./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d214cad8-bcd2-41ce-9039-0b24640266ad/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d214cad8-bcd2-41ce-9039-0b24640266ad/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d214cad8-bcd2-41ce-9039-0b24640266ad/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d214cad8-bcd2-41ce-9039-0b24640266ad/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d214cad8-bcd2-41ce-9039-0b24640266ad/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d214cad8-bcd2-41ce-9039-0b24640266ad/bin/utaipan-eEHZpOm5b7 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 6edce8af070c2ee0f77c0bbc4c8794c42a85035f5c58f10014fb64bda90c7e26 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 20:36:13,505 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 20:36:13,507 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 20:36:13,542 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 20:36:13,543 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 20:36:13,544 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 20:36:13,545 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 20:36:13,547 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 20:36:13,549 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 20:36:13,551 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 20:36:13,552 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 20:36:13,553 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 20:36:13,553 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 20:36:13,554 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 20:36:13,556 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 20:36:13,557 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 20:36:13,558 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 20:36:13,559 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 20:36:13,562 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 20:36:13,564 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 20:36:13,566 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 20:36:13,574 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 20:36:13,575 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 20:36:13,576 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 20:36:13,579 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 20:36:13,580 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 20:36:13,580 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 20:36:13,581 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 20:36:13,582 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 20:36:13,583 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 20:36:13,583 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 20:36:13,584 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 20:36:13,585 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 20:36:13,586 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 20:36:13,594 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 20:36:13,595 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 20:36:13,595 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 20:36:13,596 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 20:36:13,596 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 20:36:13,597 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 20:36:13,598 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 20:36:13,599 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d214cad8-bcd2-41ce-9039-0b24640266ad/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-25 20:36:13,652 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 20:36:13,652 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 20:36:13,653 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 20:36:13,655 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 20:36:13,659 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 20:36:13,659 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 20:36:13,659 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 20:36:13,660 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 20:36:13,660 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 20:36:13,660 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 20:36:13,660 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 20:36:13,660 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 20:36:13,660 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 20:36:13,661 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 20:36:13,661 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 20:36:13,661 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 20:36:13,661 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 20:36:13,661 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 20:36:13,662 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 20:36:13,662 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 20:36:13,662 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 20:36:13,663 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 20:36:13,663 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 20:36:13,663 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 20:36:13,663 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 20:36:13,663 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 20:36:13,664 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 20:36:13,664 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 20:36:13,664 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 20:36:13,664 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 20:36:13,664 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 20:36:13,665 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 20:36:13,665 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 20:36:13,665 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 20:36:13,665 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 20:36:13,665 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 20:36:13,665 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 20:36:13,666 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 20:36:13,666 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_d214cad8-bcd2-41ce-9039-0b24640266ad/bin/utaipan-eEHZpOm5b7/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d214cad8-bcd2-41ce-9039-0b24640266ad/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6edce8af070c2ee0f77c0bbc4c8794c42a85035f5c58f10014fb64bda90c7e26 [2021-11-25 20:36:13,952 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 20:36:13,976 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 20:36:13,979 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 20:36:13,980 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 20:36:13,981 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 20:36:13,982 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d214cad8-bcd2-41ce-9039-0b24640266ad/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i [2021-11-25 20:36:14,084 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d214cad8-bcd2-41ce-9039-0b24640266ad/bin/utaipan-eEHZpOm5b7/data/9f548a935/7ada07167b114468b1d2b5a49924efea/FLAGe3e93b725 [2021-11-25 20:36:15,275 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 20:36:15,276 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d214cad8-bcd2-41ce-9039-0b24640266ad/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i [2021-11-25 20:36:15,381 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d214cad8-bcd2-41ce-9039-0b24640266ad/bin/utaipan-eEHZpOm5b7/data/9f548a935/7ada07167b114468b1d2b5a49924efea/FLAGe3e93b725 [2021-11-25 20:36:15,898 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d214cad8-bcd2-41ce-9039-0b24640266ad/bin/utaipan-eEHZpOm5b7/data/9f548a935/7ada07167b114468b1d2b5a49924efea [2021-11-25 20:36:15,901 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 20:36:15,904 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 20:36:15,907 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 20:36:15,907 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 20:36:15,911 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 20:36:15,912 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:36:15" (1/1) ... [2021-11-25 20:36:15,913 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77190e4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:36:15, skipping insertion in model container [2021-11-25 20:36:15,913 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:36:15" (1/1) ... [2021-11-25 20:36:15,920 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 20:36:16,169 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 20:36:23,665 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_d214cad8-bcd2-41ce-9039-0b24640266ad/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i[666496,666509] [2021-11-25 20:36:23,669 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_d214cad8-bcd2-41ce-9039-0b24640266ad/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i[666662,666675] [2021-11-25 20:36:23,670 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_d214cad8-bcd2-41ce-9039-0b24640266ad/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i[666826,666839] [2021-11-25 20:36:23,670 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_d214cad8-bcd2-41ce-9039-0b24640266ad/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i[666991,667004] [2021-11-25 20:36:23,708 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 20:36:23,780 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 20:36:24,531 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_d214cad8-bcd2-41ce-9039-0b24640266ad/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i[666496,666509] [2021-11-25 20:36:24,531 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_d214cad8-bcd2-41ce-9039-0b24640266ad/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i[666662,666675] [2021-11-25 20:36:24,532 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_d214cad8-bcd2-41ce-9039-0b24640266ad/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i[666826,666839] [2021-11-25 20:36:24,532 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_d214cad8-bcd2-41ce-9039-0b24640266ad/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i[666991,667004] [2021-11-25 20:36:24,544 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 20:36:25,148 INFO L208 MainTranslator]: Completed translation [2021-11-25 20:36:25,150 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:36:25 WrapperNode [2021-11-25 20:36:25,150 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 20:36:25,151 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 20:36:25,151 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 20:36:25,151 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 20:36:25,162 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:36:25" (1/1) ... [2021-11-25 20:36:25,457 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:36:25" (1/1) ... [2021-11-25 20:36:26,006 INFO L137 Inliner]: procedures = 741, calls = 8484, calls flagged for inlining = 407, calls inlined = 361, statements flattened = 16805 [2021-11-25 20:36:26,007 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 20:36:26,008 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 20:36:26,009 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 20:36:26,009 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 20:36:26,019 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:36:25" (1/1) ... [2021-11-25 20:36:26,019 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:36:25" (1/1) ... [2021-11-25 20:36:26,114 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:36:25" (1/1) ... [2021-11-25 20:36:26,116 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:36:25" (1/1) ... [2021-11-25 20:36:26,573 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:36:25" (1/1) ... [2021-11-25 20:36:26,652 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:36:25" (1/1) ... [2021-11-25 20:36:26,720 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:36:25" (1/1) ... [2021-11-25 20:36:26,796 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 20:36:26,797 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 20:36:26,797 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 20:36:26,797 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 20:36:26,802 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:36:25" (1/1) ... [2021-11-25 20:36:26,810 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 