./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qlge-qlge.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 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_bf0d6db3-5c61-4e03-b2fc-c7253b08b7a5/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf0d6db3-5c61-4e03-b2fc-c7253b08b7a5/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf0d6db3-5c61-4e03-b2fc-c7253b08b7a5/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf0d6db3-5c61-4e03-b2fc-c7253b08b7a5/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qlge-qlge.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf0d6db3-5c61-4e03-b2fc-c7253b08b7a5/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf0d6db3-5c61-4e03-b2fc-c7253b08b7a5/bin/utaipan-g80aRyZoba --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 823dbaedd533794fe01fe70b8b2576c9f5fbcfa37b174fa416f2fd6a90f91fc3 --- 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-b5237d8 [2022-11-22 01:08:04,000 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 01:08:04,002 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 01:08:04,023 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 01:08:04,024 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 01:08:04,025 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 01:08:04,026 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 01:08:04,028 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 01:08:04,030 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 01:08:04,031 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 01:08:04,032 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 01:08:04,033 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 01:08:04,033 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 01:08:04,035 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 01:08:04,036 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 01:08:04,037 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 01:08:04,038 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 01:08:04,039 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 01:08:04,041 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 01:08:04,043 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 01:08:04,045 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 01:08:04,046 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 01:08:04,048 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 01:08:04,049 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 01:08:04,052 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 01:08:04,053 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 01:08:04,053 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 01:08:04,054 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 01:08:04,055 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 01:08:04,056 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 01:08:04,056 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 01:08:04,057 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 01:08:04,058 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 01:08:04,059 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 01:08:04,060 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 01:08:04,061 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 01:08:04,062 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 01:08:04,062 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 01:08:04,062 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 01:08:04,063 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 01:08:04,064 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 01:08:04,065 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf0d6db3-5c61-4e03-b2fc-c7253b08b7a5/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-22 01:08:04,088 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 01:08:04,089 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 01:08:04,089 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 01:08:04,090 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 01:08:04,090 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 01:08:04,091 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 01:08:04,091 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 01:08:04,091 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 01:08:04,091 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 01:08:04,092 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 01:08:04,092 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 01:08:04,092 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 01:08:04,092 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 01:08:04,093 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 01:08:04,093 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 01:08:04,093 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 01:08:04,093 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 01:08:04,094 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 01:08:04,095 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 01:08:04,095 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 01:08:04,095 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 01:08:04,095 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 01:08:04,096 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 01:08:04,096 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 01:08:04,096 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 01:08:04,096 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 01:08:04,097 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 01:08:04,097 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 01:08:04,097 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 01:08:04,098 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:08:04,098 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 01:08:04,098 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 01:08:04,099 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 01:08:04,099 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 01:08:04,099 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 01:08:04,099 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 01:08:04,099 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 01:08:04,100 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 01:08:04,100 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_bf0d6db3-5c61-4e03-b2fc-c7253b08b7a5/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf0d6db3-5c61-4e03-b2fc-c7253b08b7a5/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 823dbaedd533794fe01fe70b8b2576c9f5fbcfa37b174fa416f2fd6a90f91fc3 [2022-11-22 01:08:04,393 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 01:08:04,424 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 01:08:04,427 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 01:08:04,428 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 01:08:04,429 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 01:08:04,430 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf0d6db3-5c61-4e03-b2fc-c7253b08b7a5/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qlge-qlge.cil.i [2022-11-22 01:08:07,410 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 01:08:08,384 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 01:08:08,385 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf0d6db3-5c61-4e03-b2fc-c7253b08b7a5/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qlge-qlge.cil.i [2022-11-22 01:08:08,467 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf0d6db3-5c61-4e03-b2fc-c7253b08b7a5/bin/utaipan-g80aRyZoba/data/b4c231f67/b3a609f5529a4ce1bc0a02960b56eddb/FLAG7d637e12e [2022-11-22 01:08:08,486 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf0d6db3-5c61-4e03-b2fc-c7253b08b7a5/bin/utaipan-g80aRyZoba/data/b4c231f67/b3a609f5529a4ce1bc0a02960b56eddb [2022-11-22 01:08:08,490 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 01:08:08,493 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 01:08:08,498 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 01:08:08,499 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 01:08:08,502 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 01:08:08,503 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:08:08" (1/1) ... [2022-11-22 01:08:08,504 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36085909 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:08, skipping insertion in model container [2022-11-22 01:08:08,504 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:08:08" (1/1) ... [2022-11-22 01:08:08,511 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 01:08:08,715 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 01:08:16,089 WARN L237 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_bf0d6db3-5c61-4e03-b2fc-c7253b08b7a5/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qlge-qlge.cil.i[655333,655346] [2022-11-22 01:08:16,093 WARN L237 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_bf0d6db3-5c61-4e03-b2fc-c7253b08b7a5/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qlge-qlge.cil.i[655502,655515] [2022-11-22 01:08:16,094 WARN L237 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_bf0d6db3-5c61-4e03-b2fc-c7253b08b7a5/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qlge-qlge.cil.i[655669,655682] [2022-11-22 01:08:16,094 WARN L237 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_bf0d6db3-5c61-4e03-b2fc-c7253b08b7a5/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qlge-qlge.cil.i[655837,655850] [2022-11-22 01:08:16,129 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:08:16,218 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 01:08:16,878 WARN L237 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_bf0d6db3-5c61-4e03-b2fc-c7253b08b7a5/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qlge-qlge.cil.i[655333,655346] [2022-11-22 01:08:16,879 WARN L237 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_bf0d6db3-5c61-4e03-b2fc-c7253b08b7a5/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qlge-qlge.cil.i[655502,655515] [2022-11-22 01:08:16,880 WARN L237 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_bf0d6db3-5c61-4e03-b2fc-c7253b08b7a5/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qlge-qlge.cil.i[655669,655682] [2022-11-22 01:08:16,880 WARN L237 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_bf0d6db3-5c61-4e03-b2fc-c7253b08b7a5/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qlge-qlge.cil.i[655837,655850] [2022-11-22 01:08:16,894 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:08:17,435 INFO L208 MainTranslator]: Completed translation [2022-11-22 01:08:17,436 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:17 WrapperNode [2022-11-22 01:08:17,436 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 01:08:17,437 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 01:08:17,438 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 01:08:17,438 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 01:08:17,445 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:17" (1/1) ... [2022-11-22 01:08:17,658 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:17" (1/1) ... [2022-11-22 01:08:18,169 INFO L138 Inliner]: procedures = 811, calls = 7693, calls flagged for inlining = 392, calls inlined = 357, statements flattened = 15694 [2022-11-22 01:08:18,171 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 01:08:18,171 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 01:08:18,172 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 01:08:18,172 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 01:08:18,182 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:17" (1/1) ... [2022-11-22 01:08:18,182 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:17" (1/1) ... [2022-11-22 01:08:18,275 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:17" (1/1) ... [2022-11-22 01:08:18,277 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:17" (1/1) ... [2022-11-22 01:08:18,791 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:17" (1/1) ... [2022-11-22 01:08:18,946 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:17" (1/1) ... [2022-11-22 01:08:19,036 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:17" (1/1) ... [2022-11-22 01:08:19,086 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:17" (1/1) ... [2022-11-22 01:08:19,238 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 01:08:19,239 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 01:08:19,239 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 01:08:19,239 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 01:08:19,240 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:17" (1/1) ... [2022-11-22 01:08:19,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:08:19,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf0d6db3-5c61-4e03-b2fc-c7253b08b7a5/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:08:19,336 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf0d6db3-5c61-4e03-b2fc-c7253b08b7a5/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 01:08:19,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf0d6db3-5c61-4e03-b2fc-c7253b08b7a5/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 01:08:19,458 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2022-11-22 01:08:19,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2022-11-22 01:08:19,458 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-11-22 01:08:19,459 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-11-22 01:08:19,459 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-11-22 01:08:19,459 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_irq [2022-11-22 01:08:19,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_irq [2022-11-22 01:08:19,459 