:22:49,929 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_pcie_error_reporting [2021-11-21 01:22:49,929 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_ctx_wr [2021-11-21 01:22:49,929 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_ctx_wr [2021-11-21 01:22:49,929 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2021-11-21 01:22:49,929 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2021-11-21 01:22:49,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_timer_instance_5 [2021-11-21 01:22:49,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_timer_instance_5 [2021-11-21 01:22:49,930 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-21 01:22:49,930 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-21 01:22:49,930 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_remote_phy [2021-11-21 01:22:49,930 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_remote_phy [2021-11-21 01:22:49,931 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_alloc_rx_data [2021-11-21 01:22:49,932 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_alloc_rx_data [2021-11-21 01:22:49,932 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_phy [2021-11-21 01:22:49,932 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_phy [2021-11-21 01:22:49,932 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_unlock [2021-11-21 01:22:49,932 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_unlock [2021-11-21 01:22:49,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_24 [2021-11-21 01:22:49,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_24 [2021-11-21 01:22:49,934 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-21 01:22:49,934 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-21 01:22:49,934 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-21 01:22:49,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-21 01:22:49,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-21 01:22:49,936 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-21 01:22:49,936 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-21 01:22:49,936 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-21 01:22:49,937 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-21 01:22:49,938 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-21 01:22:49,938 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-21 01:22:49,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-21 01:22:49,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-21 01:22:49,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2021-11-21 01:22:49,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2021-11-21 01:22:49,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_instance_callback_5_2 [2021-11-21 01:22:49,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_instance_callback_5_2 [2021-11-21 01:22:49,939 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-11-21 01:22:49,939 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-11-21 01:22:49,939 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 01:22:49,939 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_napi [2021-11-21 01:22:49,940 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_napi [2021-11-21 01:22:49,940 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_read_phy [2021-11-21 01:22:49,940 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_read_phy [2021-11-21 01:22:49,941 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2021-11-21 01:22:49,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2021-11-21 01:22:49,942 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-11-21 01:22:49,942 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-11-21 01:22:49,945 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_request_irq [2021-11-21 01:22:49,946 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_request_irq [2021-11-21 01:22:49,947 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-11-21 01:22:49,947 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-11-21 01:22:49,948 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reg_wr_ind [2021-11-21 01:22:49,948 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reg_wr_ind [2021-11-21 01:22:49,949 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-21 01:22:49,949 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-21 01:22:49,949 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-21 01:22:49,954 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-21 01:22:49,954 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-21 01:22:49,955 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-21 01:22:49,955 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-11-21 01:22:49,955 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-11-21 01:22:49,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-21 01:22:49,955 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2021-11-21 01:22:49,956 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2021-11-21 01:22:49,956 INFO L130 BoogieDeclarations]: Found specification of procedure __napi_schedule [2021-11-21 01:22:49,956 INFO L138 BoogieDeclarations]: Found implementation of procedure __napi_schedule [2021-11-21 01:22:49,956 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_rx_mode [2021-11-21 01:22:49,956 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_rx_mode [2021-11-21 01:22:49,956 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_test_intr [2021-11-21 01:22:49,956 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_test_intr [2021-11-21 01:22:49,957 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-21 01:22:49,957 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-21 01:22:49,957 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_nic [2021-11-21 01:22:49,957 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_nic [2021-11-21 01:22:49,957 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-21 01:22:49,957 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-21 01:22:49,958 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_wol [2021-11-21 01:22:49,958 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_wol [2021-11-21 01:22:49,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-21 01:22:49,958 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-21 01:22:49,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-21 01:22:49,958 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_mac_addr [2021-11-21 01:22:49,958 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_mac_addr [2021-11-21 01:22:49,959 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reset_nic [2021-11-21 01:22:49,959 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reset_nic [2021-11-21 01:22:49,959 INFO L130 BoogieDeclarations]: Found specification of procedure dma_sync_single_for_cpu [2021-11-21 01:22:49,959 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_sync_single_for_cpu [2021-11-21 01:22:49,959 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_msi [2021-11-21 01:22:49,959 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_msi [2021-11-21 01:22:49,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 01:22:49,960 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-21 01:22:49,960 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-21 01:22:49,960 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2021-11-21 01:22:49,960 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2021-11-21 01:22:49,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-21 01:22:49,960 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-21 01:22:49,960 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_free_skbs [2021-11-21 01:22:49,961 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_free_skbs [2021-11-21 01:22:49,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-21 01:22:49,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-21 01:22:49,961 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_channels [2021-11-21 01:22:49,961 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_channels [2021-11-21 01:22:49,961 INFO L130 BoogieDeclarations]: Found specification of procedure __bnx2_free_irq [2021-11-21 01:22:49,962 INFO L138 BoogieDeclarations]: Found implementation of procedure __bnx2_free_irq [2021-11-21 01:22:49,962 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_test_and_enable_2g5 [2021-11-21 01:22:49,962 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_test_and_enable_2g5 [2021-11-21 01:22:49,962 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-11-21 01:22:49,962 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-11-21 01:22:49,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-21 01:22:49,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-21 01:22:49,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_59 [2021-11-21 01:22:49,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_59 [2021-11-21 01:22:49,963 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_self_test [2021-11-21 01:22:49,963 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_self_test [2021-11-21 01:22:49,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-21 01:22:49,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-21 01:22:49,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_dummy_resourceless_instance_1 [2021-11-21 01:22:49,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_dummy_resourceless_instance_1 [2021-11-21 01:22:49,964 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2021-11-21 01:22:49,964 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2021-11-21 01:22:49,966 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_msix_tbl [2021-11-21 01:22:49,966 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_msix_tbl [2021-11-21 01:22:49,967 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_int_sync [2021-11-21 01:22:49,967 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_int_sync [2021-11-21 01:22:49,967 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-11-21 01:22:49,967 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-11-21 01:22:49,967 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_open [2021-11-21 01:22:49,967 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_open [2021-11-21 01:22:49,968 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reset_chip [2021-11-21 01:22:49,968 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reset_chip [2021-11-21 01:22:49,968 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_del_napi [2021-11-21 01:22:49,968 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_del_napi [2021-11-21 01:22:49,968 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-11-21 01:22:49,968 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-11-21 01:22:49,968 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_settings [2021-11-21 01:22:49,969 