./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 aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16930071-51b7-48fe-99f3-1acfb2ff5bde/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16930071-51b7-48fe-99f3-1acfb2ff5bde/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16930071-51b7-48fe-99f3-1acfb2ff5bde/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16930071-51b7-48fe-99f3-1acfb2ff5bde/bin/utaipan-EQgc7hIp5V/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_16930071-51b7-48fe-99f3-1acfb2ff5bde/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16930071-51b7-48fe-99f3-1acfb2ff5bde/bin/utaipan-EQgc7hIp5V --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 6edce8af070c2ee0f77c0bbc4c8794c42a85035f5c58f10014fb64bda90c7e26 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 03:31:14,407 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 03:31:14,411 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 03:31:14,479 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 03:31:14,480 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 03:31:14,482 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 03:31:14,484 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 03:31:14,486 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 03:31:14,489 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 03:31:14,490 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 03:31:14,492 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 03:31:14,494 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 03:31:14,495 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 03:31:14,496 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 03:31:14,499 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 03:31:14,501 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 03:31:14,502 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 03:31:14,504 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 03:31:14,506 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 03:31:14,509 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 03:31:14,511 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 03:31:14,513 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 03:31:14,515 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 03:31:14,517 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 03:31:14,521 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 03:31:14,522 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 03:31:14,523 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 03:31:14,524 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 03:31:14,525 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 03:31:14,526 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 03:31:14,527 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 03:31:14,528 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 03:31:14,529 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 03:31:14,530 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 03:31:14,532 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 03:31:14,532 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 03:31:14,533 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 03:31:14,534 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 03:31:14,534 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 03:31:14,536 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 03:31:14,537 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 03:31:14,545 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16930071-51b7-48fe-99f3-1acfb2ff5bde/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-23 03:31:14,578 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 03:31:14,578 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 03:31:14,579 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 03:31:14,579 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 03:31:14,580 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 03:31:14,581 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 03:31:14,581 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 03:31:14,581 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 03:31:14,582 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 03:31:14,582 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 03:31:14,583 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 03:31:14,583 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 03:31:14,584 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 03:31:14,584 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 03:31:14,584 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 03:31:14,585 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 03:31:14,585 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 03:31:14,586 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 03:31:14,587 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 03:31:14,587 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 03:31:14,588 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 03:31:14,588 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 03:31:14,588 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 03:31:14,589 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 03:31:14,589 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 03:31:14,589 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 03:31:14,589 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 03:31:14,590 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 03:31:14,590 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 03:31:14,590 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 03:31:14,590 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 03:31:14,591 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 03:31:14,591 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 03:31:14,591 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 03:31:14,591 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 03:31:14,592 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 03:31:14,592 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 03:31:14,592 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 03:31:14,592 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_16930071-51b7-48fe-99f3-1acfb2ff5bde/bin/utaipan-EQgc7hIp5V/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16930071-51b7-48fe-99f3-1acfb2ff5bde/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6edce8af070c2ee0f77c0bbc4c8794c42a85035f5c58f10014fb64bda90c7e26 [2021-11-23 03:31:14,952 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 03:31:14,979 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 03:31:14,982 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 03:31:14,984 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 03:31:14,985 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 03:31:14,986 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16930071-51b7-48fe-99f3-1acfb2ff5bde/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i [2021-11-23 03:31:15,058 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16930071-51b7-48fe-99f3-1acfb2ff5bde/bin/utaipan-EQgc7hIp5V/data/8ee900d3a/c80de5ca04c74f9ba3fd6fbda318d584/FLAGc03a6d75b [2021-11-23 03:31:16,305 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 03:31:16,307 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16930071-51b7-48fe-99f3-1acfb2ff5bde/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i [2021-11-23 03:31:16,400 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16930071-51b7-48fe-99f3-1acfb2ff5bde/bin/utaipan-EQgc7hIp5V/data/8ee900d3a/c80de5ca04c74f9ba3fd6fbda318d584/FLAGc03a6d75b [2021-11-23 03:31:16,920 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16930071-51b7-48fe-99f3-1acfb2ff5bde/bin/utaipan-EQgc7hIp5V/data/8ee900d3a/c80de5ca04c74f9ba3fd6fbda318d584 [2021-11-23 03:31:16,923 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 03:31:16,925 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 03:31:16,928 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 03:31:16,928 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 03:31:16,932 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 03:31:16,934 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:31:16" (1/1) ... [2021-11-23 03:31:16,936 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26cd8c14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:16, skipping insertion in model container [2021-11-23 03:31:16,937 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:31:16" (1/1) ... [2021-11-23 03:31:16,945 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 03:31:17,230 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 03:31:25,397 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_16930071-51b7-48fe-99f3-1acfb2ff5bde/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i[666496,666509] [2021-11-23 03:31:25,400 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_16930071-51b7-48fe-99f3-1acfb2ff5bde/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i[666662,666675] [2021-11-23 03:31:25,401 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_16930071-51b7-48fe-99f3-1acfb2ff5bde/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i[666826,666839] [2021-11-23 03:31:25,402 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_16930071-51b7-48fe-99f3-1acfb2ff5bde/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i[666991,667004] [2021-11-23 03:31:25,437 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 03:31:25,522 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 03:31:26,242 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_16930071-51b7-48fe-99f3-1acfb2ff5bde/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i[666496,666509] [2021-11-23 03:31:26,242 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_16930071-51b7-48fe-99f3-1acfb2ff5bde/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i[666662,666675] [2021-11-23 03:31:26,243 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_16930071-51b7-48fe-99f3-1acfb2ff5bde/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i[666826,666839] [2021-11-23 03:31:26,243 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_16930071-51b7-48fe-99f3-1acfb2ff5bde/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i[666991,667004] [2021-11-23 03:31:26,256 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 03:31:26,677 INFO L208 MainTranslator]: Completed translation [2021-11-23 03:31:26,677 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:26 WrapperNode [2021-11-23 03:31:26,678 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 03:31:26,679 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 03:31:26,679 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 03:31:26,679 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 03:31:26,688 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:26" (1/1) ... [2021-11-23 03:31:27,140 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:26" (1/1) ... [2021-11-23 03:31:27,656 INFO L137 Inliner]: procedures = 741, calls = 8484, calls flagged for inlining = 407, calls inlined = 361, statements flattened = 16805 [2021-11-23 03:31:27,656 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 03:31:27,657 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 03:31:27,658 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 03:31:27,658 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 03:31:27,668 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:26" (1/1) ... [2021-11-23 03:31:27,668 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:26" (1/1) ... [2021-11-23 03:31:27,756 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:26" (1/1) ... [2021-11-23 03:31:27,756 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:26" (1/1) ... [2021-11-23 03:31:28,139 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:26" (1/1) ... [2021-11-23 03:31:28,206 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:26" (1/1) ... [2021-11-23 03:31:28,276 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:26" (1/1) ... [2021-11-23 03:31:28,550 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 03:31:28,551 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 03:31:28,552 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 03:31:28,552 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 03:31:28,553 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:26" (1/1) ... [2021-11-23 03:31:28,575 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 03:31:28,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16930071-51b7-48fe-99f3-1acfb2ff5bde/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:31:28,633 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16930071-51b7-48fe-99f3-1acfb2ff5bde/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 03:31:28,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16930071-51b7-48fe-99f3-1acfb2ff5bde/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 03:31:28,767 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-11-23 03:31:28,767 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-11-23 03:31:28,767 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_resolve_flow_ctrl [2021-11-23 03:31:28,767 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_resolve_flow_ctrl [2021-11-23 03:31:28,767 INFO L130 BoogieDeclarations]: Found specification of procedure load_rv2p_fw [2021-11-23 03:31:28,767 INFO L138 BoogieDeclarations]: Found implementation of procedure load_rv2p_fw [2021-11-23 03:31:28,767 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_bmsr1 [2021-11-23 03:31:28,768 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_bmsr1 [2021-11-23 03:31:28,768 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2021-11-23 03:31:28,768 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2021-11-23 03:31:28,768 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2021-11-23 03:31:28,768 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2021-11-23 03:31:28,768 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_int [2021-11-23 03:31:28,768 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_int [2021-11-23 03:31:28,769 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-11-23 03:31:28,769 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-11-23 03:31:28,769 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-23 03:31:28,769 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-23 03:31:28,769 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-11-23 03:31:28,769 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-11-23 03:31:28,769 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_rxbd_rings [2021-11-23 03:31:28,769 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_rxbd_rings [2021-11-23 03:31:28,770 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_nvram_read_dword [2021-11-23 03:31:28,770 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_nvram_read_dword [2021-11-23 03:31:28,770 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-11-23 03:31:28,783 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-11-23 03:31:28,783 INFO L130 BoogieDeclarations]: Found specification of procedure get_l2_fhdr [2021-11-23 03:31:28,783 INFO L138 BoogieDeclarations]: Found implementation of procedure get_l2_fhdr [2021-11-23 03:31:28,784 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_cnic_stop [2021-11-23 03:31:28,784 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_cnic_stop [2021-11-23 03:31:28,784 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 03:31:28,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 03:31:28,784 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_netif_start [2021-11-23 03:31:28,784 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_netif_start [2021-11-23 03:31:28,785 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_int_mode [2021-11-23 03:31:28,785 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_int_mode [2021-11-23 03:31:28,785 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2021-11-23 03:31:28,785 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2021-11-23 03:31:28,785 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_bmsr1 [2021-11-23 03:31:28,785 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_bmsr1 [2021-11-23 03:31:28,786 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_forced_2g5 [2021-11-23 03:31:28,786 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_forced_2g5 [2021-11-23 03:31:28,786 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2021-11-23 03:31:28,787 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2021-11-23 03:31:28,787 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_xceiver_str [2021-11-23 03:31:28,787 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_xceiver_str [2021-11-23 03:31:28,788 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_rx_context [2021-11-23 03:31:28,788 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_rx_context [2021-11-23 03:31:28,788 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-23 03:31:28,788 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-23 03:31:28,788 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-11-23 03:31:28,789 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-11-23 03:31:28,789 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-23 03:31:28,789 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-23 03:31:28,789 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_resume [2021-11-23 03:31:28,789 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_resume [2021-11-23 03:31:28,790 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_pcie_error_reporting [2021-11-23 03:31:28,790 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_pcie_error_reporting [2021-11-23 03:31:28,790 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_ctx_wr [2021-11-23 03:31:28,790 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_ctx_wr [2021-11-23 03:31:28,790 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2021-11-23 03:31:28,790 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2021-11-23 03:31:28,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_bnx2_pci_driver_exit_16_2 [2021-11-23 03:31:28,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_bnx2_pci_driver_exit_16_2 [2021-11-23 03:31:28,791 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-23 03:31:28,791 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-23 03:31:28,791 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_remote_phy [2021-11-23 03:31:28,792 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_remote_phy [2021-11-23 03:31:28,792 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_alloc_rx_data [2021-11-23 03:31:28,792 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_alloc_rx_data [2021-11-23 03:31:28,792 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_phy [2021-11-23 03:31:28,792 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_phy [2021-11-23 03:31:28,792 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_unlock [2021-11-23 03:31:28,792 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_unlock [2021-11-23 03:31:28,793 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-23 03:31:28,793 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-23 03:31:28,793 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-23 03:31:28,794 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-23 03:31:28,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-23 03:31:28,794 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-23 03:31:28,794 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-23 03:31:28,794 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-23 03:31:28,795 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-23 03:31:28,795 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-23 03:31:28,796 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-23 03:31:28,796 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-23 03:31:28,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-23 03:31:28,797 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2021-11-23 03:31:28,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2021-11-23 03:31:28,797 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-11-23 03:31:28,797 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-11-23 03:31:28,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 03:31:28,797 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_napi [2021-11-23 03:31:28,798 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_napi [2021-11-23 03:31:28,798 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_read_phy [2021-11-23 03:31:28,798 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_read_phy [2021-11-23 03:31:28,798 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2021-11-23 03:31:28,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2021-11-23 03:31:28,798 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-11-23 03:31:28,799 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-11-23 03:31:28,799 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_request_irq [2021-11-23 03:31:28,799 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_request_irq [2021-11-23 03:31:28,799 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-11-23 03:31:28,799 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-11-23 03:31:28,800 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reg_wr_ind [2021-11-23 03:31:28,801 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reg_wr_ind [2021-11-23 03:31:28,803 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-23 03:31:28,803 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-23 03:31:28,803 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-23 03:31:28,803 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-23 03:31:28,804 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-23 03:31:28,804 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-23 03:31:28,805 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-11-23 03:31:28,805 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-11-23 03:31:28,805 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-23 03:31:28,811 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2021-11-23 03:31:28,811 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2021-11-23 03:31:28,811 INFO L130 BoogieDeclarations]: Found specification of procedure __napi_schedule [2021-11-23 03:31:28,811 INFO L138 BoogieDeclarations]: Found implementation of procedure __napi_schedule [2021-11-23 03:31:28,811 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_rx_mode [2021-11-23 03:31:28,811 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_rx_mode [2021-11-23 03:31:28,812 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_test_intr [2021-11-23 03:31:28,812 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_test_intr [2021-11-23 03:31:28,812 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-23 03:31:28,812 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-23 03:31:28,812 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_nic [2021-11-23 03:31:28,812 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_nic [2021-11-23 03:31:28,812 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-23 03:31:28,812 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-23 03:31:28,812 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_wol [2021-11-23 03:31:28,813 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_wol [2021-11-23 03:31:28,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-23 03:31:28,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-23 03:31:28,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-23 03:31:28,813 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_mac_addr [2021-11-23 03:31:28,813 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_mac_addr [2021-11-23 03:31:28,813 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reset_nic [2021-11-23 03:31:28,813 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reset_nic [2021-11-23 03:31:28,813 INFO L130 BoogieDeclarations]: Found specification of procedure dma_sync_single_for_cpu [2021-11-23 03:31:28,814 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_sync_single_for_cpu [2021-11-23 03:31:28,814 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_msi [2021-11-23 03:31:28,814 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_msi [2021-11-23 03:31:28,814 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 03:31:28,814 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-23 03:31:28,814 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-23 03:31:28,814 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2021-11-23 03:31:28,814 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2021-11-23 03:31:28,814 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-23 03:31:28,814 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-23 03:31:28,815 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_free_skbs [2021-11-23 03:31:28,815 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_free_skbs [2021-11-23 03:31:28,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-23 03:31:28,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-23 03:31:28,815 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_channels [2021-11-23 03:31:28,815 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_channels [2021-11-23 03:31:28,815 INFO L130 BoogieDeclarations]: Found specification of procedure __bnx2_free_irq [2021-11-23 03:31:28,815 INFO L138 BoogieDeclarations]: Found implementation of procedure __bnx2_free_irq [2021-11-23 03:31:28,816 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_test_and_enable_2g5 [2021-11-23 03:31:28,816 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_test_and_enable_2g5 [2021-11-23 03:31:28,816 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-11-23 03:31:28,816 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-11-23 03:31:28,816 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-23 03:31:28,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-23 03:31:28,817 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-23 03:31:28,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-23 03:31:28,817 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2021-11-23 03:31:28,817 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2021-11-23 03:31:28,817 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_msix_tbl [2021-11-23 03:31:28,817 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_msix_tbl [2021-11-23 03:31:28,817 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_int_sync [2021-11-23 03:31:28,817 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_int_sync [2021-11-23 03:31:28,818 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-11-23 03:31:28,818 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-11-23 03:31:28,818 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_open [2021-11-23 03:31:28,818 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_open [2021-11-23 03:31:28,818 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reset_chip [2021-11-23 03:31:28,818 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reset_chip [2021-11-23 03:31:28,818 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_del_napi [2021-11-23 03:31:28,818 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_del_napi [2021-11-23 03:31:28,820 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-11-23 03:31:28,820 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-11-23 03:31:28,820 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_settings [2021-11-23 03:31:28,820 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_settings [2021-11-23 03:31:28,820 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-23 03:31:28,820 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-23 03:31:28,820 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_lock [2021-11-23 03:31:28,821 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_lock [2021-11-23 03:31:28,821 INFO L130 BoogieDeclarations]: Found specification of procedure check_mips_fw_entry [2021-11-23 03:31:28,821 INFO L138 BoogieDeclarations]: Found implementation of procedure check_mips_fw_entry [2021-11-23 03:31:28,821 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_cnic_start [2021-11-23 03:31:28,821 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_cnic_start [2021-11-23 03:31:28,821 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_shmem_rd [2021-11-23 03:31:28,821 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_shmem_rd [2021-11-23 03:31:28,821 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_mac_link [2021-11-23 03:31:28,821 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_mac_link [2021-11-23 03:31:28,822 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 03:31:28,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-23 03:31:28,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-23 03:31:28,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-23 03:31:28,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-23 03:31:28,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-11-23 03:31:28,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-11-23 03:31:28,822 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2021-11-23 03:31:28,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2021-11-23 03:31:28,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-11-23 03:31:28,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-11-23 03:31:28,823 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-11-23 03:31:28,823 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-11-23 03:31:28,823 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_napi_enable [2021-11-23 03:31:28,823 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_napi_enable [2021-11-23 03:31:28,823 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 03:31:28,823 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-23 03:31:28,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-23 03:31:28,824 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-23 03:31:28,824 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-23 03:31:28,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 03:31:28,824 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2021-11-23 03:31:28,824 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2021-11-23 03:31:28,824 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-23 03:31:28,824 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_wol [2021-11-23 03:31:28,824 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_wol [2021-11-23 03:31:28,824 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 03:31:28,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 03:31:28,825 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_pauseparam [2021-11-23 03:31:28,825 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_pauseparam [2021-11-23 03:31:28,825 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-11-23 03:31:28,825 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-11-23 03:31:28,825 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-23 03:31:28,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-23 03:31:28,825 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_tx_timeout [2021-11-23 03:31:28,825 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_tx_timeout [2021-11-23 03:31:28,826 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_one [2021-11-23 03:31:28,827 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_one [2021-11-23 03:31:28,830 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-23 03:31:28,830 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-23 03:31:28,830 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-11-23 03:31:28,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-11-23 03:31:28,831 INFO L130 BoogieDeclarations]: Found specification of procedure pci_vpd_find_info_keyword [2021-11-23 03:31:28,831 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_vpd_find_info_keyword [2021-11-23 03:31:28,831 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_disable [2021-11-23 03:31:28,831 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_disable [2021-11-23 03:31:28,831 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_acquire_nvram_lock [2021-11-23 03:31:28,832 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_acquire_nvram_lock [2021-11-23 03:31:28,833 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_remove_one [2021-11-23 03:31:28,833 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_remove_one [2021-11-23 03:31:28,833 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-11-23 03:31:28,833 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-11-23 03:31:28,833 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-23 03:31:28,833 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-23 03:31:28,833 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-11-23 03:31:28,833 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-11-23 03:31:28,833 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-23 03:31:28,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-23 03:31:28,834 INFO L130 BoogieDeclarations]: Found specification of procedure lock_is_held [2021-11-23 03:31:28,834 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_is_held [2021-11-23 03:31:28,834 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2021-11-23 03:31:28,834 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2021-11-23 03:31:28,834 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-11-23 03:31:28,834 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-11-23 03:31:28,834 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_nvram_access [2021-11-23 03:31:28,834 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_nvram_access [2021-11-23 03:31:28,834 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-11-23 03:31:28,835 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-11-23 03:31:28,835 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-23 03:31:28,835 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-23 03:31:28,835 INFO L130 BoogieDeclarations]: Found specification of procedure check_fw_section [2021-11-23 03:31:28,835 INFO L138 BoogieDeclarations]: Found implementation of procedure check_fw_section [2021-11-23 03:31:28,835 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_settings [2021-11-23 03:31:28,835 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_settings [2021-11-23 03:31:28,835 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule_prep [2021-11-23 03:31:28,835 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule_prep [2021-11-23 03:31:28,836 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_run_loopback [2021-11-23 03:31:28,836 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_run_loopback [2021-11-23 03:31:28,836 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2021-11-23 03:31:28,836 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2021-11-23 03:31:28,836 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_napi_disable [2021-11-23 03:31:28,836 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_napi_disable [2021-11-23 03:31:28,836 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 03:31:28,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 03:31:28,836 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-11-23 03:31:28,836 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-11-23 03:31:28,837 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-11-23 03:31:28,837 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-11-23 03:31:28,837 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_nvram_write_dword [2021-11-23 03:31:28,837 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_nvram_write_dword [2021-11-23 03:31:28,837 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-23 03:31:28,837 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-23 03:31:28,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 03:31:28,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 03:31:28,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-23 03:31:28,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-23 03:31:28,838 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_link [2021-11-23 03:31:28,838 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_link [2021-11-23 03:31:28,838 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-23 03:31:28,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-23 03:31:28,838 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2021-11-23 03:31:28,838 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2021-11-23 03:31:28,838 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_int [2021-11-23 03:31:28,838 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_int [2021-11-23 03:31:28,838 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-23 03:31:28,839 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-23 03:31:28,839 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-23 03:31:28,839 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-11-23 03:31:28,839 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-11-23 03:31:28,839 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-11-23 03:31:28,839 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-11-23 03:31:28,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-23 03:31:28,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-23 03:31:28,839 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_nvram_access [2021-11-23 03:31:28,839 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_nvram_access [2021-11-23 03:31:28,840 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_free_mem [2021-11-23 03:31:28,840 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_free_mem [2021-11-23 03:31:28,840 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-11-23 03:31:28,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-11-23 03:31:28,840 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-23 03:31:28,840 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-23 03:31:28,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-23 03:31:28,840 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-23 03:31:28,840 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_release_nvram_lock [2021-11-23 03:31:28,840 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_release_nvram_lock [2021-11-23 03:31:28,841 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-11-23 03:31:28,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-11-23 03:31:28,841 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_nway_reset [2021-11-23 03:31:28,841 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_nway_reset [2021-11-23 03:31:28,841 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2021-11-23 03:31:28,841 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2021-11-23 03:31:28,841 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_has_work [2021-11-23 03:31:28,841 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_has_work [2021-11-23 03:31:28,841 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_has_fast_work [2021-11-23 03:31:28,842 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_has_fast_work [2021-11-23 03:31:28,842 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2021-11-23 03:31:28,842 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2021-11-23 03:31:28,842 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-11-23 03:31:28,842 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-11-23 03:31:28,842 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_tx_avail [2021-11-23 03:31:28,842 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_tx_avail [2021-11-23 03:31:28,842 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_test_link [2021-11-23 03:31:28,842 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_test_link [2021-11-23 03:31:28,842 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-11-23 03:31:28,843 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-11-23 03:31:28,843 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-23 03:31:28,843 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-23 03:31:28,843 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 03:31:28,843 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_report_link [2021-11-23 03:31:28,843 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_report_link [2021-11-23 03:31:28,843 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reset_phy [2021-11-23 03:31:28,843 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reset_phy [2021-11-23 03:31:28,843 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_phy [2021-11-23 03:31:28,844 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_phy [2021-11-23 03:31:28,844 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-11-23 03:31:28,844 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-11-23 03:31:28,844 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_hw_rx_cons [2021-11-23 03:31:28,844 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_hw_rx_cons [2021-11-23 03:31:28,844 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-23 03:31:28,844 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-23 03:31:28,844 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_nvram [2021-11-23 03:31:28,844 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_nvram [2021-11-23 03:31:28,844 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 03:31:28,845 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_change_ring_size [2021-11-23 03:31:28,845 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_change_ring_size [2021-11-23 03:31:28,845 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_power_state [2021-11-23 03:31:28,845 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_power_state [2021-11-23 03:31:28,845 INFO L130 BoogieDeclarations]: Found specification of procedure load_cpu_fw [2021-11-23 03:31:28,845 INFO L138 BoogieDeclarations]: Found implementation of procedure load_cpu_fw [2021-11-23 03:31:28,845 INFO L130 BoogieDeclarations]: Found specification of procedure __free_pages [2021-11-23 03:31:28,845 INFO L138 BoogieDeclarations]: Found implementation of procedure __free_pages [2021-11-23 03:31:28,845 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_default_remote_link [2021-11-23 03:31:28,845 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_default_remote_link [2021-11-23 03:31:28,846 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_io_resume [2021-11-23 03:31:28,846 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_io_resume [2021-11-23 03:31:28,846 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_write_phy [2021-11-23 03:31:28,846 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_write_phy [2021-11-23 03:31:28,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 03:31:28,846 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_hw_tx_cons [2021-11-23 03:31:28,846 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_hw_tx_cons [2021-11-23 03:31:28,846 INFO L130 BoogieDeclarations]: Found specification of procedure pci_vpd_info_field_size [2021-11-23 03:31:28,846 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_vpd_info_field_size [2021-11-23 03:31:28,847 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-23 03:31:28,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-23 03:31:28,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-11-23 03:31:28,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-11-23 03:31:28,847 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_fw_sync [2021-11-23 03:31:28,847 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_fw_sync [2021-11-23 03:31:28,847 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_shmem_wr [2021-11-23 03:31:28,847 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_shmem_wr [2021-11-23 03:31:28,847 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-23 03:31:28,847 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-23 03:31:28,848 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_5706s_force_link_dn [2021-11-23 03:31:28,848 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_5706s_force_link_dn [2021-11-23 03:31:28,848 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-11-23 03:31:28,848 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-11-23 03:31:28,848 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_default_link [2021-11-23 03:31:28,848 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_default_link [2021-11-23 03:31:28,848 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-23 03:31:28,848 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-23 03:31:28,848 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_phy_get_pause_adv [2021-11-23 03:31:28,849 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_phy_get_pause_adv [2021-11-23 03:31:28,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-23 03:31:28,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-23 03:31:28,849 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_remote_phy_event [2021-11-23 03:31:28,849 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_remote_phy_event [2021-11-23 03:31:28,849 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2021-11-23 03:31:28,849 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2021-11-23 03:31:28,849 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_nvram_read [2021-11-23 03:31:28,849 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_nvram_read [2021-11-23 03:31:28,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-23 03:31:28,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-23 03:31:28,850 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_change_mac_addr [2021-11-23 03:31:28,850 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_change_mac_addr [2021-11-23 03:31:28,850 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_fw_cap [2021-11-23 03:31:28,850 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_fw_cap [2021-11-23 03:31:28,850 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reg_rd_ind [2021-11-23 03:31:28,850 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reg_rd_ind [2021-11-23 03:31:28,850 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2021-11-23 03:31:28,850 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2021-11-23 03:31:28,851 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_nvram_write [2021-11-23 03:31:28,851 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_nvram_write [2021-11-23 03:31:28,851 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-11-23 03:31:28,851 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-11-23 03:31:28,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-11-23 03:31:28,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-11-23 03:31:28,851 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-23 03:31:28,851 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-23 03:31:28,851 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-23 03:31:28,851 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-23 03:31:28,852 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-11-23 03:31:28,852 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-11-23 03:31:28,852 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2021-11-23 03:31:28,852 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2021-11-23 03:31:28,852 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_cnic_irq_info [2021-11-23 03:31:28,852 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_cnic_irq_info [2021-11-23 03:31:28,852 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-23 03:31:28,852 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-23 03:31:28,852 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_shutdown [2021-11-23 03:31:28,852 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_shutdown [2021-11-23 03:31:28,853 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_suspend [2021-11-23 03:31:28,853 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_suspend [2021-11-23 03:31:28,853 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_forced_2g5 [2021-11-23 03:31:28,853 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_forced_2g5 [2021-11-23 03:31:28,853 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cnic_lock_of_bnx2 [2021-11-23 03:31:28,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cnic_lock_of_bnx2 [2021-11-23 03:31:28,853 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cnic_lock_of_bnx2 [2021-11-23 03:31:28,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cnic_lock_of_bnx2 [2021-11-23 03:31:28,853 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-23 03:31:28,854 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-23 03:31:28,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-11-23 03:31:28,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-11-23 03:31:28,854 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_netif_stop [2021-11-23 03:31:28,854 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_netif_stop [2021-11-23 03:31:28,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 03:31:28,854 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_ringparam [2021-11-23 03:31:28,854 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_ringparam [2021-11-23 03:31:28,854 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-23 03:31:28,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-23 03:31:28,855 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_find_max_ring [2021-11-23 03:31:28,855 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_find_max_ring [2021-11-23 03:31:28,855 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_coalesce [2021-11-23 03:31:28,855 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_coalesce [2021-11-23 03:31:28,855 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_send_heart_beat [2021-11-23 03:31:28,855 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_send_heart_beat [2021-11-23 03:31:28,855 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2021-11-23 03:31:28,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2021-11-23 03:31:28,855 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_alloc_rx_page [2021-11-23 03:31:28,855 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_alloc_rx_page [2021-11-23 03:31:28,856 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_eeprom_len [2021-11-23 03:31:28,856 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_eeprom_len [2021-11-23 03:31:28,856 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-23 03:31:28,856 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-23 03:31:28,856 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-11-23 03:31:28,856 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-11-23 03:31:28,856 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2021-11-23 03:31:28,856 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2021-11-23 03:31:28,856 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_release_firmware [2021-11-23 03:31:28,857 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_release_firmware [2021-11-23 03:31:28,857 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-11-23 03:31:28,857 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-11-23 03:31:28,857 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-11-23 03:31:28,857 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-11-23 03:31:28,857 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_shutdown_chip [2021-11-23 03:31:28,857 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_shutdown_chip [2021-11-23 03:31:28,857 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_regs_len [2021-11-23 03:31:28,857 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_regs_len [2021-11-23 03:31:28,857 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_alloc_mem [2021-11-23 03:31:28,858 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_alloc_mem [2021-11-23 03:31:28,858 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_close [2021-11-23 03:31:28,858 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_close [2021-11-23 03:31:28,858 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-23 03:31:28,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-23 03:31:28,858 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-11-23 03:31:28,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-11-23 03:31:28,858 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_coalesce [2021-11-23 03:31:28,858 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_coalesce [2021-11-23 03:31:28,858 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2021-11-23 03:31:28,859 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2021-11-23 03:31:28,859 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-11-23 03:31:28,859 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-11-23 03:31:28,859 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-11-23 03:31:28,859 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-11-23 03:31:28,859 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-23 03:31:28,859 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-23 03:31:28,859 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-23 03:31:28,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-23 03:31:28,860 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2021-11-23 03:31:28,860 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2021-11-23 03:31:28,860 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-11-23 03:31:28,860 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-11-23 03:31:28,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 03:31:28,860 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_free_irq [2021-11-23 03:31:28,860 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_free_irq [2021-11-23 03:31:28,860 INFO L130 BoogieDeclarations]: Found specification of procedure poll_bnx2 [2021-11-23 03:31:28,860 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_bnx2 [2021-11-23 03:31:28,860 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2021-11-23 03:31:28,861 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2021-11-23 03:31:28,861 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-23 03:31:28,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-23 03:31:28,861 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_rx_ring_size [2021-11-23 03:31:28,861 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_rx_ring_size [2021-11-23 03:31:28,861 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_dump_mcp_state [2021-11-23 03:31:28,861 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_dump_mcp_state [2021-11-23 03:31:31,024 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 03:31:31,035 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 03:31:31,509 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-23 03:34:03,641 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-23 03:34:03,814 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 03:34:11,394 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 03:34:11,394 INFO L301 CfgBuilder]: Removed 6 assume(true) statements. [2021-11-23 03:34:11,406 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:34:11 BoogieIcfgContainer [2021-11-23 03:34:11,407 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 03:34:11,408 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 03:34:11,408 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 03:34:11,412 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 03:34:11,413 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:31:16" (1/3) ... [2021-11-23 03:34:11,413 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34c9f239 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:34:11, skipping insertion in model container [2021-11-23 03:34:11,414 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:26" (2/3) ... [2021-11-23 03:34:11,414 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34c9f239 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:34:11, skipping insertion in model container [2021-11-23 03:34:11,414 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:34:11" (3/3) ... [2021-11-23 03:34:11,416 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-broadcom-bnx2.cil.i [2021-11-23 03:34:11,421 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 03:34:11,421 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-23 03:34:11,490 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 03:34:11,497 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-23 03:34:11,497 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-23 03:34:11,604 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) [2021-11-23 03:34:11,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2021-11-23 03:34:11,642 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:34:11,644 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] [2021-11-23 03:34:11,644 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-23 03:34:11,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:34:11,654 INFO L85 PathProgramCache]: Analyzing trace with hash 382597913, now seen corresponding path program 1 times [2021-11-23 03:34:11,665 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:34:11,665 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838157143] [2021-11-23 03:34:11,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:34:11,667 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:34:12,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:34:12,927 INFO L134 CoverageAnalysis]: Checked inductivity of 2862 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2862 trivial. 0 not checked. [2021-11-23 03:34:12,927 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:34:12,928 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [838157143] [2021-11-23 03:34:12,929 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [838157143] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:34:12,929 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:34:12,929 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 03:34:12,931 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691586463] [2021-11-23 03:34:12,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:34:12,936 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:34:12,936 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:34:12,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:34:12,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:34:12,978 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) [2021-11-23 03:34:16,281 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 [] [2021-11-23 03:34:18,495 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:34:20,320 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:34:27,483 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:34:32,908 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:34:36,461 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:34:38,782 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:34:41,157 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:34:44,576 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:34:46,863 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:34:48,970 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:34:49,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:34:49,659 INFO L93 Difference]: Finished difference Result 13694 states and 20243 transitions. [2021-11-23 03:34:49,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:34:49,663 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 [2021-11-23 03:34:49,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:34:49,805 INFO L225 Difference]: With dead ends: 13694 [2021-11-23 03:34:49,805 INFO L226 Difference]: Without dead ends: 9046 [2021-11-23 03:34:49,857 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:34:49,860 INFO L933 BasicCegarLoop]: 7804 mSDtfsCounter, 6421 mSDsluCounter, 6814 mSDsCounter, 0 mSdLazyCounter, 1562 mSolverCounterSat, 7 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6430 SdHoareTripleChecker+Valid, 13877 SdHoareTripleChecker+Invalid, 1577 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1562 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.9s IncrementalHoareTripleChecker+Time [2021-11-23 03:34:49,861 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6430 Valid, 13877 Invalid, 1577 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 1562 Invalid, 8 Unknown, 0 Unchecked, 35.9s Time] [2021-11-23 03:34:49,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9046 states. [2021-11-23 03:34:50,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9046 to 9039. [2021-11-23 03:34:50,774 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, (3023), 2993 states have call predecessors, (3023), 3016 states have call successors, (3023) [2021-11-23 03:34:50,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9039 states to 9039 states and 13245 transitions. [2021-11-23 03:34:50,884 INFO L78 Accepts]: Start accepts. Automaton has 9039 states and 13245 transitions. Word has length 291 [2021-11-23 03:34:50,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:34:50,889 INFO L470 AbstractCegarLoop]: Abstraction has 9039 states and 13245 transitions. [2021-11-23 03:34:50,891 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) [2021-11-23 03:34:50,892 INFO L276 IsEmpty]: Start isEmpty. Operand 9039 states and 13245 transitions. [2021-11-23 03:34:50,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2021-11-23 03:34:50,906 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:34:50,907 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] [2021-11-23 03:34:50,907 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 03:34:50,908 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-23 03:34:50,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:34:50,911 INFO L85 PathProgramCache]: Analyzing trace with hash 726185686, now seen corresponding path program 1 times [2021-11-23 03:34:50,911 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:34:50,911 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454072676] [2021-11-23 03:34:50,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:34:50,912 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:34:51,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:34:51,614 INFO L134 CoverageAnalysis]: Checked inductivity of 2862 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2862 trivial. 0 not checked. [2021-11-23 03:34:51,614 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:34:51,614 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454072676] [2021-11-23 03:34:51,614 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454072676] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:34:51,615 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:34:51,615 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 03:34:51,615 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961551847] [2021-11-23 03:34:51,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:34:51,617 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:34:51,617 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:34:51,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:34:51,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:34:51,618 INFO L87 Difference]: Start difference. First operand 9039 states and 13245 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) [2021-11-23 03:34:55,104 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:34:56,405 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:35:01,856 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:35:08,270 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:35:14,366 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:35:16,671 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:35:18,808 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:35:21,373 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:35:24,020 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:35:26,568 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:35:27,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:35:27,307 INFO L93 Difference]: Finished difference Result 26493 states and 38798 transitions. [2021-11-23 03:35:27,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:35:27,308 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 [2021-11-23 03:35:27,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:35:27,480 INFO L225 Difference]: With dead ends: 26493 [2021-11-23 03:35:27,480 INFO L226 Difference]: Without dead ends: 17509 [2021-11-23 03:35:27,574 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:35:27,575 INFO L933 BasicCegarLoop]: 7612 mSDtfsCounter, 6186 mSDsluCounter, 6748 mSDsCounter, 0 mSdLazyCounter, 1605 mSolverCounterSat, 29 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6193 SdHoareTripleChecker+Valid, 13636 SdHoareTripleChecker+Invalid, 1642 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1605 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.0s IncrementalHoareTripleChecker+Time [2021-11-23 03:35:27,576 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6193 Valid, 13636 Invalid, 1642 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [29 Valid, 1605 Invalid, 8 Unknown, 0 Unchecked, 35.0s Time] [2021-11-23 03:35:27,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17509 states. [2021-11-23 03:35:28,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17509 to 17486. [2021-11-23 03:35:28,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17486 states, 10692 states have (on average 1.2990086045641602) internal successors, (13889), 10977 states have internal predecessors, (13889), 5825 states have call successors, (5825), 969 states have call predecessors, (5825), 966 states have return successors, (5842), 5776 states have call predecessors, (5842), 5821 states have call successors, (5842) [2021-11-23 03:35:29,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17486 states to 17486 states and 25556 transitions. [2021-11-23 03:35:29,160 INFO L78 Accepts]: Start accepts. Automaton has 17486 states and 25556 transitions. Word has length 306 [2021-11-23 03:35:29,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:35:29,167 INFO L470 AbstractCegarLoop]: Abstraction has 17486 states and 25556 transitions. [2021-11-23 03:35:29,167 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) [2021-11-23 03:35:29,167 INFO L276 IsEmpty]: Start isEmpty. Operand 17486 states and 25556 transitions. [2021-11-23 03:35:29,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2021-11-23 03:35:29,180 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:35:29,181 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] [2021-11-23 03:35:29,181 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 03:35:29,181 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-23 03:35:29,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:35:29,182 INFO L85 PathProgramCache]: Analyzing trace with hash -1535728702, now seen corresponding path program 1 times [2021-11-23 03:35:29,182 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:35:29,183 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024431910] [2021-11-23 03:35:29,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:35:29,183 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:35:29,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:35:29,735 INFO L134 CoverageAnalysis]: Checked inductivity of 2862 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2862 trivial. 0 not checked. [2021-11-23 03:35:29,735 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:35:29,735 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024431910] [2021-11-23 03:35:29,736 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2024431910] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:35:29,736 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:35:29,736 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 03:35:29,736 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130934608] [2021-11-23 03:35:29,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:35:29,737 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:35:29,737 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:35:29,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:35:29,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:35:29,738 INFO L87 Difference]: Start difference. First operand 17486 states and 25556 transitions. Second operand has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 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) [2021-11-23 03:35:33,129 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:35:35,215 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:35:46,044 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:35:49,051 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:35:52,063 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:35:54,364 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:35:57,321 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:35:58,486 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:36:01,030 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:36:04,281 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:36:06,787 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:36:07,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:36:07,735 INFO L93 Difference]: Finished difference Result 42936 states and 62711 transitions. [2021-11-23 03:36:07,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:36:07,736 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 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 305 [2021-11-23 03:36:07,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:36:07,913 INFO L225 Difference]: With dead ends: 42936 [2021-11-23 03:36:07,913 INFO L226 Difference]: Without dead ends: 25505 [2021-11-23 03:36:08,013 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:36:08,014 INFO L933 BasicCegarLoop]: 9064 mSDtfsCounter, 6241 mSDsluCounter, 6773 mSDsCounter, 0 mSdLazyCounter, 1775 mSolverCounterSat, 19 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6250 SdHoareTripleChecker+Valid, 15103 SdHoareTripleChecker+Invalid, 1802 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 1775 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.2s IncrementalHoareTripleChecker+Time [2021-11-23 03:36:08,015 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6250 Valid, 15103 Invalid, 1802 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 1775 Invalid, 8 Unknown, 0 Unchecked, 37.2s Time] [2021-11-23 03:36:08,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25505 states. [2021-11-23 03:36:09,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25505 to 25476. [2021-11-23 03:36:09,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25476 states, 15626 states have (on average 1.297324971201843) internal successors, (20272), 16055 states have internal predecessors, (20272), 8423 states have call successors, (8423), 1433 states have call predecessors, (8423), 1424 states have return successors, (8449), 8337 states have call predecessors, (8449), 8419 states have call successors, (8449) [2021-11-23 03:36:09,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25476 states to 25476 states and 37144 transitions. [2021-11-23 03:36:09,864 INFO L78 Accepts]: Start accepts. Automaton has 25476 states and 37144 transitions. Word has length 305 [2021-11-23 03:36:09,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:36:09,867 INFO L470 AbstractCegarLoop]: Abstraction has 25476 states and 37144 transitions. [2021-11-23 03:36:09,867 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 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) [2021-11-23 03:36:09,867 INFO L276 IsEmpty]: Start isEmpty. Operand 25476 states and 37144 transitions. [2021-11-23 03:36:09,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2021-11-23 03:36:09,879 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:36:09,880 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] [2021-11-23 03:36:09,880 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-23 03:36:09,880 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-23 03:36:09,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:36:09,881 INFO L85 PathProgramCache]: Analyzing trace with hash -1867099844, now seen corresponding path program 1 times [2021-11-23 03:36:09,881 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:36:09,881 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717747405] [2021-11-23 03:36:09,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:36:09,882 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:36:10,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:36:10,391 INFO L134 CoverageAnalysis]: Checked inductivity of 2865 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2865 trivial. 0 not checked. [2021-11-23 03:36:10,391 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:36:10,391 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717747405] [2021-11-23 03:36:10,392 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [717747405] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:36:10,392 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:36:10,392 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 03:36:10,392 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238985783] [2021-11-23 03:36:10,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:36:10,393 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:36:10,393 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:36:10,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:36:10,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:36:10,393 INFO L87 Difference]: Start difference. First operand 25476 states and 37144 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) [2021-11-23 03:36:13,207 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:36:15,356 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:36:20,054 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:36:26,492 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:36:28,542 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:36:32,786 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:36:36,843 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:36:39,168 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:36:41,355 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:36:43,982 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:36:46,860 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:36:49,628 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 [] [2021-11-23 03:36:50,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:36:50,546 INFO L93 Difference]: Finished difference Result 63061 states and 91945 transitions. [2021-11-23 03:36:50,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:36:50,546 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 [2021-11-23 03:36:50,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:36:50,841 INFO L225 Difference]: With dead ends: 63061 [2021-11-23 03:36:50,842 INFO L226 Difference]: Without dead ends: 37640 [2021-11-23 03:36:50,996 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:36:50,999 INFO L933 BasicCegarLoop]: 8655 mSDtfsCounter, 6382 mSDsluCounter, 6798 mSDsCounter, 0 mSdLazyCounter, 1745 mSolverCounterSat, 12 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6389 SdHoareTripleChecker+Valid, 14713 SdHoareTripleChecker+Invalid, 1765 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1745 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 38.8s IncrementalHoareTripleChecker+Time [2021-11-23 03:36:51,000 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6389 Valid, 14713 Invalid, 1765 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 1745 Invalid, 8 Unknown, 0 Unchecked, 38.8s Time] [2021-11-23 03:36:51,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37640 states. [2021-11-23 03:36:53,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37640 to 37613. [2021-11-23 03:36:53,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37613 states, 23092 states have (on average 1.296812749003984) internal successors, (29946), 23738 states have internal predecessors, (29946), 12407 states have call successors, (12407), 2125 states have call predecessors, (12407), 2111 states have return successors, (12453), 12268 states have call predecessors, (12453), 12403 states have call successors, (12453) [2021-11-23 03:36:53,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37613 states to 37613 states and 54806 transitions. [2021-11-23 03:36:53,581 INFO L78 Accepts]: Start accepts. Automaton has 37613 states and 54806 transitions. Word has length 330 [2021-11-23 03:36:53,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:36:53,582 INFO L470 AbstractCegarLoop]: Abstraction has 37613 states and 54806 transitions. [2021-11-23 03:36:53,583 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) [2021-11-23 03:36:53,583 INFO L276 IsEmpty]: Start isEmpty. Operand 37613 states and 54806 transitions. [2021-11-23 03:36:53,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2021-11-23 03:36:53,594 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:36:53,595 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] [2021-11-23 03:36:53,595 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-23 03:36:53,596 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)] === [2021-11-23 03:36:53,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:36:53,596 INFO L85 PathProgramCache]: Analyzing trace with hash -723272073, now seen corresponding path program 1 times [2021-11-23 03:36:53,596 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:36:53,597 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817975373] [2021-11-23 03:36:53,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:36:53,597 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:36:53,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:36:54,061 INFO L134 CoverageAnalysis]: Checked inductivity of 2862 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2862 trivial. 0 not checked. [2021-11-23 03:36:54,061 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:36:54,061 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1817975373] [2021-11-23 03:36:54,061 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1817975373] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:36:54,061 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:36:54,061 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 03:36:54,061 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924192114] [2021-11-23 03:36:54,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:36:54,062 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:36:54,062 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:36:54,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:36:54,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:36:54,063 INFO L87 Difference]: Start difference. First operand 37613 states and 54806 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) [2021-11-23 03:36:58,532 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 [] [2021-11-23 03:37:02,384 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:37:04,278 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:37:08,992 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:37:15,635 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:37:18,537 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:37:20,846 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:37:23,159 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:37:26,164 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:37:28,349 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:37:29,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:37:29,372 INFO L93 Difference]: Finished difference Result 98264 states and 142907 transitions. [2021-11-23 03:37:29,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:37:29,373 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 [2021-11-23 03:37:29,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:37:29,918 INFO L225 Difference]: With dead ends: 98264 [2021-11-23 03:37:29,918 INFO L226 Difference]: Without dead ends: 60706 [2021-11-23 03:37:30,115 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:37:30,116 INFO L933 BasicCegarLoop]: 7783 mSDtfsCounter, 5582 mSDsluCounter, 6728 mSDsCounter, 0 mSdLazyCounter, 1611 mSolverCounterSat, 7 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5587 SdHoareTripleChecker+Valid, 13816 SdHoareTripleChecker+Invalid, 1626 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1611 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.4s IncrementalHoareTripleChecker+Time [2021-11-23 03:37:30,117 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5587 Valid, 13816 Invalid, 1626 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1611 Invalid, 8 Unknown, 0 Unchecked, 33.4s Time] [2021-11-23 03:37:30,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60706 states. [2021-11-23 03:37:32,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60706 to 60672. [2021-11-23 03:37:32,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60672 states, 37130 states have (on average 1.2895232965257204) internal successors, (47880), 38234 states have internal predecessors, (47880), 19947 states have call successors, (19947), 3625 states have call predecessors, (19947), 3592 states have return successors, (20277), 19680 states have call predecessors, (20277), 19943 states have call successors, (20277) [2021-11-23 03:37:33,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60672 states to 60672 states and 88104 transitions. [2021-11-23 03:37:33,678 INFO L78 Accepts]: Start accepts. Automaton has 60672 states and 88104 transitions. Word has length 328 [2021-11-23 03:37:33,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:37:33,680 INFO L470 AbstractCegarLoop]: Abstraction has 60672 states and 88104 transitions. [2021-11-23 03:37:33,681 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) [2021-11-23 03:37:33,681 INFO L276 IsEmpty]: Start isEmpty. Operand 60672 states and 88104 transitions. [2021-11-23 03:37:33,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2021-11-23 03:37:33,690 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:37:33,690 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] [2021-11-23 03:37:33,690 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-23 03:37:33,691 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-23 03:37:33,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:37:33,692 INFO L85 PathProgramCache]: Analyzing trace with hash 1100430494, now seen corresponding path program 1 times [2021-11-23 03:37:33,692 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:37:33,692 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375782939] [2021-11-23 03:37:33,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:37:33,692 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:37:34,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:37:34,731 INFO L134 CoverageAnalysis]: Checked inductivity of 3063 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3063 trivial. 0 not checked. [2021-11-23 03:37:34,731 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:37:34,731 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [375782939] [2021-11-23 03:37:34,731 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [375782939] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:37:34,732 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:37:34,732 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 03:37:34,732 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605611561] [2021-11-23 03:37:34,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:37:34,733 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-23 03:37:34,733 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:37:34,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 03:37:34,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-23 03:37:34,735 INFO L87 Difference]: Start difference. First operand 60672 states and 88104 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) [2021-11-23 03:37:42,371 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 [] [2021-11-23 03:37:49,100 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:37:51,134 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:37:54,097 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:37:59,364 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:38:09,880 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:38:16,637 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:38:18,083 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:38:20,118 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:38:22,840 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:38:24,158 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:38:27,997 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:38:30,312 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:38:34,992 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:38:38,710 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:38:41,132 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 [] [2021-11-23 03:38:42,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:38:42,684 INFO L93 Difference]: Finished difference Result 116170 states and 169123 transitions. [2021-11-23 03:38:42,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-23 03:38:42,685 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 [2021-11-23 03:38:42,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:38:43,553 INFO L225 Difference]: With dead ends: 116170 [2021-11-23 03:38:43,553 INFO L226 Difference]: Without dead ends: 116168 [2021-11-23 03:38:43,610 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-23 03:38:43,610 INFO L933 BasicCegarLoop]: 8123 mSDtfsCounter, 6425 mSDsluCounter, 24709 mSDsCounter, 0 mSdLazyCounter, 3339 mSolverCounterSat, 3 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 62.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6433 SdHoareTripleChecker+Valid, 30363 SdHoareTripleChecker+Invalid, 3354 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 3339 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 65.2s IncrementalHoareTripleChecker+Time [2021-11-23 03:38:43,611 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6433 Valid, 30363 Invalid, 3354 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 3339 Invalid, 12 Unknown, 0 Unchecked, 65.2s Time] [2021-11-23 03:38:43,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116168 states. [2021-11-23 03:38:48,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116168 to 115574. [2021-11-23 03:38:48,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115574 states, 70624 states have (on average 1.287989918441323) internal successors, (90963), 72676 states have internal predecessors, (90963), 38166 states have call successors, (38166), 6840 states have call predecessors, (38166), 6781 states have return successors, (39202), 37641 states have call predecessors, (39202), 38158 states have call successors, (39202) [2021-11-23 03:38:49,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115574 states to 115574 states and 168331 transitions. [2021-11-23 03:38:49,833 INFO L78 Accepts]: Start accepts. Automaton has 115574 states and 168331 transitions. Word has length 333 [2021-11-23 03:38:49,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:38:49,834 INFO L470 AbstractCegarLoop]: Abstraction has 115574 states and 168331 transitions. [2021-11-23 03:38:49,834 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) [2021-11-23 03:38:49,834 INFO L276 IsEmpty]: Start isEmpty. Operand 115574 states and 168331 transitions. [2021-11-23 03:38:49,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2021-11-23 03:38:49,843 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:38:49,844 INFO L514 BasicCegarLoop]: trace histogram [31, 27, 27, 27, 27, 27, 27, 5, 5, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:38:49,844 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-23 03:38:49,844 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-23 03:38:49,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:38:49,845 INFO L85 PathProgramCache]: Analyzing trace with hash -2101773165, now seen corresponding path program 1 times [2021-11-23 03:38:49,845 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:38:49,845 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754422904] [2021-11-23 03:38:49,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:38:49,846 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:38:50,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:38:50,663 INFO L134 CoverageAnalysis]: Checked inductivity of 3073 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3071 trivial. 0 not checked. [2021-11-23 03:38:50,663 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:38:50,663 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754422904] [2021-11-23 03:38:50,663 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [754422904] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:38:50,664 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:38:50,664 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 03:38:50,664 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239772309] [2021-11-23 03:38:50,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:38:50,665 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-23 03:38:50,665 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:38:50,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 03:38:50,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-23 03:38:50,666 INFO L87 Difference]: Start difference. First operand 115574 states and 168331 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) [2021-11-23 03:38:58,123 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 [] [2021-11-23 03:39:06,222 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:39:13,432 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:39:22,872 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:39:28,606 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:39:30,062 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:39:34,179 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:39:36,503 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:39:40,014 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:39:44,122 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:39:46,786 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:39:49,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:39:49,199 INFO L93 Difference]: Finished difference Result 230197 states and 335322 transitions. [2021-11-23 03:39:49,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-23 03:39:49,199 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 342 [2021-11-23 03:39:49,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:39:50,834 INFO L225 Difference]: With dead ends: 230197 [2021-11-23 03:39:50,834 INFO L226 Difference]: Without dead ends: 230195 [2021-11-23 03:39:50,958 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 [2021-11-23 03:39:50,959 INFO L933 BasicCegarLoop]: 7730 mSDtfsCounter, 6467 mSDsluCounter, 23750 mSDsCounter, 0 mSdLazyCounter, 3083 mSolverCounterSat, 2 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 50.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6476 SdHoareTripleChecker+Valid, 29182 SdHoareTripleChecker+Invalid, 3093 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 3083 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 52.5s IncrementalHoareTripleChecker+Time [2021-11-23 03:39:50,959 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6476 Valid, 29182 Invalid, 3093 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 3083 Invalid, 8 Unknown, 0 Unchecked, 52.5s Time] [2021-11-23 03:39:51,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230195 states. [2021-11-23 03:40:01,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230195 to 230183. [2021-11-23 03:40:01,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230183 states, 140640 states have (on average 1.2882110352673493) internal successors, (181174), 144731 states have internal predecessors, (181174), 76034 states have call successors, (76034), 13632 states have call predecessors, (76034), 13506 states have return successors, (78102), 74973 states have call predecessors, (78102), 76018 states have call successors, (78102) [2021-11-23 03:40:04,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230183 states to 230183 states and 335310 transitions. [2021-11-23 03:40:04,121 INFO L78 Accepts]: Start accepts. Automaton has 230183 states and 335310 transitions. Word has length 342 [2021-11-23 03:40:04,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:40:04,122 INFO L470 AbstractCegarLoop]: Abstraction has 230183 states and 335310 transitions. [2021-11-23 03:40:04,122 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) [2021-11-23 03:40:04,122 INFO L276 IsEmpty]: Start isEmpty. Operand 230183 states and 335310 transitions. [2021-11-23 03:40:04,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2021-11-23 03:40:04,131 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:40:04,131 INFO L514 BasicCegarLoop]: trace histogram [31, 27, 27, 27, 27, 27, 27, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:40:04,132 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-23 03:40:04,132 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-23 03:40:04,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:40:04,132 INFO L85 PathProgramCache]: Analyzing trace with hash 672672990, now seen corresponding path program 1 times [2021-11-23 03:40:04,133 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:40:04,133 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065699644] [2021-11-23 03:40:04,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:40:04,133 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:40:04,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:40:05,405 INFO L134 CoverageAnalysis]: Checked inductivity of 3071 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3067 trivial. 0 not checked. [2021-11-23 03:40:05,405 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:40:05,406 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065699644] [2021-11-23 03:40:05,406 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2065699644] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:40:05,406 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:40:05,406 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 03:40:05,406 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230184080] [2021-11-23 03:40:05,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:40:05,407 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-23 03:40:05,407 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:40:05,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 03:40:05,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-23 03:40:05,408 INFO L87 Difference]: Start difference. First operand 230183 states and 335310 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (40), 3 states have call predecessors, (40), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2021-11-23 03:40:12,879 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:40:15,165 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:40:21,330 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:40:23,615 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:40:25,343 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:40:30,460 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:40:39,050 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:40:42,582 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:40:45,796 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:40:51,451 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:40:53,472 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:40:56,284 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:40:59,259 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:41:01,583 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:41:04,976 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:41:09,482 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:41:12,281 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:41:14,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:41:14,673 INFO L93 Difference]: Finished difference Result 230205 states and 335328 transitions. [2021-11-23 03:41:14,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-23 03:41:14,674 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (40), 3 states have call predecessors, (40), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) Word has length 343 [2021-11-23 03:41:14,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:41:16,100 INFO L225 Difference]: With dead ends: 230205 [2021-11-23 03:41:16,100 INFO L226 Difference]: Without dead ends: 230201 [2021-11-23 03:41:16,232 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 [2021-11-23 03:41:16,233 INFO L933 BasicCegarLoop]: 7933 mSDtfsCounter, 6468 mSDsluCounter, 24198 mSDsCounter, 0 mSdLazyCounter, 3143 mSolverCounterSat, 2 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 60.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6476 SdHoareTripleChecker+Valid, 29791 SdHoareTripleChecker+Invalid, 3156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 3143 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 63.1s IncrementalHoareTripleChecker+Time [2021-11-23 03:41:16,233 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6476 Valid, 29791 Invalid, 3156 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 3143 Invalid, 11 Unknown, 0 Unchecked, 63.1s Time] [2021-11-23 03:41:16,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230201 states. [2021-11-23 03:41:27,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230201 to 230189. [2021-11-23 03:41:27,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230189 states, 140645 states have (on average 1.2881936791211916) internal successors, (181178), 144735 states have internal predecessors, (181178), 76034 states have call successors, (76034), 13634 states have call predecessors, (76034), 13507 states have return successors, (78102), 74973 states have call predecessors, (78102), 76018 states have call successors, (78102)