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_both_serdes [2022-11-22 01:08:19,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_both_serdes [2022-11-22 01:08:19,459 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_xgmac_reg [2022-11-22 01:08:19,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_xgmac_reg [2022-11-22 01:08:19,460 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_reset [2022-11-22 01:08:19,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_reset [2022-11-22 01:08:19,460 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2022-11-22 01:08:19,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2022-11-22 01:08:19,460 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_cpu [2022-11-22 01:08:19,460 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_cpu [2022-11-22 01:08:19,460 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-22 01:08:19,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-22 01:08:19,461 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-22 01:08:19,461 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-22 01:08:19,461 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-22 01:08:19,461 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-22 01:08:19,461 INFO L130 BoogieDeclarations]: Found specification of procedure PageTail [2022-11-22 01:08:19,461 INFO L138 BoogieDeclarations]: Found implementation of procedure PageTail [2022-11-22 01:08:19,461 INFO L130 BoogieDeclarations]: Found specification of procedure ql_release_all [2022-11-22 01:08:19,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_release_all [2022-11-22 01:08:19,462 INFO L130 BoogieDeclarations]: Found specification of procedure skb_checksum_none_assert [2022-11-22 01:08:19,462 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_checksum_none_assert [2022-11-22 01:08:19,462 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-22 01:08:19,462 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-22 01:08:19,462 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-22 01:08:19,462 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-22 01:08:19,462 INFO L130 BoogieDeclarations]: Found specification of procedure ql_dump_risc_ram_area [2022-11-22 01:08:19,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_dump_risc_ram_area [2022-11-22 01:08:19,462 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_other_func_reg [2022-11-22 01:08:19,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_other_func_reg [2022-11-22 01:08:19,463 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-11-22 01:08:19,463 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-11-22 01:08:19,463 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-22 01:08:19,463 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-22 01:08:19,463 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_xgmac_regs [2022-11-22 01:08:19,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_xgmac_regs [2022-11-22 01:08:19,464 INFO L130 BoogieDeclarations]: Found specification of procedure ql_update_buffer_queues [2022-11-22 01:08:19,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_update_buffer_queues [2022-11-22 01:08:19,464 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_cam_entries [2022-11-22 01:08:19,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_cam_entries [2022-11-22 01:08:19,464 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_mem_resources [2022-11-22 01:08:19,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_mem_resources [2022-11-22 01:08:19,464 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-11-22 01:08:19,464 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-11-22 01:08:19,464 INFO L130 BoogieDeclarations]: Found specification of procedure ql_eeh_close [2022-11-22 01:08:19,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_eeh_close [2022-11-22 01:08:19,465 INFO L130 BoogieDeclarations]: Found specification of procedure netif_receive_skb [2022-11-22 01:08:19,465 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_receive_skb [2022-11-22 01:08:19,465 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-22 01:08:19,465 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-22 01:08:19,465 INFO L130 BoogieDeclarations]: Found specification of procedure skb_record_rx_queue [2022-11-22 01:08:19,465 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_record_rx_queue [2022-11-22 01:08:19,465 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2022-11-22 01:08:19,466 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2022-11-22 01:08:19,466 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-22 01:08:19,466 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-22 01:08:19,466 INFO L130 BoogieDeclarations]: Found specification of procedure ql_build_coredump_seg_header [2022-11-22 01:08:19,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_build_coredump_seg_header [2022-11-22 01:08:19,466 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_close [2022-11-22 01:08:19,466 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_close [2022-11-22 01:08:19,466 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_mb_sts [2022-11-22 01:08:19,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_mb_sts [2022-11-22 01:08:19,467 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-22 01:08:19,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-22 01:08:19,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-22 01:08:19,467 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-11-22 01:08:19,467 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-11-22 01:08:19,467 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_offset [2022-11-22 01:08:19,467 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_offset [2022-11-22 01:08:19,467 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-22 01:08:19,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-22 01:08:19,468 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2022-11-22 01:08:19,468 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2022-11-22 01:08:19,468 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-11-22 01:08:19,468 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-11-22 01:08:19,468 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write32 [2022-11-22 01:08:19,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write32 [2022-11-22 01:08:19,468 INFO L130 BoogieDeclarations]: Found specification of procedure ql_cam_route_initialize [2022-11-22 01:08:19,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_cam_route_initialize [2022-11-22 01:08:19,469 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-22 01:08:19,469 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-22 01:08:19,469 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-22 01:08:19,469 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-22 01:08:19,469 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_other_func_reg_rdy [2022-11-22 01:08:19,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_other_func_reg_rdy [2022-11-22 01:08:19,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-22 01:08:19,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-22 01:08:19,469 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-22 01:08:19,470 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_mpi_reg [2022-11-22 01:08:19,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_mpi_reg [2022-11-22 01:08:19,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-22 01:08:19,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-22 01:08:19,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-22 01:08:19,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-22 01:08:19,480 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-11-22 01:08:19,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-11-22 01:08:19,480 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-11-22 01:08:19,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-11-22 01:08:19,480 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 01:08:19,480 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-22 01:08:19,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-22 01:08:19,480 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-22 01:08:19,480 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-22 01:08:19,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-22 01:08:19,481 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-22 01:08:19,481 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_unlock [2022-11-22 01:08:19,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_unlock [2022-11-22 01:08:19,481 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_8012_flash_params [2022-11-22 01:08:19,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_8012_flash_params [2022-11-22 01:08:19,481 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-22 01:08:19,481 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-22 01:08:19,481 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_other_func_serdes_reg [2022-11-22 01:08:19,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_other_func_serdes_reg [2022-11-22 01:08:19,482 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-22 01:08:19,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-22 01:08:19,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_hw_lock_of_ql_adapter [2022-11-22 01:08:19,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_hw_lock_of_ql_adapter [2022-11-22 01:08:19,482 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-22 01:08:19,482 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-22 01:08:19,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-22 01:08:19,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-22 01:08:19,482 INFO L130 BoogieDeclarations]: Found specification of procedure ql_8000_port_initialize [2022-11-22 01:08:19,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_8000_port_initialize [2022-11-22 01:08:19,483 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-22 01:08:19,483 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-22 01:08:19,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_hw_lock_of_ql_adapter [2022-11-22 01:08:19,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_hw_lock_of_ql_adapter [2022-11-22 01:08:19,483 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 01:08:19,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 01:08:19,483 INFO L130 BoogieDeclarations]: Found specification of procedure ql_8012_port_initialize [2022-11-22 01:08:19,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_8012_port_initialize [2022-11-22 01:08:19,484 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_flash_word [2022-11-22 01:08:19,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_flash_word [2022-11-22 01:08:19,484 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-22 01:08:19,484 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-22 01:08:19,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-22 01:08:19,484 INFO L130 BoogieDeclarations]: Found specification of procedure csum_tcpudp_magic [2022-11-22 01:08:19,484 INFO L138 BoogieDeclarations]: Found implementation of procedure csum_tcpudp_magic [2022-11-22 01:08:19,484 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-22 01:08:19,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-22 01:08:19,485 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2022-11-22 01:08:19,485 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2022-11-22 01:08:19,485 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-22 01:08:19,485 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-22 01:08:19,485 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-22 01:08:19,485 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_cq_idx [2022-11-22 01:08:19,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_cq_idx [2022-11-22 01:08:19,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-22 01:08:19,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-22 01:08:19,486 INFO L130 BoogieDeclarations]: Found specification of procedure ql_link_on [2022-11-22 01:08:19,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_link_on [2022-11-22 01:08:19,486 INFO L130 BoogieDeclarations]: Found specification of procedure napi_gro_receive [2022-11-22 01:08:19,486 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_gro_receive [2022-11-22 01:08:19,486 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-22 01:08:19,486 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-22 01:08:19,486 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2022-11-22 01:08:19,486 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2022-11-22 01:08:19,487 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-11-22 01:08:19,487 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-11-22 01:08:19,487 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2022-11-22 01:08:19,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2022-11-22 01:08:19,487 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-22 01:08:19,487 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-22 01:08:19,487 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-11-22 01:08:19,487 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-11-22 01:08:19,487 INFO L130 BoogieDeclarations]: Found specification of procedure ql_update_cq [2022-11-22 01:08:19,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_update_cq [2022-11-22 01:08:19,488 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-11-22 01:08:19,488 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-11-22 01:08:19,488 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-22 01:08:19,488 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-22 01:08:19,488 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-22 01:08:19,488 