./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-cisco-enic-enic.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17eb34f2-ea42-488f-b554-f4087f1a687e/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17eb34f2-ea42-488f-b554-f4087f1a687e/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17eb34f2-ea42-488f-b554-f4087f1a687e/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17eb34f2-ea42-488f-b554-f4087f1a687e/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-cisco-enic-enic.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17eb34f2-ea42-488f-b554-f4087f1a687e/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17eb34f2-ea42-488f-b554-f4087f1a687e/bin/utaipan-I9t0OCRTmS --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 73f101526b33e5f10b251e7a447b1a9d4ad6e1a0a49c040c0e548967272c8fbb --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-19 08:15:55,652 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 08:15:55,654 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 08:15:55,677 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 08:15:55,677 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 08:15:55,678 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 08:15:55,679 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 08:15:55,681 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 08:15:55,683 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 08:15:55,684 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 08:15:55,685 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 08:15:55,686 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 08:15:55,686 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 08:15:55,687 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 08:15:55,689 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 08:15:55,690 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 08:15:55,691 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 08:15:55,692 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 08:15:55,694 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 08:15:55,696 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 08:15:55,698 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 08:15:55,699 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 08:15:55,701 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 08:15:55,702 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 08:15:55,706 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 08:15:55,707 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 08:15:55,707 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 08:15:55,708 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 08:15:55,709 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 08:15:55,710 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 08:15:55,710 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 08:15:55,711 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 08:15:55,712 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 08:15:55,713 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 08:15:55,714 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 08:15:55,714 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 08:15:55,715 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 08:15:55,716 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 08:15:55,716 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 08:15:55,717 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 08:15:55,718 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 08:15:55,719 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17eb34f2-ea42-488f-b554-f4087f1a687e/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-19 08:15:55,744 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 08:15:55,744 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 08:15:55,745 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 08:15:55,745 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 08:15:55,746 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 08:15:55,746 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 08:15:55,746 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 08:15:55,747 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 08:15:55,747 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 08:15:55,747 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 08:15:55,747 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 08:15:55,748 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 08:15:55,748 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 08:15:55,748 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 08:15:55,748 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 08:15:55,749 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 08:15:55,749 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 08:15:55,749 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 08:15:55,750 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 08:15:55,750 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 08:15:55,751 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 08:15:55,751 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 08:15:55,751 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 08:15:55,751 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 08:15:55,752 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 08:15:55,752 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 08:15:55,752 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 08:15:55,752 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 08:15:55,753 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 08:15:55,753 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:15:55,753 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 08:15:55,753 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 08:15:55,754 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 08:15:55,754 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 08:15:55,754 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 08:15:55,754 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 08:15:55,754 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 08:15:55,755 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 08:15:55,755 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17eb34f2-ea42-488f-b554-f4087f1a687e/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17eb34f2-ea42-488f-b554-f4087f1a687e/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 73f101526b33e5f10b251e7a447b1a9d4ad6e1a0a49c040c0e548967272c8fbb [2022-11-19 08:15:55,999 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 08:15:56,035 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 08:15:56,037 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 08:15:56,039 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 08:15:56,039 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 08:15:56,041 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17eb34f2-ea42-488f-b554-f4087f1a687e/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-cisco-enic-enic.cil.i [2022-11-19 08:15:56,116 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17eb34f2-ea42-488f-b554-f4087f1a687e/bin/utaipan-I9t0OCRTmS/data/f30c5f094/a251d4db7a9e449e992d6baf64a7acf9/FLAGeaa78bfe0 [2022-11-19 08:15:57,191 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 08:15:57,192 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17eb34f2-ea42-488f-b554-f4087f1a687e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-cisco-enic-enic.cil.i [2022-11-19 08:15:57,243 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17eb34f2-ea42-488f-b554-f4087f1a687e/bin/utaipan-I9t0OCRTmS/data/f30c5f094/a251d4db7a9e449e992d6baf64a7acf9/FLAGeaa78bfe0 [2022-11-19 08:15:57,511 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17eb34f2-ea42-488f-b554-f4087f1a687e/bin/utaipan-I9t0OCRTmS/data/f30c5f094/a251d4db7a9e449e992d6baf64a7acf9 [2022-11-19 08:15:57,513 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 08:15:57,515 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 08:15:57,517 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 08:15:57,517 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 08:15:57,520 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 08:15:57,521 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:15:57" (1/1) ... [2022-11-19 08:15:57,523 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39649359 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:15:57, skipping insertion in model container [2022-11-19 08:15:57,523 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:15:57" (1/1) ... [2022-11-19 08:15:57,530 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 08:15:57,746 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 08:16:04,045 WARN L234 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_17eb34f2-ea42-488f-b554-f4087f1a687e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-cisco-enic-enic.cil.i[564438,564451] [2022-11-19 08:16:04,052 WARN L234 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_17eb34f2-ea42-488f-b554-f4087f1a687e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-cisco-enic-enic.cil.i[564607,564620] [2022-11-19 08:16:04,052 WARN L234 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_17eb34f2-ea42-488f-b554-f4087f1a687e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-cisco-enic-enic.cil.i[564774,564787] [2022-11-19 08:16:04,053 WARN L234 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_17eb34f2-ea42-488f-b554-f4087f1a687e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-cisco-enic-enic.cil.i[564942,564955] [2022-11-19 08:16:04,133 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:16:04,224 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 08:16:05,057 WARN L234 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_17eb34f2-ea42-488f-b554-f4087f1a687e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-cisco-enic-enic.cil.i[564438,564451] [2022-11-19 08:16:05,058 WARN L234 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_17eb34f2-ea42-488f-b554-f4087f1a687e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-cisco-enic-enic.cil.i[564607,564620] [2022-11-19 08:16:05,058 WARN L234 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_17eb34f2-ea42-488f-b554-f4087f1a687e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-cisco-enic-enic.cil.i[564774,564787] [2022-11-19 08:16:05,059 WARN L234 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_17eb34f2-ea42-488f-b554-f4087f1a687e/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-cisco-enic-enic.cil.i[564942,564955] [2022-11-19 08:16:05,091 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:16:05,456 INFO L208 MainTranslator]: Completed translation [2022-11-19 08:16:05,457 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:16:05 WrapperNode [2022-11-19 08:16:05,457 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 08:16:05,458 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 08:16:05,458 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 08:16:05,459 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 08:16:05,466 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:16:05" (1/1) ... [2022-11-19 08:16:05,647 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:16:05" (1/1) ... [2022-11-19 08:16:07,154 INFO L138 Inliner]: procedures = 782, calls = 5205, calls flagged for inlining = 355, calls inlined = 337, statements flattened = 12711 [2022-11-19 08:16:07,155 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 08:16:07,156 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 08:16:07,157 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 08:16:07,158 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 08:16:07,174 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:16:05" (1/1) ... [2022-11-19 08:16:07,178 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:16:05" (1/1) ... [2022-11-19 08:16:07,924 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:16:05" (1/1) ... [2022-11-19 08:16:07,926 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:16:05" (1/1) ... [2022-11-19 08:16:08,576 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:16:05" (1/1) ... [2022-11-19 08:16:08,637 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:16:05" (1/1) ... [2022-11-19 08:16:08,723 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:16:05" (1/1) ... [2022-11-19 08:16:08,781 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:16:05" (1/1) ... [2022-11-19 08:16:08,970 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 08:16:08,972 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 08:16:08,972 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 08:16:08,972 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 08:16:08,973 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:16:05" (1/1) ... [2022-11-19 08:16:08,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:16:08,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17eb34f2-ea42-488f-b554-f4087f1a687e/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:16:09,006 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17eb34f2-ea42-488f-b554-f4087f1a687e/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 08:16:09,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17eb34f2-ea42-488f-b554-f4087f1a687e/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 08:16:09,059 INFO L130 BoogieDeclarations]: Found specification of procedure enic_set_rx_mode [2022-11-19 08:16:09,059 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_set_rx_mode [2022-11-19 08:16:09,060 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2022-11-19 08:16:09,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2022-11-19 08:16:09,060 INFO L130 BoogieDeclarations]: Found specification of procedure enic_queue_wq_skb_cont [2022-11-19 08:16:09,060 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_queue_wq_skb_cont [2022-11-19 08:16:09,060 INFO L130 BoogieDeclarations]: Found specification of procedure enic_free_intr [2022-11-19 08:16:09,060 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_free_intr [2022-11-19 08:16:09,061 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_get_res [2022-11-19 08:16:09,061 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_get_res [2022-11-19 08:16:09,061 INFO L130 BoogieDeclarations]: Found specification of procedure enic_notify_timer [2022-11-19 08:16:09,061 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_notify_timer [2022-11-19 08:16:09,061 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_free_desc_ring [2022-11-19 08:16:09,061 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_free_desc_ring [2022-11-19 08:16:09,061 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_open [2022-11-19 08:16:09,062 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_open [2022-11-19 08:16:09,062 INFO L130 BoogieDeclarations]: Found specification of procedure enic_reset_addr_lists [2022-11-19 08:16:09,062 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_reset_addr_lists [2022-11-19 08:16:09,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-19 08:16:09,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-19 08:16:09,063 INFO L130 BoogieDeclarations]: Found specification of procedure enic_log_q_error [2022-11-19 08:16:09,063 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_log_q_error [2022-11-19 08:16:09,063 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_wq_disable [2022-11-19 08:16:09,063 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_wq_disable [2022-11-19 08:16:09,064 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_cq_service [2022-11-19 08:16:09,064 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_cq_service [2022-11-19 08:16:09,064 INFO L130 BoogieDeclarations]: Found specification of procedure enic_synchronize_irqs [2022-11-19 08:16:09,064 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_synchronize_irqs [2022-11-19 08:16:09,064 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-19 08:16:09,064 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-19 08:16:09,065 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-19 08:16:09,065 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-19 08:16:09,065 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-11-19 08:16:09,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-11-19 08:16:09,065 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_intr_unmask [2022-11-19 08:16:09,066 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_intr_unmask [2022-11-19 08:16:09,066 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-19 08:16:09,066 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_rq_disable [2022-11-19 08:16:09,066 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_rq_disable [2022-11-19 08:16:09,066 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-19 08:16:09,067 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-19 08:16:09,067 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_set_ig_vlan_rewrite_mode [2022-11-19 08:16:09,068 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_set_ig_vlan_rewrite_mode [2022-11-19 08:16:09,068 INFO L130 BoogieDeclarations]: Found specification of procedure enic_probe [2022-11-19 08:16:09,069 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_probe [2022-11-19 08:16:09,069 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-11-19 08:16:09,069 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-11-19 08:16:09,069 INFO L130 BoogieDeclarations]: Found specification of procedure enic_pp_preassociate_rr [2022-11-19 08:16:09,069 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_pp_preassociate_rr [2022-11-19 08:16:09,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_105 [2022-11-19 08:16:09,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_105 [2022-11-19 08:16:09,070 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_cq_clean [2022-11-19 08:16:09,070 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_cq_clean [2022-11-19 08:16:09,071 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_enable2_done [2022-11-19 08:16:09,071 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_enable2_done [2022-11-19 08:16:09,071 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put_u16 [2022-11-19 08:16:09,071 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put_u16 [2022-11-19 08:16:09,071 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-19 08:16:09,071 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-19 08:16:09,072 INFO L130 BoogieDeclarations]: Found specification of procedure cq_desc_dec [2022-11-19 08:16:09,072 INFO L138 BoogieDeclarations]: Found implementation of procedure cq_desc_dec [2022-11-19 08:16:09,072 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_add [2022-11-19 08:16:09,072 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_add [2022-11-19 08:16:09,072 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_rq_desc_used [2022-11-19 08:16:09,072 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_rq_desc_used [2022-11-19 08:16:09,072 INFO L130 BoogieDeclarations]: Found specification of procedure __napi_schedule [2022-11-19 08:16:09,073 INFO L138 BoogieDeclarations]: Found implementation of procedure __napi_schedule [2022-11-19 08:16:09,073 INFO L130 BoogieDeclarations]: Found specification of procedure enic_iounmap [2022-11-19 08:16:09,074 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_iounmap [2022-11-19 08:16:09,074 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-19 08:16:09,074 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-19 08:16:09,074 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-19 08:16:09,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-19 08:16:09,074 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 08:16:09,075 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_init [2022-11-19 08:16:09,075 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_init [2022-11-19 08:16:09,075 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-11-19 08:16:09,076 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-11-19 08:16:09,076 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_cmd_proxy [2022-11-19 08:16:09,076 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_cmd_proxy [2022-11-19 08:16:09,076 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-19 08:16:09,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-19 08:16:09,077 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-11-19 08:16:09,077 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-11-19 08:16:09,078 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-19 08:16:09,078 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-19 08:16:09,079 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-19 08:16:09,079 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-19 08:16:09,079 INFO L130 BoogieDeclarations]: Found specification of procedure enic_set_rss_nic_cfg [2022-11-19 08:16:09,079 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_set_rss_nic_cfg [2022-11-19 08:16:09,079 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2022-11-19 08:16:09,079 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2022-11-19 08:16:09,080 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~$Pointer$~TO~int [2022-11-19 08:16:09,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~$Pointer$~TO~int [2022-11-19 08:16:09,080 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_wq_desc_avail [2022-11-19 08:16:09,080 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_wq_desc_avail [2022-11-19 08:16:09,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-19 08:16:09,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-19 08:16:09,081 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-19 08:16:09,081 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_instance_callback_4_2 [2022-11-19 08:16:09,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_instance_callback_4_2 [2022-11-19 08:16:09,081 INFO L130 BoogieDeclarations]: Found specification of procedure enic_set_coalesce [2022-11-19 08:16:09,081 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_set_coalesce [2022-11-19 08:16:09,082 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-11-19 08:16:09,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-11-19 08:16:09,085 INFO L130 BoogieDeclarations]: Found specification of procedure enic_cq_rq [2022-11-19 08:16:09,086 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_cq_rq [2022-11-19 08:16:09,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 08:16:09,086 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-19 08:16:09,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-19 08:16:09,087 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-19 08:16:09,088 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-19 08:16:09,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-19 08:16:09,088 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_add_addr [2022-11-19 08:16:09,095 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_add_addr [2022-11-19 08:16:09,096 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-19 08:16:09,096 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-11-19 08:16:09,096 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-11-19 08:16:09,096 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_rq_enable [2022-11-19 08:16:09,096 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_rq_enable [2022-11-19 08:16:09,097 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-19 08:16:09,097 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-19 08:16:09,097 INFO L130 BoogieDeclarations]: Found specification of procedure enic_msix_notify_intr [2022-11-19 08:16:09,097 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_msix_notify_intr [2022-11-19 08:16:09,097 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2022-11-19 08:16:09,097 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2022-11-19 08:16:09,097 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-19 08:16:09,098 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-19 08:16:09,098 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-19 08:16:09,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-19 08:16:09,098 INFO L130 BoogieDeclarations]: Found specification of procedure enic_is_sriov_vf [2022-11-19 08:16:09,098 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_is_sriov_vf [2022-11-19 08:16:09,098 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-11-19 08:16:09,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-11-19 08:16:09,099 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_sriov [2022-11-19 08:16:09,099 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_sriov [2022-11-19 08:16:09,099 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-19 08:16:09,099 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-19 08:16:09,099 INFO L130 BoogieDeclarations]: Found specification of procedure enic_legacy_notify_intr [2022-11-19 08:16:09,099 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_legacy_notify_intr [2022-11-19 08:16:09,099 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule_prep [2022-11-19 08:16:09,100 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule_prep [2022-11-19 08:16:09,100 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 08:16:09,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 08:16:09,100 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_rq_fill [2022-11-19 08:16:09,100 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_rq_fill [2022-11-19 08:16:09,100 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_intr_coal_timer_info_default [2022-11-19 08:16:09,100 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_intr_coal_timer_info_default [2022-11-19 08:16:09,101 INFO L130 BoogieDeclarations]: Found specification of procedure enic_set_mac_address_dynamic [2022-11-19 08:16:09,101 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_set_mac_address_dynamic [2022-11-19 08:16:09,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-19 08:16:09,101 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-19 08:16:09,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-19 08:16:09,101 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2022-11-19 08:16:09,101 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2022-11-19 08:16:09,101 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-19 08:16:09,102 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-19 08:16:09,102 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-19 08:16:09,102 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-19 08:16:09,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-19 08:16:09,103 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-11-19 08:16:09,103 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-11-19 08:16:09,103 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2022-11-19 08:16:09,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2022-11-19 08:16:09,103 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-11-19 08:16:09,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-11-19 08:16:09,103 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-19 08:16:09,104 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-19 08:16:09,104 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_cmd_proxy_by_index_start [2022-11-19 08:16:09,104 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_cmd_proxy_by_index_start [2022-11-19 08:16:09,104 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-11-19 08:16:09,104 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-11-19 08:16:09,104 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-11-19 08:16:09,104 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-11-19 08:16:09,105 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_notify_set [2022-11-19 08:16:09,105 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_notify_set [2022-11-19 08:16:09,105 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 08:16:09,105 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-19 08:16:09,105 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-19 08:16:09,105 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_get_intr_mode [2022-11-19 08:16:09,105 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_get_intr_mode [2022-11-19 08:16:09,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-19 08:16:09,106 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_NOT_ARG_SIGN [2022-11-19 08:16:09,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_NOT_ARG_SIGN [2022-11-19 08:16:09,106 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_del_addr [2022-11-19 08:16:09,106 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_del_addr [2022-11-19 08:16:09,106 INFO L130 BoogieDeclarations]: Found specification of procedure enic_get_settings [2022-11-19 08:16:09,106 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_get_settings [2022-11-19 08:16:09,107 INFO L130 BoogieDeclarations]: Found specification of procedure nla_data [2022-11-19 08:16:09,107 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_data [2022-11-19 08:16:09,107 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-19 08:16:09,107 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-19 08:16:09,107 INFO L130 BoogieDeclarations]: Found specification of procedure enic_free_vnic_resources [2022-11-19 08:16:09,107 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_free_vnic_resources [2022-11-19 08:16:09,107 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-19 08:16:09,108 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-19 08:16:09,108 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-19 08:16:09,108 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-19 08:16:09,108 INFO L130 BoogieDeclarations]: Found specification of procedure enic_init_vnic_resources [2022-11-19 08:16:09,108 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_init_vnic_resources [2022-11-19 08:16:09,108 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_rq_free [2022-11-19 08:16:09,108 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_rq_free [2022-11-19 08:16:09,109 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-19 08:16:09,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-19 08:16:09,109 INFO L130 BoogieDeclarations]: Found specification of procedure enic_get_dev [2022-11-19 08:16:09,109 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_get_dev [2022-11-19 08:16:09,109 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_get_intr_coal_timer_max [2022-11-19 08:16:09,109 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_get_intr_coal_timer_max [2022-11-19 08:16:09,109 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_init_prov2 [2022-11-19 08:16:09,110 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_init_prov2 [2022-11-19 08:16:09,110 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-19 08:16:09,110 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-19 08:16:09,110 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_irq [2022-11-19 08:16:09,110 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_irq [2022-11-19 08:16:09,110 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-19 08:16:09,110 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-19 08:16:09,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 08:16:09,111 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_mtu [2022-11-19 08:16:09,111 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_mtu [2022-11-19 08:16:09,111 INFO L130 BoogieDeclarations]: Found specification of procedure enic_is_dynamic [2022-11-19 08:16:09,111 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_is_dynamic [2022-11-19 08:16:09,111 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-19 08:16:09,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-19 08:16:09,111 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_del_station_addr [2022-11-19 08:16:09,112 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_del_station_addr [2022-11-19 08:16:09,112 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_83 [2022-11-19 08:16:09,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_83 [2022-11-19 08:16:09,112 INFO L130 BoogieDeclarations]: Found specification of procedure enic_set_mac_addr [2022-11-19 08:16:09,112 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_set_mac_addr [2022-11-19 08:16:09,112 INFO L130 BoogieDeclarations]: Found specification of procedure enic_remove [2022-11-19 08:16:09,112 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_remove [2022-11-19 08:16:09,114 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_capable [2022-11-19 08:16:09,117 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_capable [2022-11-19 08:16:09,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_104 [2022-11-19 08:16:09,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_104 [2022-11-19 08:16:09,118 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_priv [2022-11-19 08:16:09,118 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_priv [2022-11-19 08:16:09,118 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put [2022-11-19 08:16:09,118 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put [2022-11-19 08:16:09,118 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_equal [2022-11-19 08:16:09,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_equal [2022-11-19 08:16:09,119 INFO L130 BoogieDeclarations]: Found specification of procedure enic_poll_controller [2022-11-19 08:16:09,119 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_poll_controller [2022-11-19 08:16:09,119 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2022-11-19 08:16:09,119 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2022-11-19 08:16:09,120 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_add_addr [2022-11-19 08:16:09,120 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_add_addr [2022-11-19 08:16:09,120 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-19 08:16:09,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-19 08:16:09,120 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_wq_free [2022-11-19 08:16:09,120 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_wq_free [2022-11-19 08:16:09,120 INFO L130 BoogieDeclarations]: Found specification of procedure enic_msix_err_intr [2022-11-19 08:16:09,121 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_msix_err_intr [2022-11-19 08:16:09,121 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_get_mac_addr [2022-11-19 08:16:09,121 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_get_mac_addr [2022-11-19 08:16:09,121 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_clear_desc_ring [2022-11-19 08:16:09,121 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_clear_desc_ring [2022-11-19 08:16:09,121 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-19 08:16:09,121 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-19 08:16:09,121 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-19 08:16:09,122 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-19 08:16:09,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_80 [2022-11-19 08:16:09,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_80 [2022-11-19 08:16:09,122 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_add_station_addr [2022-11-19 08:16:09,122 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_add_station_addr [2022-11-19 08:16:09,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-19 08:16:09,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-19 08:16:09,123 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-19 08:16:09,123 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-19 08:16:09,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_timer_instance_4 [2022-11-19 08:16:09,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_timer_instance_4 [2022-11-19 08:16:09,123 INFO L130 BoogieDeclarations]: Found specification of procedure enic_msix_rq_intr [2022-11-19 08:16:09,123 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_msix_rq_intr [2022-11-19 08:16:09,123 INFO L130 BoogieDeclarations]: Found specification of procedure enic_isr_legacy [2022-11-19 08:16:09,123 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_isr_legacy [2022-11-19 08:16:09,124 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_cq_alloc [2022-11-19 08:16:09,124 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_cq_alloc [2022-11-19 08:16:09,124 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-19 08:16:09,124 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-19 08:16:09,124 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_notify_ready [2022-11-19 08:16:09,124 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_notify_ready [2022-11-19 08:16:09,124 INFO L130 BoogieDeclarations]: Found specification of procedure _vnic_dev_cmd [2022-11-19 08:16:09,125 INFO L138 BoogieDeclarations]: Found implementation of procedure _vnic_dev_cmd [2022-11-19 08:16:09,125 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-19 08:16:09,125 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-19 08:16:09,125 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_cmd_status [2022-11-19 08:16:09,125 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_cmd_status [2022-11-19 08:16:09,125 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_status_to_errno [2022-11-19 08:16:09,125 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_status_to_errno [2022-11-19 08:16:09,125 INFO L130 BoogieDeclarations]: Found specification of procedure vic_provinfo_size [2022-11-19 08:16:09,126 INFO L138 BoogieDeclarations]: Found implementation of procedure vic_provinfo_size [2022-11-19 08:16:09,126 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-19 08:16:09,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-19 08:16:09,126 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-11-19 08:16:09,126 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-11-19 08:16:09,126 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-19 08:16:09,126 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-19 08:16:09,126 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-19 08:16:09,127 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-19 08:16:09,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-19 08:16:09,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-19 08:16:09,127 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 08:16:09,127 INFO L130 BoogieDeclarations]: Found specification of procedure enic_change_mtu [2022-11-19 08:16:09,127 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_change_mtu [2022-11-19 08:16:09,127 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_deinit [2022-11-19 08:16:09,128 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_deinit [2022-11-19 08:16:09,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2022-11-19 08:16:09,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2022-11-19 08:16:09,128 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-11-19 08:16:09,128 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-11-19 08:16:09,128 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_cmd [2022-11-19 08:16:09,128 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_cmd [2022-11-19 08:16:09,128 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-19 08:16:09,129 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-19 08:16:09,129 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_intr_return_all_credits [2022-11-19 08:16:09,129 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_intr_return_all_credits [2022-11-19 08:16:09,129 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2022-11-19 08:16:09,129 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2022-11-19 08:16:09,129 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-19 08:16:09,129 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-19 08:16:09,129 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-19 08:16:09,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-19 08:16:09,130 INFO L130 BoogieDeclarations]: Found specification of procedure enic_notify_timer_start [2022-11-19 08:16:09,130 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_notify_timer_start [2022-11-19 08:16:09,130 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-19 08:16:09,130 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-19 08:16:09,130 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-19 08:16:09,130 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-19 08:16:09,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-19 08:16:09,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-19 08:16:09,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-19 08:16:09,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-19 08:16:09,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_86 [2022-11-19 08:16:09,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_86 [2022-11-19 08:16:09,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_1 [2022-11-19 08:16:09,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_1 [2022-11-19 08:16:09,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_NOT_ARG_SIGN [2022-11-19 08:16:09,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_NOT_ARG_SIGN [2022-11-19 08:16:09,132 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_del_addr [2022-11-19 08:16:09,132 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_del_addr [2022-11-19 08:16:09,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_register_9_2 [2022-11-19 08:16:09,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_register_9_2 [2022-11-19 08:16:09,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_0 [2022-11-19 08:16:09,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_0 [2022-11-19 08:16:09,133 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-19 08:16:09,133 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-19 08:16:09,133 INFO L130 BoogieDeclarations]: Found specification of procedure enic_msix_wq_intr [2022-11-19 08:16:09,133 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_msix_wq_intr [2022-11-19 08:16:09,133 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-19 08:16:09,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-19 08:16:09,133 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_dma_map [2022-11-19 08:16:09,133 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_dma_map [2022-11-19 08:16:09,134 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-19 08:16:09,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-19 08:16:09,134 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_wait [2022-11-19 08:16:09,134 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_wait [2022-11-19 08:16:09,134 INFO L130 BoogieDeclarations]: Found specification of procedure enic_get_drvinfo [2022-11-19 08:16:09,134 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_get_drvinfo [2022-11-19 08:16:09,134 INFO L130 BoogieDeclarations]: Found specification of procedure enic_stop [2022-11-19 08:16:09,135 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_stop [2022-11-19 08:16:09,135 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2022-11-19 08:16:09,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2022-11-19 08:16:09,135 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-19 08:16:09,135 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-19 08:16:09,135 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-11-19 08:16:09,135 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-11-19 08:16:09,135 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_alloc_desc_ring [2022-11-19 08:16:09,136 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_alloc_desc_ring [2022-11-19 08:16:09,136 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2022-11-19 08:16:09,136 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2022-11-19 08:16:09,136 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_rq_clean [2022-11-19 08:16:09,136 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_rq_clean [2022-11-19 08:16:09,136 INFO L130 BoogieDeclarations]: Found specification of procedure enic_free_wq_buf [2022-11-19 08:16:09,136 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_free_wq_buf [2022-11-19 08:16:09,137 INFO L130 BoogieDeclarations]: Found specification of procedure writeq [2022-11-19 08:16:09,137 INFO L138 BoogieDeclarations]: Found implementation of procedure writeq [2022-11-19 08:16:09,137 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-11-19 08:16:09,137 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-11-19 08:16:09,137 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-11-19 08:16:09,137 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-11-19 08:16:09,137 INFO L130 BoogieDeclarations]: Found specification of procedure enic_cq_wq [2022-11-19 08:16:09,137 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_cq_wq [2022-11-19 08:16:09,138 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-19 08:16:09,138 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-19 08:16:09,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-19 08:16:09,138 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_notify_unset [2022-11-19 08:16:09,138 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_notify_unset [2022-11-19 08:16:09,138 INFO L130 BoogieDeclarations]: Found specification of procedure enic_tx_timeout [2022-11-19 08:16:09,138 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_tx_timeout [2022-11-19 08:16:09,139 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-19 08:16:09,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-19 08:16:09,139 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_intr_mask [2022-11-19 08:16:09,139 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_intr_mask [2022-11-19 08:16:09,139 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-11-19 08:16:09,139 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-11-19 08:16:09,139 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2022-11-19 08:16:09,139 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2022-11-19 08:16:09,140 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-11-19 08:16:09,140 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-11-19 08:16:09,140 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_cmd_proxy_end [2022-11-19 08:16:09,140 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_cmd_proxy_end [2022-11-19 08:16:09,140 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_enable2 [2022-11-19 08:16:09,140 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_enable2 [2022-11-19 08:16:09,140 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2022-11-19 08:16:09,141 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2022-11-19 08:16:09,141 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_get_res_count [2022-11-19 08:16:09,141 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_get_res_count [2022-11-19 08:16:09,141 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-19 08:16:09,141 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-19 08:16:09,141 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_spec [2022-11-19 08:16:09,141 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_spec [2022-11-19 08:16:09,141 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-19 08:16:09,142 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-19 08:16:09,142 INFO L130 BoogieDeclarations]: Found specification of procedure enic_get_coalesce [2022-11-19 08:16:09,142 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_get_coalesce [2022-11-19 08:16:09,142 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_deinit_done [2022-11-19 08:16:09,142 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_deinit_done [2022-11-19 08:16:09,142 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2022-11-19 08:16:09,142 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2022-11-19 08:16:09,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-19 08:16:09,143 INFO L130 BoogieDeclarations]: Found specification of procedure enic_legacy_io_intr [2022-11-19 08:16:09,143 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_legacy_io_intr [2022-11-19 08:16:09,143 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-19 08:16:09,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-19 08:16:09,143 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-11-19 08:16:09,143 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-11-19 08:16:09,143 INFO L130 BoogieDeclarations]: Found specification of procedure enic_sriov_enabled [2022-11-19 08:16:09,144 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_sriov_enabled [2022-11-19 08:16:09,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2022-11-19 08:16:09,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2022-11-19 08:16:09,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-19 08:16:09,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-19 08:16:09,144 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_msix [2022-11-19 08:16:09,144 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_msix [2022-11-19 08:16:09,145 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-11-19 08:16:09,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-11-19 08:16:09,145 INFO L130 BoogieDeclarations]: Found specification of procedure enic_notify_check [2022-11-19 08:16:09,145 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_notify_check [2022-11-19 08:16:09,145 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_intr_coalescing_timer_set [2022-11-19 08:16:09,145 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_intr_coalescing_timer_set [2022-11-19 08:16:09,145 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_deinit [2022-11-19 08:16:09,145 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_deinit [2022-11-19 08:16:09,146 INFO L130 BoogieDeclarations]: Found specification of procedure enic_queue_wq_desc_ex [2022-11-19 08:16:09,146 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_queue_wq_desc_ex [2022-11-19 08:16:09,146 INFO L130 BoogieDeclarations]: Found specification of procedure enic_open [2022-11-19 08:16:09,146 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_open [2022-11-19 08:16:09,146 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_82 [2022-11-19 08:16:09,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_82 [2022-11-19 08:16:09,146 INFO L130 BoogieDeclarations]: Found specification of procedure enic_queue_wq_desc_cont [2022-11-19 08:16:09,147 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_queue_wq_desc_cont [2022-11-19 08:16:09,147 INFO L130 BoogieDeclarations]: Found specification of procedure enic_isr_msi [2022-11-19 08:16:09,147 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_isr_msi [2022-11-19 08:16:09,147 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_unregister [2022-11-19 08:16:09,147 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_unregister [2022-11-19 08:16:09,147 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-19 08:16:09,147 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-19 08:16:09,147 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_set_mac_addr [2022-11-19 08:16:09,148 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_set_mac_addr [2022-11-19 08:16:09,148 INFO L130 BoogieDeclarations]: Found specification of procedure vic_provinfo_add_tlv [2022-11-19 08:16:09,148 INFO L138 BoogieDeclarations]: Found implementation of procedure vic_provinfo_add_tlv [2022-11-19 08:16:09,148 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-11-19 08:16:09,148 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-11-19 08:16:09,148 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-19 08:16:09,148 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-19 08:16:09,149 INFO L130 BoogieDeclarations]: Found specification of procedure enic_is_valid_vf [2022-11-19 08:16:09,149 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_is_valid_vf [2022-11-19 08:16:09,149 INFO L130 BoogieDeclarations]: Found specification of procedure napi_complete [2022-11-19 08:16:09,149 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_complete [2022-11-19 08:16:09,149 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2022-11-19 08:16:09,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2022-11-19 08:16:09,149 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_intr_clean [2022-11-19 08:16:09,149 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_intr_clean [2022-11-19 08:16:09,150 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-19 08:16:09,150 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-19 08:16:09,150 INFO L130 BoogieDeclarations]: Found specification of procedure enic_pp_associate [2022-11-19 08:16:09,150 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_pp_associate [2022-11-19 08:16:09,150 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-19 08:16:09,150 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-19 08:16:09,150 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_set_intr_mode [2022-11-19 08:16:09,151 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_set_intr_mode [2022-11-19 08:16:09,151 INFO L130 BoogieDeclarations]: Found specification of procedure enic_clear_intr_mode [2022-11-19 08:16:09,151 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_clear_intr_mode [2022-11-19 08:16:09,151 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_intr_return_credits [2022-11-19 08:16:09,151 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_intr_return_credits [2022-11-19 08:16:09,151 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-11-19 08:16:09,151 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-11-19 08:16:09,151 INFO L130 BoogieDeclarations]: Found specification of procedure vnic_dev_close [2022-11-19 08:16:09,152 INFO L138 BoogieDeclarations]: Found implementation of procedure vnic_dev_close [2022-11-19 08:16:09,152 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-19 08:16:09,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-19 08:16:09,152 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-11-19 08:16:09,152 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-11-19 08:16:09,152 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-19 08:16:09,152 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-19 08:16:09,153 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-19 08:16:09,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-19 08:16:09,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 08:16:09,153 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-11-19 08:16:09,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-11-19 08:16:09,153 INFO L130 BoogieDeclarations]: Found specification of procedure readq [2022-11-19 08:16:09,153 INFO L138 BoogieDeclarations]: Found implementation of procedure readq [2022-11-19 08:16:09,153 INFO L130 BoogieDeclarations]: Found specification of procedure enic_dev_stats_dump [2022-11-19 08:16:09,154 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_dev_stats_dump [2022-11-19 08:16:09,154 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-19 08:16:09,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-19 08:16:09,154 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_trap [2022-11-19 08:16:09,154 INFO L138 BoogieDeclarations]: Found implementation of procedure netpoll_trap [2022-11-19 08:16:09,154 INFO L130 BoogieDeclarations]: Found specification of procedure enic_is_valid_pp_vf [2022-11-19 08:16:09,154 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_is_valid_pp_vf [2022-11-19 08:16:09,155 INFO L130 BoogieDeclarations]: Found specification of procedure enic_get_sset_count [2022-11-19 08:16:09,155 INFO L138 BoogieDeclarations]: Found implementation of procedure enic_get_sset_count [2022-11-19 08:16:11,032 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 08:16:11,042 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 08:16:11,749 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-19 08:26:08,250 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 08:26:22,762 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 08:26:22,763 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-11-19 08:26:22,775 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:26:22 BoogieIcfgContainer [2022-11-19 08:26:22,775 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 08:26:22,778 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 08:26:22,778 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 08:26:22,783 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 08:26:22,783 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:15:57" (1/3) ... [2022-11-19 08:26:22,784 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@372d9bf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:26:22, skipping insertion in model container [2022-11-19 08:26:22,784 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:16:05" (2/3) ... [2022-11-19 08:26:22,785 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@372d9bf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:26:22, skipping insertion in model container [2022-11-19 08:26:22,785 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:26:22" (3/3) ... [2022-11-19 08:26:22,791 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-cisco-enic-enic.cil.i [2022-11-19 08:26:22,812 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 08:26:22,812 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-11-19 08:26:22,947 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 08:26:22,959 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@74eb93c9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 08:26:22,959 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-11-19 08:26:22,972 INFO L276 IsEmpty]: Start isEmpty. Operand has 3274 states, 1967 states have (on average 1.2821555668530757) internal successors, (2522), 2027 states have internal predecessors, (2522), 1058 states have call successors, (1058), 246 states have call predecessors, (1058), 245 states have return successors, (1054), 1039 states have call predecessors, (1054), 1054 states have call successors, (1054) [2022-11-19 08:26:22,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-19 08:26:22,981 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:26:22,982 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:26:22,983 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-19 08:26:22,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:26:22,988 INFO L85 PathProgramCache]: Analyzing trace with hash 106263829, now seen corresponding path program 1 times [2022-11-19 08:26:22,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:26:22,998 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700489119] [2022-11-19 08:26:22,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:26:22,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:26:24,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:26:26,882 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-19 08:26:26,882 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:26:26,883 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700489119] [2022-11-19 08:26:26,883 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1700489119] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:26:26,884 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:26:26,884 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 08:26:26,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857747594] [2022-11-19 08:26:26,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:26:26,898 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 08:26:26,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:26:26,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 08:26:26,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:26:26,963 INFO L87 Difference]: Start difference. First operand has 3274 states, 1967 states have (on average 1.2821555668530757) internal successors, (2522), 2027 states have internal predecessors, (2522), 1058 states have call successors, (1058), 246 states have call predecessors, (1058), 245 states have return successors, (1054), 1039 states have call predecessors, (1054), 1054 states have call successors, (1054) Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-19 08:26:29,206 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:26:35,697 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:26:38,815 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:26:39,974 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:26:48,716 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:26:53,938 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:26:57,702 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:27:00,366 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:27:01,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:27:01,031 INFO L93 Difference]: Finished difference Result 9575 states and 13902 transitions. [2022-11-19 08:27:01,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-19 08:27:01,034 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 35 [2022-11-19 08:27:01,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:27:01,109 INFO L225 Difference]: With dead ends: 9575 [2022-11-19 08:27:01,109 INFO L226 Difference]: Without dead ends: 6304 [2022-11-19 08:27:01,155 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-19 08:27:01,165 INFO L413 NwaCegarLoop]: 5784 mSDtfsCounter, 4327 mSDsluCounter, 15655 mSDsCounter, 0 mSdLazyCounter, 2331 mSolverCounterSat, 3 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4344 SdHoareTripleChecker+Valid, 21439 SdHoareTripleChecker+Invalid, 2339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 2331 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.0s IncrementalHoareTripleChecker+Time [2022-11-19 08:27:01,166 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4344 Valid, 21439 Invalid, 2339 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3 Valid, 2331 Invalid, 5 Unknown, 0 Unchecked, 33.0s Time] [2022-11-19 08:27:01,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6304 states. [2022-11-19 08:27:01,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6304 to 6293. [2022-11-19 08:27:01,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6293 states, 3793 states have (on average 1.2823622462430793) internal successors, (4864), 3906 states have internal predecessors, (4864), 2023 states have call successors, (2023), 477 states have call predecessors, (2023), 474 states have return successors, (2043), 1983 states have call predecessors, (2043), 2017 states have call successors, (2043) [2022-11-19 08:27:01,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6293 states to 6293 states and 8930 transitions. [2022-11-19 08:27:01,685 INFO L78 Accepts]: Start accepts. Automaton has 6293 states and 8930 transitions. Word has length 35 [2022-11-19 08:27:01,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:27:01,686 INFO L495 AbstractCegarLoop]: Abstraction has 6293 states and 8930 transitions. [2022-11-19 08:27:01,686 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-19 08:27:01,687 INFO L276 IsEmpty]: Start isEmpty. Operand 6293 states and 8930 transitions. [2022-11-19 08:27:01,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-19 08:27:01,691 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:27:01,691 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:27:01,692 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 08:27:01,692 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-19 08:27:01,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:27:01,693 INFO L85 PathProgramCache]: Analyzing trace with hash -2146198770, now seen corresponding path program 1 times [2022-11-19 08:27:01,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:27:01,694 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060128332] [2022-11-19 08:27:01,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:27:01,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:27:02,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:27:05,062 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-19 08:27:05,062 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:27:05,063 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060128332] [2022-11-19 08:27:05,063 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2060128332] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:27:05,063 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:27:05,063 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 08:27:05,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201116111] [2022-11-19 08:27:05,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:27:05,065 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 08:27:05,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:27:05,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 08:27:05,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:27:05,066 INFO L87 Difference]: Start difference. First operand 6293 states and 8930 transitions. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-19 08:27:07,266 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:27:13,962 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:27:17,094 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:27:22,641 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:27:24,648 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:27:28,839 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:27:31,374 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:27:31,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:27:31,729 INFO L93 Difference]: Finished difference Result 6541 states and 9226 transitions. [2022-11-19 08:27:31,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-19 08:27:31,730 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 40 [2022-11-19 08:27:31,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:27:31,785 INFO L225 Difference]: With dead ends: 6541 [2022-11-19 08:27:31,786 INFO L226 Difference]: Without dead ends: 6539 [2022-11-19 08:27:31,791 INFO L412 NwaCegarLoop]: 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 [2022-11-19 08:27:31,792 INFO L413 NwaCegarLoop]: 4161 mSDtfsCounter, 4550 mSDsluCounter, 8480 mSDsCounter, 0 mSdLazyCounter, 1581 mSolverCounterSat, 2 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4573 SdHoareTripleChecker+Valid, 12641 SdHoareTripleChecker+Invalid, 1588 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1581 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.1s IncrementalHoareTripleChecker+Time [2022-11-19 08:27:31,793 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4573 Valid, 12641 Invalid, 1588 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 1581 Invalid, 5 Unknown, 0 Unchecked, 26.1s Time] [2022-11-19 08:27:31,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6539 states. [2022-11-19 08:27:32,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6539 to 6532. [2022-11-19 08:27:32,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6532 states, 3932 states have (on average 1.279501525940997) internal successors, (5031), 4051 states have internal predecessors, (5031), 2078 states have call successors, (2078), 522 states have call predecessors, (2078), 519 states have return successors, (2102), 2034 states have call predecessors, (2102), 2072 states have call successors, (2102) [2022-11-19 08:27:32,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6532 states to 6532 states and 9211 transitions. [2022-11-19 08:27:32,231 INFO L78 Accepts]: Start accepts. Automaton has 6532 states and 9211 transitions. Word has length 40 [2022-11-19 08:27:32,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:27:32,232 INFO L495 AbstractCegarLoop]: Abstraction has 6532 states and 9211 transitions. [2022-11-19 08:27:32,233 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-19 08:27:32,234 INFO L276 IsEmpty]: Start isEmpty. Operand 6532 states and 9211 transitions. [2022-11-19 08:27:32,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-19 08:27:32,244 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:27:32,244 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:27:32,245 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 08:27:32,245 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-19 08:27:32,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:27:32,246 INFO L85 PathProgramCache]: Analyzing trace with hash 963141749, now seen corresponding path program 1 times [2022-11-19 08:27:32,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:27:32,246 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455209817] [2022-11-19 08:27:32,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:27:32,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:27:32,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:27:35,161 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-19 08:27:35,161 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:27:35,161 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [455209817] [2022-11-19 08:27:35,161 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [455209817] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:27:35,162 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:27:35,162 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 08:27:35,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063375778] [2022-11-19 08:27:35,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:27:35,162 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 08:27:35,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:27:35,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 08:27:35,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:27:35,164 INFO L87 Difference]: Start difference. First operand 6532 states and 9211 transitions. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-19 08:27:37,350 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:27:43,110 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:27:46,337 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:27:48,346 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:27:53,830 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:28:00,274 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:28:04,014 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:28:04,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:28:04,684 INFO L93 Difference]: Finished difference Result 9522 states and 13142 transitions. [2022-11-19 08:28:04,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-19 08:28:04,684 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 45 [2022-11-19 08:28:04,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:28:04,745 INFO L225 Difference]: With dead ends: 9522 [2022-11-19 08:28:04,746 INFO L226 Difference]: Without dead ends: 9520 [2022-11-19 08:28:04,753 INFO L412 NwaCegarLoop]: 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 [2022-11-19 08:28:04,755 INFO L413 NwaCegarLoop]: 4540 mSDtfsCounter, 3344 mSDsluCounter, 11890 mSDsCounter, 0 mSdLazyCounter, 1909 mSolverCounterSat, 1 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3364 SdHoareTripleChecker+Valid, 16430 SdHoareTripleChecker+Invalid, 1916 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1909 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.8s IncrementalHoareTripleChecker+Time [2022-11-19 08:28:04,755 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3364 Valid, 16430 Invalid, 1916 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1909 Invalid, 6 Unknown, 0 Unchecked, 28.8s Time] [2022-11-19 08:28:04,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9520 states. [2022-11-19 08:28:05,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9520 to 9509. [2022-11-19 08:28:05,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9509 states, 5709 states have (on average 1.2672972499562094) internal successors, (7235), 5875 states have internal predecessors, (7235), 2927 states have call successors, (2927), 874 states have call predecessors, (2927), 870 states have return successors, (2962), 2869 states have call predecessors, (2962), 2921 states have call successors, (2962) [2022-11-19 08:28:05,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9509 states to 9509 states and 13124 transitions. [2022-11-19 08:28:05,348 INFO L78 Accepts]: Start accepts. Automaton has 9509 states and 13124 transitions. Word has length 45 [2022-11-19 08:28:05,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:28:05,349 INFO L495 AbstractCegarLoop]: Abstraction has 9509 states and 13124 transitions. [2022-11-19 08:28:05,349 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-19 08:28:05,350 INFO L276 IsEmpty]: Start isEmpty. Operand 9509 states and 13124 transitions. [2022-11-19 08:28:05,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-11-19 08:28:05,352 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:28:05,352 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:28:05,353 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-19 08:28:05,353 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-19 08:28:05,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:28:05,354 INFO L85 PathProgramCache]: Analyzing trace with hash 254212910, now seen corresponding path program 1 times [2022-11-19 08:28:05,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:28:05,355 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225547970] [2022-11-19 08:28:05,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:28:05,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:28:05,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:28:08,144 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2022-11-19 08:28:08,145 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:28:08,145 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [225547970] [2022-11-19 08:28:08,145 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [225547970] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:28:08,145 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:28:08,145 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 08:28:08,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211254777] [2022-11-19 08:28:08,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:28:08,146 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 08:28:08,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:28:08,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 08:28:08,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:28:08,147 INFO L87 Difference]: Start difference. First operand 9509 states and 13124 transitions. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-19 08:28:10,335 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:28:16,163 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:28:19,683 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:28:25,533 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:28:29,960 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:28:31,020 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:28:33,589 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:28:33,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:28:33,929 INFO L93 Difference]: Finished difference Result 9542 states and 13150 transitions. [2022-11-19 08:28:33,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-19 08:28:33,930 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 50 [2022-11-19 08:28:33,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:28:33,982 INFO L225 Difference]: With dead ends: 9542 [2022-11-19 08:28:33,982 INFO L226 Difference]: Without dead ends: 9540 [2022-11-19 08:28:33,987 INFO L412 NwaCegarLoop]: 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 [2022-11-19 08:28:33,989 INFO L413 NwaCegarLoop]: 4145 mSDtfsCounter, 4562 mSDsluCounter, 8423 mSDsCounter, 0 mSdLazyCounter, 1578 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4583 SdHoareTripleChecker+Valid, 12568 SdHoareTripleChecker+Invalid, 1583 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1578 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.2s IncrementalHoareTripleChecker+Time [2022-11-19 08:28:33,989 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4583 Valid, 12568 Invalid, 1583 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1578 Invalid, 4 Unknown, 0 Unchecked, 25.2s Time] [2022-11-19 08:28:34,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9540 states. [2022-11-19 08:28:34,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9540 to 9535. [2022-11-19 08:28:34,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9535 states, 5726 states have (on average 1.2666783094655956) internal successors, (7253), 5893 states have internal predecessors, (7253), 2927 states have call successors, (2927), 882 states have call predecessors, (2927), 879 states have return successors, (2964), 2869 states have call predecessors, (2964), 2921 states have call successors, (2964) [2022-11-19 08:28:34,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9535 states to 9535 states and 13144 transitions. [2022-11-19 08:28:34,579 INFO L78 Accepts]: Start accepts. Automaton has 9535 states and 13144 transitions. Word has length 50 [2022-11-19 08:28:34,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:28:34,580 INFO L495 AbstractCegarLoop]: Abstraction has 9535 states and 13144 transitions. [2022-11-19 08:28:34,580 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-19 08:28:34,580 INFO L276 IsEmpty]: Start isEmpty. Operand 9535 states and 13144 transitions. [2022-11-19 08:28:34,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-11-19 08:28:34,582 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:28:34,582 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:28:34,583 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-19 08:28:34,583 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-19 08:28:34,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:28:34,584 INFO L85 PathProgramCache]: Analyzing trace with hash 1858485643, now seen corresponding path program 1 times [2022-11-19 08:28:34,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:28:34,584 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418291188] [2022-11-19 08:28:34,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:28:34,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:28:35,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:28:36,950 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2022-11-19 08:28:36,950 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:28:36,950 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418291188] [2022-11-19 08:28:36,951 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1418291188] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:28:36,951 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:28:36,951 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 08:28:36,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809979708] [2022-11-19 08:28:36,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:28:36,951 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 08:28:36,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:28:36,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 08:28:36,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:28:36,952 INFO L87 Difference]: Start difference. First operand 9535 states and 13144 transitions. Second operand has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-19 08:28:39,132 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:28:44,941 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:28:47,863 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:28:48,879 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:28:50,421 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:28:55,164 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:29:02,912 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:29:04,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:29:04,951 INFO L93 Difference]: Finished difference Result 15753 states and 21795 transitions. [2022-11-19 08:29:04,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-19 08:29:04,951 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 56 [2022-11-19 08:29:04,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:29:05,037 INFO L225 Difference]: With dead ends: 15753 [2022-11-19 08:29:05,037 INFO L226 Difference]: Without dead ends: 15751 [2022-11-19 08:29:05,047 INFO L412 NwaCegarLoop]: 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 [2022-11-19 08:29:05,048 INFO L413 NwaCegarLoop]: 5403 mSDtfsCounter, 4064 mSDsluCounter, 14144 mSDsCounter, 0 mSdLazyCounter, 2237 mSolverCounterSat, 3 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4084 SdHoareTripleChecker+Valid, 19547 SdHoareTripleChecker+Invalid, 2244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 2237 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.1s IncrementalHoareTripleChecker+Time [2022-11-19 08:29:05,048 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4084 Valid, 19547 Invalid, 2244 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 2237 Invalid, 4 Unknown, 0 Unchecked, 27.1s Time] [2022-11-19 08:29:05,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15751 states. [2022-11-19 08:29:05,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15751 to 15739. [2022-11-19 08:29:05,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15739 states, 9444 states have (on average 1.2740364252435408) internal successors, (12032), 9808 states have internal predecessors, (12032), 4784 states have call successors, (4784), 1541 states have call predecessors, (4784), 1508 states have return successors, (4967), 4581 states have call predecessors, (4967), 4772 states have call successors, (4967) [2022-11-19 08:29:06,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15739 states to 15739 states and 21783 transitions. [2022-11-19 08:29:06,078 INFO L78 Accepts]: Start accepts. Automaton has 15739 states and 21783 transitions. Word has length 56 [2022-11-19 08:29:06,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:29:06,078 INFO L495 AbstractCegarLoop]: Abstraction has 15739 states and 21783 transitions. [2022-11-19 08:29:06,079 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-19 08:29:06,079 INFO L276 IsEmpty]: Start isEmpty. Operand 15739 states and 21783 transitions. [2022-11-19 08:29:06,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-11-19 08:29:06,081 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:29:06,082 INFO L195 NwaCegarLoop]: trace histogram [6, 5, 5, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:29:06,082 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-19 08:29:06,082 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-19 08:29:06,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:29:06,083 INFO L85 PathProgramCache]: Analyzing trace with hash -256898216, now seen corresponding path program 1 times [2022-11-19 08:29:06,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:29:06,083 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948108480] [2022-11-19 08:29:06,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:29:06,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:29:06,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:29:08,737 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2022-11-19 08:29:08,738 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:29:08,738 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948108480] [2022-11-19 08:29:08,738 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1948108480] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:29:08,738 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:29:08,738 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 08:29:08,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767165813] [2022-11-19 08:29:08,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:29:08,739 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 08:29:08,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:29:08,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 08:29:08,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:29:08,739 INFO L87 Difference]: Start difference. First operand 15739 states and 21783 transitions. Second operand has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-19 08:29:10,932 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:29:16,988 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:29:26,248 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:29:28,053 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 08:29:35,788 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:29:37,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:29:37,826 INFO L93 Difference]: Finished difference Result 22287 states and 30800 transitions. [2022-11-19 08:29:37,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-19 08:29:37,827 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 61 [2022-11-19 08:29:37,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:29:37,943 INFO L225 Difference]: With dead ends: 22287 [2022-11-19 08:29:37,944 INFO L226 Difference]: Without dead ends: 22285 [2022-11-19 08:29:37,959 INFO L412 NwaCegarLoop]: 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 [2022-11-19 08:29:37,960 INFO L413 NwaCegarLoop]: 4936 mSDtfsCounter, 3301 mSDsluCounter, 13666 mSDsCounter, 0 mSdLazyCounter, 2099 mSolverCounterSat, 2 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3318 SdHoareTripleChecker+Valid, 18602 SdHoareTripleChecker+Invalid, 2105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 2099 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.0s IncrementalHoareTripleChecker+Time [2022-11-19 08:29:37,961 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3318 Valid, 18602 Invalid, 2105 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 2099 Invalid, 4 Unknown, 0 Unchecked, 28.0s Time] [2022-11-19 08:29:37,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22285 states. [2022-11-19 08:29:39,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22285 to 22278. [2022-11-19 08:29:39,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22278 states, 13415 states have (on average 1.2743197912784197) internal successors, (17095), 13903 states have internal predecessors, (17095), 6690 states have call successors, (6690), 2211 states have call predecessors, (6690), 2170 states have return successors, (7005), 6445 states have call predecessors, (7005), 6678 states have call successors, (7005) [2022-11-19 08:29:39,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22278 states to 22278 states and 30790 transitions. [2022-11-19 08:29:39,494 INFO L78 Accepts]: Start accepts. Automaton has 22278 states and 30790 transitions. Word has length 61 [2022-11-19 08:29:39,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:29:39,495 INFO L495 AbstractCegarLoop]: Abstraction has 22278 states and 30790 transitions. [2022-11-19 08:29:39,495 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-19 08:29:39,495 INFO L276 IsEmpty]: Start isEmpty. Operand 22278 states and 30790 transitions. [2022-11-19 08:29:39,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-11-19 08:29:39,497 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:29:39,497 INFO L195 NwaCegarLoop]: trace histogram [7, 6, 6, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:29:39,497 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-19 08:29:39,497 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-19 08:29:39,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:29:39,498 INFO L85 PathProgramCache]: Analyzing trace with hash 630791989, now seen corresponding path program 1 times [2022-11-19 08:29:39,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:29:39,498 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365955206] [2022-11-19 08:29:39,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:29:39,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:29:40,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:29:42,313 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2022-11-19 08:29:42,313 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:29:42,313 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365955206] [2022-11-19 08:29:42,314 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [365955206] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:29:42,314 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:29:42,314 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 08:29:42,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816893226] [2022-11-19 08:29:42,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:29:42,322 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 08:29:42,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:29:42,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 08:29:42,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:29:42,323 INFO L87 Difference]: Start difference. First operand 22278 states and 30790 transitions. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-19 08:29:44,480 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:29:50,742 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:30:03,436 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:30:05,454 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:30:07,473 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 08:30:08,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:30:08,447 INFO L93 Difference]: Finished difference Result 22301 states and 30810 transitions. [2022-11-19 08:30:08,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-19 08:30:08,448 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 65 [2022-11-19 08:30:08,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:30:08,542 INFO L225 Difference]: With dead ends: 22301 [2022-11-19 08:30:08,542 INFO L226 Difference]: Without dead ends: 22299 [2022-11-19 08:30:08,551 INFO L412 NwaCegarLoop]: 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 [2022-11-19 08:30:08,552 INFO L413 NwaCegarLoop]: 4145 mSDtfsCounter, 4573 mSDsluCounter, 8418 mSDsCounter, 0 mSdLazyCounter, 1578 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4587 SdHoareTripleChecker+Valid, 12563 SdHoareTripleChecker+Invalid, 1583 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1578 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.0s IncrementalHoareTripleChecker+Time [2022-11-19 08:30:08,552 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4587 Valid, 12563 Invalid, 1583 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1578 Invalid, 4 Unknown, 0 Unchecked, 25.0s Time] [2022-11-19 08:30:08,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22299 states. [2022-11-19 08:30:09,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22299 to 22294. [2022-11-19 08:30:09,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22294 states, 13427 states have (on average 1.2740746257540776) internal successors, (17107), 13915 states have internal predecessors, (17107), 6690 states have call successors, (6690), 2215 states have call predecessors, (6690), 2174 states have return successors, (7005), 6445 states have call predecessors, (7005), 6678 states have call successors, (7005) [2022-11-19 08:30:09,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22294 states to 22294 states and 30802 transitions. [2022-11-19 08:30:09,955 INFO L78 Accepts]: Start accepts. Automaton has 22294 states and 30802 transitions. Word has length 65 [2022-11-19 08:30:09,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:30:09,956 INFO L495 AbstractCegarLoop]: Abstraction has 22294 states and 30802 transitions. [2022-11-19 08:30:09,956 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-19 08:30:09,956 INFO L276 IsEmpty]: Start isEmpty. Operand 22294 states and 30802 transitions. [2022-11-19 08:30:09,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-11-19 08:30:09,957 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:30:09,958 INFO L195 NwaCegarLoop]: trace histogram [8, 7, 7, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:30:09,958 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-19 08:30:09,958 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-19 08:30:09,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:30:09,959 INFO L85 PathProgramCache]: Analyzing trace with hash -1043082386, now seen corresponding path program 1 times [2022-11-19 08:30:09,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:30:09,959 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415952786] [2022-11-19 08:30:09,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:30:09,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:30:10,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:30:12,490 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2022-11-19 08:30:12,490 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:30:12,490 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415952786] [2022-11-19 08:30:12,491 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [415952786] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:30:12,491 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:30:12,491 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 08:30:12,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87497872] [2022-11-19 08:30:12,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:30:12,491 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 08:30:12,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:30:12,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 08:30:12,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:30:12,493 INFO L87 Difference]: Start difference. First operand 22294 states and 30802 transitions. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13)