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_settings [2021-11-21 01:22:49,969 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-21 01:22:49,969 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-21 01:22:49,969 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_lock [2021-11-21 01:22:49,969 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_lock [2021-11-21 01:22:49,969 INFO L130 BoogieDeclarations]: Found specification of procedure check_mips_fw_entry [2021-11-21 01:22:49,970 INFO L138 BoogieDeclarations]: Found implementation of procedure check_mips_fw_entry [2021-11-21 01:22:49,970 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_cnic_start [2021-11-21 01:22:49,970 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_cnic_start [2021-11-21 01:22:49,970 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_shmem_rd [2021-11-21 01:22:49,970 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_shmem_rd [2021-11-21 01:22:49,970 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_mac_link [2021-11-21 01:22:49,970 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_mac_link [2021-11-21 01:22:49,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 01:22:49,971 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_timer [2021-11-21 01:22:49,971 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_timer [2021-11-21 01:22:49,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev [2021-11-21 01:22:49,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev [2021-11-21 01:22:49,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-11-21 01:22:49,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-11-21 01:22:49,972 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-11-21 01:22:49,972 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-11-21 01:22:49,972 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_napi_enable [2021-11-21 01:22:49,972 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_napi_enable [2021-11-21 01:22:49,972 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 01:22:49,973 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-21 01:22:49,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-21 01:22:49,973 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-21 01:22:49,973 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-21 01:22:49,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 01:22:49,973 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2021-11-21 01:22:49,973 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2021-11-21 01:22:49,974 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-21 01:22:49,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_29 [2021-11-21 01:22:49,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_29 [2021-11-21 01:22:49,974 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_wol [2021-11-21 01:22:49,974 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_wol [2021-11-21 01:22:49,974 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-21 01:22:49,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-21 01:22:49,980 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_pauseparam [2021-11-21 01:22:49,981 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_pauseparam [2021-11-21 01:22:49,981 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-11-21 01:22:49,981 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-11-21 01:22:49,981 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-21 01:22:49,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-21 01:22:49,981 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_tx_timeout [2021-11-21 01:22:49,982 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_tx_timeout [2021-11-21 01:22:49,982 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_one [2021-11-21 01:22:49,983 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_one [2021-11-21 01:22:49,985 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-21 01:22:49,985 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-21 01:22:49,985 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-11-21 01:22:49,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-11-21 01:22:49,986 INFO L130 BoogieDeclarations]: Found specification of procedure pci_vpd_find_info_keyword [2021-11-21 01:22:49,986 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_vpd_find_info_keyword [2021-11-21 01:22:49,986 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_disable [2021-11-21 01:22:49,986 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_disable [2021-11-21 01:22:49,986 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_acquire_nvram_lock [2021-11-21 01:22:49,986 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_acquire_nvram_lock [2021-11-21 01:22:49,987 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_remove_one [2021-11-21 01:22:49,987 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_remove_one [2021-11-21 01:22:49,987 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-11-21 01:22:49,987 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-11-21 01:22:49,987 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-21 01:22:49,987 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-21 01:22:49,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_53 [2021-11-21 01:22:49,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_53 [2021-11-21 01:22:49,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_52 [2021-11-21 01:22:49,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_52 [2021-11-21 01:22:49,988 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-11-21 01:22:49,988 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-11-21 01:22:49,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-21 01:22:49,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-21 01:22:49,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_49 [2021-11-21 01:22:49,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_49 [2021-11-21 01:22:49,989 INFO L130 BoogieDeclarations]: Found specification of procedure lock_is_held [2021-11-21 01:22:49,989 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_is_held [2021-11-21 01:22:49,989 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2021-11-21 01:22:49,989 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2021-11-21 01:22:49,989 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-11-21 01:22:49,990 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-11-21 01:22:49,990 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_nvram_access [2021-11-21 01:22:49,990 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_nvram_access [2021-11-21 01:22:49,990 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2021-11-21 01:22:49,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2021-11-21 01:22:49,990 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-11-21 01:22:49,990 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-11-21 01:22:49,991 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-21 01:22:49,991 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-21 01:22:49,991 INFO L130 BoogieDeclarations]: Found specification of procedure check_fw_section [2021-11-21 01:22:49,991 INFO L138 BoogieDeclarations]: Found implementation of procedure check_fw_section [2021-11-21 01:22:49,991 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_settings [2021-11-21 01:22:49,991 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_settings [2021-11-21 01:22:49,991 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule_prep [2021-11-21 01:22:49,992 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule_prep [2021-11-21 01:22:49,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_40 [2021-11-21 01:22:49,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_40 [2021-11-21 01:22:49,992 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_run_loopback [2021-11-21 01:22:49,992 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_run_loopback [2021-11-21 01:22:49,992 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2021-11-21 01:22:49,992 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2021-11-21 01:22:49,993 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_napi_disable [2021-11-21 01:22:49,993 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_napi_disable [2021-11-21 01:22:49,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 01:22:49,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 01:22:49,993 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-11-21 01:22:49,993 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-11-21 01:22:49,993 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-11-21 01:22:49,994 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-11-21 01:22:49,994 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_nvram_write_dword [2021-11-21 01:22:49,994 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_nvram_write_dword [2021-11-21 01:22:49,994 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-21 01:22:49,994 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-21 01:22:49,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-21 01:22:49,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-21 01:22:49,994 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-21 01:22:49,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-21 01:22:49,995 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_link [2021-11-21 01:22:49,995 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_link [2021-11-21 01:22:49,995 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-21 01:22:49,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-21 01:22:49,995 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2021-11-21 01:22:49,995 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2021-11-21 01:22:49,996 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_int [2021-11-21 01:22:49,996 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_int [2021-11-21 01:22:49,996 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-21 01:22:49,996 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-21 01:22:49,996 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-21 01:22:49,996 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_34 [2021-11-21 01:22:49,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_34 [2021-11-21 01:22:49,997 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-11-21 01:22:49,997 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-11-21 01:22:49,997 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-11-21 01:22:49,997 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-11-21 01:22:49,997 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-21 01:22:49,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-21 01:22:49,997 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_nvram_access [2021-11-21 