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_curr_sbuf [2022-11-22 01:08:19,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_curr_sbuf [2022-11-22 01:08:19,488 INFO L130 BoogieDeclarations]: Found specification of procedure ql_realign_skb [2022-11-22 01:08:19,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_realign_skb [2022-11-22 01:08:19,489 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_routing_entries [2022-11-22 01:08:19,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_routing_entries [2022-11-22 01:08:19,489 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-22 01:08:19,489 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2022-11-22 01:08:19,489 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2022-11-22 01:08:19,489 INFO L130 BoogieDeclarations]: Found specification of procedure ql_process_mac_split_rx_intr [2022-11-22 01:08:19,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_process_mac_split_rx_intr [2022-11-22 01:08:19,490 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_suspend [2022-11-22 01:08:19,490 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_suspend [2022-11-22 01:08:19,490 INFO L130 BoogieDeclarations]: Found specification of procedure __vlan_hwaccel_put_tag [2022-11-22 01:08:19,490 INFO L138 BoogieDeclarations]: Found implementation of procedure __vlan_hwaccel_put_tag [2022-11-22 01:08:19,490 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-11-22 01:08:19,490 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-11-22 01:08:19,490 INFO L130 BoogieDeclarations]: Found specification of procedure ql_cancel_all_work_sync [2022-11-22 01:08:19,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_cancel_all_work_sync [2022-11-22 01:08:19,490 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-22 01:08:19,491 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-22 01:08:19,491 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-22 01:08:19,491 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-22 01:08:19,491 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2022-11-22 01:08:19,491 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2022-11-22 01:08:19,491 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2022-11-22 01:08:19,491 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2022-11-22 01:08:19,491 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-11-22 01:08:19,491 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-11-22 01:08:19,492 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-22 01:08:19,492 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-22 01:08:19,492 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2022-11-22 01:08:19,492 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2022-11-22 01:08:19,492 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-22 01:08:19,492 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-22 01:08:19,492 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_get_port_cfg [2022-11-22 01:08:19,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_get_port_cfg [2022-11-22 01:08:19,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-22 01:08:19,493 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2022-11-22 01:08:19,493 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2022-11-22 01:08:19,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-22 01:08:19,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-22 01:08:19,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_80 [2022-11-22 01:08:19,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_80 [2022-11-22 01:08:19,493 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_down [2022-11-22 01:08:19,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_down [2022-11-22 01:08:19,494 INFO L130 BoogieDeclarations]: Found specification of procedure ql_queue_fw_error [2022-11-22 01:08:19,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_queue_fw_error [2022-11-22 01:08:19,494 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mpi_handler [2022-11-22 01:08:19,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mpi_handler [2022-11-22 01:08:19,494 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_xgmac_reg64 [2022-11-22 01:08:19,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_xgmac_reg64 [2022-11-22 01:08:19,518 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-11-22 01:08:19,518 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-11-22 01:08:19,519 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_set_mgmnt_traffic_ctl [2022-11-22 01:08:19,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_set_mgmnt_traffic_ctl [2022-11-22 01:08:19,519 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_other_func_reg [2022-11-22 01:08:19,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_other_func_reg [2022-11-22 01:08:19,519 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_reg_rdy [2022-11-22 01:08:19,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_reg_rdy [2022-11-22 01:08:19,519 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-11-22 01:08:19,519 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-11-22 01:08:19,519 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_set_led_cfg [2022-11-22 01:08:19,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_set_led_cfg [2022-11-22 01:08:19,520 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_cfg [2022-11-22 01:08:19,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_cfg [2022-11-22 01:08:19,520 INFO L130 BoogieDeclarations]: Found specification of procedure ql_lbq_block_size [2022-11-22 01:08:19,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_lbq_block_size [2022-11-22 01:08:19,520 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-22 01:08:19,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-22 01:08:19,520 INFO L130 BoogieDeclarations]: Found specification of procedure netif_get_num_default_rss_queues [2022-11-22 01:08:19,520 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_get_num_default_rss_queues [2022-11-22 01:08:19,520 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_ets_regs [2022-11-22 01:08:19,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_ets_regs [2022-11-22 01:08:19,521 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_cfg [2022-11-22 01:08:19,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_cfg [2022-11-22 01:08:19,521 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-22 01:08:19,521 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-22 01:08:19,521 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2022-11-22 01:08:19,521 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read32 [2022-11-22 01:08:19,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read32 [2022-11-22 01:08:19,521 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_intr_states [2022-11-22 01:08:19,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_intr_states [2022-11-22 01:08:19,521 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_device [2022-11-22 01:08:19,522 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_device [2022-11-22 01:08:19,522 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-22 01:08:19,522 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-22 01:08:19,522 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-22 01:08:19,522 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-22 01:08:19,522 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-11-22 01:08:19,522 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-11-22 01:08:19,522 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2022-11-22 01:08:19,522 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2022-11-22 01:08:19,522 INFO L130 BoogieDeclarations]: Found specification of procedure ql_enable_completion_interrupt [2022-11-22 01:08:19,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_enable_completion_interrupt [2022-11-22 01:08:19,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-22 01:08:19,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-22 01:08:19,523 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-22 01:08:19,523 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-22 01:08:19,523 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_send [2022-11-22 01:08:19,523 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_send [2022-11-22 01:08:19,523 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2022-11-22 01:08:19,523 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2022-11-22 01:08:19,523 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-22 01:08:19,523 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-22 01:08:19,524 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_del [2022-11-22 01:08:19,524 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_del [2022-11-22 01:08:19,524 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-11-22 01:08:19,524 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-11-22 01:08:19,524 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_regs_len [2022-11-22 01:08:19,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_regs_len [2022-11-22 01:08:19,524 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_io_resume [2022-11-22 01:08:19,524 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_io_resume [2022-11-22 01:08:19,524 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-22 01:08:19,524 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-22 01:08:19,525 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_shutdown [2022-11-22 01:08:19,525 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_shutdown [2022-11-22 01:08:19,525 INFO L130 BoogieDeclarations]: Found specification of procedure ql_update_mac_hdr_len [2022-11-22 01:08:19,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_update_mac_hdr_len [2022-11-22 01:08:19,525 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mailbox_command [2022-11-22 01:08:19,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mailbox_command [2022-11-22 01:08:19,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-22 01:08:19,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-22 01:08:19,525 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_irq_mask [2022-11-22 01:08:19,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_irq_mask [2022-11-22 01:08:19,526 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-22 01:08:19,526 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-22 01:08:19,526 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-22 01:08:19,526 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-22 01:08:19,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-22 01:08:19,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-22 01:08:19,526 INFO L130 BoogieDeclarations]: Found specification of procedure __qlge_vlan_rx_add_vid [2022-11-22 01:08:19,527 INFO L138 BoogieDeclarations]: Found implementation of procedure __qlge_vlan_rx_add_vid [2022-11-22 01:08:19,527 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-11-22 01:08:19,527 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-11-22 01:08:19,527 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 01:08:19,527 INFO L130 BoogieDeclarations]: Found specification of procedure ql_queue_asic_error [2022-11-22 01:08:19,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_queue_asic_error [2022-11-22 01:08:19,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2022-11-22 01:08:19,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2022-11-22 01:08:19,527 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_xgmac_reg [2022-11-22 01:08:19,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_xgmac_reg [2022-11-22 01:08:19,528 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_up [2022-11-22 01:08:19,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_up [2022-11-22 01:08:19,528 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-22 01:08:19,528 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-22 01:08:19,528 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_mac_addr_reg [2022-11-22 01:08:19,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_mac_addr_reg [2022-11-22 01:08:19,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_qlge_driver_exit_16_2 [2022-11-22 01:08:19,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_qlge_driver_exit_16_2 [2022-11-22 01:08:19,529 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2022-11-22 01:08:19,529 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2022-11-22 01:08:19,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-22 01:08:19,529 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_serdes_reg [2022-11-22 01:08:19,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_serdes_reg [2022-11-22 01:08:19,529 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-22 01:08:19,529 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-22 01:08:19,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-22 01:08:19,529 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_open [2022-11-22 01:08:19,530 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_open [2022-11-22 01:08:19,530 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-22 01:08:19,530 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-22 01:08:19,530 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-22 01:08:19,530 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-22 01:08:19,530 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-22 01:08:19,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-22 01:08:19,530 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-22 01:08:19,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-22 01:08:19,531 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_probe [2022-11-22 01:08:19,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_probe [2022-11-22 01:08:19,531 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_rx_buffers [2022-11-22 01:08:19,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_rx_buffers [2022-11-22 01:08:19,531 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_trylock [2022-11-22 01:08:19,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_trylock [2022-11-22 01:08:19,531 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mb_set_port_cfg [2022-11-22 01:08:19,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mb_set_port_cfg [2022-11-22 01:08:19,532 INFO L130 BoogieDeclarations]: Found specification of procedure __get_order [2022-11-22 01:08:19,532 INFO L138 BoogieDeclarations]: Found implementation of procedure __get_order [2022-11-22 01:08:19,532 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_spinlock [2022-11-22 01:08:19,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_spinlock [2022-11-22 01:08:19,532 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-22 01:08:19,532 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-22 01:08:19,532 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-22 01:08:19,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-22 01:08:19,532 INFO L130 BoogieDeclarations]: Found specification of procedure ql_disable_completion_interrupt [2022-11-22 01:08:19,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_disable_completion_interrupt [2022-11-22 01:08:19,533 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_fill_page_desc [2022-11-22 01:08:19,533 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_fill_page_desc [2022-11-22 01:08:19,533 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-22 01:08:19,533 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-22 01:08:19,533 INFO L130 BoogieDeclarations]: Found specification of procedure ql_clear_routing_entries [2022-11-22 01:08:19,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_clear_routing_entries [2022-11-22 01:08:19,533 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-11-22 01:08:19,533 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-11-22 01:08:19,533 INFO L130 BoogieDeclarations]: Found specification of procedure ql_link_off [2022-11-22 01:08:19,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_link_off [2022-11-22 01:08:19,534 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-22 01:08:19,534 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-22 01:08:19,534 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2022-11-22 01:08:19,534 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2022-11-22 01:08:19,534 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_tx_timeout [2022-11-22 01:08:19,550 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_tx_timeout [2022-11-22 01:08:19,550 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2022-11-22 01:08:19,551 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2022-11-22 01:08:19,551 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_mpi_regs [2022-11-22 01:08:19,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_mpi_regs [2022-11-22 01:08:19,551 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-22 01:08:19,551 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-22 01:08:19,551 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-11-22 01:08:19,551 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-11-22 01:08:19,551 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_subqueue [2022-11-22 01:08:19,551 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_subqueue [2022-11-22 01:08:19,551 INFO L130 BoogieDeclarations]: Found specification of procedure ql_release_adapter_resources [2022-11-22 01:08:19,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_release_adapter_resources [2022-11-22 01:08:19,552 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-22 01:08:19,552 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-22 01:08:19,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-22 01:08:19,552 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-11-22 01:08:19,552 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-11-22 01:08:19,552 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_rx_resources [2022-11-22 01:08:19,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_rx_resources [2022-11-22 01:08:19,552 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-22 01:08:19,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-22 01:08:19,553 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-11-22 01:08:19,553 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-11-22 01:08:19,553 INFO L130 BoogieDeclarations]: Found specification of procedure ql_disable_interrupts [2022-11-22 01:08:19,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_disable_interrupts [2022-11-22 01:08:19,553 INFO L130 BoogieDeclarations]: Found specification of procedure ql_soft_reset_mpi_risc [2022-11-22 01:08:19,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_soft_reset_mpi_risc [2022-11-22 01:08:19,553 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-11-22 01:08:19,553 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-11-22 01:08:19,553 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_remove [2022-11-22 01:08:19,554 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_remove [2022-11-22 01:08:19,554 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_set_multicast_list [2022-11-22 01:08:19,554 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_set_multicast_list [2022-11-22 01:08:19,554 INFO L130 BoogieDeclarations]: Found specification of procedure ql_tx_ring_clean [2022-11-22 01:08:19,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_tx_ring_clean [2022-11-22 01:08:19,554 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-22 01:08:19,554 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-22 01:08:19,554 INFO L130 BoogieDeclarations]: Found specification of procedure skb_fill_page_desc [2022-11-22 01:08:19,554 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_fill_page_desc [2022-11-22 01:08:19,555 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_mpi_reg [2022-11-22 01:08:19,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_mpi_reg [2022-11-22 01:08:19,555 INFO L130 BoogieDeclarations]: Found specification of procedure ql_clean_inbound_rx_ring [2022-11-22 01:08:19,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_clean_inbound_rx_ring [2022-11-22 01:08:19,555 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_subqueue [2022-11-22 01:08:19,555 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_subqueue [2022-11-22 01:08:19,555 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-22 01:08:19,555 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-22 01:08:19,555 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-11-22 01:08:19,556 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-11-22 01:08:19,556 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-11-22 01:08:19,556 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-11-22 01:08:19,556 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-22 01:08:19,556 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-22 01:08:19,556 INFO L130 BoogieDeclarations]: Found specification of procedure __pskb_pull_tail [2022-11-22 01:08:19,556 INFO L138 BoogieDeclarations]: Found implementation of procedure __pskb_pull_tail [2022-11-22 01:08:19,556 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-11-22 01:08:19,556 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-11-22 01:08:19,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-22 01:08:19,557 INFO L130 BoogieDeclarations]: Found specification of procedure ql_validate_flash [2022-11-22 01:08:19,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_validate_flash [2022-11-22 01:08:19,557 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-22 01:08:19,557 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-22 01:08:19,557 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2022-11-22 01:08:19,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2022-11-22 01:08:19,557 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-22 01:08:19,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-22 01:08:19,557 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-11-22 01:08:19,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-11-22 01:08:19,558 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_8000_flash_params [2022-11-22 01:08:19,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_8000_flash_params [2022-11-22 01:08:19,558 INFO L130 BoogieDeclarations]: Found specification of procedure ql_check_lb_frame [2022-11-22 01:08:19,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_check_lb_frame [2022-11-22 01:08:19,558 INFO L130 BoogieDeclarations]: Found specification of procedure ql_categorize_rx_err [2022-11-22 01:08:19,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_categorize_rx_err [2022-11-22 01:08:19,558 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-22 01:08:19,558 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-22 01:08:19,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_79 [2022-11-22 01:08:19,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_79 [2022-11-22 01:08:19,559 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_initialize [2022-11-22 01:08:19,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_initialize [2022-11-22 01:08:19,559 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-11-22 01:08:19,559 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-11-22 01:08:19,559 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_sh_reg [2022-11-22 01:08:19,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_sh_reg [2022-11-22 01:08:19,559 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-11-22 01:08:19,560 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-11-22 01:08:19,560 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_db_reg [2022-11-22 01:08:19,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_db_reg [2022-11-22 01:08:19,560 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-22 01:08:19,560 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-22 01:08:19,560 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-22 01:08:19,560 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-22 01:08:19,560 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-22 01:08:19,560 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-22 01:08:19,560 INFO L130 BoogieDeclarations]: Found specification of procedure ql_unmap_send [2022-11-22 01:08:19,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_unmap_send [2022-11-22 01:08:19,561 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-22 01:08:19,561 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-22 01:08:19,561 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_routing_reg [2022-11-22 01:08:19,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_routing_reg [2022-11-22 01:08:19,561 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-11-22 01:08:19,561 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-11-22 01:08:19,561 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-22 01:08:19,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-22 01:08:19,561 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_mac_addr_reg [2022-11-22 01:08:19,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_mac_addr_reg [2022-11-22 01:08:19,561 INFO L130 BoogieDeclarations]: Found specification of procedure ql_own_firmware [2022-11-22 01:08:19,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_own_firmware [2022-11-22 01:08:19,562 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-11-22 01:08:19,562 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-11-22 01:08:19,562 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_curr_lchunk [2022-11-22 01:08:19,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_curr_lchunk [2022-11-22 01:08:19,562 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-22 01:08:19,562 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-22 01:08:19,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 01:08:19,562 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_mac_addr [2022-11-22 01:08:19,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_mac_addr [2022-11-22 01:08:19,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-22 01:08:19,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-22 01:08:19,563 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_trap [2022-11-22 01:08:19,563 INFO L138 BoogieDeclarations]: Found implementation of procedure netpoll_trap [2022-11-22 01:08:19,563 INFO L130 BoogieDeclarations]: Found specification of procedure qlge_resume [2022-11-22 01:08:19,563 INFO L138 BoogieDeclarations]: Found implementation of procedure qlge_resume [2022-11-22 01:08:19,563 INFO L130 BoogieDeclarations]: Found specification of procedure ql_core_dump [2022-11-22 01:08:19,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_core_dump [2022-11-22 01:08:21,591 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 01:08:21,601 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 01:08:21,776 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-22 01:08:43,329 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-22 01:08:44,687 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 01:08:51,209 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 01:08:51,210 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-11-22 01:08:51,221 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:08:51 BoogieIcfgContainer [2022-11-22 01:08:51,221 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 01:08:51,223 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 01:08:51,223 