./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67f5979-cba6-4e73-b4f4-5ad8700f04de/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67f5979-cba6-4e73-b4f4-5ad8700f04de/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67f5979-cba6-4e73-b4f4-5ad8700f04de/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67f5979-cba6-4e73-b4f4-5ad8700f04de/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67f5979-cba6-4e73-b4f4-5ad8700f04de/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67f5979-cba6-4e73-b4f4-5ad8700f04de/bin/utaipan-I9t0OCRTmS --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash bc38af6d85a1ea18be4ba0c188eed765e9a84460b9b23510e792660c4b3625d7 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-19 07:56:39,371 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 07:56:39,374 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 07:56:39,398 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 07:56:39,398 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 07:56:39,400 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 07:56:39,401 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 07:56:39,403 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 07:56:39,405 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 07:56:39,407 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 07:56:39,409 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 07:56:39,410 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 07:56:39,411 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 07:56:39,412 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 07:56:39,413 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 07:56:39,415 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 07:56:39,416 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 07:56:39,417 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 07:56:39,419 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 07:56:39,422 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 07:56:39,424 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 07:56:39,425 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 07:56:39,427 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 07:56:39,428 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 07:56:39,433 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 07:56:39,433 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 07:56:39,434 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 07:56:39,435 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 07:56:39,436 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 07:56:39,437 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 07:56:39,437 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 07:56:39,438 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 07:56:39,439 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 07:56:39,440 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 07:56:39,441 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 07:56:39,442 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 07:56:39,443 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 07:56:39,443 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 07:56:39,444 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 07:56:39,445 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 07:56:39,446 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 07:56:39,453 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67f5979-cba6-4e73-b4f4-5ad8700f04de/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-19 07:56:39,487 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 07:56:39,488 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 07:56:39,488 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 07:56:39,488 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 07:56:39,489 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 07:56:39,489 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 07:56:39,495 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 07:56:39,496 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 07:56:39,496 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 07:56:39,497 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 07:56:39,498 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 07:56:39,498 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 07:56:39,498 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 07:56:39,498 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 07:56:39,499 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 07:56:39,499 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 07:56:39,499 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 07:56:39,499 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 07:56:39,500 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 07:56:39,500 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 07:56:39,500 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 07:56:39,500 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 07:56:39,501 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 07:56:39,501 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 07:56:39,501 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 07:56:39,502 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 07:56:39,502 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 07:56:39,502 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 07:56:39,502 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 07:56:39,502 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:56:39,503 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 07:56:39,503 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 07:56:39,503 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 07:56:39,503 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 07:56:39,503 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 07:56:39,504 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 07:56:39,504 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 07:56:39,504 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 07:56:39,504 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_f67f5979-cba6-4e73-b4f4-5ad8700f04de/bin/utaipan-I9t0OCRTmS/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67f5979-cba6-4e73-b4f4-5ad8700f04de/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bc38af6d85a1ea18be4ba0c188eed765e9a84460b9b23510e792660c4b3625d7 [2022-11-19 07:56:39,822 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 07:56:39,860 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 07:56:39,863 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 07:56:39,864 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 07:56:39,865 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 07:56:39,867 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67f5979-cba6-4e73-b4f4-5ad8700f04de/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i [2022-11-19 07:56:39,943 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67f5979-cba6-4e73-b4f4-5ad8700f04de/bin/utaipan-I9t0OCRTmS/data/096e10853/9a123d7daefb48838605e58b7b11ed56/FLAG1e10fbff6 [2022-11-19 07:56:41,040 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 07:56:41,041 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67f5979-cba6-4e73-b4f4-5ad8700f04de/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i [2022-11-19 07:56:41,175 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67f5979-cba6-4e73-b4f4-5ad8700f04de/bin/utaipan-I9t0OCRTmS/data/096e10853/9a123d7daefb48838605e58b7b11ed56/FLAG1e10fbff6 [2022-11-19 07:56:41,344 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67f5979-cba6-4e73-b4f4-5ad8700f04de/bin/utaipan-I9t0OCRTmS/data/096e10853/9a123d7daefb48838605e58b7b11ed56 [2022-11-19 07:56:41,347 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 07:56:41,348 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 07:56:41,350 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 07:56:41,350 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 07:56:41,354 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 07:56:41,355 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:56:41" (1/1) ... [2022-11-19 07:56:41,356 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51c34c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:41, skipping insertion in model container [2022-11-19 07:56:41,357 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:56:41" (1/1) ... [2022-11-19 07:56:41,365 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 07:56:41,531 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:56:47,778 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67f5979-cba6-4e73-b4f4-5ad8700f04de/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552482,552495] [2022-11-19 07:56:47,785 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67f5979-cba6-4e73-b4f4-5ad8700f04de/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552651,552664] [2022-11-19 07:56:47,786 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67f5979-cba6-4e73-b4f4-5ad8700f04de/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552818,552831] [2022-11-19 07:56:47,786 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67f5979-cba6-4e73-b4f4-5ad8700f04de/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552986,552999] [2022-11-19 07:56:47,826 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:56:47,945 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 07:56:48,554 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67f5979-cba6-4e73-b4f4-5ad8700f04de/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552482,552495] [2022-11-19 07:56:48,555 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67f5979-cba6-4e73-b4f4-5ad8700f04de/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552651,552664] [2022-11-19 07:56:48,556 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67f5979-cba6-4e73-b4f4-5ad8700f04de/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552818,552831] [2022-11-19 07:56:48,557 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67f5979-cba6-4e73-b4f4-5ad8700f04de/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552986,552999] [2022-11-19 07:56:48,572 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:56:48,981 INFO L208 MainTranslator]: Completed translation [2022-11-19 07:56:48,982 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:48 WrapperNode [2022-11-19 07:56:48,982 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 07:56:48,983 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 07:56:48,983 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 07:56:48,984 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 07:56:48,991 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:48" (1/1) ... [2022-11-19 07:56:49,194 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:48" (1/1) ... [2022-11-19 07:56:49,645 INFO L138 Inliner]: procedures = 703, calls = 6575, calls flagged for inlining = 364, calls inlined = 322, statements flattened = 11715 [2022-11-19 07:56:49,646 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 07:56:49,647 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 07:56:49,647 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 07:56:49,647 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 07:56:49,658 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:48" (1/1) ... [2022-11-19 07:56:49,659 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:48" (1/1) ... [2022-11-19 07:56:49,759 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:48" (1/1) ... [2022-11-19 07:56:49,759 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:48" (1/1) ... [2022-11-19 07:56:49,980 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:48" (1/1) ... [2022-11-19 07:56:50,020 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:48" (1/1) ... [2022-11-19 07:56:50,096 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:48" (1/1) ... [2022-11-19 07:56:50,118 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:48" (1/1) ... [2022-11-19 07:56:50,186 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 07:56:50,187 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 07:56:50,188 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 07:56:50,188 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 07:56:50,189 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:48" (1/1) ... [2022-11-19 07:56:50,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:56:50,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67f5979-cba6-4e73-b4f4-5ad8700f04de/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:56:50,220 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67f5979-cba6-4e73-b4f4-5ad8700f04de/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 07:56:50,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f67f5979-cba6-4e73-b4f4-5ad8700f04de/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 07:56:50,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_93 [2022-11-19 07:56:50,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_93 [2022-11-19 07:56:50,266 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-19 07:56:50,266 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-19 07:56:50,267 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_irq_disable [2022-11-19 07:56:50,267 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_irq_disable [2022-11-19 07:56:50,267 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-19 07:56:50,267 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-19 07:56:50,267 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-11-19 07:56:50,267 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-11-19 07:56:50,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_80 [2022-11-19 07:56:50,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_80 [2022-11-19 07:56:50,268 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_intr [2022-11-19 07:56:50,268 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_intr [2022-11-19 07:56:50,268 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-19 07:56:50,268 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-19 07:56:50,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-19 07:56:50,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-19 07:56:50,269 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_minnow_platform_init [2022-11-19 07:56:50,269 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_minnow_platform_init [2022-11-19 07:56:50,269 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_open [2022-11-19 07:56:50,270 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_open [2022-11-19 07:56:50,270 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2022-11-19 07:56:50,270 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2022-11-19 07:56:50,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-19 07:56:50,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-19 07:56:50,271 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_reinit_locked [2022-11-19 07:56:50,271 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_reinit_locked [2022-11-19 07:56:50,271 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_hal_power_up_phy [2022-11-19 07:56:50,271 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_hal_power_up_phy [2022-11-19 07:56:50,271 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_setup_tx_resources [2022-11-19 07:56:50,271 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_setup_tx_resources [2022-11-19 07:56:50,272 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-19 07:56:50,272 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-19 07:56:50,272 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-19 07:56:50,272 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-19 07:56:50,272 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-19 07:56:50,273 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-19 07:56:50,273 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_netpoll [2022-11-19 07:56:50,273 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_netpoll [2022-11-19 07:56:50,273 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_plat_init_hw [2022-11-19 07:56:50,273 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_plat_init_hw [2022-11-19 07:56:50,274 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_free_rx_resources [2022-11-19 07:56:50,274 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_free_rx_resources [2022-11-19 07:56:50,274 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_free_tx_resources [2022-11-19 07:56:50,274 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_free_tx_resources [2022-11-19 07:56:50,274 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-11-19 07:56:50,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-11-19 07:56:50,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_pch_gbe_exit_module_17_2 [2022-11-19 07:56:50,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_pch_gbe_exit_module_17_2 [2022-11-19 07:56:50,275 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-11-19 07:56:50,275 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-11-19 07:56:50,275 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-19 07:56:50,276 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-19 07:56:50,276 INFO L130 BoogieDeclarations]: Found specification of procedure dma_zalloc_coherent [2022-11-19 07:56:50,276 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_zalloc_coherent [2022-11-19 07:56:50,276 INFO L130 BoogieDeclarations]: Found specification of procedure pch_set_station_address [2022-11-19 07:56:50,276 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_set_station_address [2022-11-19 07:56:50,277 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-19 07:56:50,277 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-19 07:56:50,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-19 07:56:50,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-19 07:56:50,277 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mdio_write [2022-11-19 07:56:50,277 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mdio_write [2022-11-19 07:56:50,278 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-19 07:56:50,278 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-19 07:56:50,278 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-11-19 07:56:50,278 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-11-19 07:56:50,278 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-19 07:56:50,279 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-19 07:56:50,279 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-19 07:56:50,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-19 07:56:50,279 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-19 07:56:50,279 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-19 07:56:50,279 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-11-19 07:56:50,280 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-11-19 07:56:50,280 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 07:56:50,280 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_power_up [2022-11-19 07:56:50,280 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_power_up [2022-11-19 07:56:50,280 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-11-19 07:56:50,281 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-11-19 07:56:50,281 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_resume [2022-11-19 07:56:50,281 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_resume [2022-11-19 07:56:50,281 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-19 07:56:50,281 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-19 07:56:50,281 INFO L130 BoogieDeclarations]: Found specification of procedure pch_ch_event_write [2022-11-19 07:56:50,282 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_ch_event_write [2022-11-19 07:56:50,282 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2022-11-19 07:56:50,282 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2022-11-19 07:56:50,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-19 07:56:50,282 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-19 07:56:50,283 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-19 07:56:50,283 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-19 07:56:50,283 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-19 07:56:50,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-11-19 07:56:50,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-11-19 07:56:50,284 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-19 