20:36:26,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d214cad8-bcd2-41ce-9039-0b24640266ad/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 20:36:26,836 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d214cad8-bcd2-41ce-9039-0b24640266ad/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 20:36:26,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d214cad8-bcd2-41ce-9039-0b24640266ad/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 20:36:26,882 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-11-25 20:36:26,882 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-11-25 20:36:26,882 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_resolve_flow_ctrl [2021-11-25 20:36:26,883 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_resolve_flow_ctrl [2021-11-25 20:36:26,883 INFO L130 BoogieDeclarations]: Found specification of procedure load_rv2p_fw [2021-11-25 20:36:26,883 INFO L138 BoogieDeclarations]: Found implementation of procedure load_rv2p_fw [2021-11-25 20:36:26,883 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_bmsr1 [2021-11-25 20:36:26,883 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_bmsr1 [2021-11-25 20:36:26,884 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2021-11-25 20:36:26,884 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2021-11-25 20:36:26,884 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2021-11-25 20:36:26,884 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2021-11-25 20:36:26,884 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_int [2021-11-25 20:36:26,885 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_int [2021-11-25 20:36:26,885 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-11-25 20:36:26,886 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-11-25 20:36:27,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-25 20:36:27,018 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-25 20:36:27,018 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-11-25 20:36:27,018 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-11-25 20:36:27,018 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_rxbd_rings [2021-11-25 20:36:27,019 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_rxbd_rings [2021-11-25 20:36:27,019 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_nvram_read_dword [2021-11-25 20:36:27,019 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_nvram_read_dword [2021-11-25 20:36:27,019 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-11-25 20:36:27,019 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-11-25 20:36:27,019 INFO L130 BoogieDeclarations]: Found specification of procedure get_l2_fhdr [2021-11-25 20:36:27,019 INFO L138 BoogieDeclarations]: Found implementation of procedure get_l2_fhdr [2021-11-25 20:36:27,019 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_cnic_stop [2021-11-25 20:36:27,019 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_cnic_stop [2021-11-25 20:36:27,020 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-25 20:36:27,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-25 20:36:27,020 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_netif_start [2021-11-25 20:36:27,020 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_netif_start [2021-11-25 20:36:27,020 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_int_mode [2021-11-25 20:36:27,020 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_int_mode [2021-11-25 20:36:27,020 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2021-11-25 20:36:27,020 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2021-11-25 20:36:27,020 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_bmsr1 [2021-11-25 20:36:27,020 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_bmsr1 [2021-11-25 20:36:27,020 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_forced_2g5 [2021-11-25 20:36:27,021 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_forced_2g5 [2021-11-25 20:36:27,021 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2021-11-25 20:36:27,021 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2021-11-25 20:36:27,021 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_xceiver_str [2021-11-25 20:36:27,021 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_xceiver_str [2021-11-25 20:36:27,021 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_rx_context [2021-11-25 20:36:27,021 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_rx_context [2021-11-25 20:36:27,021 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-25 20:36:27,021 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-25 20:36:27,021 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-11-25 20:36:27,022 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-11-25 20:36:27,022 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-25 20:36:27,023 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-25 20:36:27,023 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_resume [2021-11-25 20:36:27,024 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_resume [2021-11-25 20:36:27,024 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_pcie_error_reporting [2021-11-25 20:36:27,024 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_pcie_error_reporting [2021-11-25 20:36:27,024 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_ctx_wr [2021-11-25 20:36:27,024 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_ctx_wr [2021-11-25 20:36:27,024 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2021-11-25 20:36:27,024 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2021-11-25 20:36:27,024 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_bnx2_pci_driver_exit_16_2 [2021-11-25 20:36:27,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_bnx2_pci_driver_exit_16_2 [2021-11-25 20:36:27,024 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-25 20:36:27,025 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-25 20:36:27,025 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_remote_phy [2021-11-25 20:36:27,025 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_remote_phy [2021-11-25 20:36:27,025 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_alloc_rx_data [2021-11-25 20:36:27,025 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_alloc_rx_data [2021-11-25 20:36:27,025 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_phy [2021-11-25 20:36:27,025 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_phy [2021-11-25 20:36:27,025 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_unlock [2021-11-25 20:36:27,025 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_unlock [2021-11-25 20:36:27,025 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-25 20:36:27,026 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-25 20:36:27,026 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-25 20:36:27,026 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-25 20:36:27,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-25 20:36:27,026 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-25 20:36:27,026 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-25 20:36:27,026 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-25 20:36:27,026 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-25 20:36:27,026 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-25 20:36:27,026 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-25 20:36:27,027 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-25 20:36:27,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-25 20:36:27,027 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2021-11-25 20:36:27,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2021-11-25 20:36:27,027 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-11-25 20:36:27,027 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-11-25 20:36:27,027 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 20:36:27,027 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_napi [2021-11-25 20:36:27,027 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_napi [2021-11-25 20:36:27,027 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_read_phy [2021-11-25 20:36:27,028 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_read_phy [2021-11-25 20:36:27,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2021-11-25 20:36:27,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2021-11-25 20:36:27,028 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-11-25 20:36:27,028 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-11-25 20:36:27,028 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_request_irq [2021-11-25 20:36:27,028 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_request_irq [2021-11-25 20:36:27,028 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-11-25 20:36:27,028 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-11-25 20:36:27,028 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reg_wr_ind [2021-11-25 20:36:27,029 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reg_wr_ind [2021-11-25 20:36:27,029 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-25 20:36:27,029 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-25 20:36:27,029 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-25 20:36:27,029 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-25 20:36:27,029 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-25 20:36:27,029 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-25 20:36:27,029 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-11-25 20:36:27,029 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-11-25 20:36:27,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-25 20:36:27,030 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2021-11-25 20:36:27,030 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2021-11-25 20:36:27,042 INFO L130 BoogieDeclarations]: Found specification of procedure __napi_schedule [2021-11-25 20:36:27,042 INFO L138 BoogieDeclarations]: Found implementation of procedure __napi_schedule [2021-11-25 20:36:27,042 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_rx_mode [2021-11-25 20:36:27,043 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_rx_mode [2021-11-25 20:36:27,043 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_test_intr [2021-11-25 20:36:27,043 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_test_intr [2021-11-25 20:36:27,043 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-25 20:36:27,044 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-25 20:36:27,044 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_nic [2021-11-25 20:36:27,044 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_nic [2021-11-25 20:36:27,044 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-25 20:36:27,044 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-25 20:36:27,044 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_wol [2021-11-25 20:36:27,045 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_wol [2021-11-25 20:36:27,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-25 20:36:27,045 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-25 20:36:27,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-25 20:36:27,045 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_mac_addr [2021-11-25 20:36:27,045 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_mac_addr [2021-11-25 20:36:27,046 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reset_nic [2021-11-25 20:36:27,046 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reset_nic [2021-11-25 20:36:27,046 INFO L130 BoogieDeclarations]: Found specification of procedure dma_sync_single_for_cpu [2021-11-25 20:36:27,047 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_sync_single_for_cpu [2021-11-25 20:36:27,047 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_msi [2021-11-25 20:36:27,048 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_msi [2021-11-25 20:36:27,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 20:36:27,048 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-25 20:36:27,049 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-25 20:36:27,049 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2021-11-25 20:36:27,049 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2021-11-25 20:36:27,049 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-25 20:36:27,049 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-25 20:36:27,049 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_free_skbs [2021-11-25 20:36:27,049 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_free_skbs [2021-11-25 20:36:27,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-25 20:36:27,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-25 20:36:27,050 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_channels [2021-11-25 20:36:27,050 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_channels [2021-11-25 20:36:27,050 INFO L130 BoogieDeclarations]: Found specification of procedure __bnx2_free_irq [2021-11-25 20:36:27,050 INFO L138 BoogieDeclarations]: Found implementation of procedure __bnx2_free_irq [2021-11-25 20:36:27,051 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_test_and_enable_2g5 [2021-11-25 20:36:27,051 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_test_and_enable_2g5 [2021-11-25 20:36:27,051 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-11-25 20:36:27,053 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-11-25 20:36:27,053 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-25 20:36:27,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-25 20:36:27,054 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-25 20:36:27,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-25 20:36:27,054 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2021-11-25 20:36:27,055 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2021-11-25 20:36:27,055 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_msix_tbl [2021-11-25 20:36:27,055 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_msix_tbl [2021-11-25 20:36:27,055 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_int_sync [2021-11-25 20:36:27,055 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_int_sync [2021-11-25 20:36:27,056 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-11-25 20:36:27,056 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-11-25 20:36:27,056 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_open [2021-11-25 20:36:27,056 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_open [2021-11-25 20:36:27,057 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reset_chip [2021-11-25 20:36:27,057 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reset_chip [2021-11-25 20:36:27,057 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_del_napi [2021-11-25 20:36:27,057 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_del_napi [2021-11-25 20:36:27,057 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-11-25 20:36:27,057 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-11-25 20:36:27,058 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_settings [2021-11-25 20:36:27,058 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_settings [2021-11-25 20:36:27,058 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-25 20:36:27,058 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-25 20:36:27,058 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_lock [2021-11-25 20:36:27,058 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_lock [2021-11-25 20:36:27,058 INFO L130 BoogieDeclarations]: Found specification of procedure check_mips_fw_entry [2021-11-25 20:36:27,059 INFO L138 BoogieDeclarations]: Found implementation of procedure check_mips_fw_entry [2021-11-25 20:36:27,059 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_cnic_start [2021-11-25 20:36:27,059 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_cnic_start [2021-11-25 20:36:27,059 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_shmem_rd [2021-11-25 20:36:27,059 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_shmem_rd [2021-11-25 20:36:27,059 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_mac_link [2021-11-25 20:36:27,060 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_mac_link [2021-11-25 20:36:27,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 20:36:27,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-25 20:36:27,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-25 20:36:27,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-25 20:36:27,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-25 20:36:27,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-11-25 20:36:27,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-11-25 20:36:27,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2021-11-25 20:36:27,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2021-11-25 20:36:27,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-11-25 20:36:27,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-11-25 20:36:27,062 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-11-25 20:36:27,062 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-11-25 20:36:27,062 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_napi_enable [2021-11-25 20:36:27,062 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_napi_enable [2021-11-25 20:36:27,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 20:36:27,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-25 20:36:27,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-25 20:36:27,064 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-25 20:36:27,064 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-25 20:36:27,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 20:36:27,065 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2021-11-25 20:36:27,065 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2021-11-25 20:36:27,065 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-25 20:36:27,065 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_wol [2021-11-25 20:36:27,065 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_wol [2021-11-25 20:36:27,066 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-25 20:36:27,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-25 20:36:27,066 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_pauseparam [2021-11-25 20:36:27,066 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_pauseparam [2021-11-25 20:36:27,066 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-11-25 20:36:27,066 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-11-25 20:36:27,067 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-25 20:36:27,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-25 20:36:27,067 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_tx_timeout [2021-11-25 20:36:27,067 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_tx_timeout [2021-11-25 20:36:27,067 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_one [2021-11-25 20:36:27,068 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_one [2021-11-25 20:36:27,069 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-25 20:36:27,076 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-25 20:36:27,076 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-11-25 20:36:27,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-11-25 20:36:27,076 INFO L130 BoogieDeclarations]: Found specification of procedure pci_vpd_find_info_keyword [2021-11-25 20:36:27,077 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_vpd_find_info_keyword [2021-11-25 20:36:27,078 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_disable [2021-11-25 20:36:27,078 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_disable [2021-11-25 20:36:27,078 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_acquire_nvram_lock [2021-11-25 20:36:27,078 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_acquire_nvram_lock [2021-11-25 20:36:27,085 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_remove_one [2021-11-25 20:36:27,086 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_remove_one [2021-11-25 20:36:27,086 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-11-25 20:36:27,086 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-11-25 20:36:27,086 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-25 20:36:27,087 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-25 20:36:27,087 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-11-25 20:36:27,087 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-11-25 20:36:27,087 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-25 20:36:27,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-25 20:36:27,087 INFO L130 BoogieDeclarations]: Found specification of procedure lock_is_held [2021-11-25 20:36:27,087 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_is_held [2021-11-25 20:36:27,088 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2021-11-25 20:36:27,088 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2021-11-25 20:36:27,088 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-11-25 20:36:27,088 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-11-25 20:36:27,088 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_nvram_access [2021-11-25 20:36:27,088 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_nvram_access [2021-11-25 20:36:27,088 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-11-25 20:36:27,088 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-11-25 20:36:27,089 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-25 20:36:27,089 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-25 20:36:27,089 INFO L130 BoogieDeclarations]: Found specification of procedure check_fw_section [2021-11-25 20:36:27,089 INFO L138 BoogieDeclarations]: Found implementation of procedure check_fw_section [2021-11-25 20:36:27,089 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_settings [2021-11-25 20:36:27,090 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_settings [2021-11-25 20:36:27,090 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule_prep [2021-11-25 20:36:27,090 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule_prep [2021-11-25 20:36:27,090 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_run_loopback [2021-11-25 20:36:27,090 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_run_loopback [2021-11-25 20:36:27,090 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2021-11-25 20:36:27,091 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2021-11-25 20:36:27,091 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_napi_disable [2021-11-25 20:36:27,091 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_napi_disable [2021-11-25 20:36:27,091 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 20:36:27,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 20:36:27,091 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-11-25 20:36:27,091 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-11-25 20:36:27,092 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-11-25 20:36:27,092 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-11-25 20:36:27,092 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_nvram_write_dword [2021-11-25 20:36:27,092 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_nvram_write_dword [2021-11-25 20:36:27,092 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-25 20:36:27,092 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-25 20:36:27,092 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-25 20:36:27,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-25 20:36:27,093 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-25 20:36:27,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-25 20:36:27,093 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_link [2021-11-25 20:36:27,093 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_link [2021-11-25 20:36:27,093 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-25 20:36:27,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-25 20:36:27,093 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2021-11-25 20:36:27,094 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2021-11-25 20:36:27,094 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_int [2021-11-25 20:36:27,094 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_int [2021-11-25 20:36:27,094 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-25 20:36:27,094 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-25 20:36:27,094 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-25 20:36:27,094 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-11-25 20:36:27,095 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-11-25 20:36:27,095 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-11-25 20:36:27,095 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-11-25 20:36:27,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-25 20:36:27,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-25 20:36:27,095 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_nvram_access [2021-11-25 20:36:27,095 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_nvram_access [2021-11-25 20:36:27,095 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_free_mem [2021-11-25 20:36:27,096 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_free_mem [2021-11-25 20:36:27,096 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-11-25 20:36:27,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-11-25 20:36:27,096 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-25 20:36:27,096 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-25 20:36:27,096 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-25 20:36:27,096 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-25 20:36:27,097 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_release_nvram_lock [2021-11-25 20:36:27,097 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_release_nvram_lock [2021-11-25 20:36:27,097 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-11-25 20:36:27,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-11-25 20:36:27,097 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_nway_reset [2021-11-25 20:36:27,097 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_nway_reset [2021-11-25 20:36:27,097 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2021-11-25 20:36:27,098 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2021-11-25 20:36:27,098 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_has_work [2021-11-25 20:36:27,098 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_has_work [2021-11-25 20:36:27,098 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_has_fast_work [2021-11-25 20:36:27,098 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_has_fast_work [2021-11-25 20:36:27,098 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2021-11-25 20:36:27,098 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2021-11-25 20:36:27,098 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-11-25 20:36:27,099 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-11-25 20:36:27,099 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_tx_avail [2021-11-25 20:36:27,099 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_tx_avail [2021-11-25 20:36:27,099 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_test_link [2021-11-25 20:36:27,099 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_test_link [2021-11-25 20:36:27,099 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-11-25 20:36:27,099 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-11-25 20:36:27,100 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-25 20:36:27,100 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-25 20:36:27,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 20:36:27,100 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_report_link [2021-11-25 20:36:27,100 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_report_link [2021-11-25 20:36:27,100 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reset_phy [2021-11-25 20:36:27,100 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reset_phy [2021-11-25 20:36:27,100 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_phy [2021-11-25 20:36:27,101 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_phy [2021-11-25 20:36:27,101 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-11-25 20:36:27,101 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-11-25 20:36:27,101 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_hw_rx_cons [2021-11-25 20:36:27,101 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_hw_rx_cons [2021-11-25 20:36:27,101 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-25 20:36:27,101 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-25 20:36:27,102 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_nvram [2021-11-25 20:36:27,102 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_nvram [2021-11-25 20:36:27,102 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 20:36:27,102 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_change_ring_size [2021-11-25 20:36:27,102 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_change_ring_size [2021-11-25 20:36:27,103 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_power_state [2021-11-25 20:36:27,105 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_power_state [2021-11-25 20:36:27,105 INFO L130 BoogieDeclarations]: Found specification of procedure load_cpu_fw [2021-11-25 20:36:27,106 INFO L138 BoogieDeclarations]: Found implementation of procedure load_cpu_fw [2021-11-25 20:36:27,106 INFO L130 BoogieDeclarations]: Found specification of procedure __free_pages [2021-11-25 20:36:27,106 INFO L138 BoogieDeclarations]: Found implementation of procedure __free_pages [2021-11-25 20:36:27,106 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_default_remote_link [2021-11-25 20:36:27,107 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_default_remote_link [2021-11-25 20:36:27,107 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_io_resume [2021-11-25 20:36:27,107 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_io_resume [2021-11-25 20:36:27,108 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_write_phy [2021-11-25 20:36:27,108 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_write_phy [2021-11-25 20:36:27,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-25 20:36:27,108 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_hw_tx_cons [2021-11-25 20:36:27,108 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_hw_tx_cons [2021-11-25 20:36:27,108 INFO L130 BoogieDeclarations]: Found specification of procedure pci_vpd_info_field_size [2021-11-25 20:36:27,108 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_vpd_info_field_size [2021-11-25 20:36:27,109 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-25 20:36:27,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-25 20:36:27,109 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-11-25 20:36:27,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-11-25 20:36:27,109 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_fw_sync [2021-11-25 20:36:27,109 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_fw_sync [2021-11-25 20:36:27,109 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_shmem_wr [2021-11-25 20:36:27,110 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_shmem_wr [2021-11-25 20:36:27,110 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-25 20:36:27,110 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-25 20:36:27,110 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_5706s_force_link_dn [2021-11-25 20:36:27,110 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_5706s_force_link_dn [2021-11-25 20:36:27,110 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-11-25 20:36:27,110 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-11-25 20:36:27,110 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_default_link [2021-11-25 20:36:27,111 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_default_link [2021-11-25 20:36:27,111 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-25 20:36:27,111 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-25 20:36:27,111 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_phy_get_pause_adv [2021-11-25 20:36:27,111 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_phy_get_pause_adv [2021-11-25 20:36:27,111 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-25 20:36:27,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-25 20:36:27,112 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_remote_phy_event [2021-11-25 20:36:27,112 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_remote_phy_event [2021-11-25 20:36:27,112 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2021-11-25 20:36:27,112 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2021-11-25 20:36:27,112 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_nvram_read [2021-11-25 20:36:27,112 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_nvram_read [2021-11-25 20:36:27,112 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-25 20:36:27,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-25 20:36:27,113 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_change_mac_addr [2021-11-25 20:36:27,113 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_change_mac_addr [2021-11-25 20:36:27,113 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_fw_cap [2021-11-25 20:36:27,113 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_fw_cap [2021-11-25 20:36:27,113 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reg_rd_ind [2021-11-25 20:36:27,113 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reg_rd_ind [2021-11-25 20:36:27,113 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2021-11-25 20:36:27,114 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2021-11-25 20:36:27,114 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_nvram_write [2021-11-25 20:36:27,114 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_nvram_write [2021-11-25 20:36:27,114 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-11-25 20:36:27,114 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-11-25 20:36:27,114 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-11-25 20:36:27,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-11-25 20:36:27,114 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-25 20:36:27,115 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-25 20:36:27,115 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-25 20:36:27,115 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-25 20:36:27,115 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-11-25 20:36:27,115 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-11-25 20:36:27,115 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2021-11-25 20:36:27,115 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2021-11-25 20:36:27,116 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_cnic_irq_info [2021-11-25 20:36:27,116 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_cnic_irq_info [2021-11-25 20:36:27,116 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-25 20:36:27,116 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-25 20:36:27,116 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_shutdown [2021-11-25 20:36:27,116 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_shutdown [2021-11-25 20:36:27,116 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_suspend [2021-11-25 20:36:27,116 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_suspend [2021-11-25 20:36:27,117 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_forced_2g5 [2021-11-25 20:36:27,117 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_forced_2g5 [2021-11-25 20:36:27,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cnic_lock_of_bnx2 [2021-11-25 20:36:27,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cnic_lock_of_bnx2 [2021-11-25 20:36:27,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cnic_lock_of_bnx2 [2021-11-25 20:36:27,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cnic_lock_of_bnx2 [2021-11-25 20:36:27,117 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-25 20:36:27,118 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-25 20:36:27,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-11-25 20:36:27,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-11-25 20:36:27,118 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_netif_stop [2021-11-25 20:36:27,118 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_netif_stop [2021-11-25 20:36:27,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 20:36:27,118 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_ringparam [2021-11-25 20:36:27,118 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_ringparam [2021-11-25 20:36:27,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-25 20:36:27,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-25 20:36:27,119 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_find_max_ring [2021-11-25 20:36:27,119 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_find_max_ring [2021-11-25 20:36:27,119 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_coalesce [2021-11-25 20:36:27,119 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_coalesce [2021-11-25 