01:22:49,998 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_nvram_access [2021-11-21 01:22:49,998 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_free_mem [2021-11-21 01:22:49,998 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_free_mem [2021-11-21 01:22:49,998 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-11-21 01:22:49,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-11-21 01:22:49,998 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-21 01:22:49,998 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-21 01:22:49,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-21 01:22:49,999 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-21 01:22:49,999 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_release_nvram_lock [2021-11-21 01:22:49,999 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_release_nvram_lock [2021-11-21 01:22:49,999 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-11-21 01:22:49,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-11-21 01:22:49,999 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_nway_reset [2021-11-21 01:22:50,000 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_nway_reset [2021-11-21 01:22:50,000 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2021-11-21 01:22:50,000 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2021-11-21 01:22:50,000 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_has_work [2021-11-21 01:22:50,000 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_has_work [2021-11-21 01:22:50,000 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_has_fast_work [2021-11-21 01:22:50,001 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_has_fast_work [2021-11-21 01:22:50,001 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2021-11-21 01:22:50,001 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2021-11-21 01:22:50,001 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-11-21 01:22:50,001 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-11-21 01:22:50,001 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_tx_avail [2021-11-21 01:22:50,001 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_tx_avail [2021-11-21 01:22:50,002 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_test_link [2021-11-21 01:22:50,002 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_test_link [2021-11-21 01:22:50,002 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-11-21 01:22:50,002 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-11-21 01:22:50,002 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-21 01:22:50,002 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-21 01:22:50,002 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 01:22:50,003 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_report_link [2021-11-21 01:22:50,003 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_report_link [2021-11-21 01:22:50,003 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reset_phy [2021-11-21 01:22:50,003 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reset_phy [2021-11-21 01:22:50,003 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_phy [2021-11-21 01:22:50,004 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_phy [2021-11-21 01:22:50,004 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-11-21 01:22:50,005 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-11-21 01:22:50,005 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_hw_rx_cons [2021-11-21 01:22:50,005 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_hw_rx_cons [2021-11-21 01:22:50,005 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-21 01:22:50,005 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-21 01:22:50,005 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_nvram [2021-11-21 01:22:50,005 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_nvram [2021-11-21 01:22:50,006 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 01:22:50,006 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_change_ring_size [2021-11-21 01:22:50,006 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_change_ring_size [2021-11-21 01:22:50,006 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_power_state [2021-11-21 01:22:50,006 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_power_state [2021-11-21 01:22:50,006 INFO L130 BoogieDeclarations]: Found specification of procedure load_cpu_fw [2021-11-21 01:22:50,006 INFO L138 BoogieDeclarations]: Found implementation of procedure load_cpu_fw [2021-11-21 01:22:50,007 INFO L130 BoogieDeclarations]: Found specification of procedure __free_pages [2021-11-21 01:22:50,007 INFO L138 BoogieDeclarations]: Found implementation of procedure __free_pages [2021-11-21 01:22:50,007 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_default_remote_link [2021-11-21 01:22:50,007 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_default_remote_link [2021-11-21 01:22:50,007 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_io_resume [2021-11-21 01:22:50,007 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_io_resume [2021-11-21 01:22:50,007 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_write_phy [2021-11-21 01:22:50,008 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_write_phy [2021-11-21 01:22:50,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-21 01:22:50,008 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_hw_tx_cons [2021-11-21 01:22:50,008 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_hw_tx_cons [2021-11-21 01:22:50,008 INFO L130 BoogieDeclarations]: Found specification of procedure pci_vpd_info_field_size [2021-11-21 01:22:50,008 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_vpd_info_field_size [2021-11-21 01:22:50,008 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-21 01:22:50,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-21 01:22:50,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-11-21 01:22:50,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-11-21 01:22:50,009 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_fw_sync [2021-11-21 01:22:50,009 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_fw_sync [2021-11-21 01:22:50,009 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_shmem_wr [2021-11-21 01:22:50,010 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_shmem_wr [2021-11-21 01:22:50,010 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-21 01:22:50,010 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-21 01:22:50,010 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_5706s_force_link_dn [2021-11-21 01:22:50,010 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_5706s_force_link_dn [2021-11-21 01:22:50,010 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-11-21 01:22:50,010 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-11-21 01:22:50,011 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_default_link [2021-11-21 01:22:50,011 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_default_link [2021-11-21 01:22:50,011 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-21 01:22:50,011 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-21 01:22:50,011 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_phy_get_pause_adv [2021-11-21 01:22:50,011 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_phy_get_pause_adv [2021-11-21 01:22:50,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-21 01:22:50,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-21 01:22:50,012 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_remote_phy_event [2021-11-21 01:22:50,012 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_remote_phy_event [2021-11-21 01:22:50,012 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2021-11-21 01:22:50,012 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2021-11-21 01:22:50,012 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_nvram_read [2021-11-21 01:22:50,012 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_nvram_read [2021-11-21 01:22:50,013 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-21 01:22:50,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-21 01:22:50,013 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_change_mac_addr [2021-11-21 01:22:50,013 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_change_mac_addr [2021-11-21 01:22:50,013 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_fw_cap [2021-11-21 01:22:50,013 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_fw_cap [2021-11-21 01:22:50,013 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reg_rd_ind [2021-11-21 01:22:50,014 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reg_rd_ind [2021-11-21 01:22:50,014 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2021-11-21 01:22:50,014 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2021-11-21 01:22:50,014 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_nvram_write [2021-11-21 01:22:50,014 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_nvram_write [2021-11-21 01:22:50,014 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-11-21 01:22:50,015 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-11-21 01:22:50,015 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-11-21 01:22:50,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-11-21 01:22:50,015 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-21 01:22:50,015 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-21 01:22:50,015 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-21 01:22:50,015 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-21 01:22:50,015 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-11-21 01:22:50,016 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-11-21 01:22:50,016 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2021-11-21 01:22:50,016 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2021-11-21 01:22:50,016 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_cnic_irq_info [2021-11-21 01:22:50,016 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_cnic_irq_info [2021-11-21 01:22:50,016 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-21 01:22:50,016 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-21 01:22:50,017 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_shutdown [2021-11-21 01:22:50,017 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_shutdown [2021-11-21 01:22:50,017 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_suspend [2021-11-21 01:22:50,017 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_suspend [2021-11-21 01:22:50,017 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_forced_2g5 [2021-11-21 01:22:50,017 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_forced_2g5 [2021-11-21 01:22:50,017 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_change_mtu [2021-11-21 01:22:50,017 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_change_mtu [2021-11-21 01:22:50,018 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cnic_lock_of_bnx2 [2021-11-21 01:22:50,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cnic_lock_of_bnx2 [2021-11-21 01:22:50,018 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cnic_lock_of_bnx2 [2021-11-21 01:22:50,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cnic_lock_of_bnx2 [2021-11-21 01:22:50,018 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-21 01:22:50,018 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-21 01:22:50,018 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-11-21 01:22:50,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-11-21 01:22:50,019 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_netif_stop [2021-11-21 01:22:50,019 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_netif_stop [2021-11-21 01:22:50,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 01:22:50,019 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_ringparam [2021-11-21 01:22:50,019 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_ringparam [2021-11-21 01:22:50,019 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-21 01:22:50,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-21 01:22:50,020 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_find_max_ring [2021-11-21 01:22:50,020 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_find_max_ring [2021-11-21 01:22:50,020 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_coalesce [2021-11-21 01:22:50,020 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_coalesce [2021-11-21 01:22:50,020 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_register_10_2 [2021-11-21 01:22:50,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_register_10_2 [2021-11-21 01:22:50,021 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_send_heart_beat [2021-11-21 01:22:50,021 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_send_heart_beat [2021-11-21 01:22:50,021 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2021-11-21 01:22:50,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2021-11-21 01:22:50,021 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_alloc_rx_page [2021-11-21 01:22:50,021 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_alloc_rx_page [2021-11-21 01:22:50,021 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_eeprom_len [2021-11-21 01:22:50,021 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_eeprom_len [2021-11-21 01:22:50,022 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-21 01:22:50,022 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-21 01:22:50,022 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-11-21 01:22:50,022 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-11-21 01:22:50,022 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2021-11-21 01:22:50,022 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2021-11-21 01:22:50,022 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_release_firmware [2021-11-21 01:22:50,023 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_release_firmware [2021-11-21 01:22:50,023 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-11-21 01:22:50,023 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-11-21 01:22:50,023 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-11-21 01:22:50,023 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-11-21 01:22:50,023 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_shutdown_chip [2021-11-21 01:22:50,023 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_shutdown_chip [2021-11-21 01:22:50,024 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_regs_len [2021-11-21 01:22:50,024 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_regs_len [2021-11-21 01:22:50,024 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_alloc_mem [2021-11-21 01:22:50,024 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_alloc_mem [2021-11-21 01:22:50,024 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_close [2021-11-21 01:22:50,024 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_close [2021-11-21 01:22:50,024 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-21 01:22:50,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-21 01:22:50,025 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-11-21 01:22:50,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-11-21 01:22:50,025 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_coalesce [2021-11-21 01:22:50,025 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_coalesce [2021-11-21 01:22:50,025 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2021-11-21 01:22:50,025 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2021-11-21 01:22:50,025 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-11-21 01:22:50,026 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-11-21 01:22:50,026 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-11-21 01:22:50,026 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-11-21 01:22:50,026 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-21 01:22:50,026 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-21 01:22:50,026 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-21 01:22:50,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-21 01:22:50,027 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2021-11-21 01:22:50,027 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2021-11-21 01:22:50,027 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-11-21 01:22:50,027 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-11-21 01:22:50,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 01:22:50,027 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_free_irq [2021-11-21 01:22:50,027 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_free_irq [2021-11-21 01:22:50,028 INFO L130 BoogieDeclarations]: Found specification of procedure poll_bnx2 [2021-11-21 01:22:50,028 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_bnx2 [2021-11-21 01:22:50,028 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2021-11-21 01:22:50,028 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2021-11-21 01:22:50,028 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_features [2021-11-21 01:22:50,028 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_features [2021-11-21 01:22:50,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-21 01:22:50,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-21 01:22:50,029 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_rx_ring_size [2021-11-21 01:22:50,029 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_rx_ring_size [2021-11-21 01:22:50,029 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_dump_mcp_state [2021-11-21 01:22:50,029 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_dump_mcp_state [2021-11-21 01:22:51,878 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 01:22:51,885 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 01:22:52,356 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-21 01:25:28,375 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 01:25:35,545 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 01:25:35,545 INFO L301 CfgBuilder]: Removed 6 assume(true) statements. [2021-11-21 01:25:35,560 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:25:35 BoogieIcfgContainer [2021-11-21 01:25:35,560 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 01:25:35,562 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-21 01:25:35,562 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-21 01:25:35,570 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-21 01:25:35,571 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 01:22:38" (1/3) ... [2021-11-21 01:25:35,572 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d80f571 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:25:35, skipping insertion in model container [2021-11-21 01:25:35,572 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:22:47" (2/3) ... [2021-11-21 01:25:35,572 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d80f571 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 01:25:35, skipping insertion in model container [2021-11-21 01:25:35,572 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 01:25:35" (3/3) ... [2021-11-21 01:25:35,574 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i [2021-11-21 01:25:35,580 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-21 01:25:35,580 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-21 01:25:35,662 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-21 01:25:35,670 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 [2021-11-21 01:25:35,670 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-21 01:25:35,792 INFO L276 IsEmpty]: Start isEmpty. Operand has 4485 states, 2690 states have (on average 1.2847583643122678) internal successors, (3456), 2788 states have internal predecessors, (3456), 1528 states have call successors, (1528), 264 states have call predecessors, (1528), 263 states have return successors, (1521), 1500 states have call predecessors, (1521), 1521 states have call successors, (1521) [2021-11-21 01:25:35,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-21 01:25:35,798 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:25:35,799 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 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] [2021-11-21 01:25:35,799 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)] === [2021-11-21 01:25:35,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:25:35,805 INFO L85 PathProgramCache]: Analyzing trace with hash 903596430, now seen corresponding path program 1 times [2021-11-21 01:25:35,814 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:25:35,815 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688164716] [2021-11-21 01:25:35,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:25:35,816 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:25:36,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:25:36,847 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-21 01:25:36,848 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:25:36,848 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688164716] [2021-11-21 01:25:36,849 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1688164716] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:25:36,849 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:25:36,849 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-21 01:25:36,851 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468670872] [2021-11-21 01:25:36,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:25:36,857 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-21 01:25:36,858 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:25:36,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-21 01:25:36,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-21 01:25:36,911 INFO L87 Difference]: Start difference. First operand has 4485 states, 2690 states have (on average 1.2847583643122678) internal successors, (3456), 2788 states have internal predecessors, (3456), 1528 states have call successors, (1528), 264 states have call predecessors, (1528), 263 states have return successors, (1521), 1500 states have call predecessors, (1521), 1521 states have call successors, (1521) Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2021-11-21 01:25:43,968 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 [] [2021-11-21 01:25:47,050 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:25:52,880 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:25:53,890 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:25:55,913 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:26:01,152 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:26:05,302 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:26:10,794 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:26:21,069 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:26:23,452 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:26:25,680 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:26:28,010 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:26:30,240 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:26:32,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:26:32,344 INFO L93 Difference]: Finished difference Result 13151 states and 19327 transitions. [2021-11-21 01:26:32,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-21 01:26:32,347 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 35 [2021-11-21 01:26:32,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:26:32,472 INFO L225 Difference]: With dead ends: 13151 [2021-11-21 01:26:32,472 INFO L226 Difference]: Without dead ends: 8663 [2021-11-21 01:26:32,530 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 [2021-11-21 01:26:32,533 INFO L933 BasicCegarLoop]: 7528 mSDtfsCounter, 6163 mSDsluCounter, 22908 mSDsCounter, 0 mSdLazyCounter, 2748 mSolverCounterSat, 3 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 52.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6172 SdHoareTripleChecker+Valid, 28396 SdHoareTripleChecker+Invalid, 2760 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 2748 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 54.3s IncrementalHoareTripleChecker+Time [2021-11-21 01:26:32,535 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6172 Valid, 28396 Invalid, 2760 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 2748 Invalid, 9 Unknown, 0 Unchecked, 54.3s Time] [2021-11-21 01:26:32,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8663 states. [2021-11-21 01:26:33,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8663 to 8619. [2021-11-21 01:26:33,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8619 states, 5174 states have (on average 1.2816003092385002) internal successors, (6631), 5353 states have internal predecessors, (6631), 2933 states have call successors, (2933), 511 states have call predecessors, (2933), 509 states have return successors, (3009), 2883 states have call predecessors, (3009), 2927 states have call successors, (3009) [2021-11-21 01:26:33,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8619 states to 8619 states and 12573 transitions. [2021-11-21 01:26:33,429 INFO L78 Accepts]: Start accepts. Automaton has 8619 states and 12573 transitions. Word has length 35 [2021-11-21 01:26:33,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:26:33,430 INFO L470 AbstractCegarLoop]: Abstraction has 8619 states and 12573 transitions. [2021-11-21 01:26:33,432 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2021-11-21 01:26:33,432 INFO L276 IsEmpty]: Start isEmpty. Operand 8619 states and 12573 transitions. [2021-11-21 01:26:33,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-21 01:26:33,436 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:26:33,437 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 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] [2021-11-21 01:26:33,437 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-21 01:26:33,437 INFO L402 AbstractCegarLoop]: === Iteration 2 === 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)] === [2021-11-21 01:26:33,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:26:33,441 INFO L85 PathProgramCache]: Analyzing trace with hash 896776151, now seen corresponding path program 1 times [2021-11-21 01:26:33,442 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:26:33,442 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521137931] [2021-11-21 01:26:33,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:26:33,442 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:26:33,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:26:34,141 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-21 01:26:34,141 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:26:34,141 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521137931] [2021-11-21 01:26:34,142 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [521137931] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:26:34,142 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:26:34,142 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-21 01:26:34,142 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645011486] [2021-11-21 01:26:34,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:26:34,145 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-21 01:26:34,145 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:26:34,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-21 01:26:34,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-21 01:26:34,146 INFO L87 Difference]: Start difference. First operand 8619 states and 12573 transitions. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-11-21 01:26:41,756 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:26:44,873 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:26:49,327 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:26:57,192 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:27:01,398 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:27:09,118 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:27:11,420 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:27:13,654 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:27:15,948 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:27:18,124 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:27:20,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:27:20,589 INFO L93 Difference]: Finished difference Result 15509 states and 22525 transitions. [2021-11-21 01:27:20,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-21 01:27:20,589 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 40 [2021-11-21 01:27:20,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:27:20,735 INFO L225 Difference]: With dead ends: 15509 [2021-11-21 01:27:20,735 INFO L226 Difference]: Without dead ends: 15507 [2021-11-21 01:27:20,749 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 [2021-11-21 01:27:20,752 INFO L933 BasicCegarLoop]: 7070 mSDtfsCounter, 6169 mSDsluCounter, 21052 mSDsCounter, 0 mSdLazyCounter, 2557 mSolverCounterSat, 1 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 43.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6183 SdHoareTripleChecker+Valid, 26234 SdHoareTripleChecker+Invalid, 2567 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2557 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 45.3s IncrementalHoareTripleChecker+Time [2021-11-21 01:27:20,752 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6183 Valid, 26234 Invalid, 2567 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2557 Invalid, 9 Unknown, 0 Unchecked, 45.3s Time] [2021-11-21 01:27:20,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15507 states. [2021-11-21 01:27:21,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15507 to 15499. [2021-11-21 01:27:21,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15499 states, 9335 states have (on average 1.2802356722013926) internal successors, (11951), 9648 states have internal predecessors, (11951), 5218 states have call successors, (5218), 942 states have call predecessors, (5218), 943 states have return successors, (5347), 5137 states have call predecessors, (5347), 5212 states have call successors, (5347) [2021-11-21 01:27:22,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15499 states to 15499 states and 22516 transitions. [2021-11-21 01:27:22,177 INFO L78 Accepts]: Start accepts. Automaton has 15499 states and 22516 transitions. Word has length 40 [2021-11-21 01:27:22,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:27:22,178 INFO L470 AbstractCegarLoop]: Abstraction has 15499 states and 22516 transitions. [2021-11-21 01:27:22,178 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-11-21 01:27:22,178 INFO L276 IsEmpty]: Start isEmpty. Operand 15499 states and 22516 transitions. [2021-11-21 01:27:22,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-21 01:27:22,180 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:27:22,181 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:27:22,181 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-21 01:27:22,181 INFO L402 AbstractCegarLoop]: === Iteration 3 === 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)] === [2021-11-21 01:27:22,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:27:22,182 INFO L85 PathProgramCache]: Analyzing trace with hash -95459602, now seen corresponding path program 1 times [2021-11-21 01:27:22,182 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:27:22,182 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452636763] [2021-11-21 01:27:22,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:27:22,183 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:27:22,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:27:22,725 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-21 01:27:22,725 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:27:22,725 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [452636763] [2021-11-21 01:27:22,725 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [452636763] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:27:22,726 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:27:22,726 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-21 01:27:22,726 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572563388] [2021-11-21 01:27:22,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:27:22,727 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-21 01:27:22,727 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:27:22,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-21 01:27:22,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-21 01:27:22,728 INFO L87 Difference]: Start difference. First operand 15499 states and 22516 transitions. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-11-21 01:27:30,235 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:27:37,446 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:27:42,378 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:27:47,371 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:27:50,949 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:27:58,698 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:28:01,056 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:28:03,324 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:28:05,634 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:28:07,788 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:28:09,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:28:09,632 INFO L93 Difference]: Finished difference Result 15517 states and 22531 transitions. [2021-11-21 01:28:09,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-21 01:28:09,632 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 45 [2021-11-21 01:28:09,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:28:09,926 INFO L225 Difference]: With dead ends: 15517 [2021-11-21 01:28:09,926 INFO L226 Difference]: Without dead ends: 15513 [2021-11-21 01:28:09,936 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 [2021-11-21 01:28:09,940 INFO L933 BasicCegarLoop]: 7070 mSDtfsCounter, 6169 mSDsluCounter, 21052 mSDsCounter, 0 mSdLazyCounter, 2557 mSolverCounterSat, 1 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 44.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6182 SdHoareTripleChecker+Valid, 26234 SdHoareTripleChecker+Invalid, 2567 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2557 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 46.2s IncrementalHoareTripleChecker+Time [2021-11-21 01:28:09,940 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6182 Valid, 26234 Invalid, 2567 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2557 Invalid, 9 Unknown, 0 Unchecked, 46.2s Time] [2021-11-21 01:28:09,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15513 states. [2021-11-21 01:28:10,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15513 to 15505. [2021-11-21 01:28:10,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15505 states, 9340 states have (on average 1.2799785867237687) internal successors, (11955), 9652 states have internal predecessors, (11955), 5218 states have call successors, (5218), 944 states have call predecessors, (5218), 944 states have return successors, (5347), 5137 states have call predecessors, (5347), 5212 states have call successors, (5347) [2021-11-21 01:28:10,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15505 states to 15505 states and 22520 transitions. [2021-11-21 01:28:10,920 INFO L78 Accepts]: Start accepts. Automaton has 15505 states and 22520 transitions. Word has length 45 [2021-11-21 01:28:10,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:28:10,920 INFO L470 AbstractCegarLoop]: Abstraction has 15505 states and 22520 transitions. [2021-11-21 01:28:10,920 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-11-21 01:28:10,921 INFO L276 IsEmpty]: Start isEmpty. Operand 15505 states and 22520 transitions. [2021-11-21 01:28:10,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-21 01:28:10,923 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:28:10,923 INFO L514 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 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] [2021-11-21 01:28:10,923 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-21 01:28:10,924 INFO L402 AbstractCegarLoop]: === Iteration 4 === 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)] === [2021-11-21 01:28:10,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:28:10,924 INFO L85 PathProgramCache]: Analyzing trace with hash -842684937, now seen corresponding path program 1 times [2021-11-21 01:28:10,925 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:28:10,925 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478514440] [2021-11-21 01:28:10,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:28:10,925 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:28:11,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:28:11,679 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-11-21 01:28:11,679 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:28:11,679 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1478514440] [2021-11-21 01:28:11,679 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1478514440] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:28:11,680 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:28:11,680 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-21 01:28:11,680 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349821465] [2021-11-21 01:28:11,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:28:11,680 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-21 01:28:11,680 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:28:11,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-21 01:28:11,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-21 01:28:11,681 INFO L87 Difference]: Start difference. First operand 15505 states and 22520 transitions. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-11-21 01:28:17,931 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:28:20,060 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:28:24,745 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:28:26,565 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:28:27,790 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:28:29,663 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:28:37,464 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:28:42,476 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:28:44,496 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:28:46,518 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:28:54,450 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:28:56,468 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:28:59,146 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:29:01,413 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:29:03,683 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:29:06,027 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:29:08,184 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 [] [2021-11-21 01:29:10,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:29:10,737 INFO L93 Difference]: Finished difference Result 22388 states and 32456 transitions. [2021-11-21 01:29:10,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-21 01:29:10,737 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 50 [2021-11-21 01:29:10,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:29:10,912 INFO L225 Difference]: With dead ends: 22388 [2021-11-21 01:29:10,912 INFO L226 Difference]: Without dead ends: 22346 [2021-11-21 01:29:10,936 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 [2021-11-21 01:29:10,937 INFO L933 BasicCegarLoop]: 7067 mSDtfsCounter, 6172 mSDsluCounter, 21052 mSDsCounter, 0 mSdLazyCounter, 2557 mSolverCounterSat, 1 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 56.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6181 SdHoareTripleChecker+Valid, 26225 SdHoareTripleChecker+Invalid, 2569 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2557 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 58.3s IncrementalHoareTripleChecker+Time [2021-11-21 01:29:10,938 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6181 Valid, 26225 Invalid, 2569 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2557 Invalid, 11 Unknown, 0 Unchecked, 58.3s Time] [2021-11-21 01:29:10,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22346 states. [2021-11-21 01:29:12,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22346 to 22336. [2021-11-21 01:29:12,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22336 states, 13472 states have (on average 1.2798396674584323) internal successors, (17242), 13916 states have internal predecessors, (17242), 7492 states have call successors, (7492), 1366 states have call predecessors, (7492), 1369 states have return successors, (7668), 7382 states have call predecessors, (7668), 7489 states have call successors, (7668) [2021-11-21 01:29:12,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22336 states to 22336 states and 32402 transitions. [2021-11-21 01:29:12,438 INFO L78 Accepts]: Start accepts. Automaton has 22336 states and 32402 transitions. Word has length 50 [2021-11-21 01:29:12,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:29:12,438 INFO L470 AbstractCegarLoop]: Abstraction has 22336 states and 32402 transitions. [2021-11-21 01:29:12,438 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-11-21 01:29:12,439 INFO L276 IsEmpty]: Start isEmpty. Operand 22336 states and 32402 transitions. [2021-11-21 01:29:12,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-11-21 01:29:12,449 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:29:12,450 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 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] [2021-11-21 01:29:12,450 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-21 01:29:12,451 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)] === [2021-11-21 01:29:12,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:29:12,451 INFO L85 PathProgramCache]: Analyzing trace with hash 1711474028, now seen corresponding path program 1 times [2021-11-21 01:29:12,451 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:29:12,452 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1749444122] [2021-11-21 01:29:12,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:29:12,452 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:29:12,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:29:13,302 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-11-21 01:29:13,303 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:29:13,303 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1749444122] [2021-11-21 01:29:13,303 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1749444122] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:29:13,303 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:29:13,303 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-21 01:29:13,303 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297190614] [2021-11-21 01:29:13,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:29:13,304 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-21 01:29:13,304 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:29:13,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-21 01:29:13,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-21 01:29:13,305 INFO L87 Difference]: Start difference. First operand 22336 states and 32402 transitions. Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-11-21 01:29:19,735 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 [] [2021-11-21 01:29:25,864 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:29:27,201 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:29:31,927 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:29:38,540 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:29:41,047 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:29:43,778 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:29:55,879 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:29:58,274 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:30:00,524 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:30:02,875 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:30:05,126 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 [] [2021-11-21 01:30:07,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:30:07,513 INFO L93 Difference]: Finished difference Result 22447 states and 32542 transitions. [2021-11-21 01:30:07,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-21 01:30:07,514 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 99 [2021-11-21 01:30:07,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:30:07,659 INFO L225 Difference]: With dead ends: 22447 [2021-11-21 01:30:07,660 INFO L226 Difference]: Without dead ends: 22445 [2021-11-21 01:30:07,676 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-21 01:30:07,677 INFO L933 BasicCegarLoop]: 7580 mSDtfsCounter, 6094 mSDsluCounter, 23020 mSDsCounter, 0 mSdLazyCounter, 2794 mSolverCounterSat, 2 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 50.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6100 SdHoareTripleChecker+Valid, 28528 SdHoareTripleChecker+Invalid, 2804 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 2794 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 53.3s IncrementalHoareTripleChecker+Time [2021-11-21 01:30:07,678 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6100 Valid, 28528 Invalid, 2804 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 2794 Invalid, 8 Unknown, 0 Unchecked, 53.3s Time] [2021-11-21 01:30:07,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22445 states. [2021-11-21 01:30:08,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22445 to 22377. [2021-11-21 01:30:08,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22377 states, 13491 states have (on average 1.2794455562967904) internal successors, (17261), 13944 states have internal predecessors, (17261), 7511 states have call successors, (7511), 1378 states have call predecessors, (7511), 1372 states have return successors, (7687), 7383 states have call predecessors, (7687), 7508 states have call successors, (7687) [2021-11-21 01:30:09,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22377 states to 22377 states and 32459 transitions. [2021-11-21 01:30:09,121 INFO L78 Accepts]: Start accepts. Automaton has 22377 states and 32459 transitions. Word has length 99 [2021-11-21 01:30:09,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:30:09,122 INFO L470 AbstractCegarLoop]: Abstraction has 22377 states and 32459 transitions. [2021-11-21 01:30:09,122 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-11-21 01:30:09,123 INFO L276 IsEmpty]: Start isEmpty. Operand 22377 states and 32459 transitions. [2021-11-21 01:30:09,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-11-21 01:30:09,127 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:30:09,127 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 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] [2021-11-21 01:30:09,127 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-21 01:30:09,128 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_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)] === [2021-11-21 01:30:09,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:30:09,129 INFO L85 PathProgramCache]: Analyzing trace with hash 536810963, now seen corresponding path program 1 times [2021-11-21 01:30:09,129 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:30:09,129 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116328555] [2021-11-21 01:30:09,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:30:09,130 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:30:09,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:30:09,952 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2021-11-21 01:30:09,952 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:30:09,952 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1116328555] [2021-11-21 01:30:09,953 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1116328555] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:30:09,953 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:30:09,953 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-21 01:30:09,953 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503593011] [2021-11-21 01:30:09,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:30:09,954 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-21 01:30:09,954 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:30:09,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-21 01:30:09,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-21 01:30:09,955 INFO L87 Difference]: Start difference. First operand 22377 states and 32459 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (20), 3 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17) [2021-11-21 01:30:19,909 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 [] [2021-11-21 01:30:28,795 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:30:31,246 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:30:32,936 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:30:35,846 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:30:42,408 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:30:46,271 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:30:52,495 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:31:03,309 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:31:05,805 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:31:08,351 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:31:10,696 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:31:14,737 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:31:18,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:31:18,263 INFO L93 Difference]: Finished difference Result 32969 states and 47829 transitions. [2021-11-21 01:31:18,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-21 01:31:18,264 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (20), 3 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17) Word has length 109 [2021-11-21 01:31:18,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:31:18,432 INFO L225 Difference]: With dead ends: 32969 [2021-11-21 01:31:18,433 INFO L226 Difference]: Without dead ends: 32967 [2021-11-21 01:31:18,455 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-21 01:31:18,456 INFO L933 BasicCegarLoop]: 10270 mSDtfsCounter, 5302 mSDsluCounter, 29221 mSDsCounter, 0 mSdLazyCounter, 4116 mSolverCounterSat, 0 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 64.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5309 SdHoareTripleChecker+Valid, 36541 SdHoareTripleChecker+Invalid, 4125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4116 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 66.8s IncrementalHoareTripleChecker+Time [2021-11-21 01:31:18,456 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5309 Valid, 36541 Invalid, 4125 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 4116 Invalid, 9 Unknown, 0 Unchecked, 66.8s Time] [2021-11-21 01:31:18,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32967 states. [2021-11-21 01:31:20,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32967 to 32917. [2021-11-21 01:31:20,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32917 states, 19866 states have (on average 1.2794221282593377) internal successors, (25417), 20513 states have internal predecessors, (25417), 11025 states have call successors, (11025), 2033 states have call predecessors, (11025), 2023 states have return successors, (11316), 10843 states have call predecessors, (11316), 11022 states have call successors, (11316) [2021-11-21 01:31:21,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32917 states to 32917 states and 47758 transitions. [2021-11-21 01:31:21,053 INFO L78 Accepts]: Start accepts. Automaton has 32917 states and 47758 transitions. Word has length 109 [2021-11-21 01:31:21,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:31:21,054 INFO L470 AbstractCegarLoop]: Abstraction has 32917 states and 47758 transitions. [2021-11-21 01:31:21,054 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (20), 3 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17) [2021-11-21 01:31:21,055 INFO L276 IsEmpty]: Start isEmpty. Operand 32917 states and 47758 transitions. [2021-11-21 01:31:21,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2021-11-21 01:31:21,079 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:31:21,079 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:31:21,079 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-21 01:31:21,080 INFO L402 AbstractCegarLoop]: === Iteration 7 === 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)] === [2021-11-21 01:31:21,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:31:21,080 INFO L85 PathProgramCache]: Analyzing trace with hash -980917091, now seen corresponding path program 1 times [2021-11-21 01:31:21,080 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:31:21,081 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409152328] [2021-11-21 01:31:21,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:31:21,081 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:31:42,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:31:43,782 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2021-11-21 01:31:43,782 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:31:43,782 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [409152328] [2021-11-21 01:31:43,782 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [409152328] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-21 01:31:43,783 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [26808131] [2021-11-21 01:31:43,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:31:43,783 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:31:43,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a663b527-f788-4d7b-b0f2-1d09928d49b5/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 01:31:43,786 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a663b527-f788-4d7b-b0f2-1d09928d49b5/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-21 01:31:43,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a663b527-f788-4d7b-b0f2-1d09928d49b5/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-21 01:31:46,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:31:46,621 INFO L263 TraceCheckSpWp]: Trace formula consists of 7340 conjuncts, 50 conjunts are in the unsatisfiable core [2021-11-21 01:31:46,643 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 01:31:47,896 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 46 proven. 2 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2021-11-21 01:31:47,897 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-21 01:31:49,833 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2021-11-21 01:31:49,833 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [26808131] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-21 01:31:49,833 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [864688677] [2021-11-21 01:31:49,869 INFO L159 IcfgInterpreter]: Started Sifa with 113 locations of interest [2021-11-21 01:31:49,869 INFO L166 IcfgInterpreter]: Building call graph [2021-11-21 01:31:49,880 FATAL L? ?]: Ignoring exception! java.lang.IllegalArgumentException: Recursive programs are not supported. at de.uni_freiburg.informatik.ultimate.lib.sifa.CallGraph.topsortRelevant(CallGraph.java:132) at de.uni_freiburg.informatik.ultimate.lib.sifa.CallGraph.(CallGraph.java:97) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.(IcfgInterpreter.java:92) at de.uni_freiburg.informatik.ultimate.plugins.sifa.SifaBuilder.construct(SifaBuilder.java:94) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:98) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:268) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:88) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:610) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:413) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:393) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-21 01:31:49,883 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-21 01:31:49,884 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 14 [2021-11-21 01:31:49,884 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992450640] [2021-11-21 01:31:49,884 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-21 01:31:49,886 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-21 01:31:49,887 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:31:49,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-21 01:31:49,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2021-11-21 01:31:49,888 INFO L87 Difference]: Start difference. First operand 32917 states and 47758 transitions. Second operand has 14 states, 10 states have (on average 9.4) internal successors, (94), 12 states have internal predecessors, (94), 6 states have call successors, (50), 2 states have call predecessors, (50), 5 states have return successors, (44), 7 states have call predecessors, (44), 6 states have call successors, (44) [2021-11-21 01:32:04,411 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:32:08,372 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:32:13,446 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:32:17,857 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:32:30,157 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:32:37,429 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:32:50,513 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:32:58,568 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:33:06,367 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:33:08,848 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:33:10,272 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:33:12,759 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:33:31,102 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:33:33,507 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:33:37,193 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:33:39,529 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:33:41,784 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:33:46,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 01:33:46,560 INFO L93 Difference]: Finished difference Result 64504 states and 93449 transitions. [2021-11-21 01:33:46,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-21 01:33:46,560 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 10 states have (on average 9.4) internal successors, (94), 12 states have internal predecessors, (94), 6 states have call successors, (50), 2 states have call predecessors, (50), 5 states have return successors, (44), 7 states have call predecessors, (44), 6 states have call successors, (44) Word has length 162 [2021-11-21 01:33:46,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 01:33:46,733 INFO L225 Difference]: With dead ends: 64504 [2021-11-21 01:33:46,733 INFO L226 Difference]: Without dead ends: 32915 [2021-11-21 01:33:46,947 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 340 GetRequests, 323 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2021-11-21 01:33:46,948 INFO L933 BasicCegarLoop]: 5780 mSDtfsCounter, 12 mSDsluCounter, 70618 mSDsCounter, 0 mSdLazyCounter, 8296 mSolverCounterSat, 12 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 110.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 69260 SdHoareTripleChecker+Invalid, 8318 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 8296 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 114.5s IncrementalHoareTripleChecker+Time [2021-11-21 01:33:46,948 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12 Valid, 69260 Invalid, 8318 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [12 Valid, 8296 Invalid, 10 Unknown, 0 Unchecked, 114.5s Time] [2021-11-21 01:33:46,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32915 states. [2021-11-21 01:33:48,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32915 to 32915. [2021-11-21 01:33:48,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32915 states, 19865 states have (on average 1.2793858545179966) internal successors, (25415), 20512 states have internal predecessors, (25415), 11024 states have call successors, (11024), 2033 states have call predecessors, (11024), 2023 states have return successors, (11315), 10842 states have call predecessors, (11315), 11021 states have call successors, (11315) [2021-11-21 01:33:49,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32915 states to 32915 states and 47754 transitions. [2021-11-21 01:33:49,230 INFO L78 Accepts]: Start accepts. Automaton has 32915 states and 47754 transitions. Word has length 162 [2021-11-21 01:33:49,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 01:33:49,230 INFO L470 AbstractCegarLoop]: Abstraction has 32915 states and 47754 transitions. [2021-11-21 01:33:49,230 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 10 states have (on average 9.4) internal successors, (94), 12 states have internal predecessors, (94), 6 states have call successors, (50), 2 states have call predecessors, (50), 5 states have return successors, (44), 7 states have call predecessors, (44), 6 states have call successors, (44) [2021-11-21 01:33:49,231 INFO L276 IsEmpty]: Start isEmpty. Operand 32915 states and 47754 transitions. [2021-11-21 01:33:49,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2021-11-21 01:33:49,248 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 01:33:49,248 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 01:33:49,308 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a663b527-f788-4d7b-b0f2-1d09928d49b5/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-21 01:33:49,475 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a663b527-f788-4d7b-b0f2-1d09928d49b5/bin/utaipan-TEXQjIfE4P/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-21 01:33:49,476 INFO L402 AbstractCegarLoop]: === Iteration 8 === 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)] === [2021-11-21 01:33:49,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 01:33:49,476 INFO L85 PathProgramCache]: Analyzing trace with hash 1088785366, now seen corresponding path program 1 times [2021-11-21 01:33:49,476 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 01:33:49,476 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242292348] [2021-11-21 01:33:49,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 01:33:49,477 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 01:33:53,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 01:33:54,834 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2021-11-21 01:33:54,834 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 01:33:54,834 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242292348] [2021-11-21 01:33:54,835 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [242292348] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 01:33:54,835 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 01:33:54,835 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-11-21 01:33:54,835 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319436179] [2021-11-21 01:33:54,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 01:33:54,836 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-21 01:33:54,836 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 01:33:54,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-21 01:33:54,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=156, Unknown=0, NotChecked=0, Total=182 [2021-11-21 01:33:54,837 INFO L87 Difference]: Start difference. First operand 32915 states and 47754 transitions. Second operand has 14 states, 9 states have (on average 9.444444444444445) internal successors, (85), 11 states have internal predecessors, (85), 6 states have call successors, (38), 2 states have call predecessors, (38), 5 states have return successors, (31), 7 states have call predecessors, (31), 6 states have call successors, (31) [2021-11-21 01:34:16,473 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:34:22,954 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:34:39,731 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:34:44,581 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:34:51,130 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:35:06,744 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:35:25,439 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:35:27,837 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 01:35:31,908 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 []