07:56:50,284 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-19 07:56:50,284 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_enable_dma_rx [2022-11-19 07:56:50,284 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_enable_dma_rx [2022-11-19 07:56:50,284 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_configure_rx [2022-11-19 07:56:50,284 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_configure_rx [2022-11-19 07:56:50,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-19 07:56:50,285 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_wait_clr_bit [2022-11-19 07:56:50,285 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_wait_clr_bit [2022-11-19 07:56:50,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-19 07:56:50,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-19 07:56:50,286 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 07:56:50,286 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-19 07:56:50,286 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-19 07:56:50,286 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2022-11-19 07:56:50,286 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2022-11-19 07:56:50,287 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-19 07:56:50,287 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-19 07:56:50,287 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_remove [2022-11-19 07:56:50,287 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_remove [2022-11-19 07:56:50,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-19 07:56:50,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-19 07:56:50,288 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-11-19 07:56:50,288 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-11-19 07:56:50,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-19 07:56:50,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-19 07:56:50,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-19 07:56:50,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-19 07:56:50,289 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-11-19 07:56:50,289 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-11-19 07:56:50,289 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_force_mac_fc [2022-11-19 07:56:50,289 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_force_mac_fc [2022-11-19 07:56:50,289 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_suspend [2022-11-19 07:56:50,290 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_suspend [2022-11-19 07:56:50,290 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-11-19 07:56:50,290 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-11-19 07:56:50,290 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-19 07:56:50,290 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-19 07:56:50,290 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-19 07:56:50,291 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-19 07:56:50,291 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_set_value [2022-11-19 07:56:50,291 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_set_value [2022-11-19 07:56:50,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-19 07:56:50,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-19 07:56:50,291 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-19 07:56:50,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-19 07:56:50,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-19 07:56:50,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-19 07:56:50,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-19 07:56:50,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-11-19 07:56:50,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-11-19 07:56:50,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_5 [2022-11-19 07:56:50,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_5 [2022-11-19 07:56:50,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2022-11-19 07:56:50,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2022-11-19 07:56:50,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-11-19 07:56:50,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-11-19 07:56:50,294 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-11-19 07:56:50,294 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-11-19 07:56:50,294 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 07:56:50,294 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-19 07:56:50,294 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-19 07:56:50,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-19 07:56:50,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-19 07:56:50,295 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-19 07:56:50,295 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-19 07:56:50,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-19 07:56:50,295 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-19 07:56:50,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-19 07:56:50,296 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-11-19 07:56:50,296 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-11-19 07:56:50,296 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-19 07:56:50,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-19 07:56:50,296 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-19 07:56:50,296 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-19 07:56:50,297 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2022-11-19 07:56:50,297 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2022-11-19 07:56:50,297 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-11-19 07:56:50,297 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-11-19 07:56:50,297 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_set_wol_event [2022-11-19 07:56:50,297 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_set_wol_event [2022-11-19 07:56:50,298 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-19 07:56:50,298 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-19 07:56:50,298 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_ctrl_miim [2022-11-19 07:56:50,298 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_ctrl_miim [2022-11-19 07:56:50,298 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-19 07:56:50,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-19 07:56:50,299 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_get_regs_len [2022-11-19 07:56:50,299 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_get_regs_len [2022-11-19 07:56:50,299 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-19 07:56:50,299 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-19 07:56:50,299 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 07:56:50,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 07:56:50,300 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_alloc_rx_buffers [2022-11-19 07:56:50,300 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_alloc_rx_buffers [2022-11-19 07:56:50,300 INFO L130 BoogieDeclarations]: Found specification of procedure __pch_gbe_suspend [2022-11-19 07:56:50,300 INFO L138 BoogieDeclarations]: Found implementation of procedure __pch_gbe_suspend [2022-11-19 07:56:50,300 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-11-19 07:56:50,301 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-11-19 07:56:50,301 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_plat_get_bus_info [2022-11-19 07:56:50,301 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_plat_get_bus_info [2022-11-19 07:56:50,301 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-11-19 07:56:50,302 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-11-19 07:56:50,302 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_power_down [2022-11-19 07:56:50,302 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_power_down [2022-11-19 07:56:50,302 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-19 07:56:50,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-19 07:56:50,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-19 07:56:50,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-19 07:56:50,303 INFO L130 BoogieDeclarations]: Found specification of procedure csum_tcpudp_magic [2022-11-19 07:56:50,303 INFO L138 BoogieDeclarations]: Found implementation of procedure csum_tcpudp_magic [2022-11-19 07:56:50,303 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-19 07:56:50,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-19 07:56:50,303 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_update_stats [2022-11-19 07:56:50,304 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_update_stats [2022-11-19 07:56:50,304 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-19 07:56:50,304 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-19 07:56:50,304 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2022-11-19 07:56:50,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2022-11-19 07:56:50,304 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-19 07:56:50,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-19 07:56:50,305 INFO L130 BoogieDeclarations]: Found specification of procedure skb_checksum [2022-11-19 07:56:50,305 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_checksum [2022-11-19 07:56:50,305 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mdio_read [2022-11-19 07:56:50,305 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mdio_read [2022-11-19 07:56:50,305 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_clean_rx_ring [2022-11-19 07:56:50,306 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_clean_rx_ring [2022-11-19 07:56:50,306 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-11-19 07:56:50,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-11-19 07:56:50,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_tx_lock_of_pch_gbe_tx_ring [2022-11-19 07:56:50,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_tx_lock_of_pch_gbe_tx_ring [2022-11-19 07:56:50,306 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_up [2022-11-19 07:56:50,307 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_up [2022-11-19 07:56:50,307 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-19 07:56:50,307 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-19 