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 01:08:51,227 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 01:08:51,227 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:08:08" (1/3) ... [2022-11-22 01:08:51,228 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4517ec55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:08:51, skipping insertion in model container [2022-11-22 01:08:51,228 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:08:17" (2/3) ... [2022-11-22 01:08:51,228 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4517ec55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:08:51, skipping insertion in model container [2022-11-22 01:08:51,228 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:08:51" (3/3) ... [2022-11-22 01:08:51,230 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qlge-qlge.cil.i [2022-11-22 01:08:51,257 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 01:08:51,257 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-11-22 01:08:51,410 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 01:08:51,418 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;@4db14d69, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 01:08:51,418 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-11-22 01:08:51,433 INFO L276 IsEmpty]: Start isEmpty. Operand has 3796 states, 2276 states have (on average 1.3172231985940246) internal successors, (2998), 2341 states have internal predecessors, (2998), 1275 states have call successors, (1275), 243 states have call predecessors, (1275), 242 states have return successors, (1268), 1252 states have call predecessors, (1268), 1268 states have call successors, (1268) [2022-11-22 01:08:51,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2022-11-22 01:08:51,457 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:08:51,458 INFO L195 NwaCegarLoop]: trace histogram [19, 18, 18, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:08:51,459 INFO L420 AbstractCegarLoop]: === Iteration 1 === 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-22 01:08:51,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:08:51,465 INFO L85 PathProgramCache]: Analyzing trace with hash 649609414, now seen corresponding path program 1 times [2022-11-22 01:08:51,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:08:51,476 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622182893] [2022-11-22 01:08:51,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:08:51,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:08:52,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:08:53,353 INFO L134 CoverageAnalysis]: Checked inductivity of 1260 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1260 trivial. 0 not checked. [2022-11-22 01:08:53,354 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:08:53,358 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622182893] [2022-11-22 01:08:53,359 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [622182893] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:08:53,359 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:08:53,359 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:08:53,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996240583] [2022-11-22 01:08:53,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:08:53,366 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:08:53,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:08:53,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:08:53,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:08:53,428 INFO L87 Difference]: Start difference. First operand has 3796 states, 2276 states have (on average 1.3172231985940246) internal successors, (2998), 2341 states have internal predecessors, (2998), 1275 states have call successors, (1275), 243 states have call predecessors, (1275), 242 states have return successors, (1268), 1252 states have call predecessors, (1268), 1268 states have call successors, (1268) Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-11-22 01:08:57,148 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:09:00,381 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:09:05,574 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:09:07,326 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:09:08,688 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:09:13,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:09:13,575 INFO L93 Difference]: Finished difference Result 11191 states and 16475 transitions. [2022-11-22 01:09:13,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:09:13,578 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 201 [2022-11-22 01:09:13,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:09:13,651 INFO L225 Difference]: With dead ends: 11191 [2022-11-22 01:09:13,652 INFO L226 Difference]: Without dead ends: 7416 [2022-11-22 01:09:13,678 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 [2022-11-22 01:09:13,681 INFO L413 NwaCegarLoop]: 6272 mSDtfsCounter, 5338 mSDsluCounter, 4778 mSDsCounter, 0 mSdLazyCounter, 1573 mSolverCounterSat, 5 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5340 SdHoareTripleChecker+Valid, 11050 SdHoareTripleChecker+Invalid, 1581 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1573 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.5s IncrementalHoareTripleChecker+Time [2022-11-22 01:09:13,682 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5340 Valid, 11050 Invalid, 1581 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5 Valid, 1573 Invalid, 3 Unknown, 0 Unchecked, 19.5s Time] [2022-11-22 01:09:13,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7416 states. [2022-11-22 01:09:14,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7416 to 7383. [2022-11-22 01:09:14,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7383 states, 4443 states have (on average 1.317128066621652) internal successors, (5852), 4580 states have internal predecessors, (5852), 2461 states have call successors, (2461), 478 states have call predecessors, (2461), 476 states have return successors, (2499), 2416 states have call predecessors, (2499), 2457 states have call successors, (2499) [2022-11-22 01:09:14,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7383 states to 7383 states and 10812 transitions. [2022-11-22 01:09:14,278 INFO L78 Accepts]: Start accepts. Automaton has 7383 states and 10812 transitions. Word has length 201 [2022-11-22 01:09:14,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:09:14,283 INFO L495 AbstractCegarLoop]: Abstraction has 7383 states and 10812 transitions. [2022-11-22 01:09:14,283 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-11-22 01:09:14,283 INFO L276 IsEmpty]: Start isEmpty. Operand 7383 states and 10812 transitions. [2022-11-22 01:09:14,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2022-11-22 01:09:14,296 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:09:14,296 INFO L195 NwaCegarLoop]: trace histogram [19, 18, 18, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:09:14,296 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-22 01:09:14,297 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-22 01:09:14,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:09:14,297 INFO L85 PathProgramCache]: Analyzing trace with hash 621856545, now seen corresponding path program 1 times [2022-11-22 01:09:14,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:09:14,298 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096270107] [2022-11-22 01:09:14,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:09:14,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:09:14,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:09:15,234 INFO L134 CoverageAnalysis]: Checked inductivity of 1260 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1260 trivial. 0 not checked. [2022-11-22 01:09:15,235 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:09:15,235 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096270107] [2022-11-22 01:09:15,235 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2096270107] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:09:15,235 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:09:15,236 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:09:15,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51494921] [2022-11-22 01:09:15,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:09:15,238 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:09:15,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:09:15,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:09:15,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:09:15,240 INFO L87 Difference]: Start difference. First operand 7383 states and 10812 transitions. 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, (23), 2 states have call predecessors, (23), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-11-22 01:09:19,003 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:09:21,755 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:09:24,441 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:09:29,115 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:09:30,953 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:09:31,958 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:09:38,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:09:38,383 INFO L93 Difference]: Finished difference Result 21968 states and 32180 transitions. [2022-11-22 01:09:38,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:09:38,384 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, (23), 2 states have call predecessors, (23), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 201 [2022-11-22 01:09:38,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:09:38,488 INFO L225 Difference]: With dead ends: 21968 [2022-11-22 01:09:38,488 INFO L226 Difference]: Without dead ends: 14622 [2022-11-22 01:09:38,533 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 [2022-11-22 01:09:38,534 INFO L413 NwaCegarLoop]: 6291 mSDtfsCounter, 5348 mSDsluCounter, 4720 mSDsCounter, 0 mSdLazyCounter, 1593 mSolverCounterSat, 7 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5354 SdHoareTripleChecker+Valid, 11011 SdHoareTripleChecker+Invalid, 1604 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1593 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.4s IncrementalHoareTripleChecker+Time [2022-11-22 01:09:38,534 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5354 Valid, 11011 Invalid, 1604 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 1593 Invalid, 4 Unknown, 0 Unchecked, 22.4s Time] [2022-11-22 01:09:38,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14622 states. [2022-11-22 01:09:39,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14622 to 14616. [2022-11-22 01:09:39,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14616 states, 8816 states have (on average 1.3170372050816697) internal successors, (11611), 9084 states have internal predecessors, (11611), 4848 states have call successors, (4848), 952 states have call predecessors, (4848), 949 states have return successors, (4946), 4763 states have call predecessors, (4946), 4844 states have call successors, (4946) [2022-11-22 01:09:39,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14616 states to 14616 states and 21405 transitions. [2022-11-22 01:09:39,562 INFO L78 Accepts]: Start accepts. Automaton has 14616 states and 21405 transitions. Word has length 201 [2022-11-22 01:09:39,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:09:39,563 INFO L495 AbstractCegarLoop]: Abstraction has 14616 states and 21405 transitions. [2022-11-22 01:09:39,564 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, (23), 2 states have call predecessors, (23), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-11-22 01:09:39,565 INFO L276 IsEmpty]: Start isEmpty. Operand 14616 states and 21405 transitions. [2022-11-22 01:09:39,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2022-11-22 01:09:39,570 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:09:39,571 INFO L195 NwaCegarLoop]: trace histogram [19, 18, 18, 18, 18, 18, 18, 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] [2022-11-22 01:09:39,571 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-22 01:09:39,571 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-22 01:09:39,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:09:39,573 INFO L85 PathProgramCache]: Analyzing trace with hash 2016262394, now seen corresponding path program 1 times [2022-11-22 01:09:39,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:09:39,573 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776394173] [2022-11-22 01:09:39,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:09:39,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:09:39,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:09:40,333 INFO L134 CoverageAnalysis]: Checked inductivity of 1263 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1263 trivial. 