20:36:27,119 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_send_heart_beat [2021-11-25 20:36:27,119 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_send_heart_beat [2021-11-25 20:36:27,120 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2021-11-25 20:36:27,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2021-11-25 20:36:27,120 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_alloc_rx_page [2021-11-25 20:36:27,120 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_alloc_rx_page [2021-11-25 20:36:27,120 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_eeprom_len [2021-11-25 20:36:27,120 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_eeprom_len [2021-11-25 20:36:27,120 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-25 20:36:27,121 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-25 20:36:27,121 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-11-25 20:36:27,121 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-11-25 20:36:27,121 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2021-11-25 20:36:27,121 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2021-11-25 20:36:27,121 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_release_firmware [2021-11-25 20:36:27,121 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_release_firmware [2021-11-25 20:36:27,121 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-11-25 20:36:27,122 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-11-25 20:36:27,122 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-11-25 20:36:27,122 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-11-25 20:36:27,122 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_shutdown_chip [2021-11-25 20:36:27,122 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_shutdown_chip [2021-11-25 20:36:27,122 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_regs_len [2021-11-25 20:36:27,122 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_regs_len [2021-11-25 20:36:27,123 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_alloc_mem [2021-11-25 20:36:27,123 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_alloc_mem [2021-11-25 20:36:27,123 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_close [2021-11-25 20:36:27,123 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_close [2021-11-25 20:36:27,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-25 20:36:27,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-25 20:36:27,123 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-11-25 20:36:27,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-11-25 20:36:27,124 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_coalesce [2021-11-25 20:36:27,124 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_coalesce [2021-11-25 20:36:27,124 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2021-11-25 20:36:27,124 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2021-11-25 20:36:27,124 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-11-25 20:36:27,124 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-11-25 20:36:27,124 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-11-25 20:36:27,125 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-11-25 20:36:27,125 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-25 20:36:27,125 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-25 20:36:27,125 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-25 20:36:27,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-25 20:36:27,125 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2021-11-25 20:36:27,125 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2021-11-25 20:36:27,126 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-11-25 20:36:27,126 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-11-25 20:36:27,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 20:36:27,126 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_free_irq [2021-11-25 20:36:27,126 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_free_irq [2021-11-25 20:36:27,126 INFO L130 BoogieDeclarations]: Found specification of procedure poll_bnx2 [2021-11-25 20:36:27,126 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_bnx2 [2021-11-25 20:36:27,126 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2021-11-25 20:36:27,127 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2021-11-25 20:36:27,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-25 20:36:27,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-25 20:36:27,127 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_rx_ring_size [2021-11-25 20:36:27,127 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_rx_ring_size [2021-11-25 20:36:27,127 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_dump_mcp_state [2021-11-25 20:36:27,127 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_dump_mcp_state [2021-11-25 20:36:28,875 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 20:36:28,881 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 20:36:29,520 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-25 20:39:06,102 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-25 20:39:06,263 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 20:39:13,631 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 20:39:13,631 INFO L301 CfgBuilder]: Removed 6 assume(true) statements. [2021-11-25 20:39:13,645 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:39:13 BoogieIcfgContainer [2021-11-25 20:39:13,645 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 20:39:13,647 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 20:39:13,647 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 20:39:13,650 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 20:39:13,650 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 08:36:15" (1/3) ... [2021-11-25 20:39:13,651 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7603bd15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:39:13, skipping insertion in model container [2021-11-25 20:39:13,651 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:36:25" (2/3) ... [2021-11-25 20:39:13,651 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7603bd15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 08:39:13, skipping insertion in model container [2021-11-25 20:39:13,651 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:39:13" (3/3) ... [2021-11-25 20:39:13,653 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i [2021-11-25 20:39:13,658 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 20:39:13,658 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-25 20:39:13,724 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 20:39:13,731 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-25 20:39:13,733 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-25 20:39:13,849 INFO L276 IsEmpty]: Start isEmpty. Operand has 4690 states, 2859 states have (on average 1.303952430919902) internal successors, (3728), 2933 states have internal predecessors, (3728), 1579 states have call successors, (1579), 250 states have call predecessors, (1579), 249 states have return successors, (1570), 1560 states have call predecessors, (1570), 1570 states have call successors, (1570) [2021-11-25 20:39:13,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2021-11-25 20:39:13,884 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:39:13,885 INFO L514 BasicCegarLoop]: trace histogram [28, 27, 27, 27, 27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:39:13,886 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-25 20:39:13,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:39:13,894 INFO L85 PathProgramCache]: Analyzing trace with hash 382597913, now seen corresponding path program 1 times [2021-11-25 20:39:13,903 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:39:13,904 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6742761] [2021-11-25 20:39:13,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:39:13,905 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:39:14,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:39:15,175 INFO L134 CoverageAnalysis]: Checked inductivity of 2862 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2862 trivial. 0 not checked. [2021-11-25 20:39:15,176 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:39:15,179 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6742761] [2021-11-25 20:39:15,180 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [6742761] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:39:15,181 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:39:15,181 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 20:39:15,182 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017910061] [2021-11-25 20:39:15,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:39:15,190 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 20:39:15,190 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:39:15,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 20:39:15,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:39:15,238 INFO L87 Difference]: Start difference. First operand has 4690 states, 2859 states have (on average 1.303952430919902) internal successors, (3728), 2933 states have internal predecessors, (3728), 1579 states have call successors, (1579), 250 states have call predecessors, (1579), 249 states have return successors, (1570), 1560 states have call predecessors, (1570), 1570 states have call successors, (1570) Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2021-11-25 20:39:18,630 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:39:20,890 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:39:28,964 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:39:34,390 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:39:36,691 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:39:40,569 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:39:43,117 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:39:45,266 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:39:45,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:39:45,886 INFO L93 Difference]: Finished difference Result 13694 states and 20241 transitions. [2021-11-25 20:39:45,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 20:39:45,889 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 291 [2021-11-25 20:39:45,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:39:46,030 INFO L225 Difference]: With dead ends: 13694 [2021-11-25 20:39:46,030 INFO L226 Difference]: Without dead ends: 9046 [2021-11-25 20:39:46,089 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:39:46,097 INFO L933 BasicCegarLoop]: 7926 mSDtfsCounter, 6422 mSDsluCounter, 6815 mSDsCounter, 0 mSdLazyCounter, 1572 mSolverCounterSat, 7 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6429 SdHoareTripleChecker+Valid, 13999 SdHoareTripleChecker+Invalid, 1586 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1572 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.0s IncrementalHoareTripleChecker+Time [2021-11-25 20:39:46,099 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6429 Valid, 13999 Invalid, 1586 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 1572 Invalid, 7 Unknown, 0 Unchecked, 30.0s Time] [2021-11-25 20:39:46,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9046 states. [2021-11-25 20:39:46,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9046 to 9039. [2021-11-25 20:39:46,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9039 states, 5528 states have (on average 1.302821997105644) internal successors, (7202), 5675 states have internal predecessors, (7202), 3020 states have call successors, (3020), 490 states have call predecessors, (3020), 488 states have return successors, (3021), 2993 states have call predecessors, (3021), 3016 states have call successors, (3021) [2021-11-25 20:39:46,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9039 states to 9039 states and 13243 transitions. [2021-11-25 20:39:47,001 INFO L78 Accepts]: Start accepts. Automaton has 9039 states and 13243 transitions. Word has length 291 [2021-11-25 20:39:47,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:39:47,005 INFO L470 AbstractCegarLoop]: Abstraction has 9039 states and 13243 transitions. [2021-11-25 20:39:47,007 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2021-11-25 20:39:47,008 INFO L276 IsEmpty]: Start isEmpty. Operand 9039 states and 13243 transitions. [2021-11-25 20:39:47,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2021-11-25 20:39:47,022 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:39:47,023 INFO L514 BasicCegarLoop]: trace histogram [28, 27, 27, 27, 27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:39:47,023 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 20:39:47,023 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-25 20:39:47,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:39:47,026 INFO L85 PathProgramCache]: Analyzing trace with hash 2108106032, now seen corresponding path program 1 times [2021-11-25 20:39:47,026 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:39:47,027 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100899721] [2021-11-25 20:39:47,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:39:47,027 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:39:47,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:39:47,713 INFO L134 CoverageAnalysis]: Checked inductivity of 2862 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2862 trivial. 0 not checked. [2021-11-25 20:39:47,713 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:39:47,714 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100899721] [2021-11-25 20:39:47,714 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [100899721] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:39:47,714 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:39:47,714 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 20:39:47,714 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51486795] [2021-11-25 20:39:47,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:39:47,719 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 20:39:47,721 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:39:47,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 20:39:47,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:39:47,722 INFO L87 Difference]: Start difference. First operand 9039 states and 13243 transitions. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2021-11-25 20:39:51,055 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:39:53,266 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:40:02,631 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:40:04,664 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:40:10,562 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:40:12,809 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:40:15,113 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:40:17,387 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:40:19,873 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:40:22,304 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:40:25,525 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:40:26,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:40:26,177 INFO L93 Difference]: Finished difference Result 26484 states and 38781 transitions. [2021-11-25 20:40:26,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 20:40:26,179 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 307 [2021-11-25 20:40:26,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:40:26,369 INFO L225 Difference]: With dead ends: 26484 [2021-11-25 20:40:26,376 INFO L226 Difference]: Without dead ends: 17500 [2021-11-25 20:40:26,618 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:40:26,619 INFO L933 BasicCegarLoop]: 8345 mSDtfsCounter, 6169 mSDsluCounter, 6747 mSDsCounter, 0 mSdLazyCounter, 1732 mSolverCounterSat, 29 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6178 SdHoareTripleChecker+Valid, 14369 SdHoareTripleChecker+Invalid, 1770 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1732 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.6s IncrementalHoareTripleChecker+Time [2021-11-25 20:40:26,620 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6178 Valid, 14369 Invalid, 1770 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [29 Valid, 1732 Invalid, 9 Unknown, 0 Unchecked, 37.6s Time] [2021-11-25 20:40:26,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17500 states. [2021-11-25 20:40:27,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17500 to 17476. [2021-11-25 20:40:27,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17476 states, 10687 states have (on average 1.2990549265462712) internal successors, (13883), 10971 states have internal predecessors, (13883), 5821 states have call successors, (5821), 969 states have call predecessors, (5821), 965 states have return successors, (5836), 5771 states have call predecessors, (5836), 5817 states have call successors, (5836) [2021-11-25 20:40:27,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17476 states to 17476 states and 25540 transitions. [2021-11-25 20:40:27,860 INFO L78 Accepts]: Start accepts. Automaton has 17476 states and 25540 transitions. Word has length 307 [2021-11-25 20:40:27,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:40:27,865 INFO L470 AbstractCegarLoop]: Abstraction has 17476 states and 25540 transitions. [2021-11-25 20:40:27,865 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2021-11-25 20:40:27,866 INFO L276 IsEmpty]: Start isEmpty. Operand 17476 states and 25540 transitions. [2021-11-25 20:40:27,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2021-11-25 20:40:27,874 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:40:27,875 INFO L514 BasicCegarLoop]: trace histogram [28, 27, 27, 27, 27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:40:27,875 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-25 20:40:27,875 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-25 20:40:27,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:40:27,876 INFO L85 PathProgramCache]: Analyzing trace with hash -1129260617, now seen corresponding path program 1 times [2021-11-25 20:40:27,877 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:40:27,877 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93607413] [2021-11-25 20:40:27,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:40:27,877 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:40:28,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:40:28,428 INFO L134 CoverageAnalysis]: Checked inductivity of 2862 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2862 trivial. 0 not checked. [2021-11-25 20:40:28,429 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:40:28,429 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93607413] [2021-11-25 20:40:28,429 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [93607413] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:40:28,429 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:40:28,429 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 20:40:28,429 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866032515] [2021-11-25 20:40:28,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:40:28,430 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 20:40:28,430 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:40:28,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 20:40:28,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:40:28,431 INFO L87 Difference]: Start difference. First operand 17476 states and 25540 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2021-11-25 20:40:31,530 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:40:33,596 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:40:42,362 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:40:49,425 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:40:51,753 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:40:54,001 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:40:58,146 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:41:00,430 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:41:02,555 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:41:03,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:41:03,594 INFO L93 Difference]: Finished difference Result 45179 states and 65922 transitions. [2021-11-25 20:41:03,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 20:41:03,595 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 306 [2021-11-25 20:41:03,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:41:03,964 INFO L225 Difference]: With dead ends: 45179 [2021-11-25 20:41:03,964 INFO L226 Difference]: Without dead ends: 27758 [2021-11-25 20:41:04,050 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:41:04,053 INFO L933 BasicCegarLoop]: 8852 mSDtfsCounter, 6241 mSDsluCounter, 6773 mSDsCounter, 0 mSdLazyCounter, 1735 mSolverCounterSat, 19 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6249 SdHoareTripleChecker+Valid, 14891 SdHoareTripleChecker+Invalid, 1762 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 1735 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.2s IncrementalHoareTripleChecker+Time [2021-11-25 20:41:04,055 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6249 Valid, 14891 Invalid, 1762 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 1735 Invalid, 8 Unknown, 0 Unchecked, 34.2s Time] [2021-11-25 20:41:04,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27758 states. [2021-11-25 20:41:05,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27758 to 27736. [2021-11-25 20:41:05,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27736 states, 16997 states have (on average 1.2949344001882686) internal successors, (22010), 17462 states have internal predecessors, (22010), 9168 states have call successors, (9168), 1575 states have call predecessors, (9168), 1568 states have return successors, (9200), 9081 states have call predecessors, (9200), 9164 states have call successors, (9200) [2021-11-25 20:41:06,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27736 states to 27736 states and 40378 transitions. [2021-11-25 20:41:06,134 INFO L78 Accepts]: Start accepts. Automaton has 27736 states and 40378 transitions. Word has length 306 [2021-11-25 20:41:06,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:41:06,135 INFO L470 AbstractCegarLoop]: Abstraction has 27736 states and 40378 transitions. [2021-11-25 20:41:06,136 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2021-11-25 20:41:06,136 INFO L276 IsEmpty]: Start isEmpty. Operand 27736 states and 40378 transitions. [2021-11-25 20:41:06,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2021-11-25 20:41:06,162 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:41:06,162 INFO L514 BasicCegarLoop]: trace histogram [28, 27, 27, 27, 27, 27, 27, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:41:06,162 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-25 20:41:06,163 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-25 20:41:06,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:41:06,166 INFO L85 PathProgramCache]: Analyzing trace with hash -1867099844, now seen corresponding path program 1 times [2021-11-25 20:41:06,166 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:41:06,167 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283637980] [2021-11-25 20:41:06,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:41:06,167 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:41:06,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:41:06,945 INFO L134 CoverageAnalysis]: Checked inductivity of 2865 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2865 trivial. 0 not checked. [2021-11-25 20:41:06,946 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:41:06,946 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1283637980] [2021-11-25 20:41:06,946 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1283637980] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:41:06,946 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:41:06,946 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 20:41:06,946 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947237728] [2021-11-25 20:41:06,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:41:06,947 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 20:41:06,947 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:41:06,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 20:41:06,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:41:06,949 INFO L87 Difference]: Start difference. First operand 27736 states and 40378 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2021-11-25 20:41:10,060 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:41:12,188 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:41:22,711 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:41:24,297 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:41:30,227 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:41:32,571 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:41:34,898 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:41:37,177 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:41:40,754 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:41:43,446 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:41:45,658 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:41:46,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:41:46,757 INFO L93 Difference]: Finished difference Result 67570 states and 98392 transitions. [2021-11-25 20:41:46,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 20:41:46,757 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) Word has length 330 [2021-11-25 20:41:46,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:41:47,056 INFO L225 Difference]: With dead ends: 67570 [2021-11-25 20:41:47,056 INFO L226 Difference]: Without dead ends: 39889 [2021-11-25 20:41:47,325 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:41:47,330 INFO L933 BasicCegarLoop]: 9086 mSDtfsCounter, 6366 mSDsluCounter, 6797 mSDsCounter, 0 mSdLazyCounter, 1817 mSolverCounterSat, 12 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 36.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6375 SdHoareTripleChecker+Valid, 15144 SdHoareTripleChecker+Invalid, 1839 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1817 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 38.6s IncrementalHoareTripleChecker+Time [2021-11-25 20:41:47,331 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6375 Valid, 15144 Invalid, 1839 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 1817 Invalid, 10 Unknown, 0 Unchecked, 38.6s Time] [2021-11-25 20:41:47,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39889 states. [2021-11-25 20:41:49,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39889 to 39858. [2021-11-25 20:41:49,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39858 states, 24457 states have (on average 1.2951711166537188) internal successors, (31676), 25135 states have internal predecessors, (31676), 13144 states have call successors, (13144), 2267 states have call predecessors, (13144), 2254 states have return successors, (13195), 13005 states have call predecessors, (13195), 13140 states have call successors, (13195) [2021-11-25 20:41:49,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39858 states to 39858 states and 58015 transitions. [2021-11-25 20:41:49,608 INFO L78 Accepts]: Start accepts. Automaton has 39858 states and 58015 transitions. Word has length 330 [2021-11-25 20:41:49,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:41:49,609 INFO L470 AbstractCegarLoop]: Abstraction has 39858 states and 58015 transitions. [2021-11-25 20:41:49,609 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (37), 2 states have call predecessors, (37), 1 states have return successors, (34), 3 states have call predecessors, (34), 3 states have call successors, (34) [2021-11-25 20:41:49,609 INFO L276 IsEmpty]: Start isEmpty. Operand 39858 states and 58015 transitions. [2021-11-25 20:41:49,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2021-11-25 20:41:49,620 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:41:49,620 INFO L514 BasicCegarLoop]: trace histogram [28, 27, 27, 27, 27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:41:49,620 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-25 20:41:49,621 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)] === [2021-11-25 20:41:49,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:41:49,621 INFO L85 PathProgramCache]: Analyzing trace with hash -723272073, now seen corresponding path program 1 times [2021-11-25 20:41:49,622 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:41:49,622 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960721847] [2021-11-25 20:41:49,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:41:49,622 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:41:50,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:41:50,466 INFO L134 CoverageAnalysis]: Checked inductivity of 2862 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2862 trivial. 0 not checked. [2021-11-25 20:41:50,466 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:41:50,467 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [960721847] [2021-11-25 20:41:50,467 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [960721847] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:41:50,467 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:41:50,467 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 20:41:50,467 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298059419] [2021-11-25 20:41:50,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:41:50,468 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 20:41:50,468 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:41:50,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 20:41:50,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:41:50,469 INFO L87 Difference]: Start difference. First operand 39858 states and 58015 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2021-11-25 20:41:54,127 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:41:57,312 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:41:59,754 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:42:03,425 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:42:05,481 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:42:10,833 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:42:15,084 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:42:18,164 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:42:20,418 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:42:22,658 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:42:24,980 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:42:27,243 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:42:29,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:42:29,088 INFO L93 Difference]: Finished difference Result 100520 states and 146132 transitions. [2021-11-25 20:42:29,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 20:42:29,089 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 328 [2021-11-25 20:42:29,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:42:29,565 INFO L225 Difference]: With dead ends: 100520 [2021-11-25 20:42:29,565 INFO L226 Difference]: Without dead ends: 60717 [2021-11-25 20:42:29,910 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 20:42:29,910 INFO L933 BasicCegarLoop]: 7447 mSDtfsCounter, 5600 mSDsluCounter, 6732 mSDsCounter, 0 mSdLazyCounter, 1590 mSolverCounterSat, 7 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5605 SdHoareTripleChecker+Valid, 13482 SdHoareTripleChecker+Invalid, 1605 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1590 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.6s IncrementalHoareTripleChecker+Time [2021-11-25 20:42:29,911 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5605 Valid, 13482 Invalid, 1605 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1590 Invalid, 8 Unknown, 0 Unchecked, 36.6s Time] [2021-11-25 20:42:29,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60717 states. [2021-11-25 20:42:32,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60717 to 60687. [2021-11-25 20:42:32,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60687 states, 37148 states have (on average 1.2893291698072575) internal successors, (47896), 38236 states have internal predecessors, (47896), 19939 states have call successors, (19939), 3625 states have call predecessors, (19939), 3597 states have return successors, (20289), 19691 states have call predecessors, (20289), 19935 states have call successors, (20289) [2021-11-25 20:42:33,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60687 states to 60687 states and 88124 transitions. [2021-11-25 20:42:33,249 INFO L78 Accepts]: Start accepts. Automaton has 60687 states and 88124 transitions. Word has length 328 [2021-11-25 20:42:33,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:42:33,251 INFO L470 AbstractCegarLoop]: Abstraction has 60687 states and 88124 transitions. [2021-11-25 20:42:33,252 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2021-11-25 20:42:33,252 INFO L276 IsEmpty]: Start isEmpty. Operand 60687 states and 88124 transitions. [2021-11-25 20:42:33,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2021-11-25 20:42:33,259 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:42:33,259 INFO L514 BasicCegarLoop]: trace histogram [31, 27, 27, 27, 27, 27, 27, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:42:33,259 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-25 20:42:33,260 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-25 20:42:33,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:42:33,261 INFO L85 PathProgramCache]: Analyzing trace with hash 1100430494, now seen corresponding path program 1 times [2021-11-25 20:42:33,261 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:42:33,261 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986615389] [2021-11-25 20:42:33,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:42:33,261 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:42:33,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:42:34,333 INFO L134 CoverageAnalysis]: Checked inductivity of 3063 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3063 trivial. 0 not checked. [2021-11-25 20:42:34,334 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:42:34,334 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986615389] [2021-11-25 20:42:34,334 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [986615389] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:42:34,334 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:42:34,334 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 20:42:34,335 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536940800] [2021-11-25 20:42:34,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:42:34,335 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 20:42:34,336 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:42:34,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 20:42:34,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-25 20:42:34,336 INFO L87 Difference]: Start difference. First operand 60687 states and 88124 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2021-11-25 20:42:42,438 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:42:50,669 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:42:52,412 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:42:54,189 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:43:02,058 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:43:04,553 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:43:09,654 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:43:12,010 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:43:17,922 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:43:19,942 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:43:21,965 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:43:23,992 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:43:27,471 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:43:35,478 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:43:38,320 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:43:40,549 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:43:42,894 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:43:45,124 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:43:46,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:43:46,932 INFO L93 Difference]: Finished difference Result 116207 states and 169159 transitions. [2021-11-25 20:43:46,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-25 20:43:46,933 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 333 [2021-11-25 20:43:46,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:43:48,072 INFO L225 Difference]: With dead ends: 116207 [2021-11-25 20:43:48,072 INFO L226 Difference]: Without dead ends: 116205 [2021-11-25 20:43:48,130 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 [2021-11-25 20:43:48,131 INFO L933 BasicCegarLoop]: 8307 mSDtfsCounter, 6424 mSDsluCounter, 25112 mSDsCounter, 0 mSdLazyCounter, 3391 mSolverCounterSat, 3 mSolverCounterUnsat, 13 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 66.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6433 SdHoareTripleChecker+Valid, 30915 SdHoareTripleChecker+Invalid, 3407 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 3391 IncrementalHoareTripleChecker+Invalid, 13 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 69.4s IncrementalHoareTripleChecker+Time [2021-11-25 20:43:48,131 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6433 Valid, 30915 Invalid, 3407 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 3391 Invalid, 13 Unknown, 0 Unchecked, 69.4s Time] [2021-11-25 20:43:48,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116205 states. [2021-11-25 20:43:53,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116205 to 115605. [2021-11-25 20:43:53,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115605 states, 70658 states have (on average 1.2878230349005066) internal successors, (90995), 72687 states have internal predecessors, (90995), 38154 states have call successors, (38154), 6840 states have call predecessors, (38154), 6790 states have return successors, (39206), 37659 states have call predecessors, (39206), 38146 states have call successors, (39206) [2021-11-25 20:43:55,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115605 states to 115605 states and 168355 transitions. [2021-11-25 20:43:55,297 INFO L78 Accepts]: Start accepts. Automaton has 115605 states and 168355 transitions. Word has length 333 [2021-11-25 20:43:55,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:43:55,298 INFO L470 AbstractCegarLoop]: Abstraction has 115605 states and 168355 transitions. [2021-11-25 20:43:55,299 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2021-11-25 20:43:55,299 INFO L276 IsEmpty]: Start isEmpty. Operand 115605 states and 168355 transitions. [2021-11-25 20:43:55,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2021-11-25 20:43:55,342 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:43:55,343 INFO L514 BasicCegarLoop]: trace histogram [31, 27, 27, 27, 27, 27, 27, 5, 5, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:43:55,343 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-25 20:43:55,344 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-25 20:43:55,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:43:55,345 INFO L85 PathProgramCache]: Analyzing trace with hash 1525767204, now seen corresponding path program 1 times [2021-11-25 20:43:55,345 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:43:55,345 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684202792] [2021-11-25 20:43:55,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:43:55,346 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:43:55,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:43:56,675 INFO L134 CoverageAnalysis]: Checked inductivity of 3072 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3070 trivial. 0 not checked. [2021-11-25 20:43:56,675 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:43:56,675 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684202792] [2021-11-25 20:43:56,675 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [684202792] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:43:56,676 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:43:56,676 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 20:43:56,676 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994478818] [2021-11-25 20:43:56,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:43:56,677 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 20:43:56,677 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:43:56,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 20:43:56,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-25 20:43:56,679 INFO L87 Difference]: Start difference. First operand 115605 states and 168355 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (41), 3 states have call predecessors, (41), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2021-11-25 20:44:06,308 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:44:14,728 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:44:20,241 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:44:27,604 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:44:32,156 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:44:40,082 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:44:43,097 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:44:45,646 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:44:47,974 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:44:50,192 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:44:53,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:44:53,055 INFO L93 Difference]: Finished difference Result 230274 states and 335416 transitions. [2021-11-25 20:44:53,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-25 20:44:53,056 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (41), 3 states have call predecessors, (41), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) Word has length 341 [2021-11-25 20:44:53,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:44:54,768 INFO L225 Difference]: With dead ends: 230274 [2021-11-25 20:44:54,768 INFO L226 Difference]: Without dead ends: 230272 [2021-11-25 20:44:54,895 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-25 20:44:54,896 INFO L933 BasicCegarLoop]: 8011 mSDtfsCounter, 6464 mSDsluCounter, 24348 mSDsCounter, 0 mSdLazyCounter, 3139 mSolverCounterSat, 2 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 48.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6476 SdHoareTripleChecker+Valid, 30025 SdHoareTripleChecker+Invalid, 3150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 3139 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 50.5s IncrementalHoareTripleChecker+Time [2021-11-25 20:44:54,896 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6476 Valid, 30025 Invalid, 3150 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 3139 Invalid, 9 Unknown, 0 Unchecked, 50.5s Time] [2021-11-25 20:44:55,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230272 states. [2021-11-25 20:45:05,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230272 to 230247. [2021-11-25 20:45:05,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230247 states, 140708 states have (on average 1.288057537595588) internal successors, (181240), 144755 states have internal predecessors, (181240), 76022 states have call successors, (76022), 13617 states have call predecessors, (76022), 13514 states have return successors, (78129), 75026 states have call predecessors, (78129), 76006 states have call successors, (78129) [2021-11-25 20:45:08,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230247 states to 230247 states and 335391 transitions. [2021-11-25 20:45:08,108 INFO L78 Accepts]: Start accepts. Automaton has 230247 states and 335391 transitions. Word has length 341 [2021-11-25 20:45:08,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 20:45:08,109 INFO L470 AbstractCegarLoop]: Abstraction has 230247 states and 335391 transitions. [2021-11-25 20:45:08,110 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (41), 3 states have call predecessors, (41), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2021-11-25 20:45:08,110 INFO L276 IsEmpty]: Start isEmpty. Operand 230247 states and 335391 transitions. [2021-11-25 20:45:08,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2021-11-25 20:45:08,120 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 20:45:08,120 INFO L514 BasicCegarLoop]: trace histogram [31, 27, 27, 27, 27, 27, 27, 5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 20:45:08,121 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-25 20:45:08,121 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-25 20:45:08,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 20:45:08,122 INFO L85 PathProgramCache]: Analyzing trace with hash 10417533, now seen corresponding path program 1 times [2021-11-25 20:45:08,122 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 20:45:08,122 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739237586] [2021-11-25 20:45:08,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 20:45:08,122 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 20:45:08,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 20:45:09,417 INFO L134 CoverageAnalysis]: Checked inductivity of 3079 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3075 trivial. 0 not checked. [2021-11-25 20:45:09,417 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 20:45:09,417 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739237586] [2021-11-25 20:45:09,417 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [739237586] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 20:45:09,418 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 20:45:09,418 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 20:45:09,418 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689319770] [2021-11-25 20:45:09,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 20:45:09,419 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 20:45:09,419 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 20:45:09,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 20:45:09,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-25 20:45:09,420 INFO L87 Difference]: Start difference. First operand 230247 states and 335391 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (42), 3 states have call predecessors, (42), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2021-11-25 20:45:16,828 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:45:25,252 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:45:27,283 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:45:29,553 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:45:42,522 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:45:47,241 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:45:56,012 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:45:59,073 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:46:01,684 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:46:03,996 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:46:06,220 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 20:46:09,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 20:46:09,088 INFO L93 Difference]: Finished difference Result 230297 states and 335422 transitions. [2021-11-25 20:46:09,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-25 20:46:09,089 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (42), 3 states have call predecessors, (42), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 347 [2021-11-25 20:46:09,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 20:46:10,716 INFO L225 Difference]: With dead ends: 230297 [2021-11-25 20:46:10,716 INFO L226 Difference]: Without dead ends: 230293 [2021-11-25 20:46:10,821 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 [2021-11-25 20:46:10,821 INFO L933 BasicCegarLoop]: 8011 mSDtfsCounter, 6466 mSDsluCounter, 24352 mSDsCounter, 0 mSdLazyCounter, 3142 mSolverCounterSat, 2 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 51.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6476 SdHoareTripleChecker+Valid, 30025 SdHoareTripleChecker+Invalid, 3154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 3142 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 53.6s IncrementalHoareTripleChecker+Time [2021-11-25 20:46:10,822 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6476 Valid, 30025 Invalid, 3154 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 3142 Invalid, 10 Unknown, 0 Unchecked, 53.6s Time] [2021-11-25 20:46:11,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230293 states. [2021-11-25 20:46:21,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230293 to 230283. [2021-11-25 20:46:21,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230283 states, 140728 states have (on average 1.2880094934909898) internal successors, (181259), 144774 states have internal predecessors, (181259), 76022 states have call successors, (76022), 13634 states have call predecessors, (76022), 13530 states have return successors, (78129), 75026 states have call predecessors, (78129), 76006 states have call successors, (78129)