07:56:50,307 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-19 07:56:50,307 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-19 07:56:50,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-11-19 07:56:50,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-11-19 07:56:50,308 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_gset [2022-11-19 07:56:50,308 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_gset [2022-11-19 07:56:50,308 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_clean_tx_ring [2022-11-19 07:56:50,308 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_clean_tx_ring [2022-11-19 07:56:50,308 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_reset [2022-11-19 07:56:50,309 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_reset [2022-11-19 07:56:50,309 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-11-19 07:56:50,309 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-11-19 07:56:50,309 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies [2022-11-19 07:56:50,309 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies [2022-11-19 07:56:50,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_stop_14_2 [2022-11-19 07:56:50,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_stop_14_2 [2022-11-19 07:56:50,310 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_stop [2022-11-19 07:56:50,310 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_stop [2022-11-19 07:56:50,310 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 07:56:50,310 INFO L130 BoogieDeclarations]: Found specification of procedure ns_to_ktime [2022-11-19 07:56:50,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_to_ktime [2022-11-19 07:56:50,311 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-11-19 07:56:50,311 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-11-19 07:56:50,311 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-19 07:56:50,311 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-19 07:56:50,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-19 07:56:50,312 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_io_resume [2022-11-19 07:56:50,312 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_io_resume [2022-11-19 07:56:50,312 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~s32~0 [2022-11-19 07:56:50,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~s32~0 [2022-11-19 07:56:50,312 INFO L130 BoogieDeclarations]: Found specification of procedure pch_ch_event_read [2022-11-19 07:56:50,313 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_ch_event_read [2022-11-19 07:56:50,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-19 07:56:50,313 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-19 07:56:50,313 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-19 07:56:50,313 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-19 07:56:50,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-19 07:56:50,313 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-11-19 07:56:50,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-11-19 07:56:50,314 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_nway_reset [2022-11-19 07:56:50,314 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_nway_reset [2022-11-19 07:56:50,314 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-19 07:56:50,314 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-19 07:56:50,314 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-11-19 07:56:50,315 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-11-19 07:56:50,315 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_irq_enable [2022-11-19 07:56:50,315 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_irq_enable [2022-11-19 07:56:50,315 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-19 07:56:50,315 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-19 07:56:50,315 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_hw_reset [2022-11-19 07:56:50,316 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_hw_reset [2022-11-19 07:56:50,316 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_tx_timeout [2022-11-19 07:56:50,316 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_tx_timeout [2022-11-19 07:56:50,316 INFO L130 BoogieDeclarations]: Found specification of procedure mii_link_ok [2022-11-19 07:56:50,316 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_link_ok [2022-11-19 07:56:50,316 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-19 07:56:50,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-19 07:56:50,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-19 07:56:50,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-19 07:56:50,317 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_sset [2022-11-19 07:56:50,317 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_sset [2022-11-19 07:56:50,317 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_hal_power_down_phy [2022-11-19 07:56:50,318 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_hal_power_down_phy [2022-11-19 07:56:50,318 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-11-19 07:56:50,318 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-11-19 07:56:50,318 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_set_mode [2022-11-19 07:56:50,318 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_set_mode [2022-11-19 07:56:50,318 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-19 07:56:50,319 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-19 07:56:50,319 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-19 07:56:50,319 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-19 07:56:50,319 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_setup_rx_resources [2022-11-19 07:56:50,319 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_setup_rx_resources [2022-11-19 07:56:50,319 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-19 07:56:50,320 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-19 07:56:50,320 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-19 07:56:50,320 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-19 07:56:50,320 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_validate_option [2022-11-19 07:56:50,320 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_validate_option [2022-11-19 07:56:50,320 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_reset_hw [2022-11-19 07:56:50,321 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_reset_hw [2022-11-19 07:56:50,321 INFO L130 BoogieDeclarations]: Found specification of procedure udp_hdr [2022-11-19 07:56:50,321 INFO L138 BoogieDeclarations]: Found implementation of procedure udp_hdr [2022-11-19 07:56:50,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 07:56:50,321 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_setup_rctl [2022-11-19 07:56:50,321 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_setup_rctl [2022-11-19 07:56:50,321 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_sw_reset [2022-11-19 07:56:50,322 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_sw_reset [2022-11-19 07:56:50,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-19 07:56:50,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-19 07:56:50,322 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_hal_phy_hw_reset [2022-11-19 07:56:50,322 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_hal_phy_hw_reset [2022-11-19 07:56:50,322 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_write_reg_miic [2022-11-19 07:56:50,323 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_write_reg_miic [2022-11-19 07:56:50,323 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-19 07:56:50,323 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-19 07:56:50,323 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-19 07:56:50,323 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-19 07:56:50,323 INFO L130 BoogieDeclarations]: Found specification of procedure pch_ch_control_write [2022-11-19 07:56:50,324 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_ch_control_write [2022-11-19 07:56:50,324 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_set_multi [2022-11-19 07:56:50,324 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_set_multi [2022-11-19 07:56:50,324 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_shutdown [2022-11-19 07:56:50,324 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_shutdown [2022-11-19 07:56:50,324 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-19 07:56:50,325 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-19 07:56:50,325 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-11-19 07:56:50,325 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-11-19 07:56:50,325 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_read_reg_miic [2022-11-19 07:56:50,325 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_read_reg_miic [2022-11-19 07:56:50,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_95 [2022-11-19 07:56:50,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_95 [2022-11-19 07:56:50,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-19 07:56:50,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-19 07:56:50,326 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_read_mac_addr [2022-11-19 07:56:50,326 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_read_mac_addr [2022-11-19 07:56:50,326 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_set_rgmii_ctrl [2022-11-19 07:56:50,327 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_set_rgmii_ctrl [2022-11-19 07:56:50,327 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed [2022-11-19 07:56:50,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed [2022-11-19 07:56:50,327 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_down [2022-11-19 07:56:50,327 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_down [2022-11-19 07:56:50,327 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_free_irq [2022-11-19 07:56:50,328 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_free_irq [2022-11-19 07:56:50,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 07:56:50,328 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_mar_set [2022-11-19 07:56:50,328 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_mar_set [2022-11-19 07:56:50,328 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-19 07:56:50,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-19 07:56:51,774 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 07:56:51,778 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 07:56:52,142 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-19 07:57:11,869 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-19 07:57:12,561 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 07:57:15,832 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 07:57:15,832 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-19 07:57:15,840 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:57:15 BoogieIcfgContainer [2022-11-19 07:57:15,840 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 07:57:15,845 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 07:57:15,849 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 07:57:15,853 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 07:57:15,853 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:56:41" (1/3) ... [2022-11-19 07:57:15,855 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@197545be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:57:15, skipping insertion in model container [2022-11-19 07:57:15,855 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:48" (2/3) ... [2022-11-19 07:57:15,855 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@197545be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:57:15, skipping insertion in model container [2022-11-19 07:57:15,855 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:57:15" (3/3) ... [2022-11-19 07:57:15,857 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i [2022-11-19 07:57:15,880 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 07:57:15,880 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-11-19 07:57:16,027 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 07:57:16,041 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;@3508853, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 07:57:16,041 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-11-19 07:57:16,054 INFO L276 IsEmpty]: Start isEmpty. Operand has 2555 states, 1511 states have (on average 1.2911978821972203) internal successors, (1951), 1555 states have internal predecessors, (1951), 870 states have call successors, (870), 172 states have call predecessors, (870), 171 states have return successors, (860), 844 states have call predecessors, (860), 860 states have call successors, (860) [2022-11-19 07:57:16,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-11-19 07:57:16,080 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:57:16,082 INFO L195 NwaCegarLoop]: trace histogram [22, 21, 21, 21, 21, 21, 21, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:57:16,082 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-11-19 07:57:16,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:57:16,088 INFO L85 PathProgramCache]: Analyzing trace with hash -1334499659, now seen corresponding path program 1 times [2022-11-19 07:57:16,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:57:16,098 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91043924] [2022-11-19 07:57:16,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:57:16,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:57:16,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:57:17,856 INFO L134 CoverageAnalysis]: Checked inductivity of 1725 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1725 trivial. 0 not checked. [2022-11-19 07:57:17,857 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:57:17,857 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91043924] [2022-11-19 07:57:17,858 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [91043924] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:57:17,858 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:57:17,859 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:57:17,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281890226] [2022-11-19 07:57:17,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:57:17,866 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:57:17,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:57:17,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:57:17,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:57:17,906 INFO L87 Difference]: Start difference. First operand has 2555 states, 1511 states have (on average 1.2911978821972203) internal successors, (1951), 1555 states have internal predecessors, (1951), 870 states have call successors, (870), 172 states have call predecessors, (870), 171 states have return successors, (860), 844 states have call predecessors, (860), 860 states have call successors, (860) Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-11-19 07:57:23,772 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:57:28,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:57:28,750 INFO L93 Difference]: Finished difference Result 7345 states and 10866 transitions. [2022-11-19 07:57:28,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:57:28,752 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 234 [2022-11-19 07:57:28,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:57:28,804 INFO L225 Difference]: With dead ends: 7345 [2022-11-19 07:57:28,804 INFO L226 Difference]: Without dead ends: 4819 [2022-11-19 07:57:28,826 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 [2022-11-19 07:57:28,829 INFO L413 NwaCegarLoop]: 3882 mSDtfsCounter, 3293 mSDsluCounter, 3064 mSDsCounter, 0 mSdLazyCounter, 1143 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3293 SdHoareTripleChecker+Valid, 6946 SdHoareTripleChecker+Invalid, 1153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1143 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.3s IncrementalHoareTripleChecker+Time [2022-11-19 07:57:28,830 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3293 Valid, 6946 Invalid, 1153 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 1143 Invalid, 1 Unknown, 0 Unchecked, 10.3s Time] [2022-11-19 07:57:28,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4819 states. [2022-11-19 07:57:29,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4819 to 4812. [2022-11-19 07:57:29,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4812 states, 2860 states have (on average 1.2828671328671328) internal successors, (3669), 2943 states have internal predecessors, (3669), 1611 states have call successors, (1611), 338 states have call predecessors, (1611), 337 states have return successors, (1607), 1575 states have call predecessors, (1607), 1607 states have call successors, (1607) [2022-11-19 07:57:29,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4812 states to 4812 states and 6887 transitions. [2022-11-19 07:57:29,420 INFO L78 Accepts]: Start accepts. Automaton has 4812 states and 6887 transitions. Word has length 234 [2022-11-19 07:57:29,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:57:29,425 INFO L495 AbstractCegarLoop]: Abstraction has 4812 states and 6887 transitions. [2022-11-19 07:57:29,426 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-11-19 07:57:29,426 INFO L276 IsEmpty]: Start isEmpty. Operand 4812 states and 6887 transitions. [2022-11-19 07:57:29,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2022-11-19 07:57:29,448 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:57:29,448 INFO L195 NwaCegarLoop]: trace histogram [22, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:57:29,449 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 07:57:29,452 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-11-19 07:57:29,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:57:29,454 INFO L85 PathProgramCache]: Analyzing trace with hash 1954101788, now seen corresponding path program 1 times [2022-11-19 07:57:29,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:57:29,455 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36726156] [2022-11-19 07:57:29,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:57:29,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:57:29,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:57:30,308 INFO L134 CoverageAnalysis]: Checked inductivity of 1722 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1722 trivial. 0 not checked. [2022-11-19 07:57:30,309 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:57:30,309 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36726156] [2022-11-19 07:57:30,310 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [36726156] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:57:30,310 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:57:30,310 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:57:30,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530212954] [2022-11-19 07:57:30,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:57:30,313 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:57:30,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:57:30,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:57:30,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:57:30,315 INFO L87 Difference]: Start difference. First operand 4812 states and 6887 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-19 07:57:36,077 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:57:39,252 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:57:42,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:57:42,409 INFO L93 Difference]: Finished difference Result 11845 states and 16922 transitions. [2022-11-19 07:57:42,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:57:42,410 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 239 [2022-11-19 07:57:42,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:57:42,465 INFO L225 Difference]: With dead ends: 11845 [2022-11-19 07:57:42,465 INFO L226 Difference]: Without dead ends: 7076 [2022-11-19 07:57:42,497 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 [2022-11-19 07:57:42,498 INFO L413 NwaCegarLoop]: 3896 mSDtfsCounter, 3263 mSDsluCounter, 3050 mSDsCounter, 0 mSdLazyCounter, 1154 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3263 SdHoareTripleChecker+Valid, 6946 SdHoareTripleChecker+Invalid, 1162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1154 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.6s IncrementalHoareTripleChecker+Time [2022-11-19 07:57:42,499 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3263 Valid, 6946 Invalid, 1162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1154 Invalid, 1 Unknown, 0 Unchecked, 11.6s Time] [2022-11-19 07:57:42,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7076 states. [2022-11-19 07:57:43,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7076 to 7041. [2022-11-19 07:57:43,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7041 states, 4176 states have (on average 1.2777777777777777) internal successors, (5336), 4302 states have internal predecessors, (5336), 2355 states have call successors, (2355), 507 states have call predecessors, (2355), 506 states have return successors, (2351), 2298 states have call predecessors, (2351), 2351 states have call successors, (2351) [2022-11-19 07:57:43,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7041 states to 7041 states and 10042 transitions. [2022-11-19 07:57:43,115 INFO L78 Accepts]: Start accepts. Automaton has 7041 states and 10042 transitions. Word has length 239 [2022-11-19 07:57:43,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:57:43,119 INFO L495 AbstractCegarLoop]: Abstraction has 7041 states and 10042 transitions. [2022-11-19 07:57:43,120 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-19 07:57:43,121 INFO L276 IsEmpty]: Start isEmpty. Operand 7041 states and 10042 transitions. [2022-11-19 07:57:43,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2022-11-19 07:57:43,128 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:57:43,129 INFO L195 NwaCegarLoop]: trace histogram [22, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:57:43,129 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 07:57:43,130 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-11-19 07:57:43,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:57:43,130 INFO L85 PathProgramCache]: Analyzing trace with hash -1562428041, now seen corresponding path program 1 times [2022-11-19 07:57:43,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:57:43,131 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325882811] [2022-11-19 07:57:43,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:57:43,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:57:43,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:57:43,979 INFO L134 CoverageAnalysis]: Checked inductivity of 1722 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1722 trivial. 0 not checked. [2022-11-19 07:57:43,979 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:57:43,979 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325882811] [2022-11-19 07:57:43,980 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1325882811] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:57:43,981 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:57:43,981 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:57:43,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440940322] [2022-11-19 07:57:43,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:57:43,983 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:57:43,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:57:43,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:57:43,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:57:43,986 INFO L87 Difference]: Start difference. First operand 7041 states and 10042 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-11-19 07:57:48,065 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:57:53,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:57:53,550 INFO L93 Difference]: Finished difference Result 18493 states and 26353 transitions. [2022-11-19 07:57:53,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:57:53,550 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 240 [2022-11-19 07:57:53,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:57:53,642 INFO L225 Difference]: With dead ends: 18493 [2022-11-19 07:57:53,642 INFO L226 Difference]: Without dead ends: 11495 [2022-11-19 07:57:53,685 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 [2022-11-19 07:57:53,689 INFO L413 NwaCegarLoop]: 3849 mSDtfsCounter, 3259 mSDsluCounter, 3074 mSDsCounter, 0 mSdLazyCounter, 1117 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3259 SdHoareTripleChecker+Valid, 6923 SdHoareTripleChecker+Invalid, 1119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1117 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2022-11-19 07:57:53,690 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3259 Valid, 6923 Invalid, 1119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1117 Invalid, 1 Unknown, 0 Unchecked, 8.9s Time] [2022-11-19 07:57:53,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11495 states. [2022-11-19 07:57:54,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11495 to 11462. [2022-11-19 07:57:54,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11462 states, 6813 states have (on average 1.2794657272860708) internal successors, (8717), 7014 states have internal predecessors, (8717), 3807 states have call successors, (3807), 839 states have call predecessors, (3807), 838 states have return successors, (3803), 3713 states have call predecessors, (3803), 3803 states have call successors, (3803) [2022-11-19 07:57:54,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11462 states to 11462 states and 16327 transitions. [2022-11-19 07:57:54,604 INFO L78 Accepts]: Start accepts. Automaton has 11462 states and 16327 transitions. Word has length 240 [2022-11-19 07:57:54,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:57:54,606 INFO L495 AbstractCegarLoop]: Abstraction has 11462 states and 16327 transitions. [2022-11-19 07:57:54,606 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-11-19 07:57:54,606 INFO L276 IsEmpty]: Start isEmpty. Operand 11462 states and 16327 transitions. [2022-11-19 07:57:54,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2022-11-19 07:57:54,613 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:57:54,614 INFO L195 NwaCegarLoop]: trace histogram [22, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:57:54,614 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-19 07:57:54,614 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-11-19 07:57:54,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:57:54,618 INFO L85 PathProgramCache]: Analyzing trace with hash 602909160, now seen corresponding path program 1 times [2022-11-19 07:57:54,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:57:54,618 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617327078] [2022-11-19 07:57:54,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:57:54,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:57:54,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:57:55,390 INFO L134 CoverageAnalysis]: Checked inductivity of 1722 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1722 trivial. 0 not checked. [2022-11-19 07:57:55,391 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:57:55,391 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617327078] [2022-11-19 07:57:55,391 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [617327078] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:57:55,391 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:57:55,392 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:57:55,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814720103] [2022-11-19 07:57:55,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:57:55,393 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:57:55,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:57:55,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:57:55,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:57:55,394 INFO L87 Difference]: Start difference. First operand 11462 states and 16327 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-11-19 07:57:58,367 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 [] [2022-11-19 07:58:04,504 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:58:07,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:58:07,043 INFO L93 Difference]: Finished difference Result 29650 states and 42260 transitions. [2022-11-19 07:58:07,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:58:07,044 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 243 [2022-11-19 07:58:07,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:58:07,166 INFO L225 Difference]: With dead ends: 29650 [2022-11-19 07:58:07,167 INFO L226 Difference]: Without dead ends: 18231 [2022-11-19 07:58:07,220 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 [2022-11-19 07:58:07,220 INFO L413 NwaCegarLoop]: 3803 mSDtfsCounter, 2886 mSDsluCounter, 3016 mSDsCounter, 0 mSdLazyCounter, 1166 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2886 SdHoareTripleChecker+Valid, 6819 SdHoareTripleChecker+Invalid, 1174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1166 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.9s IncrementalHoareTripleChecker+Time [2022-11-19 07:58:07,221 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2886 Valid, 6819 Invalid, 1174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1166 Invalid, 1 Unknown, 0 Unchecked, 10.9s Time] [2022-11-19 07:58:07,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18231 states. [2022-11-19 07:58:08,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18231 to 18196. [2022-11-19 07:58:08,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18196 states, 10784 states have (on average 1.268824183976261) internal successors, (13683), 11102 states have internal predecessors, (13683), 6024 states have call successors, (6024), 1397 states have call predecessors, (6024), 1384 states have return successors, (6217), 5845 states have call predecessors, (6217), 6020 states have call successors, (6217) [2022-11-19 07:58:08,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18196 states to 18196 states and 25924 transitions. [2022-11-19 07:58:08,548 INFO L78 Accepts]: Start accepts. Automaton has 18196 states and 25924 transitions. Word has length 243 [2022-11-19 07:58:08,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:58:08,552 INFO L495 AbstractCegarLoop]: Abstraction has 18196 states and 25924 transitions. [2022-11-19 07:58:08,553 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-11-19 07:58:08,553 INFO L276 IsEmpty]: Start isEmpty. Operand 18196 states and 25924 transitions. [2022-11-19 07:58:08,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2022-11-19 07:58:08,558 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:58:08,559 INFO L195 NwaCegarLoop]: trace histogram [22, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:58:08,559 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-19 07:58:08,559 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-11-19 07:58:08,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:58:08,560 INFO L85 PathProgramCache]: Analyzing trace with hash -1404130816, now seen corresponding path program 1 times [2022-11-19 07:58:08,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:58:08,560 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002337027] [2022-11-19 07:58:08,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:58:08,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:58:08,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:58:09,375 INFO L134 CoverageAnalysis]: Checked inductivity of 1722 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1722 trivial. 0 not checked. [2022-11-19 07:58:09,376 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:58:09,376 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002337027] [2022-11-19 07:58:09,376 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2002337027] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:58:09,376 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:58:09,376 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:58:09,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039750059] [2022-11-19 07:58:09,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:58:09,377 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:58:09,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:58:09,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:58:09,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:58:09,381 INFO L87 Difference]: Start difference. First operand 18196 states and 25924 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-19 07:58:14,144 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:58:19,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:58:19,661 INFO L93 Difference]: Finished difference Result 53148 states and 75518 transitions. [2022-11-19 07:58:19,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:58:19,666 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 245 [2022-11-19 07:58:19,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:58:19,854 INFO L225 Difference]: With dead ends: 53148 [2022-11-19 07:58:19,855 INFO L226 Difference]: Without dead ends: 34995 [2022-11-19 07:58:19,929 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 [2022-11-19 07:58:19,930 INFO L413 NwaCegarLoop]: 4616 mSDtfsCounter, 3143 mSDsluCounter, 3017 mSDsCounter, 0 mSdLazyCounter, 1410 mSolverCounterSat, 29 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3143 SdHoareTripleChecker+Valid, 7633 SdHoareTripleChecker+Invalid, 1440 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1410 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2022-11-19 07:58:19,930 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3143 Valid, 7633 Invalid, 1440 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1410 Invalid, 1 Unknown, 0 Unchecked, 8.8s Time] [2022-11-19 07:58:19,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34995 states. [2022-11-19 07:58:22,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34995 to 34943. [2022-11-19 07:58:22,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34943 states, 20612 states have (on average 1.2566951290510382) internal successors, (25903), 21261 states have internal predecessors, (25903), 11571 states have call successors, (11571), 2781 states have call predecessors, (11571), 2756 states have return successors, (11868), 11197 states have call predecessors, (11868), 11567 states have call successors, (11868) [2022-11-19 07:58:22,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34943 states to 34943 states and 49342 transitions. [2022-11-19 07:58:22,487 INFO L78 Accepts]: Start accepts. Automaton has 34943 states and 49342 transitions. Word has length 245 [2022-11-19 07:58:22,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:58:22,488 INFO L495 AbstractCegarLoop]: Abstraction has 34943 states and 49342 transitions. [2022-11-19 07:58:22,488 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-19 07:58:22,488 INFO L276 IsEmpty]: Start isEmpty. Operand 34943 states and 49342 transitions. [2022-11-19 07:58:22,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2022-11-19 07:58:22,500 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:58:22,500 INFO L195 NwaCegarLoop]: trace histogram [23, 21, 21, 21, 21, 21, 21, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:58:22,500 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-19 07:58:22,501 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-11-19 07:58:22,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:58:22,501 INFO L85 PathProgramCache]: Analyzing trace with hash 1351441488, now seen corresponding path program 1 times [2022-11-19 07:58:22,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:58:22,501 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855987177] [2022-11-19 07:58:22,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:58:22,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:58:22,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:58:23,497 INFO L134 CoverageAnalysis]: Checked inductivity of 1773 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1766 trivial. 0 not checked. [2022-11-19 07:58:23,497 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:58:23,498 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855987177] [2022-11-19 07:58:23,498 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1855987177] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:58:23,498 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:58:23,498 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:58:23,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369758444] [2022-11-19 07:58:23,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:58:23,500 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:58:23,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:58:23,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:58:23,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:58:23,501 INFO L87 Difference]: Start difference. First operand 34943 states and 49342 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-11-19 07:58:28,110 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:58:34,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:58:34,948 INFO L93 Difference]: Finished difference Result 98856 states and 139569 transitions. [2022-11-19 07:58:34,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:58:34,948 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 265 [2022-11-19 07:58:34,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:58:35,338 INFO L225 Difference]: With dead ends: 98856 [2022-11-19 07:58:35,339 INFO L226 Difference]: Without dead ends: 63956 [2022-11-19 07:58:35,642 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 [2022-11-19 07:58:35,644 INFO L413 NwaCegarLoop]: 4376 mSDtfsCounter, 3270 mSDsluCounter, 3051 mSDsCounter, 0 mSdLazyCounter, 1314 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3270 SdHoareTripleChecker+Valid, 7427 SdHoareTripleChecker+Invalid, 1328 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1314 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2022-11-19 07:58:35,645 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3270 Valid, 7427 Invalid, 1328 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 1314 Invalid, 1 Unknown, 0 Unchecked, 8.8s Time] [2022-11-19 07:58:35,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63956 states. [2022-11-19 07:58:39,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63956 to 63890. [2022-11-19 07:58:39,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63890 states, 37705 states have (on average 1.2538390133934492) internal successors, (47276), 38935 states have internal predecessors, (47276), 21093 states have call successors, (21093), 5137 states have call predecessors, (21093), 5088 states have return successors, (21674), 20374 states have call predecessors, (21674), 21089 states have call successors, (21674) [2022-11-19 07:58:40,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63890 states to 63890 states and 90043 transitions. [2022-11-19 07:58:40,049 INFO L78 Accepts]: Start accepts. Automaton has 63890 states and 90043 transitions. Word has length 265 [2022-11-19 07:58:40,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:58:40,051 INFO L495 AbstractCegarLoop]: Abstraction has 63890 states and 90043 transitions. [2022-11-19 07:58:40,051 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-11-19 07:58:40,051 INFO L276 IsEmpty]: Start isEmpty. Operand 63890 states and 90043 transitions. [2022-11-19 07:58:40,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2022-11-19 07:58:40,059 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:58:40,059 INFO L195 NwaCegarLoop]: trace histogram [22, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:58:40,060 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-19 07:58:40,060 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-11-19 07:58:40,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:58:40,061 INFO L85 PathProgramCache]: Analyzing trace with hash 2105168449, now seen corresponding path program 1 times [2022-11-19 07:58:40,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:58:40,061 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473468158] [2022-11-19 07:58:40,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:58:40,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:58:40,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:58:41,090 INFO L134 CoverageAnalysis]: Checked inductivity of 1722 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1722 trivial. 0 not checked. [2022-11-19 07:58:41,090 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:58:41,090 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473468158] [2022-11-19 07:58:41,092 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1473468158] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:58:41,093 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:58:41,093 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:58:41,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984254274] [2022-11-19 07:58:41,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:58:41,095 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:58:41,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:58:41,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:58:41,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:58:41,096 INFO L87 Difference]: Start difference. First operand 63890 states and 90043 transitions. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-11-19 07:58:46,200 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:58:54,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:58:54,597 INFO L93 Difference]: Finished difference Result 175487 states and 246968 transitions. [2022-11-19 07:58:54,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:58:54,598 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 270 [2022-11-19 07:58:54,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:58:55,211 INFO L225 Difference]: With dead ends: 175487 [2022-11-19 07:58:55,211 INFO L226 Difference]: Without dead ends: 111640 [2022-11-19 07:58:55,481 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 [2022-11-19 07:58:55,482 INFO L413 NwaCegarLoop]: 5302 mSDtfsCounter, 2967 mSDsluCounter, 3029 mSDsCounter, 0 mSdLazyCounter, 1558 mSolverCounterSat, 18 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2967 SdHoareTripleChecker+Valid, 8331 SdHoareTripleChecker+Invalid, 1577 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 1558 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.1s IncrementalHoareTripleChecker+Time [2022-11-19 07:58:55,482 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2967 Valid, 8331 Invalid, 1577 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 1558 Invalid, 1 Unknown, 0 Unchecked, 9.1s Time] [2022-11-19 07:58:55,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111640 states. [2022-11-19 07:59:01,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111640 to 111546. [2022-11-19 07:59:01,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111546 states, 66227 states have (on average 1.2494601899527382) internal successors, (82748), 68380 states have internal predecessors, (82748), 36317 states have call successors, (36317), 9115 states have call predecessors, (36317), 8998 states have return successors, (37290), 35023 states have call predecessors, (37290), 36313 states have call successors, (37290) [2022-11-19 07:59:01,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111546 states to 111546 states and 156355 transitions. [2022-11-19 07:59:01,965 INFO L78 Accepts]: Start accepts. Automaton has 111546 states and 156355 transitions. Word has length 270 [2022-11-19 07:59:01,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:59:01,967 INFO L495 AbstractCegarLoop]: Abstraction has 111546 states and 156355 transitions. [2022-11-19 07:59:01,967 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-11-19 07:59:01,967 INFO L276 IsEmpty]: Start isEmpty. Operand 111546 states and 156355 transitions. [2022-11-19 07:59:01,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2022-11-19 07:59:01,973 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:59:01,973 INFO L195 NwaCegarLoop]: trace histogram [25, 21, 21, 21, 21, 21, 21, 5, 5, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:59:01,973 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-19 07:59:01,974 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-11-19 07:59:01,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:59:01,974 INFO L85 PathProgramCache]: Analyzing trace with hash -1353338892, now seen corresponding path program 1 times [2022-11-19 07:59:01,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:59:01,975 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362089179] [2022-11-19 07:59:01,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:59:01,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:59:02,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:59:03,916 INFO L134 CoverageAnalysis]: Checked inductivity of 1894 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1894 trivial. 0 not checked. [2022-11-19 07:59:03,917 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:59:03,917 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362089179] [2022-11-19 07:59:03,917 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [362089179] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:59:03,917 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:59:03,917 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 07:59:03,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8741477] [2022-11-19 07:59:03,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:59:03,918 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 07:59:03,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:59:03,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 07:59:03,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:59:03,919 INFO L87 Difference]: Start difference. First operand 111546 states and 156355 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-11-19 07:59:09,277 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:59:22,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:59:22,034 INFO L93 Difference]: Finished difference Result 134199 states and 187415 transitions. [2022-11-19 07:59:22,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-19 07:59:22,035 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 278 [2022-11-19 07:59:22,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:59:22,954 INFO L225 Difference]: With dead ends: 134199 [2022-11-19 07:59:22,954 INFO L226 Difference]: Without dead ends: 134197 [2022-11-19 07:59:23,001 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-19 07:59:23,001 INFO L413 NwaCegarLoop]: 3666 mSDtfsCounter, 2503 mSDsluCounter, 10328 mSDsCounter, 0 mSdLazyCounter, 2251 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2519 SdHoareTripleChecker+Valid, 13994 SdHoareTripleChecker+Invalid, 2254 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 2251 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.4s IncrementalHoareTripleChecker+Time [2022-11-19 07:59:23,002 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2519 Valid, 13994 Invalid, 2254 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 2251 Invalid, 1 Unknown, 0 Unchecked, 13.4s Time] [2022-11-19 07:59:23,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134197 states. [2022-11-19 07:59:29,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134197 to 134190. [2022-11-19 07:59:29,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134190 states, 79626 states have (on average 1.246351694170246) internal successors, (99242), 82201 states have internal predecessors, (99242), 43599 states have call successors, (43599), 11087 states have call predecessors, (43599), 10961 states have return successors, (44568), 42030 states have call predecessors, (44568), 43591 states have call successors, (44568) [2022-11-19 07:59:30,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134190 states to 134190 states and 187409 transitions. [2022-11-19 07:59:30,529 INFO L78 Accepts]: Start accepts. Automaton has 134190 states and 187409 transitions. Word has length 278 [2022-11-19 07:59:30,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:59:30,529 INFO L495 AbstractCegarLoop]: Abstraction has 134190 states and 187409 transitions. [2022-11-19 07:59:30,530 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-11-19 07:59:30,530 INFO L276 IsEmpty]: Start isEmpty. Operand 134190 states and 187409 transitions. [2022-11-19 07:59:30,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2022-11-19 07:59:30,536 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:59:30,536 INFO L195 NwaCegarLoop]: trace histogram [25, 21, 21, 21, 21, 21, 21, 5, 5, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:59:30,537 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-19 07:59:30,537 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-11-19 07:59:30,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:59:30,538 INFO L85 PathProgramCache]: Analyzing trace with hash -1008553598, now seen corresponding path program 1 times [2022-11-19 07:59:30,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:59:30,538 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197412560] [2022-11-19 07:59:30,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:59:30,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:59:30,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:59:31,957 INFO L134 CoverageAnalysis]: Checked inductivity of 1897 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1895 trivial. 0 not checked. [2022-11-19 07:59:31,957 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:59:31,957 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197412560] [2022-11-19 07:59:31,957 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1197412560] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:59:31,957 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:59:31,958 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 07:59:31,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697168602] [2022-11-19 07:59:31,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:59:31,959 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 07:59:31,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:59:31,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 07:59:31,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:59:31,960 INFO L87 Difference]: Start difference. First operand 134190 states and 187409 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-11-19 07:59:37,872 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:59:41,121 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []