./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00e0e5dd-9c54-4d45-8af2-2764d5c7a715/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00e0e5dd-9c54-4d45-8af2-2764d5c7a715/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00e0e5dd-9c54-4d45-8af2-2764d5c7a715/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00e0e5dd-9c54-4d45-8af2-2764d5c7a715/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00e0e5dd-9c54-4d45-8af2-2764d5c7a715/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00e0e5dd-9c54-4d45-8af2-2764d5c7a715/bin/utaipan-7li7fVZpFI --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 bc38af6d85a1ea18be4ba0c188eed765e9a84460b9b23510e792660c4b3625d7 --- 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-5e519f3 [2022-11-03 03:50:40,657 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 03:50:40,659 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 03:50:40,708 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 03:50:40,709 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 03:50:40,714 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 03:50:40,716 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 03:50:40,721 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 03:50:40,725 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 03:50:40,727 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 03:50:40,728 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 03:50:40,730 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 03:50:40,731 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 03:50:40,738 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 03:50:40,740 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 03:50:40,742 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 03:50:40,744 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 03:50:40,747 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 03:50:40,748 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 03:50:40,750 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 03:50:40,758 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 03:50:40,759 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 03:50:40,760 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 03:50:40,762 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 03:50:40,767 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 03:50:40,772 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 03:50:40,772 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 03:50:40,773 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 03:50:40,775 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 03:50:40,776 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 03:50:40,777 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 03:50:40,779 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 03:50:40,781 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 03:50:40,782 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 03:50:40,783 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 03:50:40,783 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 03:50:40,784 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 03:50:40,784 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 03:50:40,785 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 03:50:40,786 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 03:50:40,786 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 03:50:40,787 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00e0e5dd-9c54-4d45-8af2-2764d5c7a715/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 03:50:40,832 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 03:50:40,836 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 03:50:40,837 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 03:50:40,837 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 03:50:40,838 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 03:50:40,838 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 03:50:40,839 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 03:50:40,839 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 03:50:40,839 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 03:50:40,839 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 03:50:40,841 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 03:50:40,841 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 03:50:40,841 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 03:50:40,842 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 03:50:40,842 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 03:50:40,842 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 03:50:40,842 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 03:50:40,843 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 03:50:40,843 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 03:50:40,844 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 03:50:40,844 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 03:50:40,844 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 03:50:40,844 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 03:50:40,845 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 03:50:40,845 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 03:50:40,845 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 03:50:40,845 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 03:50:40,846 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 03:50:40,846 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 03:50:40,846 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:50:40,847 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 03:50:40,847 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 03:50:40,847 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 03:50:40,848 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 03:50:40,848 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 03:50:40,848 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 03:50:40,848 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 03:50:40,849 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 03:50:40,849 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_00e0e5dd-9c54-4d45-8af2-2764d5c7a715/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00e0e5dd-9c54-4d45-8af2-2764d5c7a715/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bc38af6d85a1ea18be4ba0c188eed765e9a84460b9b23510e792660c4b3625d7 [2022-11-03 03:50:41,180 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 03:50:41,203 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 03:50:41,206 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 03:50:41,207 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 03:50:41,208 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 03:50:41,210 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00e0e5dd-9c54-4d45-8af2-2764d5c7a715/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i [2022-11-03 03:50:41,289 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00e0e5dd-9c54-4d45-8af2-2764d5c7a715/bin/utaipan-7li7fVZpFI/data/3ac3cafa6/2ac103f79257420e8e3382961f143eb3/FLAG31c6572a7 [2022-11-03 03:50:42,345 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 03:50:42,347 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00e0e5dd-9c54-4d45-8af2-2764d5c7a715/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i [2022-11-03 03:50:42,448 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00e0e5dd-9c54-4d45-8af2-2764d5c7a715/bin/utaipan-7li7fVZpFI/data/3ac3cafa6/2ac103f79257420e8e3382961f143eb3/FLAG31c6572a7 [2022-11-03 03:50:42,648 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00e0e5dd-9c54-4d45-8af2-2764d5c7a715/bin/utaipan-7li7fVZpFI/data/3ac3cafa6/2ac103f79257420e8e3382961f143eb3 [2022-11-03 03:50:42,652 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 03:50:42,654 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 03:50:42,656 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 03:50:42,656 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 03:50:42,661 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 03:50:42,663 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:50:42" (1/1) ... [2022-11-03 03:50:42,665 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bb2b86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:50:42, skipping insertion in model container [2022-11-03 03:50:42,665 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:50:42" (1/1) ... [2022-11-03 03:50:42,672 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 03:50:42,945 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 03:50:48,447 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00e0e5dd-9c54-4d45-8af2-2764d5c7a715/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552482,552495] [2022-11-03 03:50:48,451 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00e0e5dd-9c54-4d45-8af2-2764d5c7a715/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552651,552664] [2022-11-03 03:50:48,451 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00e0e5dd-9c54-4d45-8af2-2764d5c7a715/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552818,552831] [2022-11-03 03:50:48,452 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00e0e5dd-9c54-4d45-8af2-2764d5c7a715/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552986,552999] [2022-11-03 03:50:48,496 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:50:48,606 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 03:50:49,265 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00e0e5dd-9c54-4d45-8af2-2764d5c7a715/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552482,552495] [2022-11-03 03:50:49,266 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00e0e5dd-9c54-4d45-8af2-2764d5c7a715/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552651,552664] [2022-11-03 03:50:49,266 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00e0e5dd-9c54-4d45-8af2-2764d5c7a715/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552818,552831] [2022-11-03 03:50:49,267 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00e0e5dd-9c54-4d45-8af2-2764d5c7a715/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552986,552999] [2022-11-03 03:50:49,284 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 03:50:49,747 INFO L208 MainTranslator]: Completed translation [2022-11-03 03:50:49,747 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:50:49 WrapperNode [2022-11-03 03:50:49,748 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 03:50:49,749 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 03:50:49,749 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 03:50:49,750 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 03:50:49,758 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:50:49" (1/1) ... [2022-11-03 03:50:49,964 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:50:49" (1/1) ... [2022-11-03 03:50:50,393 INFO L138 Inliner]: procedures = 703, calls = 5887, calls flagged for inlining = 364, calls inlined = 322, statements flattened = 10884 [2022-11-03 03:50:50,394 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 03:50:50,394 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 03:50:50,395 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 03:50:50,395 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 03:50:50,405 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:50:49" (1/1) ... [2022-11-03 03:50:50,405 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:50:49" (1/1) ... [2022-11-03 03:50:50,468 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:50:49" (1/1) ... [2022-11-03 03:50:50,469 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:50:49" (1/1) ... [2022-11-03 03:50:50,672 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:50:49" (1/1) ... [2022-11-03 03:50:50,826 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:50:49" (1/1) ... [2022-11-03 03:50:50,888 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:50:49" (1/1) ... [2022-11-03 03:50:50,915 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:50:49" (1/1) ... [2022-11-03 03:50:50,980 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 03:50:50,981 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 03:50:50,981 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 03:50:50,981 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 03:50:50,982 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:50:49" (1/1) ... [2022-11-03 03:50:50,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 03:50:51,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00e0e5dd-9c54-4d45-8af2-2764d5c7a715/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 03:50:51,015 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00e0e5dd-9c54-4d45-8af2-2764d5c7a715/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 03:50:51,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_00e0e5dd-9c54-4d45-8af2-2764d5c7a715/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 03:50:51,072 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_93 [2022-11-03 03:50:51,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_93 [2022-11-03 03:50:51,073 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-03 03:50:51,073 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-03 03:50:51,073 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_irq_disable [2022-11-03 03:50:51,073 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_irq_disable [2022-11-03 03:50:51,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-03 03:50:51,074 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-03 03:50:51,074 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-11-03 03:50:51,074 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-11-03 03:50:51,074 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_80 [2022-11-03 03:50:51,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_80 [2022-11-03 03:50:51,074 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_intr [2022-11-03 03:50:51,075 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_intr [2022-11-03 03:50:51,075 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-03 03:50:51,075 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-03 03:50:51,075 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-03 03:50:51,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-03 03:50:51,076 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_minnow_platform_init [2022-11-03 03:50:51,076 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_minnow_platform_init [2022-11-03 03:50:51,076 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_open [2022-11-03 03:50:51,076 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_open [2022-11-03 03:50:51,076 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2022-11-03 03:50:51,076 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2022-11-03 03:50:51,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-03 03:50:51,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-03 03:50:51,077 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_reinit_locked [2022-11-03 03:50:51,078 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_reinit_locked [2022-11-03 03:50:51,078 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_hal_power_up_phy [2022-11-03 03:50:51,078 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_hal_power_up_phy [2022-11-03 03:50:51,078 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_setup_tx_resources [2022-11-03 03:50:51,079 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_setup_tx_resources [2022-11-03 03:50:51,079 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-03 03:50:51,079 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-03 03:50:51,079 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-03 03:50:51,079 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-03 03:50:51,080 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-03 03:50:51,080 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-03 03:50:51,080 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_netpoll [2022-11-03 03:50:51,080 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_netpoll [2022-11-03 03:50:51,081 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_plat_init_hw [2022-11-03 03:50:51,081 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_plat_init_hw [2022-11-03 03:50:51,082 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_free_rx_resources [2022-11-03 03:50:51,082 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_free_rx_resources [2022-11-03 03:50:51,083 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_free_tx_resources [2022-11-03 03:50:51,083 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_free_tx_resources [2022-11-03 03:50:51,083 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-11-03 03:50:51,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-11-03 03:50:51,083 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_pch_gbe_exit_module_17_2 [2022-11-03 03:50:51,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_pch_gbe_exit_module_17_2 [2022-11-03 03:50:51,084 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-11-03 03:50:51,084 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-11-03 03:50:51,084 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-03 03:50:51,085 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-03 03:50:51,085 INFO L130 BoogieDeclarations]: Found specification of procedure dma_zalloc_coherent [2022-11-03 03:50:51,085 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_zalloc_coherent [2022-11-03 03:50:51,086 INFO L130 BoogieDeclarations]: Found specification of procedure pch_set_station_address [2022-11-03 03:50:51,086 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_set_station_address [2022-11-03 03:50:51,086 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-03 03:50:51,086 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-03 03:50:51,086 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-03 03:50:51,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-03 03:50:51,087 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mdio_write [2022-11-03 03:50:51,087 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mdio_write [2022-11-03 03:50:51,087 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-03 03:50:51,088 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-03 03:50:51,088 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-11-03 03:50:51,088 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-11-03 03:50:51,088 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-03 03:50:51,088 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-03 03:50:51,089 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-03 03:50:51,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-03 03:50:51,089 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-03 03:50:51,089 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-03 03:50:51,089 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-11-03 03:50:51,090 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-11-03 03:50:51,090 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 03:50:51,090 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_power_up [2022-11-03 03:50:51,091 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_power_up [2022-11-03 03:50:51,091 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-11-03 03:50:51,091 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-11-03 03:50:51,091 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_resume [2022-11-03 03:50:51,092 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_resume [2022-11-03 03:50:51,092 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-03 03:50:51,092 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-03 03:50:51,093 INFO L130 BoogieDeclarations]: Found specification of procedure pch_ch_event_write [2022-11-03 03:50:51,093 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_ch_event_write [2022-11-03 03:50:51,093 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2022-11-03 03:50:51,094 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2022-11-03 03:50:51,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-03 03:50:51,094 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-03 03:50:51,094 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-03 03:50:51,094 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-03 03:50:51,094 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-03 03:50:51,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-11-03 03:50:51,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-11-03 03:50:51,095 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-03 03:50:51,096 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-03 03:50:51,096 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_enable_dma_rx [2022-11-03 03:50:51,096 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_enable_dma_rx [2022-11-03 03:50:51,096 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_configure_rx [2022-11-03 03:50:51,096 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_configure_rx [2022-11-03 03:50:51,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-03 03:50:51,097 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_wait_clr_bit [2022-11-03 03:50:51,098 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_wait_clr_bit [2022-11-03 03:50:51,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-03 03:50:51,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-03 03:50:51,101 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 03:50:51,101 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-03 03:50:51,101 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-03 03:50:51,102 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2022-11-03 03:50:51,102 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2022-11-03 03:50:51,103 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-03 03:50:51,103 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-03 03:50:51,109 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_remove [2022-11-03 03:50:51,109 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_remove [2022-11-03 03:50:51,109 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-03 03:50:51,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-03 03:50:51,110 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-11-03 03:50:51,110 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-11-03 03:50:51,110 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-03 03:50:51,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-03 03:50:51,110 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-03 03:50:51,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-03 03:50:51,111 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-11-03 03:50:51,111 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-11-03 03:50:51,111 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_force_mac_fc [2022-11-03 03:50:51,111 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_force_mac_fc [2022-11-03 03:50:51,111 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_suspend [2022-11-03 03:50:51,111 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_suspend [2022-11-03 03:50:51,111 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-11-03 03:50:51,112 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-11-03 03:50:51,112 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-03 03:50:51,112 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-03 03:50:51,112 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-03 03:50:51,112 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-03 03:50:51,112 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_set_value [2022-11-03 03:50:51,112 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_set_value [2022-11-03 03:50:51,113 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-03 03:50:51,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-03 03:50:51,113 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 03:50:51,113 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-03 03:50:51,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-03 03:50:51,113 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-03 03:50:51,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-03 03:50:51,114 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-11-03 03:50:51,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-11-03 03:50:51,114 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_5 [2022-11-03 03:50:51,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_5 [2022-11-03 03:50:51,114 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2022-11-03 03:50:51,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2022-11-03 03:50:51,114 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-11-03 03:50:51,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-11-03 03:50:51,115 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-11-03 03:50:51,115 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-11-03 03:50:51,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 03:50:51,115 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-03 03:50:51,115 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-03 03:50:51,115 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-03 03:50:51,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-03 03:50:51,116 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-03 03:50:51,116 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-03 03:50:51,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 03:50:51,116 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-03 03:50:51,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-03 03:50:51,116 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-11-03 03:50:51,116 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-11-03 03:50:51,117 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-03 03:50:51,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-03 03:50:51,117 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-03 03:50:51,117 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-03 03:50:51,117 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2022-11-03 03:50:51,117 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2022-11-03 03:50:51,117 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-11-03 03:50:51,118 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-11-03 03:50:51,118 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_set_wol_event [2022-11-03 03:50:51,118 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_set_wol_event [2022-11-03 03:50:51,118 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-03 03:50:51,120 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-03 03:50:51,120 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_ctrl_miim [2022-11-03 03:50:51,120 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_ctrl_miim [2022-11-03 03:50:51,120 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-03 03:50:51,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-03 03:50:51,120 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_get_regs_len [2022-11-03 03:50:51,121 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_get_regs_len [2022-11-03 03:50:51,121 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-03 03:50:51,121 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-03 03:50:51,121 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 03:50:51,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 03:50:51,121 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_alloc_rx_buffers [2022-11-03 03:50:51,121 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_alloc_rx_buffers [2022-11-03 03:50:51,122 INFO L130 BoogieDeclarations]: Found specification of procedure __pch_gbe_suspend [2022-11-03 03:50:51,122 INFO L138 BoogieDeclarations]: Found implementation of procedure __pch_gbe_suspend [2022-11-03 03:50:51,122 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-11-03 03:50:51,122 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-11-03 03:50:51,122 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_plat_get_bus_info [2022-11-03 03:50:51,122 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_plat_get_bus_info [2022-11-03 03:50:51,122 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-11-03 03:50:51,123 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-11-03 03:50:51,123 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_power_down [2022-11-03 03:50:51,123 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_power_down [2022-11-03 03:50:51,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-03 03:50:51,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-03 03:50:51,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-03 03:50:51,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-03 03:50:51,124 INFO L130 BoogieDeclarations]: Found specification of procedure csum_tcpudp_magic [2022-11-03 03:50:51,124 INFO L138 BoogieDeclarations]: Found implementation of procedure csum_tcpudp_magic [2022-11-03 03:50:51,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-03 03:50:51,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-03 03:50:51,124 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_update_stats [2022-11-03 03:50:51,124 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_update_stats [2022-11-03 03:50:51,124 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-03 03:50:51,125 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-03 03:50:51,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2022-11-03 03:50:51,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2022-11-03 03:50:51,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-03 03:50:51,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-03 03:50:51,125 INFO L130 BoogieDeclarations]: Found specification of procedure skb_checksum [2022-11-03 03:50:51,125 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_checksum [2022-11-03 03:50:51,125 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mdio_read [2022-11-03 03:50:51,126 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mdio_read [2022-11-03 03:50:51,126 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_clean_rx_ring [2022-11-03 03:50:51,126 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_clean_rx_ring [2022-11-03 03:50:51,126 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-11-03 03:50:51,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-11-03 03:50:51,126 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_tx_lock_of_pch_gbe_tx_ring [2022-11-03 03:50:51,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_tx_lock_of_pch_gbe_tx_ring [2022-11-03 03:50:51,127 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_up [2022-11-03 03:50:51,127 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_up [2022-11-03 03:50:51,127 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-03 03:50:51,127 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-03 03:50:51,128 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-03 03:50:51,132 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-03 03:50:51,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-11-03 03:50:51,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-11-03 03:50:51,132 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_gset [2022-11-03 03:50:51,132 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_gset [2022-11-03 03:50:51,133 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_clean_tx_ring [2022-11-03 03:50:51,133 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_clean_tx_ring [2022-11-03 03:50:51,133 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_reset [2022-11-03 03:50:51,133 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_reset [2022-11-03 03:50:51,135 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-11-03 03:50:51,135 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-11-03 03:50:51,135 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies [2022-11-03 03:50:51,135 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies [2022-11-03 03:50:51,135 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_stop_14_2 [2022-11-03 03:50:51,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_stop_14_2 [2022-11-03 03:50:51,135 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_stop [2022-11-03 03:50:51,136 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_stop [2022-11-03 03:50:51,136 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 03:50:51,136 INFO L130 BoogieDeclarations]: Found specification of procedure ns_to_ktime [2022-11-03 03:50:51,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_to_ktime [2022-11-03 03:50:51,136 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-11-03 03:50:51,136 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-11-03 03:50:51,136 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-03 03:50:51,137 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-03 03:50:51,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 03:50:51,137 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_io_resume [2022-11-03 03:50:51,137 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_io_resume [2022-11-03 03:50:51,137 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~s32~0 [2022-11-03 03:50:51,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~s32~0 [2022-11-03 03:50:51,137 INFO L130 BoogieDeclarations]: Found specification of procedure pch_ch_event_read [2022-11-03 03:50:51,137 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_ch_event_read [2022-11-03 03:50:51,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 03:50:51,138 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-03 03:50:51,138 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-03 03:50:51,138 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-03 03:50:51,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-03 03:50:51,138 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-11-03 03:50:51,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-11-03 03:50:51,139 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_nway_reset [2022-11-03 03:50:51,139 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_nway_reset [2022-11-03 03:50:51,139 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-03 03:50:51,139 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-03 03:50:51,139 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-11-03 03:50:51,139 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-11-03 03:50:51,139 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_irq_enable [2022-11-03 03:50:51,140 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_irq_enable [2022-11-03 03:50:51,140 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-03 03:50:51,140 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-03 03:50:51,140 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_hw_reset [2022-11-03 03:50:51,140 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_hw_reset [2022-11-03 03:50:51,140 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_tx_timeout [2022-11-03 03:50:51,140 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_tx_timeout [2022-11-03 03:50:51,140 INFO L130 BoogieDeclarations]: Found specification of procedure mii_link_ok [2022-11-03 03:50:51,141 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_link_ok [2022-11-03 03:50:51,141 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-03 03:50:51,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-03 03:50:51,141 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-03 03:50:51,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-03 03:50:51,141 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_sset [2022-11-03 03:50:51,141 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_sset [2022-11-03 03:50:51,141 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_hal_power_down_phy [2022-11-03 03:50:51,142 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_hal_power_down_phy [2022-11-03 03:50:51,142 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-11-03 03:50:51,142 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-11-03 03:50:51,142 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_set_mode [2022-11-03 03:50:51,142 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_set_mode [2022-11-03 03:50:51,142 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-03 03:50:51,142 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-03 03:50:51,143 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-03 03:50:51,143 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-03 03:50:51,143 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_setup_rx_resources [2022-11-03 03:50:51,143 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_setup_rx_resources [2022-11-03 03:50:51,143 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-03 03:50:51,143 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-03 03:50:51,143 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-03 03:50:51,143 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-03 03:50:51,144 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_validate_option [2022-11-03 03:50:51,144 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_validate_option [2022-11-03 03:50:51,144 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_reset_hw [2022-11-03 03:50:51,144 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_reset_hw [2022-11-03 03:50:51,144 INFO L130 BoogieDeclarations]: Found specification of procedure udp_hdr [2022-11-03 03:50:51,144 INFO L138 BoogieDeclarations]: Found implementation of procedure udp_hdr [2022-11-03 03:50:51,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 03:50:51,144 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_setup_rctl [2022-11-03 03:50:51,145 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_setup_rctl [2022-11-03 03:50:51,145 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_sw_reset [2022-11-03 03:50:51,145 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_sw_reset [2022-11-03 03:50:51,145 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-03 03:50:51,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-03 03:50:51,145 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_hal_phy_hw_reset [2022-11-03 03:50:51,145 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_hal_phy_hw_reset [2022-11-03 03:50:51,146 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_write_reg_miic [2022-11-03 03:50:51,146 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_write_reg_miic [2022-11-03 03:50:51,146 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-03 03:50:51,146 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-03 03:50:51,146 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-03 03:50:51,146 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-03 03:50:51,146 INFO L130 BoogieDeclarations]: Found specification of procedure pch_ch_control_write [2022-11-03 03:50:51,146 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_ch_control_write [2022-11-03 03:50:51,147 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_set_multi [2022-11-03 03:50:51,147 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_set_multi [2022-11-03 03:50:51,147 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_shutdown [2022-11-03 03:50:51,147 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_shutdown [2022-11-03 03:50:51,147 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-03 03:50:51,147 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-03 03:50:51,147 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-11-03 03:50:51,148 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-11-03 03:50:51,148 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_read_reg_miic [2022-11-03 03:50:51,148 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_read_reg_miic [2022-11-03 03:50:51,148 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_95 [2022-11-03 03:50:51,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_95 [2022-11-03 03:50:51,148 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-03 03:50:51,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-03 03:50:51,149 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_read_mac_addr [2022-11-03 03:50:51,149 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_read_mac_addr [2022-11-03 03:50:51,149 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_set_rgmii_ctrl [2022-11-03 03:50:51,149 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_set_rgmii_ctrl [2022-11-03 03:50:51,149 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed [2022-11-03 03:50:51,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed [2022-11-03 03:50:51,149 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_down [2022-11-03 03:50:51,149 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_down [2022-11-03 03:50:51,150 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_free_irq [2022-11-03 03:50:51,150 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_free_irq [2022-11-03 03:50:51,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 03:50:51,150 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_mar_set [2022-11-03 03:50:51,150 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_mar_set [2022-11-03 03:50:51,150 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-03 03:50:51,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-03 03:50:52,655 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 03:50:52,659 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 03:50:53,184 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-03 03:51:09,505 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-03 03:51:10,098 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 03:51:13,050 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 03:51:13,050 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-03 03:51:13,056 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:51:13 BoogieIcfgContainer [2022-11-03 03:51:13,056 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 03:51:13,059 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 03:51:13,059 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 03:51:13,062 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 03:51:13,063 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 03:50:42" (1/3) ... [2022-11-03 03:51:13,063 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70dfd83c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:51:13, skipping insertion in model container [2022-11-03 03:51:13,064 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:50:49" (2/3) ... [2022-11-03 03:51:13,064 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70dfd83c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:51:13, skipping insertion in model container [2022-11-03 03:51:13,064 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:51:13" (3/3) ... [2022-11-03 03:51:13,066 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i [2022-11-03 03:51:13,087 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 03:51:13,088 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-11-03 03:51:13,194 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 03:51:13,200 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;@60af9aa7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 03:51:13,200 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-11-03 03:51:13,212 INFO L276 IsEmpty]: Start isEmpty. Operand has 2555 states, 1511 states have (on average 1.2911978821972203) internal successors, (1951), 1555 states have internal predecessors, (1951), 870 states have call successors, (870), 172 states have call predecessors, (870), 171 states have return successors, (860), 844 states have call predecessors, (860), 860 states have call successors, (860) [2022-11-03 03:51:13,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-11-03 03:51:13,238 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:51:13,239 INFO L195 NwaCegarLoop]: trace histogram [22, 21, 21, 21, 21, 21, 21, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:51:13,239 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-11-03 03:51:13,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:51:13,245 INFO L85 PathProgramCache]: Analyzing trace with hash 911004308, now seen corresponding path program 1 times [2022-11-03 03:51:13,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:51:13,255 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716845131] [2022-11-03 03:51:13,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:51:13,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:51:13,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:51:14,755 INFO L134 CoverageAnalysis]: Checked inductivity of 1725 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1725 trivial. 0 not checked. [2022-11-03 03:51:14,755 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:51:14,756 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1716845131] [2022-11-03 03:51:14,756 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1716845131] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:51:14,757 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:51:14,757 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 03:51:14,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540894354] [2022-11-03 03:51:14,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:51:14,766 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:51:14,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:51:14,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:51:14,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:51:14,817 INFO L87 Difference]: Start difference. First operand has 2555 states, 1511 states have (on average 1.2911978821972203) internal successors, (1951), 1555 states have internal predecessors, (1951), 870 states have call successors, (870), 172 states have call predecessors, (870), 171 states have return successors, (860), 844 states have call predecessors, (860), 860 states have call successors, (860) Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-11-03 03:51:19,659 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:51:22,587 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 [] [2022-11-03 03:51:27,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:51:27,094 INFO L93 Difference]: Finished difference Result 7345 states and 10866 transitions. [2022-11-03 03:51:27,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:51:27,097 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 234 [2022-11-03 03:51:27,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:51:27,153 INFO L225 Difference]: With dead ends: 7345 [2022-11-03 03:51:27,153 INFO L226 Difference]: Without dead ends: 4819 [2022-11-03 03:51:27,172 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:51:27,175 INFO L413 NwaCegarLoop]: 3873 mSDtfsCounter, 3293 mSDsluCounter, 3609 mSDsCounter, 0 mSdLazyCounter, 1116 mSolverCounterSat, 9 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3293 SdHoareTripleChecker+Valid, 6948 SdHoareTripleChecker+Invalid, 1127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1116 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.8s IncrementalHoareTripleChecker+Time [2022-11-03 03:51:27,176 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3293 Valid, 6948 Invalid, 1127 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 1116 Invalid, 2 Unknown, 0 Unchecked, 11.8s Time] [2022-11-03 03:51:27,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4819 states. [2022-11-03 03:51:27,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4819 to 4812. [2022-11-03 03:51:27,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4812 states, 2860 states have (on average 1.2828671328671328) internal successors, (3669), 2943 states have internal predecessors, (3669), 1611 states have call successors, (1611), 338 states have call predecessors, (1611), 337 states have return successors, (1607), 1575 states have call predecessors, (1607), 1607 states have call successors, (1607) [2022-11-03 03:51:27,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4812 states to 4812 states and 6887 transitions. [2022-11-03 03:51:27,588 INFO L78 Accepts]: Start accepts. Automaton has 4812 states and 6887 transitions. Word has length 234 [2022-11-03 03:51:27,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:51:27,592 INFO L495 AbstractCegarLoop]: Abstraction has 4812 states and 6887 transitions. [2022-11-03 03:51:27,592 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-11-03 03:51:27,593 INFO L276 IsEmpty]: Start isEmpty. Operand 4812 states and 6887 transitions. [2022-11-03 03:51:27,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2022-11-03 03:51:27,610 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:51:27,611 INFO L195 NwaCegarLoop]: trace histogram [22, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:51:27,611 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 03:51:27,613 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-11-03 03:51:27,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:51:27,614 INFO L85 PathProgramCache]: Analyzing trace with hash 143152162, now seen corresponding path program 1 times [2022-11-03 03:51:27,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:51:27,615 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865198717] [2022-11-03 03:51:27,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:51:27,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:51:27,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:51:28,345 INFO L134 CoverageAnalysis]: Checked inductivity of 1722 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1722 trivial. 0 not checked. [2022-11-03 03:51:28,346 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:51:28,347 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1865198717] [2022-11-03 03:51:28,347 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1865198717] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:51:28,347 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:51:28,347 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 03:51:28,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130052662] [2022-11-03 03:51:28,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:51:28,351 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:51:28,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:51:28,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:51:28,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:51:28,352 INFO L87 Difference]: Start difference. First operand 4812 states and 6887 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-03 03:51:31,872 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 [] [2022-11-03 03:51:36,763 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 [] [2022-11-03 03:51:41,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:51:41,638 INFO L93 Difference]: Finished difference Result 14077 states and 20100 transitions. [2022-11-03 03:51:41,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:51:41,639 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 239 [2022-11-03 03:51:41,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:51:41,726 INFO L225 Difference]: With dead ends: 14077 [2022-11-03 03:51:41,727 INFO L226 Difference]: Without dead ends: 9308 [2022-11-03 03:51:41,757 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:51:41,758 INFO L413 NwaCegarLoop]: 3910 mSDtfsCounter, 3228 mSDsluCounter, 3591 mSDsCounter, 0 mSdLazyCounter, 1132 mSolverCounterSat, 7 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3228 SdHoareTripleChecker+Valid, 6971 SdHoareTripleChecker+Invalid, 1141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1132 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.6s IncrementalHoareTripleChecker+Time [2022-11-03 03:51:41,764 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3228 Valid, 6971 Invalid, 1141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1132 Invalid, 2 Unknown, 0 Unchecked, 12.6s Time] [2022-11-03 03:51:41,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9308 states. [2022-11-03 03:51:42,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9308 to 9273. [2022-11-03 03:51:42,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9273 states, 5513 states have (on average 1.2791583529838564) internal successors, (7052), 5675 states have internal predecessors, (7052), 3086 states have call successors, (3086), 671 states have call predecessors, (3086), 670 states have return successors, (3082), 3013 states have call predecessors, (3082), 3082 states have call successors, (3082) [2022-11-03 03:51:42,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9273 states to 9273 states and 13220 transitions. [2022-11-03 03:51:42,378 INFO L78 Accepts]: Start accepts. Automaton has 9273 states and 13220 transitions. Word has length 239 [2022-11-03 03:51:42,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:51:42,380 INFO L495 AbstractCegarLoop]: Abstraction has 9273 states and 13220 transitions. [2022-11-03 03:51:42,381 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-03 03:51:42,381 INFO L276 IsEmpty]: Start isEmpty. Operand 9273 states and 13220 transitions. [2022-11-03 03:51:42,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2022-11-03 03:51:42,389 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:51:42,389 INFO L195 NwaCegarLoop]: trace histogram [22, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:51:42,389 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 03:51:42,390 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-11-03 03:51:42,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:51:42,392 INFO L85 PathProgramCache]: Analyzing trace with hash 2120971942, now seen corresponding path program 1 times [2022-11-03 03:51:42,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:51:42,393 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1966120887] [2022-11-03 03:51:42,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:51:42,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:51:42,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:51:43,357 INFO L134 CoverageAnalysis]: Checked inductivity of 1722 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1722 trivial. 0 not checked. [2022-11-03 03:51:43,358 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:51:43,359 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1966120887] [2022-11-03 03:51:43,360 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1966120887] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:51:43,360 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:51:43,360 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 03:51:43,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892181182] [2022-11-03 03:51:43,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:51:43,361 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:51:43,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:51:43,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:51:43,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:51:43,363 INFO L87 Difference]: Start difference. First operand 9273 states and 13220 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-11-03 03:51:48,127 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 [] [2022-11-03 03:51:54,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:51:54,717 INFO L93 Difference]: Finished difference Result 22874 states and 32583 transitions. [2022-11-03 03:51:54,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:51:54,717 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 240 [2022-11-03 03:51:54,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:51:54,837 INFO L225 Difference]: With dead ends: 22874 [2022-11-03 03:51:54,837 INFO L226 Difference]: Without dead ends: 13644 [2022-11-03 03:51:54,909 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:51:54,910 INFO L413 NwaCegarLoop]: 3860 mSDtfsCounter, 3259 mSDsluCounter, 3628 mSDsCounter, 0 mSdLazyCounter, 1095 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3259 SdHoareTripleChecker+Valid, 6945 SdHoareTripleChecker+Invalid, 1097 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1095 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.5s IncrementalHoareTripleChecker+Time [2022-11-03 03:51:54,910 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3259 Valid, 6945 Invalid, 1097 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1095 Invalid, 1 Unknown, 0 Unchecked, 10.5s Time] [2022-11-03 03:51:54,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13644 states. [2022-11-03 03:51:55,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13644 to 13611. [2022-11-03 03:51:55,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13611 states, 8106 states have (on average 1.2802862077473476) internal successors, (10378), 8339 states have internal predecessors, (10378), 4502 states have call successors, (4502), 1000 states have call predecessors, (4502), 999 states have return successors, (4498), 4393 states have call predecessors, (4498), 4498 states have call successors, (4498) [2022-11-03 03:51:55,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13611 states to 13611 states and 19378 transitions. [2022-11-03 03:51:55,889 INFO L78 Accepts]: Start accepts. Automaton has 13611 states and 19378 transitions. Word has length 240 [2022-11-03 03:51:55,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:51:55,890 INFO L495 AbstractCegarLoop]: Abstraction has 13611 states and 19378 transitions. [2022-11-03 03:51:55,890 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-11-03 03:51:55,891 INFO L276 IsEmpty]: Start isEmpty. Operand 13611 states and 19378 transitions. [2022-11-03 03:51:55,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2022-11-03 03:51:55,896 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:51:55,897 INFO L195 NwaCegarLoop]: trace histogram [22, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:51:55,897 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 03:51:55,897 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-11-03 03:51:55,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:51:55,899 INFO L85 PathProgramCache]: Analyzing trace with hash 1140226960, now seen corresponding path program 1 times [2022-11-03 03:51:55,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:51:55,899 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307026873] [2022-11-03 03:51:55,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:51:55,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:51:56,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:51:56,486 INFO L134 CoverageAnalysis]: Checked inductivity of 1722 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1722 trivial. 0 not checked. [2022-11-03 03:51:56,486 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:51:56,486 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307026873] [2022-11-03 03:51:56,486 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [307026873] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:51:56,487 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:51:56,487 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 03:51:56,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91422257] [2022-11-03 03:51:56,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:51:56,488 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:51:56,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:51:56,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:51:56,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:51:56,489 INFO L87 Difference]: Start difference. First operand 13611 states and 19378 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-11-03 03:52:00,467 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:52:02,612 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:52:09,488 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 [] [2022-11-03 03:52:10,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:52:10,516 INFO L93 Difference]: Finished difference Result 31653 states and 45081 transitions. [2022-11-03 03:52:10,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:52:10,519 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 243 [2022-11-03 03:52:10,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:52:10,645 INFO L225 Difference]: With dead ends: 31653 [2022-11-03 03:52:10,645 INFO L226 Difference]: Without dead ends: 18085 [2022-11-03 03:52:10,716 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:52:10,721 INFO L413 NwaCegarLoop]: 3819 mSDtfsCounter, 2723 mSDsluCounter, 3533 mSDsCounter, 0 mSdLazyCounter, 1154 mSolverCounterSat, 7 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2723 SdHoareTripleChecker+Valid, 6846 SdHoareTripleChecker+Invalid, 1163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1154 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.2s IncrementalHoareTripleChecker+Time [2022-11-03 03:52:10,723 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2723 Valid, 6846 Invalid, 1163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1154 Invalid, 2 Unknown, 0 Unchecked, 13.2s Time] [2022-11-03 03:52:10,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18085 states. [2022-11-03 03:52:11,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18085 to 18049. [2022-11-03 03:52:11,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18049 states, 10694 states have (on average 1.2683747896016457) internal successors, (13564), 11009 states have internal predecessors, (13564), 5968 states have call successors, (5968), 1396 states have call predecessors, (5968), 1383 states have return successors, (6161), 5790 states have call predecessors, (6161), 5964 states have call successors, (6161) [2022-11-03 03:52:12,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18049 states to 18049 states and 25693 transitions. [2022-11-03 03:52:12,078 INFO L78 Accepts]: Start accepts. Automaton has 18049 states and 25693 transitions. Word has length 243 [2022-11-03 03:52:12,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:52:12,082 INFO L495 AbstractCegarLoop]: Abstraction has 18049 states and 25693 transitions. [2022-11-03 03:52:12,083 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-11-03 03:52:12,083 INFO L276 IsEmpty]: Start isEmpty. Operand 18049 states and 25693 transitions. [2022-11-03 03:52:12,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2022-11-03 03:52:12,089 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:52:12,089 INFO L195 NwaCegarLoop]: trace histogram [22, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:52:12,089 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-03 03:52:12,089 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-11-03 03:52:12,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:52:12,090 INFO L85 PathProgramCache]: Analyzing trace with hash 1596022519, now seen corresponding path program 1 times [2022-11-03 03:52:12,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:52:12,090 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788602340] [2022-11-03 03:52:12,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:52:12,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:52:12,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:52:12,723 INFO L134 CoverageAnalysis]: Checked inductivity of 1722 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1722 trivial. 0 not checked. [2022-11-03 03:52:12,724 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:52:12,724 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1788602340] [2022-11-03 03:52:12,726 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1788602340] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:52:12,727 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:52:12,727 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 03:52:12,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796471468] [2022-11-03 03:52:12,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:52:12,728 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:52:12,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:52:12,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:52:12,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:52:12,729 INFO L87 Difference]: Start difference. First operand 18049 states and 25693 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-03 03:52:18,472 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 [] [2022-11-03 03:52:26,827 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 [] [2022-11-03 03:52:27,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:52:27,411 INFO L93 Difference]: Finished difference Result 52769 states and 74919 transitions. [2022-11-03 03:52:27,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:52:27,411 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 245 [2022-11-03 03:52:27,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:52:27,615 INFO L225 Difference]: With dead ends: 52769 [2022-11-03 03:52:27,615 INFO L226 Difference]: Without dead ends: 34763 [2022-11-03 03:52:27,690 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:52:27,691 INFO L413 NwaCegarLoop]: 4537 mSDtfsCounter, 3108 mSDsluCounter, 3545 mSDsCounter, 0 mSdLazyCounter, 1357 mSolverCounterSat, 29 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3108 SdHoareTripleChecker+Valid, 7565 SdHoareTripleChecker+Invalid, 1388 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1357 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.2s IncrementalHoareTripleChecker+Time [2022-11-03 03:52:27,691 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3108 Valid, 7565 Invalid, 1388 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1357 Invalid, 2 Unknown, 0 Unchecked, 13.2s Time] [2022-11-03 03:52:27,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34763 states. [2022-11-03 03:52:30,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34763 to 34712. [2022-11-03 03:52:30,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34712 states, 20478 states have (on average 1.2563726926457661) internal successors, (25728), 21120 states have internal predecessors, (25728), 11475 states have call successors, (11475), 2780 states have call predecessors, (11475), 2755 states have return successors, (11772), 11102 states have call predecessors, (11772), 11471 states have call successors, (11772) [2022-11-03 03:52:30,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34712 states to 34712 states and 48975 transitions. [2022-11-03 03:52:30,249 INFO L78 Accepts]: Start accepts. Automaton has 34712 states and 48975 transitions. Word has length 245 [2022-11-03 03:52:30,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:52:30,250 INFO L495 AbstractCegarLoop]: Abstraction has 34712 states and 48975 transitions. [2022-11-03 03:52:30,251 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-03 03:52:30,251 INFO L276 IsEmpty]: Start isEmpty. Operand 34712 states and 48975 transitions. [2022-11-03 03:52:30,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2022-11-03 03:52:30,262 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:52:30,262 INFO L195 NwaCegarLoop]: trace histogram [22, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:52:30,262 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-03 03:52:30,263 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-11-03 03:52:30,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:52:30,263 INFO L85 PathProgramCache]: Analyzing trace with hash 1563822599, now seen corresponding path program 1 times [2022-11-03 03:52:30,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:52:30,264 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029786906] [2022-11-03 03:52:30,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:52:30,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:52:30,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:52:31,007 INFO L134 CoverageAnalysis]: Checked inductivity of 1722 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1722 trivial. 0 not checked. [2022-11-03 03:52:31,007 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:52:31,008 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029786906] [2022-11-03 03:52:31,008 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2029786906] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:52:31,008 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:52:31,008 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 03:52:31,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937351237] [2022-11-03 03:52:31,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:52:31,010 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:52:31,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:52:31,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:52:31,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:52:31,011 INFO L87 Difference]: Start difference. First operand 34712 states and 48975 transitions. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-11-03 03:52:36,307 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:52:37,632 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:52:46,084 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:52:46,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:52:46,954 INFO L93 Difference]: Finished difference Result 96081 states and 135234 transitions. [2022-11-03 03:52:46,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:52:46,955 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 270 [2022-11-03 03:52:46,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:52:47,402 INFO L225 Difference]: With dead ends: 96081 [2022-11-03 03:52:47,403 INFO L226 Difference]: Without dead ends: 61412 [2022-11-03 03:52:47,584 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:52:47,585 INFO L413 NwaCegarLoop]: 4253 mSDtfsCounter, 2932 mSDsluCounter, 3570 mSDsCounter, 0 mSdLazyCounter, 1284 mSolverCounterSat, 19 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2932 SdHoareTripleChecker+Valid, 7293 SdHoareTripleChecker+Invalid, 1304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 1284 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.4s IncrementalHoareTripleChecker+Time [2022-11-03 03:52:47,586 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2932 Valid, 7293 Invalid, 1304 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 1284 Invalid, 1 Unknown, 0 Unchecked, 13.4s Time] [2022-11-03 03:52:47,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61412 states. [2022-11-03 03:52:50,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61412 to 61350. [2022-11-03 03:52:50,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61350 states, 36290 states have (on average 1.2496555524938) internal successors, (45350), 37452 states have internal predecessors, (45350), 20039 states have call successors, (20039), 5082 states have call predecessors, (20039), 5017 states have return successors, (20572), 19334 states have call predecessors, (20572), 20035 states have call successors, (20572) [2022-11-03 03:52:51,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61350 states to 61350 states and 85961 transitions. [2022-11-03 03:52:51,722 INFO L78 Accepts]: Start accepts. Automaton has 61350 states and 85961 transitions. Word has length 270 [2022-11-03 03:52:51,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:52:51,737 INFO L495 AbstractCegarLoop]: Abstraction has 61350 states and 85961 transitions. [2022-11-03 03:52:51,737 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-11-03 03:52:51,737 INFO L276 IsEmpty]: Start isEmpty. Operand 61350 states and 85961 transitions. [2022-11-03 03:52:51,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2022-11-03 03:52:51,744 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:52:51,745 INFO L195 NwaCegarLoop]: trace histogram [23, 21, 21, 21, 21, 21, 21, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:52:51,745 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-03 03:52:51,745 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-11-03 03:52:51,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:52:51,746 INFO L85 PathProgramCache]: Analyzing trace with hash 846165166, now seen corresponding path program 1 times [2022-11-03 03:52:51,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:52:51,746 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711497241] [2022-11-03 03:52:51,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:52:51,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:52:51,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:52:52,699 INFO L134 CoverageAnalysis]: Checked inductivity of 1773 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1766 trivial. 0 not checked. [2022-11-03 03:52:52,699 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:52:52,700 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711497241] [2022-11-03 03:52:52,700 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [711497241] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:52:52,700 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:52:52,700 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 03:52:52,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691988795] [2022-11-03 03:52:52,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:52:52,703 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 03:52:52,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:52:52,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 03:52:52,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:52:52,704 INFO L87 Difference]: Start difference. First operand 61350 states and 85961 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-11-03 03:52:58,411 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 [] [2022-11-03 03:53:07,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:53:07,312 INFO L93 Difference]: Finished difference Result 172017 states and 241276 transitions. [2022-11-03 03:53:07,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 03:53:07,313 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 265 [2022-11-03 03:53:07,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:53:08,440 INFO L225 Difference]: With dead ends: 172017 [2022-11-03 03:53:08,440 INFO L226 Difference]: Without dead ends: 110710 [2022-11-03 03:53:08,725 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 03:53:08,726 INFO L413 NwaCegarLoop]: 4564 mSDtfsCounter, 3270 mSDsluCounter, 3596 mSDsCounter, 0 mSdLazyCounter, 1342 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3270 SdHoareTripleChecker+Valid, 7626 SdHoareTripleChecker+Invalid, 1356 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1342 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.1s IncrementalHoareTripleChecker+Time [2022-11-03 03:53:08,726 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3270 Valid, 7626 Invalid, 1356 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 1342 Invalid, 1 Unknown, 0 Unchecked, 10.1s Time] [2022-11-03 03:53:08,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110710 states. [2022-11-03 03:53:13,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110710 to 110613. [2022-11-03 03:53:13,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110613 states, 65711 states have (on average 1.2494255147539985) internal successors, (82101), 67835 states have internal predecessors, (82101), 35933 states have call successors, (35933), 9082 states have call predecessors, (35933), 8965 states have return successors, (36906), 34640 states have call predecessors, (36906), 35929 states have call successors, (36906) [2022-11-03 03:53:15,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110613 states to 110613 states and 154940 transitions. [2022-11-03 03:53:15,131 INFO L78 Accepts]: Start accepts. Automaton has 110613 states and 154940 transitions. Word has length 265 [2022-11-03 03:53:15,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:53:15,132 INFO L495 AbstractCegarLoop]: Abstraction has 110613 states and 154940 transitions. [2022-11-03 03:53:15,132 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-11-03 03:53:15,133 INFO L276 IsEmpty]: Start isEmpty. Operand 110613 states and 154940 transitions. [2022-11-03 03:53:15,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2022-11-03 03:53:15,141 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:53:15,141 INFO L195 NwaCegarLoop]: trace histogram [25, 21, 21, 21, 21, 21, 21, 5, 5, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:53:15,142 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-03 03:53:15,143 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-11-03 03:53:15,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:53:15,143 INFO L85 PathProgramCache]: Analyzing trace with hash -1211452170, now seen corresponding path program 1 times [2022-11-03 03:53:15,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:53:15,144 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819641092] [2022-11-03 03:53:15,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:53:15,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:53:15,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:53:16,710 INFO L134 CoverageAnalysis]: Checked inductivity of 1894 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1894 trivial. 0 not checked. [2022-11-03 03:53:16,710 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:53:16,710 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819641092] [2022-11-03 03:53:16,711 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [819641092] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:53:16,711 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:53:16,711 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 03:53:16,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380765846] [2022-11-03 03:53:16,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:53:16,712 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 03:53:16,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:53:16,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 03:53:16,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 03:53:16,714 INFO L87 Difference]: Start difference. First operand 110613 states and 154940 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-11-03 03:53:23,006 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 [] [2022-11-03 03:53:37,248 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:53:39,561 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 03:53:41,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 03:53:41,985 INFO L93 Difference]: Finished difference Result 133266 states and 186000 transitions. [2022-11-03 03:53:41,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 03:53:41,985 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 278 [2022-11-03 03:53:41,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 03:53:42,833 INFO L225 Difference]: With dead ends: 133266 [2022-11-03 03:53:42,834 INFO L226 Difference]: Without dead ends: 133264 [2022-11-03 03:53:42,902 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-03 03:53:42,909 INFO L413 NwaCegarLoop]: 3677 mSDtfsCounter, 2503 mSDsluCounter, 11997 mSDsCounter, 0 mSdLazyCounter, 2205 mSolverCounterSat, 2 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2519 SdHoareTripleChecker+Valid, 14038 SdHoareTripleChecker+Invalid, 2210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 2205 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.4s IncrementalHoareTripleChecker+Time [2022-11-03 03:53:42,910 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2519 Valid, 14038 Invalid, 2210 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 2205 Invalid, 3 Unknown, 0 Unchecked, 20.4s Time] [2022-11-03 03:53:43,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133264 states. [2022-11-03 03:53:49,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133264 to 133257. [2022-11-03 03:53:49,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133257 states, 79110 states have (on average 1.246302616609784) internal successors, (98595), 81656 states have internal predecessors, (98595), 43215 states have call successors, (43215), 11054 states have call predecessors, (43215), 10928 states have return successors, (44184), 41647 states have call predecessors, (44184), 43207 states have call successors, (44184) [2022-11-03 03:53:50,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133257 states to 133257 states and 185994 transitions. [2022-11-03 03:53:50,298 INFO L78 Accepts]: Start accepts. Automaton has 133257 states and 185994 transitions. Word has length 278 [2022-11-03 03:53:50,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 03:53:50,299 INFO L495 AbstractCegarLoop]: Abstraction has 133257 states and 185994 transitions. [2022-11-03 03:53:50,299 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-11-03 03:53:50,299 INFO L276 IsEmpty]: Start isEmpty. Operand 133257 states and 185994 transitions. [2022-11-03 03:53:50,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2022-11-03 03:53:50,306 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 03:53:50,307 INFO L195 NwaCegarLoop]: trace histogram [25, 21, 21, 21, 21, 21, 21, 5, 5, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 03:53:50,307 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-03 03:53:50,307 INFO L420 AbstractCegarLoop]: === Iteration 9 === 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-11-03 03:53:50,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 03:53:50,308 INFO L85 PathProgramCache]: Analyzing trace with hash -492767970, now seen corresponding path program 1 times [2022-11-03 03:53:50,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 03:53:50,308 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721947791] [2022-11-03 03:53:50,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 03:53:50,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 03:53:50,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 03:53:51,889 INFO L134 CoverageAnalysis]: Checked inductivity of 1896 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1894 trivial. 0 not checked. [2022-11-03 03:53:51,889 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 03:53:51,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721947791] [2022-11-03 03:53:51,890 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1721947791] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 03:53:51,890 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 03:53:51,890 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 03:53:51,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756610692] [2022-11-03 03:53:51,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 03:53:51,890 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 03:53:51,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 03:53:51,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 03:53:51,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 03:53:51,891 INFO L87 Difference]: Start difference. First operand 133257 states and 185994 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-11-03 03:53:57,697 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 []