0 not checked. [2022-11-22 01:09:40,334 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:09:40,334 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [776394173] [2022-11-22 01:09:40,334 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [776394173] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:09:40,334 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:09:40,334 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:09:40,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786028408] [2022-11-22 01:09:40,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:09:40,336 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:09:40,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:09:40,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:09:40,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:09:40,339 INFO L87 Difference]: Start difference. First operand 14616 states and 21405 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, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-11-22 01:09:43,022 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:09:45,711 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:09:48,306 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:09:49,340 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:09:50,800 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:09:52,177 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:10:01,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:10:01,202 INFO L93 Difference]: Finished difference Result 37954 states and 55322 transitions. [2022-11-22 01:10:01,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:10:01,203 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, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 220 [2022-11-22 01:10:01,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:10:01,360 INFO L225 Difference]: With dead ends: 37954 [2022-11-22 01:10:01,360 INFO L226 Difference]: Without dead ends: 23375 [2022-11-22 01:10:01,451 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 [2022-11-22 01:10:01,452 INFO L413 NwaCegarLoop]: 5833 mSDtfsCounter, 3235 mSDsluCounter, 4695 mSDsCounter, 0 mSdLazyCounter, 1638 mSolverCounterSat, 7 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3241 SdHoareTripleChecker+Valid, 10528 SdHoareTripleChecker+Invalid, 1648 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1638 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.0s IncrementalHoareTripleChecker+Time [2022-11-22 01:10:01,452 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3241 Valid, 10528 Invalid, 1648 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1638 Invalid, 3 Unknown, 0 Unchecked, 20.0s Time] [2022-11-22 01:10:01,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23375 states. [2022-11-22 01:10:03,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23375 to 23336. [2022-11-22 01:10:03,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23336 states, 14080 states have (on average 1.310440340909091) internal successors, (18451), 14528 states have internal predecessors, (18451), 7620 states have call successors, (7620), 1642 states have call predecessors, (7620), 1633 states have return successors, (7830), 7469 states have call predecessors, (7830), 7616 states have call successors, (7830) [2022-11-22 01:10:03,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23336 states to 23336 states and 33901 transitions. [2022-11-22 01:10:03,599 INFO L78 Accepts]: Start accepts. Automaton has 23336 states and 33901 transitions. Word has length 220 [2022-11-22 01:10:03,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:10:03,601 INFO L495 AbstractCegarLoop]: Abstraction has 23336 states and 33901 transitions. [2022-11-22 01:10:03,602 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, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-11-22 01:10:03,602 INFO L276 IsEmpty]: Start isEmpty. Operand 23336 states and 33901 transitions. [2022-11-22 01:10:03,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2022-11-22 01:10:03,613 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:10:03,613 INFO L195 NwaCegarLoop]: trace histogram [22, 18, 18, 18, 18, 18, 18, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:10:03,613 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-22 01:10:03,614 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-22 01:10:03,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:10:03,614 INFO L85 PathProgramCache]: Analyzing trace with hash -627764084, now seen corresponding path program 1 times [2022-11-22 01:10:03,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:10:03,615 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886446713] [2022-11-22 01:10:03,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:10:03,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:10:04,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:10:05,385 INFO L134 CoverageAnalysis]: Checked inductivity of 1407 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1407 trivial. 0 not checked. [2022-11-22 01:10:05,386 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:10:05,386 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886446713] [2022-11-22 01:10:05,386 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1886446713] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:10:05,386 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:10:05,386 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 01:10:05,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953550622] [2022-11-22 01:10:05,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:10:05,387 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-22 01:10:05,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:10:05,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-22 01:10:05,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:10:05,389 INFO L87 Difference]: Start difference. First operand 23336 states and 33901 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-11-22 01:10:08,467 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:10:11,472 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:10:13,481 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:10:17,083 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:10:19,276 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:10:21,287 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:10:23,066 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:10:24,367 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:10:26,115 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:10:28,126 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:10:40,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:10:40,740 INFO L93 Difference]: Finished difference Result 26450 states and 38310 transitions. [2022-11-22 01:10:40,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 01:10:40,740 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 243 [2022-11-22 01:10:40,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:10:40,878 INFO L225 Difference]: With dead ends: 26450 [2022-11-22 01:10:40,878 INFO L226 Difference]: Without dead ends: 26448 [2022-11-22 01:10:40,894 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 [2022-11-22 01:10:40,894 INFO L413 NwaCegarLoop]: 5494 mSDtfsCounter, 5421 mSDsluCounter, 12849 mSDsCounter, 0 mSdLazyCounter, 2814 mSolverCounterSat, 1 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5440 SdHoareTripleChecker+Valid, 18343 SdHoareTripleChecker+Invalid, 2820 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2814 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.3s IncrementalHoareTripleChecker+Time [2022-11-22 01:10:40,895 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5440 Valid, 18343 Invalid, 2820 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2814 Invalid, 5 Unknown, 0 Unchecked, 34.3s Time] [2022-11-22 01:10:40,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26448 states. [2022-11-22 01:10:42,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26448 to 26443. [2022-11-22 01:10:42,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26443 states, 15985 states have (on average 1.3104785736628088) internal successors, (20948), 16500 states have internal predecessors, (20948), 8556 states have call successors, (8556), 1909 states have call predecessors, (8556), 1899 states have return successors, (8801), 8385 states have call predecessors, (8801), 8552 states have call successors, (8801) [2022-11-22 01:10:42,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26443 states to 26443 states and 38305 transitions. [2022-11-22 01:10:42,368 INFO L78 Accepts]: Start accepts. Automaton has 26443 states and 38305 transitions. Word has length 243 [2022-11-22 01:10:42,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:10:42,373 INFO L495 AbstractCegarLoop]: Abstraction has 26443 states and 38305 transitions. [2022-11-22 01:10:42,374 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-11-22 01:10:42,374 INFO L276 IsEmpty]: Start isEmpty. Operand 26443 states and 38305 transitions. [2022-11-22 01:10:42,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2022-11-22 01:10:42,391 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:10:42,391 INFO L195 NwaCegarLoop]: trace histogram [22, 18, 18, 18, 18, 18, 18, 5, 5, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:10:42,391 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-22 01:10:42,391 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-22 01:10:42,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:10:42,392 INFO L85 PathProgramCache]: Analyzing trace with hash 930154073, now seen corresponding path program 1 times [2022-11-22 01:10:42,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:10:42,392 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288259856] [2022-11-22 01:10:42,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:10:42,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:10:42,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:10:44,010 INFO L134 CoverageAnalysis]: Checked inductivity of 1417 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1415 trivial. 0 not checked. [2022-11-22 01:10:44,010 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:10:44,010 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [288259856] [2022-11-22 01:10:44,011 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [288259856] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:10:44,011 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:10:44,011 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 01:10:44,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978817056] [2022-11-22 01:10:44,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:10:44,012 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-22 01:10:44,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:10:44,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-22 01:10:44,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:10:44,013 INFO L87 Difference]: Start difference. First operand 26443 states and 38305 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-22 01:10:47,080 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:10:50,216 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:10:53,007 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:10:54,682 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:10:58,312 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:11:03,923 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:11:06,403 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 [] [2022-11-22 01:11:12,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:11:12,797 INFO L93 Difference]: Finished difference Result 26864 states and 38906 transitions. [2022-11-22 01:11:12,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 01:11:12,798 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 252 [2022-11-22 01:11:12,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:11:12,926 INFO L225 Difference]: With dead ends: 26864 [2022-11-22 01:11:12,926 INFO L226 Difference]: Without dead ends: 26862 [2022-11-22 01:11:12,942 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-22 01:11:12,944 INFO L413 NwaCegarLoop]: 5502 mSDtfsCounter, 5409 mSDsluCounter, 12882 mSDsCounter, 0 mSdLazyCounter, 2820 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5429 SdHoareTripleChecker+Valid, 18384 SdHoareTripleChecker+Invalid, 2825 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2820 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.7s IncrementalHoareTripleChecker+Time [2022-11-22 01:11:12,944 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5429 Valid, 18384 Invalid, 2825 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2820 Invalid, 4 Unknown, 0 Unchecked, 27.7s Time] [2022-11-22 01:11:12,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26862 states. [2022-11-22 01:11:14,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26862 to 26857. [2022-11-22 01:11:14,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26857 states, 16242 states have (on average 1.311661125477158) internal successors, (21304), 16769 states have internal predecessors, (21304), 8675 states have call successors, (8675), 1946 states have call predecessors, (8675), 1937 states have return successors, (8922), 8502 states have call predecessors, (8922), 8671 states have call successors, (8922) [2022-11-22 01:11:14,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26857 states to 26857 states and 38901 transitions. [2022-11-22 01:11:14,491 INFO L78 Accepts]: Start accepts. Automaton has 26857 states and 38901 transitions. Word has length 252 [2022-11-22 01:11:14,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:11:14,492 INFO L495 AbstractCegarLoop]: Abstraction has 26857 states and 38901 transitions. [2022-11-22 01:11:14,492 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-22 01:11:14,492 INFO L276 IsEmpty]: Start isEmpty. Operand 26857 states and 38901 transitions. [2022-11-22 01:11:14,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2022-11-22 01:11:14,502 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:11:14,502 INFO L195 NwaCegarLoop]: trace histogram [22, 18, 18, 18, 18, 18, 18, 5, 5, 3, 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] [2022-11-22 01:11:14,502 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-22 01:11:14,502 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-22 01:11:14,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:11:14,503 INFO L85 PathProgramCache]: Analyzing trace with hash -1758655885, now seen corresponding path program 1 times [2022-11-22 01:11:14,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:11:14,503 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828511142] [2022-11-22 01:11:14,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:11:14,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:11:14,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:11:16,047 INFO L134 CoverageAnalysis]: Checked inductivity of 1422 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1418 trivial. 0 not checked. [2022-11-22 01:11:16,047 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:11:16,047 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828511142] [2022-11-22 01:11:16,047 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1828511142] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:11:16,047 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:11:16,048 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 01:11:16,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585862495] [2022-11-22 01:11:16,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:11:16,049 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-22 01:11:16,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:11:16,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-22 01:11:16,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:11:16,050 INFO L87 Difference]: Start difference. First operand 26857 states and 38901 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-11-22 01:11:19,129 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:11:22,075 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:11:24,894 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:11:27,573 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:11:31,035 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:11:38,533 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:11:46,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:11:46,274 INFO L93 Difference]: Finished difference Result 26868 states and 38909 transitions. [2022-11-22 01:11:46,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 01:11:46,275 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 256 [2022-11-22 01:11:46,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:11:46,486 INFO L225 Difference]: With dead ends: 26868 [2022-11-22 01:11:46,487 INFO L226 Difference]: Without dead ends: 26866 [2022-11-22 01:11:46,499 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-22 01:11:46,500 INFO L413 NwaCegarLoop]: 5502 mSDtfsCounter, 5409 mSDsluCounter, 12882 mSDsCounter, 0 mSdLazyCounter, 2820 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5428 SdHoareTripleChecker+Valid, 18384 SdHoareTripleChecker+Invalid, 2825 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2820 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.9s IncrementalHoareTripleChecker+Time [2022-11-22 01:11:46,500 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5428 Valid, 18384 Invalid, 2825 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2820 Invalid, 4 Unknown, 0 Unchecked, 28.9s Time] [2022-11-22 01:11:46,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26866 states. [2022-11-22 01:11:47,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26866 to 26861. [2022-11-22 01:11:47,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26861 states, 16245 states have (on average 1.311603570329332) internal successors, (21307), 16772 states have internal predecessors, (21307), 8675 states have call successors, (8675), 1947 states have call predecessors, (8675), 1938 states have return successors, (8922), 8502 states have call predecessors, (8922), 8671 states have call successors, (8922) [2022-11-22 01:11:48,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26861 states to 26861 states and 38904 transitions. [2022-11-22 01:11:48,246 INFO L78 Accepts]: Start accepts. Automaton has 26861 states and 38904 transitions. Word has length 256 [2022-11-22 01:11:48,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:11:48,248 INFO L495 AbstractCegarLoop]: Abstraction has 26861 states and 38904 transitions. [2022-11-22 01:11:48,248 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-11-22 01:11:48,248 INFO L276 IsEmpty]: Start isEmpty. Operand 26861 states and 38904 transitions. [2022-11-22 01:11:48,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2022-11-22 01:11:48,259 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:11:48,259 INFO L195 NwaCegarLoop]: trace histogram [22, 18, 18, 18, 18, 18, 18, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:11:48,259 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-22 01:11:48,260 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-22 01:11:48,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:11:48,260 INFO L85 PathProgramCache]: Analyzing trace with hash -2050424204, now seen corresponding path program 1 times [2022-11-22 01:11:48,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:11:48,260 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492283549] [2022-11-22 01:11:48,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:11:48,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:11:48,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:11:49,690 INFO L134 CoverageAnalysis]: Checked inductivity of 1425 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1419 trivial. 0 not checked. [2022-11-22 01:11:49,690 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:11:49,690 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492283549] [2022-11-22 01:11:49,690 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [492283549] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:11:49,691 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:11:49,691 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 01:11:49,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958715210] [2022-11-22 01:11:49,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:11:49,693 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-22 01:11:49,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:11:49,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-22 01:11:49,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:11:49,694 INFO L87 Difference]: Start difference. First operand 26861 states and 38904 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-22 01:11:53,554 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:11:55,565 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:11:58,833 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:12:01,781 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:12:03,051 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:12:04,469 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:12:06,481 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:12:12,515 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:12:19,623 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:12:29,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:12:29,615 INFO L93 Difference]: Finished difference Result 52785 states and 77088 transitions. [2022-11-22 01:12:29,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-22 01:12:29,616 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 258 [2022-11-22 01:12:29,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:12:29,907 INFO L225 Difference]: With dead ends: 52785 [2022-11-22 01:12:29,907 INFO L226 Difference]: Without dead ends: 52783 [2022-11-22 01:12:29,940 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-22 01:12:29,942 INFO L413 NwaCegarLoop]: 6144 mSDtfsCounter, 5381 mSDsluCounter, 16904 mSDsCounter, 0 mSdLazyCounter, 3124 mSolverCounterSat, 3 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 36.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5395 SdHoareTripleChecker+Valid, 23048 SdHoareTripleChecker+Invalid, 3133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 3124 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.6s IncrementalHoareTripleChecker+Time [2022-11-22 01:12:29,943 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5395 Valid, 23048 Invalid, 3133 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 3124 Invalid, 6 Unknown, 0 Unchecked, 37.6s Time] [2022-11-22 01:12:30,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52783 states. [2022-11-22 01:12:32,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52783 to 52766. [2022-11-22 01:12:32,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52766 states, 31929 states have (on average 1.3121613580130915) internal successors, (41896), 32984 states have internal predecessors, (41896), 17040 states have call successors, (17040), 3827 states have call predecessors, (17040), 3794 states have return successors, (18136), 16667 states have call predecessors, (18136), 17032 states have call successors, (18136) [2022-11-22 01:12:33,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52766 states to 52766 states and 77072 transitions. [2022-11-22 01:12:33,131 INFO L78 Accepts]: Start accepts. Automaton has 52766 states and 77072 transitions. Word has length 258 [2022-11-22 01:12:33,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:12:33,132 INFO L495 AbstractCegarLoop]: Abstraction has 52766 states and 77072 transitions. [2022-11-22 01:12:33,132 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-22 01:12:33,133 INFO L276 IsEmpty]: Start isEmpty. Operand 52766 states and 77072 transitions. [2022-11-22 01:12:33,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2022-11-22 01:12:33,147 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:12:33,148 INFO L195 NwaCegarLoop]: trace histogram [22, 18, 18, 18, 18, 18, 18, 5, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:12:33,148 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-22 01:12:33,148 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-22 01:12:33,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:12:33,149 INFO L85 PathProgramCache]: Analyzing trace with hash -1963756020, now seen corresponding path program 1 times [2022-11-22 01:12:33,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:12:33,150 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141499810] [2022-11-22 01:12:33,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:12:33,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:12:33,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:12:35,009 INFO L134 CoverageAnalysis]: Checked inductivity of 1439 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2022-11-22 01:12:35,009 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:12:35,010 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141499810] [2022-11-22 01:12:35,010 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [141499810] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:12:35,010 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:12:35,010 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 01:12:35,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315304758] [2022-11-22 01:12:35,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:12:35,011 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-22 01:12:35,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:12:35,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-22 01:12:35,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:12:35,012 INFO L87 Difference]: Start difference. First operand 52766 states and 77072 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-11-22 01:12:38,432 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:12:41,594 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:12:44,571 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:12:46,588 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:12:49,787 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:12:54,230 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:13:04,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:13:04,809 INFO L93 Difference]: Finished difference Result 77342 states and 112197 transitions. [2022-11-22 01:13:04,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 01:13:04,810 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 263 [2022-11-22 01:13:04,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:13:05,252 INFO L225 Difference]: With dead ends: 77342 [2022-11-22 01:13:05,252 INFO L226 Difference]: Without dead ends: 77340 [2022-11-22 01:13:05,290 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-22 01:13:05,292 INFO L413 NwaCegarLoop]: 5475 mSDtfsCounter, 5398 mSDsluCounter, 12828 mSDsCounter, 0 mSdLazyCounter, 2787 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5415 SdHoareTripleChecker+Valid, 18303 SdHoareTripleChecker+Invalid, 2792 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2787 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.0s IncrementalHoareTripleChecker+Time [2022-11-22 01:13:05,293 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5415 Valid, 18303 Invalid, 2792 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2787 Invalid, 4 Unknown, 0 Unchecked, 26.0s Time] [2022-11-22 01:13:05,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77340 states. [2022-11-22 01:13:09,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77340 to 77334. [2022-11-22 01:13:09,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77334 states, 46983 states have (on average 1.3119213332481963) internal successors, (61638), 48582 states have internal predecessors, (61638), 24456 states have call successors, (24456), 5941 states have call predecessors, (24456), 5892 states have return successors, (26096), 23907 states have call predecessors, (26096), 24448 states have call successors, (26096) [2022-11-22 01:13:10,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77334 states to 77334 states and 112190 transitions. [2022-11-22 01:13:10,129 INFO L78 Accepts]: Start accepts. Automaton has 77334 states and 112190 transitions. Word has length 263 [2022-11-22 01:13:10,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:13:10,130 INFO L495 AbstractCegarLoop]: Abstraction has 77334 states and 112190 transitions. [2022-11-22 01:13:10,130 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-11-22 01:13:10,130 INFO L276 IsEmpty]: Start isEmpty. Operand 77334 states and 112190 transitions. [2022-11-22 01:13:10,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2022-11-22 01:13:10,145 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:13:10,146 INFO L195 NwaCegarLoop]: trace histogram [22, 18, 18, 18, 18, 18, 18, 6, 5, 5, 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] [2022-11-22 01:13:10,146 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-22 01:13:10,146 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-22 01:13:10,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:13:10,147 INFO L85 PathProgramCache]: Analyzing trace with hash 1570644269, now seen corresponding path program 1 times [2022-11-22 01:13:10,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:13:10,147 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077759913] [2022-11-22 01:13:10,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:13:10,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:13:10,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:13:11,840 INFO L134 CoverageAnalysis]: Checked inductivity of 1464 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1454 trivial. 0 not checked. [2022-11-22 01:13:11,841 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:13:11,841 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1077759913] [2022-11-22 01:13:11,842 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1077759913] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:13:11,842 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:13:11,842 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 01:13:11,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467940746] [2022-11-22 01:13:11,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:13:11,844 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-22 01:13:11,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:13:11,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-22 01:13:11,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:13:11,845 INFO L87 Difference]: Start difference. First operand 77334 states and 112190 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (36), 3 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-11-22 01:13:15,134 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:13:18,593 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:13:21,740 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:13:22,875 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:13:24,455 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:13:25,564 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:13:32,018 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:13:34,188 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:13:46,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:13:46,884 INFO L93 Difference]: Finished difference Result 77350 states and 112203 transitions. [2022-11-22 01:13:46,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 01:13:46,885 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (36), 3 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 271 [2022-11-22 01:13:46,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:13:47,230 INFO L225 Difference]: With dead ends: 77350 [2022-11-22 01:13:47,230 INFO L226 Difference]: Without dead ends: 77348 [2022-11-22 01:13:47,269 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-22 01:13:47,270 INFO L413 NwaCegarLoop]: 5480 mSDtfsCounter, 5410 mSDsluCounter, 12838 mSDsCounter, 0 mSdLazyCounter, 2799 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5426 SdHoareTripleChecker+Valid, 18318 SdHoareTripleChecker+Invalid, 2804 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2799 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.3s IncrementalHoareTripleChecker+Time [2022-11-22 01:13:47,270 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5426 Valid, 18318 Invalid, 2804 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2799 Invalid, 4 Unknown, 0 Unchecked, 31.3s Time] [2022-11-22 01:13:47,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77348 states. [2022-11-22 01:13:51,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77348 to 77342. [2022-11-22 01:13:51,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77342 states, 46989 states have (on average 1.3118815041818297) internal successors, (61644), 48588 states have internal predecessors, (61644), 24456 states have call successors, (24456), 5943 states have call predecessors, (24456), 5894 states have return successors, (26096), 23907 states have call predecessors, (26096), 24448 states have call successors, (26096) [2022-11-22 01:13:52,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77342 states to 77342 states and 112196 transitions. [2022-11-22 01:13:52,068 INFO L78 Accepts]: Start accepts. Automaton has 77342 states and 112196 transitions. Word has length 271 [2022-11-22 01:13:52,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:13:52,070 INFO L495 AbstractCegarLoop]: Abstraction has 77342 states and 112196 transitions. [2022-11-22 01:13:52,070 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (36), 3 states have call predecessors, (36), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-11-22 01:13:52,070 INFO L276 IsEmpty]: Start isEmpty. Operand 77342 states and 112196 transitions. [2022-11-22 01:13:52,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2022-11-22 01:13:52,087 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:13:52,088 INFO L195 NwaCegarLoop]: trace histogram [22, 18, 18, 18, 18, 18, 18, 7, 6, 6, 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] [2022-11-22 01:13:52,088 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-22 01:13:52,088 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-22 01:13:52,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:13:52,089 INFO L85 PathProgramCache]: Analyzing trace with hash -1236615225, now seen corresponding path program 1 times [2022-11-22 01:13:52,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:13:52,090 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982291957] [2022-11-22 01:13:52,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:13:52,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:13:52,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:13:53,997 INFO L134 CoverageAnalysis]: Checked inductivity of 1487 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 1475 trivial. 0 not checked. [2022-11-22 01:13:53,997 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:13:53,998 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982291957] [2022-11-22 01:13:53,998 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1982291957] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:13:53,998 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:13:53,998 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 01:13:53,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26561358] [2022-11-22 01:13:53,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:13:54,000 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-22 01:13:54,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:13:54,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-22 01:13:54,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:13:54,001 INFO L87 Difference]: Start difference. First operand 77342 states and 112196 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2022-11-22 01:13:57,985 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:14:00,001 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:14:03,226 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:14:06,140 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:14:07,597 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:14:08,903 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:14:14,419 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:14:16,433 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:14:18,051 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:14:22,160 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:14:25,715 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:14:27,725 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:14:29,731 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:14:37,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:14:37,647 INFO L93 Difference]: Finished difference Result 82252 states and 119136 transitions. [2022-11-22 01:14:37,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 01:14:37,649 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 277 [2022-11-22 01:14:37,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:14:37,983 INFO L225 Difference]: With dead ends: 82252 [2022-11-22 01:14:37,983 INFO L226 Difference]: Without dead ends: 82250 [2022-11-22 01:14:38,017 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-22 01:14:38,018 INFO L413 NwaCegarLoop]: 5280 mSDtfsCounter, 5411 mSDsluCounter, 12438 mSDsCounter, 0 mSdLazyCounter, 2659 mSolverCounterSat, 1 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 38.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5423 SdHoareTripleChecker+Valid, 17718 SdHoareTripleChecker+Invalid, 2668 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2659 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 39.4s IncrementalHoareTripleChecker+Time [2022-11-22 01:14:38,019 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5423 Valid, 17718 Invalid, 2668 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2659 Invalid, 8 Unknown, 0 Unchecked, 39.4s Time] [2022-11-22 01:14:38,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82250 states. [2022-11-22 01:14:42,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82250 to 82246. [2022-11-22 01:14:42,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82246 states, 49979 states have (on average 1.311911002621101) internal successors, (65568), 51702 states have internal predecessors, (65568), 25930 states have call successors, (25930), 6377 states have call predecessors, (25930), 6334 states have return successors, (27633), 25355 states have call predecessors, (27633), 25922 states have call successors, (27633) [2022-11-22 01:14:43,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82246 states to 82246 states and 119131 transitions. [2022-11-22 01:14:43,214 INFO L78 Accepts]: Start accepts. Automaton has 82246 states and 119131 transitions. Word has length 277 [2022-11-22 01:14:43,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:14:43,215 INFO L495 AbstractCegarLoop]: Abstraction has 82246 states and 119131 transitions. [2022-11-22 01:14:43,215 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (37), 3 states have call predecessors, (37), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2022-11-22 01:14:43,215 INFO L276 IsEmpty]: Start isEmpty. Operand 82246 states and 119131 transitions. [2022-11-22 01:14:43,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2022-11-22 01:14:43,229 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:14:43,230 INFO L195 NwaCegarLoop]: trace histogram [22, 18, 18, 18, 18, 18, 18, 8, 7, 7, 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] [2022-11-22 01:14:43,230 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-22 01:14:43,230 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-22 01:14:43,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:14:43,231 INFO L85 PathProgramCache]: Analyzing trace with hash -1795597351, now seen corresponding path program 1 times [2022-11-22 01:14:43,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:14:43,231 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673325006] [2022-11-22 01:14:43,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:14:43,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:14:43,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:14:45,030 INFO L134 CoverageAnalysis]: Checked inductivity of 1513 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 1499 trivial. 0 not checked. [2022-11-22 01:14:45,031 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:14:45,031 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1673325006] [2022-11-22 01:14:45,031 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1673325006] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:14:45,031 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:14:45,032 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 01:14:45,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160325178] [2022-11-22 01:14:45,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:14:45,033 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-22 01:14:45,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:14:45,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-22 01:14:45,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:14:45,034 INFO L87 Difference]: Start difference. First operand 82246 states and 119131 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (38), 3 states have call predecessors, (38), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2022-11-22 01:14:48,174 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 01:14:51,639 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:14:54,798 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:14:56,815 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:15:03,471 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []