./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 aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_186a8884-7058-450f-88f9-525acb71a9a6/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_186a8884-7058-450f-88f9-525acb71a9a6/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_186a8884-7058-450f-88f9-525acb71a9a6/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_186a8884-7058-450f-88f9-525acb71a9a6/bin/utaipan-EQgc7hIp5V/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_186a8884-7058-450f-88f9-525acb71a9a6/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_186a8884-7058-450f-88f9-525acb71a9a6/bin/utaipan-EQgc7hIp5V --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash bc38af6d85a1ea18be4ba0c188eed765e9a84460b9b23510e792660c4b3625d7 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 02:13:55,952 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 02:13:55,954 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 02:13:55,995 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 02:13:55,996 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 02:13:55,997 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 02:13:56,000 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 02:13:56,003 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 02:13:56,006 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 02:13:56,010 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 02:13:56,013 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 02:13:56,017 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 02:13:56,019 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 02:13:56,025 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 02:13:56,027 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 02:13:56,031 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 02:13:56,036 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 02:13:56,045 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 02:13:56,048 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 02:13:56,054 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 02:13:56,061 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 02:13:56,063 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 02:13:56,065 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 02:13:56,068 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 02:13:56,073 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 02:13:56,084 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 02:13:56,084 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 02:13:56,086 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 02:13:56,086 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 02:13:56,089 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 02:13:56,091 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 02:13:56,092 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 02:13:56,094 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 02:13:56,095 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 02:13:56,097 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 02:13:56,098 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 02:13:56,099 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 02:13:56,100 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 02:13:56,100 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 02:13:56,101 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 02:13:56,102 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 02:13:56,105 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_186a8884-7058-450f-88f9-525acb71a9a6/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-23 02:13:56,142 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 02:13:56,142 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 02:13:56,142 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 02:13:56,143 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 02:13:56,144 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 02:13:56,144 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 02:13:56,144 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 02:13:56,144 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 02:13:56,145 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 02:13:56,145 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 02:13:56,145 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 02:13:56,145 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 02:13:56,146 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 02:13:56,146 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 02:13:56,146 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 02:13:56,146 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 02:13:56,147 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 02:13:56,147 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 02:13:56,148 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 02:13:56,148 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 02:13:56,148 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 02:13:56,149 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 02:13:56,149 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 02:13:56,149 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 02:13:56,149 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 02:13:56,150 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 02:13:56,150 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 02:13:56,150 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 02:13:56,150 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 02:13:56,151 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:13:56,151 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 02:13:56,151 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 02:13:56,151 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 02:13:56,152 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 02:13:56,152 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 02:13:56,152 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 02:13:56,152 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 02:13:56,153 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 02:13:56,153 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_186a8884-7058-450f-88f9-525acb71a9a6/bin/utaipan-EQgc7hIp5V/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_186a8884-7058-450f-88f9-525acb71a9a6/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bc38af6d85a1ea18be4ba0c188eed765e9a84460b9b23510e792660c4b3625d7 [2021-11-23 02:13:56,468 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 02:13:56,498 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 02:13:56,501 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 02:13:56,502 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 02:13:56,504 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 02:13:56,506 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_186a8884-7058-450f-88f9-525acb71a9a6/bin/utaipan-EQgc7hIp5V/../../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 [2021-11-23 02:13:56,606 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_186a8884-7058-450f-88f9-525acb71a9a6/bin/utaipan-EQgc7hIp5V/data/83f9f318e/1987ee3fd8194cc3acf31bde86c10d4b/FLAGa2f025200 [2021-11-23 02:13:57,791 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 02:13:57,793 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_186a8884-7058-450f-88f9-525acb71a9a6/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 [2021-11-23 02:13:57,882 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_186a8884-7058-450f-88f9-525acb71a9a6/bin/utaipan-EQgc7hIp5V/data/83f9f318e/1987ee3fd8194cc3acf31bde86c10d4b/FLAGa2f025200 [2021-11-23 02:13:57,967 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_186a8884-7058-450f-88f9-525acb71a9a6/bin/utaipan-EQgc7hIp5V/data/83f9f318e/1987ee3fd8194cc3acf31bde86c10d4b [2021-11-23 02:13:57,972 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 02:13:57,974 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 02:13:57,976 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 02:13:57,976 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 02:13:57,980 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 02:13:57,982 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:13:57" (1/1) ... [2021-11-23 02:13:57,984 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ab10491 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:13:57, skipping insertion in model container [2021-11-23 02:13:57,984 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:13:57" (1/1) ... [2021-11-23 02:13:57,992 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 02:13:58,243 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 02:14:04,449 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_186a8884-7058-450f-88f9-525acb71a9a6/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] [2021-11-23 02:14:04,454 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_186a8884-7058-450f-88f9-525acb71a9a6/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] [2021-11-23 02:14:04,455 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_186a8884-7058-450f-88f9-525acb71a9a6/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] [2021-11-23 02:14:04,464 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_186a8884-7058-450f-88f9-525acb71a9a6/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] [2021-11-23 02:14:04,519 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:14:04,632 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 02:14:05,434 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_186a8884-7058-450f-88f9-525acb71a9a6/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] [2021-11-23 02:14:05,435 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_186a8884-7058-450f-88f9-525acb71a9a6/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] [2021-11-23 02:14:05,435 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_186a8884-7058-450f-88f9-525acb71a9a6/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] [2021-11-23 02:14:05,436 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_186a8884-7058-450f-88f9-525acb71a9a6/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] [2021-11-23 02:14:05,448 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 02:14:05,926 INFO L208 MainTranslator]: Completed translation [2021-11-23 02:14:05,927 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:14:05 WrapperNode [2021-11-23 02:14:05,927 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 02:14:05,928 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 02:14:05,928 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 02:14:05,929 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 02:14:05,935 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:14:05" (1/1) ... [2021-11-23 02:14:06,175 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:14:05" (1/1) ... [2021-11-23 02:14:06,586 INFO L137 Inliner]: procedures = 703, calls = 5887, calls flagged for inlining = 364, calls inlined = 322, statements flattened = 10884 [2021-11-23 02:14:06,587 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 02:14:06,587 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 02:14:06,588 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 02:14:06,589 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 02:14:06,599 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:14:05" (1/1) ... [2021-11-23 02:14:06,600 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:14:05" (1/1) ... [2021-11-23 02:14:06,675 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:14:05" (1/1) ... [2021-11-23 02:14:06,677 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:14:05" (1/1) ... [2021-11-23 02:14:07,052 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:14:05" (1/1) ... [2021-11-23 02:14:07,111 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:14:05" (1/1) ... [2021-11-23 02:14:07,230 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:14:05" (1/1) ... [2021-11-23 02:14:07,299 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 02:14:07,300 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 02:14:07,301 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 02:14:07,301 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 02:14:07,302 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:14:05" (1/1) ... [2021-11-23 02:14:07,311 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:14:07,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_186a8884-7058-450f-88f9-525acb71a9a6/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 02:14:07,343 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_186a8884-7058-450f-88f9-525acb71a9a6/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 02:14:07,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_186a8884-7058-450f-88f9-525acb71a9a6/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 02:14:07,401 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_93 [2021-11-23 02:14:07,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_93 [2021-11-23 02:14:07,402 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-11-23 02:14:07,402 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-11-23 02:14:07,402 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_irq_disable [2021-11-23 02:14:07,402 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_irq_disable [2021-11-23 02:14:07,404 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-23 02:14:07,404 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-23 02:14:07,404 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-11-23 02:14:07,405 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-11-23 02:14:07,405 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_80 [2021-11-23 02:14:07,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_80 [2021-11-23 02:14:07,405 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_intr [2021-11-23 02:14:07,405 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_intr [2021-11-23 02:14:07,406 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-11-23 02:14:07,407 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-11-23 02:14:07,407 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 02:14:07,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 02:14:07,407 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_minnow_platform_init [2021-11-23 02:14:07,407 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_minnow_platform_init [2021-11-23 02:14:07,408 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_open [2021-11-23 02:14:07,408 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_open [2021-11-23 02:14:07,408 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2021-11-23 02:14:07,408 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2021-11-23 02:14:07,408 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-23 02:14:07,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-23 02:14:07,409 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_reinit_locked [2021-11-23 02:14:07,409 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_reinit_locked [2021-11-23 02:14:07,410 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_hal_power_up_phy [2021-11-23 02:14:07,410 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_hal_power_up_phy [2021-11-23 02:14:07,410 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_setup_tx_resources [2021-11-23 02:14:07,411 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_setup_tx_resources [2021-11-23 02:14:07,411 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-11-23 02:14:07,411 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-11-23 02:14:07,411 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-23 02:14:07,411 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-23 02:14:07,412 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-23 02:14:07,412 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-23 02:14:07,412 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_netpoll [2021-11-23 02:14:07,412 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_netpoll [2021-11-23 02:14:07,413 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_plat_init_hw [2021-11-23 02:14:07,413 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_plat_init_hw [2021-11-23 02:14:07,413 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_free_rx_resources [2021-11-23 02:14:07,414 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_free_rx_resources [2021-11-23 02:14:07,415 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_free_tx_resources [2021-11-23 02:14:07,415 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_free_tx_resources [2021-11-23 02:14:07,415 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2021-11-23 02:14:07,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2021-11-23 02:14:07,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_pch_gbe_exit_module_17_2 [2021-11-23 02:14:07,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_pch_gbe_exit_module_17_2 [2021-11-23 02:14:07,416 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-11-23 02:14:07,416 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-11-23 02:14:07,417 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-23 02:14:07,417 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-23 02:14:07,418 INFO L130 BoogieDeclarations]: Found specification of procedure dma_zalloc_coherent [2021-11-23 02:14:07,418 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_zalloc_coherent [2021-11-23 02:14:07,418 INFO L130 BoogieDeclarations]: Found specification of procedure pch_set_station_address [2021-11-23 02:14:07,418 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_set_station_address [2021-11-23 02:14:07,418 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-23 02:14:07,419 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-23 02:14:07,419 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-23 02:14:07,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-23 02:14:07,419 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mdio_write [2021-11-23 02:14:07,420 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mdio_write [2021-11-23 02:14:07,420 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-23 02:14:07,420 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-23 02:14:07,420 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2021-11-23 02:14:07,420 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2021-11-23 02:14:07,421 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-23 02:14:07,421 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-23 02:14:07,421 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-23 02:14:07,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-23 02:14:07,422 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-23 02:14:07,422 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-23 02:14:07,422 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-11-23 02:14:07,422 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-11-23 02:14:07,423 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 02:14:07,423 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_power_up [2021-11-23 02:14:07,424 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_power_up [2021-11-23 02:14:07,424 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-11-23 02:14:07,424 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-11-23 02:14:07,424 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_resume [2021-11-23 02:14:07,424 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_resume [2021-11-23 02:14:07,426 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-23 02:14:07,426 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-23 02:14:07,426 INFO L130 BoogieDeclarations]: Found specification of procedure pch_ch_event_write [2021-11-23 02:14:07,427 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_ch_event_write [2021-11-23 02:14:07,427 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2021-11-23 02:14:07,428 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2021-11-23 02:14:07,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-23 02:14:07,428 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-11-23 02:14:07,428 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-11-23 02:14:07,428 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-23 02:14:07,429 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-23 02:14:07,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2021-11-23 02:14:07,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2021-11-23 02:14:07,429 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-23 02:14:07,429 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-23 02:14:07,430 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_enable_dma_rx [2021-11-23 02:14:07,430 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_enable_dma_rx [2021-11-23 02:14:07,430 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_configure_rx [2021-11-23 02:14:07,431 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_configure_rx [2021-11-23 02:14:07,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-23 02:14:07,431 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_wait_clr_bit [2021-11-23 02:14:07,432 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_wait_clr_bit [2021-11-23 02:14:07,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-23 02:14:07,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-23 02:14:07,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 02:14:07,436 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-23 02:14:07,436 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-23 02:14:07,437 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2021-11-23 02:14:07,438 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2021-11-23 02:14:07,438 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-23 02:14:07,438 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-23 02:14:07,438 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_remove [2021-11-23 02:14:07,445 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_remove [2021-11-23 02:14:07,445 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-23 02:14:07,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-23 02:14:07,446 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-11-23 02:14:07,446 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-11-23 02:14:07,446 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-23 02:14:07,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-23 02:14:07,447 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-23 02:14:07,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-23 02:14:07,447 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-11-23 02:14:07,447 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-11-23 02:14:07,447 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_force_mac_fc [2021-11-23 02:14:07,448 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_force_mac_fc [2021-11-23 02:14:07,448 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_suspend [2021-11-23 02:14:07,448 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_suspend [2021-11-23 02:14:07,448 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-11-23 02:14:07,448 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-11-23 02:14:07,449 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-11-23 02:14:07,449 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-11-23 02:14:07,449 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-23 02:14:07,449 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-23 02:14:07,449 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_set_value [2021-11-23 02:14:07,449 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_set_value [2021-11-23 02:14:07,450 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-23 02:14:07,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-23 02:14:07,450 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 02:14:07,451 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-23 02:14:07,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-23 02:14:07,451 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-23 02:14:07,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-23 02:14:07,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2021-11-23 02:14:07,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2021-11-23 02:14:07,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_5 [2021-11-23 02:14:07,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_5 [2021-11-23 02:14:07,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2021-11-23 02:14:07,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2021-11-23 02:14:07,453 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-11-23 02:14:07,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-11-23 02:14:07,453 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-11-23 02:14:07,453 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-11-23 02:14:07,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 02:14:07,453 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-11-23 02:14:07,454 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-11-23 02:14:07,454 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-23 02:14:07,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-23 02:14:07,454 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-23 02:14:07,454 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-23 02:14:07,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 02:14:07,455 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 02:14:07,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 02:14:07,455 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2021-11-23 02:14:07,455 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2021-11-23 02:14:07,455 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-23 02:14:07,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-23 02:14:07,455 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-23 02:14:07,456 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-23 02:14:07,456 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2021-11-23 02:14:07,456 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2021-11-23 02:14:07,456 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-11-23 02:14:07,456 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-11-23 02:14:07,456 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_set_wol_event [2021-11-23 02:14:07,457 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_set_wol_event [2021-11-23 02:14:07,457 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-23 02:14:07,457 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-23 02:14:07,457 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_ctrl_miim [2021-11-23 02:14:07,457 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_ctrl_miim [2021-11-23 02:14:07,457 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-23 02:14:07,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-23 02:14:07,458 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_get_regs_len [2021-11-23 02:14:07,458 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_get_regs_len [2021-11-23 02:14:07,458 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-23 02:14:07,458 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-23 02:14:07,458 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 02:14:07,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 02:14:07,459 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_alloc_rx_buffers [2021-11-23 02:14:07,459 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_alloc_rx_buffers [2021-11-23 02:14:07,459 INFO L130 BoogieDeclarations]: Found specification of procedure __pch_gbe_suspend [2021-11-23 02:14:07,459 INFO L138 BoogieDeclarations]: Found implementation of procedure __pch_gbe_suspend [2021-11-23 02:14:07,459 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2021-11-23 02:14:07,459 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2021-11-23 02:14:07,460 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_plat_get_bus_info [2021-11-23 02:14:07,460 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_plat_get_bus_info [2021-11-23 02:14:07,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-11-23 02:14:07,460 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-11-23 02:14:07,460 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_power_down [2021-11-23 02:14:07,460 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_power_down [2021-11-23 02:14:07,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 02:14:07,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 02:14:07,461 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-23 02:14:07,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-23 02:14:07,461 INFO L130 BoogieDeclarations]: Found specification of procedure csum_tcpudp_magic [2021-11-23 02:14:07,461 INFO L138 BoogieDeclarations]: Found implementation of procedure csum_tcpudp_magic [2021-11-23 02:14:07,461 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-23 02:14:07,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-23 02:14:07,462 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_update_stats [2021-11-23 02:14:07,462 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_update_stats [2021-11-23 02:14:07,462 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-23 02:14:07,462 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-23 02:14:07,462 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2021-11-23 02:14:07,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2021-11-23 02:14:07,463 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-23 02:14:07,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-23 02:14:07,463 INFO L130 BoogieDeclarations]: Found specification of procedure skb_checksum [2021-11-23 02:14:07,463 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_checksum [2021-11-23 02:14:07,463 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mdio_read [2021-11-23 02:14:07,463 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mdio_read [2021-11-23 02:14:07,464 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_clean_rx_ring [2021-11-23 02:14:07,464 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_clean_rx_ring [2021-11-23 02:14:07,464 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-11-23 02:14:07,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-11-23 02:14:07,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_tx_lock_of_pch_gbe_tx_ring [2021-11-23 02:14:07,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_tx_lock_of_pch_gbe_tx_ring [2021-11-23 02:14:07,464 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_up [2021-11-23 02:14:07,465 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_up [2021-11-23 02:14:07,465 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-23 02:14:07,465 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-23 02:14:07,465 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-23 02:14:07,466 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-23 02:14:07,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-11-23 02:14:07,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-11-23 02:14:07,470 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_gset [2021-11-23 02:14:07,470 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_gset [2021-11-23 02:14:07,471 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_clean_tx_ring [2021-11-23 02:14:07,471 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_clean_tx_ring [2021-11-23 02:14:07,471 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_reset [2021-11-23 02:14:07,471 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_reset [2021-11-23 02:14:07,471 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-11-23 02:14:07,472 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-11-23 02:14:07,474 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies [2021-11-23 02:14:07,474 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies [2021-11-23 02:14:07,474 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_stop_14_2 [2021-11-23 02:14:07,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_stop_14_2 [2021-11-23 02:14:07,475 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_stop [2021-11-23 02:14:07,475 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_stop [2021-11-23 02:14:07,475 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 02:14:07,475 INFO L130 BoogieDeclarations]: Found specification of procedure ns_to_ktime [2021-11-23 02:14:07,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_to_ktime [2021-11-23 02:14:07,475 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-11-23 02:14:07,475 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-11-23 02:14:07,476 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-23 02:14:07,476 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-23 02:14:07,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 02:14:07,476 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_io_resume [2021-11-23 02:14:07,476 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_io_resume [2021-11-23 02:14:07,476 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~s32~0 [2021-11-23 02:14:07,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~s32~0 [2021-11-23 02:14:07,476 INFO L130 BoogieDeclarations]: Found specification of procedure pch_ch_event_read [2021-11-23 02:14:07,477 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_ch_event_read [2021-11-23 02:14:07,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 02:14:07,477 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-23 02:14:07,477 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-23 02:14:07,477 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-23 02:14:07,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-23 02:14:07,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-11-23 02:14:07,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-11-23 02:14:07,478 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_nway_reset [2021-11-23 02:14:07,478 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_nway_reset [2021-11-23 02:14:07,478 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-23 02:14:07,478 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-23 02:14:07,478 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-11-23 02:14:07,478 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-11-23 02:14:07,478 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_irq_enable [2021-11-23 02:14:07,479 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_irq_enable [2021-11-23 02:14:07,479 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-23 02:14:07,479 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-23 02:14:07,479 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_hw_reset [2021-11-23 02:14:07,479 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_hw_reset [2021-11-23 02:14:07,479 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_tx_timeout [2021-11-23 02:14:07,479 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_tx_timeout [2021-11-23 02:14:07,480 INFO L130 BoogieDeclarations]: Found specification of procedure mii_link_ok [2021-11-23 02:14:07,480 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_link_ok [2021-11-23 02:14:07,480 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-23 02:14:07,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-23 02:14:07,480 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-23 02:14:07,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-23 02:14:07,480 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_sset [2021-11-23 02:14:07,480 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_sset [2021-11-23 02:14:07,481 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_hal_power_down_phy [2021-11-23 02:14:07,481 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_hal_power_down_phy [2021-11-23 02:14:07,481 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-11-23 02:14:07,481 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-11-23 02:14:07,481 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_set_mode [2021-11-23 02:14:07,481 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_set_mode [2021-11-23 02:14:07,481 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-23 02:14:07,482 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-23 02:14:07,482 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-23 02:14:07,482 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-23 02:14:07,482 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_setup_rx_resources [2021-11-23 02:14:07,482 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_setup_rx_resources [2021-11-23 02:14:07,482 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-23 02:14:07,482 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-23 02:14:07,482 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-23 02:14:07,483 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-23 02:14:07,483 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_validate_option [2021-11-23 02:14:07,483 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_validate_option [2021-11-23 02:14:07,483 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_reset_hw [2021-11-23 02:14:07,483 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_reset_hw [2021-11-23 02:14:07,483 INFO L130 BoogieDeclarations]: Found specification of procedure udp_hdr [2021-11-23 02:14:07,483 INFO L138 BoogieDeclarations]: Found implementation of procedure udp_hdr [2021-11-23 02:14:07,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 02:14:07,484 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_setup_rctl [2021-11-23 02:14:07,484 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_setup_rctl [2021-11-23 02:14:07,484 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_sw_reset [2021-11-23 02:14:07,484 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_sw_reset [2021-11-23 02:14:07,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-23 02:14:07,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-23 02:14:07,485 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_hal_phy_hw_reset [2021-11-23 02:14:07,485 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_hal_phy_hw_reset [2021-11-23 02:14:07,485 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_write_reg_miic [2021-11-23 02:14:07,485 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_write_reg_miic [2021-11-23 02:14:07,485 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-23 02:14:07,485 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-23 02:14:07,485 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-11-23 02:14:07,485 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-11-23 02:14:07,486 INFO L130 BoogieDeclarations]: Found specification of procedure pch_ch_control_write [2021-11-23 02:14:07,486 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_ch_control_write [2021-11-23 02:14:07,486 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_set_multi [2021-11-23 02:14:07,486 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_set_multi [2021-11-23 02:14:07,486 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_shutdown [2021-11-23 02:14:07,486 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_shutdown [2021-11-23 02:14:07,486 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-11-23 02:14:07,486 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-11-23 02:14:07,487 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-11-23 02:14:07,487 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-11-23 02:14:07,487 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_read_reg_miic [2021-11-23 02:14:07,487 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_read_reg_miic [2021-11-23 02:14:07,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_95 [2021-11-23 02:14:07,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_95 [2021-11-23 02:14:07,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-23 02:14:07,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-23 02:14:07,488 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_read_mac_addr [2021-11-23 02:14:07,488 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_read_mac_addr [2021-11-23 02:14:07,488 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_set_rgmii_ctrl [2021-11-23 02:14:07,488 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_set_rgmii_ctrl [2021-11-23 02:14:07,488 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed [2021-11-23 02:14:07,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed [2021-11-23 02:14:07,488 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_down [2021-11-23 02:14:07,489 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_down [2021-11-23 02:14:07,489 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_free_irq [2021-11-23 02:14:07,489 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_free_irq [2021-11-23 02:14:07,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 02:14:07,489 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_mar_set [2021-11-23 02:14:07,489 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_mar_set [2021-11-23 02:14:07,489 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-23 02:14:07,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-23 02:14:09,107 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 02:14:09,117 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 02:14:09,612 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-23 02:14:26,541 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-23 02:14:27,387 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 02:14:29,879 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 02:14:29,880 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 02:14:29,888 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:14:29 BoogieIcfgContainer [2021-11-23 02:14:29,888 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 02:14:29,891 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 02:14:29,892 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 02:14:29,896 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 02:14:29,897 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:13:57" (1/3) ... [2021-11-23 02:14:29,898 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@161bdfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:14:29, skipping insertion in model container [2021-11-23 02:14:29,898 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:14:05" (2/3) ... [2021-11-23 02:14:29,899 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@161bdfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:14:29, skipping insertion in model container [2021-11-23 02:14:29,899 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:14:29" (3/3) ... [2021-11-23 02:14:29,901 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i [2021-11-23 02:14:29,908 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 02:14:29,908 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2021-11-23 02:14:30,003 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 02:14:30,014 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-23 02:14:30,014 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-11-23 02:14:30,108 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) [2021-11-23 02:14:30,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2021-11-23 02:14:30,133 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:14:30,134 INFO L514 BasicCegarLoop]: 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, 1] [2021-11-23 02:14:30,134 INFO L402 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)] === [2021-11-23 02:14:30,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:14:30,139 INFO L85 PathProgramCache]: Analyzing trace with hash -277768957, now seen corresponding path program 1 times [2021-11-23 02:14:30,147 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:14:30,148 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070286283] [2021-11-23 02:14:30,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:14:30,149 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:14:30,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:14:31,381 INFO L134 CoverageAnalysis]: Checked inductivity of 1725 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1725 trivial. 0 not checked. [2021-11-23 02:14:31,381 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:14:31,382 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1070286283] [2021-11-23 02:14:31,383 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1070286283] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:14:31,383 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:14:31,384 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:14:31,385 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325004227] [2021-11-23 02:14:31,386 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:14:31,391 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:14:31,392 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:14:31,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:14:31,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:14:31,444 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 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 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) [2021-11-23 02:14:36,893 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:14:38,734 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:14:40,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:14:40,777 INFO L93 Difference]: Finished difference Result 7345 states and 10866 transitions. [2021-11-23 02:14:40,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:14:40,780 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 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 235 [2021-11-23 02:14:40,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:14:40,848 INFO L225 Difference]: With dead ends: 7345 [2021-11-23 02:14:40,849 INFO L226 Difference]: Without dead ends: 4819 [2021-11-23 02:14:40,875 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:14:40,879 INFO L933 BasicCegarLoop]: 3873 mSDtfsCounter, 3292 mSDsluCounter, 3609 mSDsCounter, 0 mSdLazyCounter, 1117 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3292 SdHoareTripleChecker+Valid, 6948 SdHoareTripleChecker+Invalid, 1127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1117 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2021-11-23 02:14:40,880 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3292 Valid, 6948 Invalid, 1127 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 1117 Invalid, 1 Unknown, 0 Unchecked, 8.7s Time] [2021-11-23 02:14:40,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4819 states. [2021-11-23 02:14:41,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4819 to 4812. [2021-11-23 02:14:41,279 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) [2021-11-23 02:14:41,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4812 states to 4812 states and 6887 transitions. [2021-11-23 02:14:41,516 INFO L78 Accepts]: Start accepts. Automaton has 4812 states and 6887 transitions. Word has length 235 [2021-11-23 02:14:41,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:14:41,521 INFO L470 AbstractCegarLoop]: Abstraction has 4812 states and 6887 transitions. [2021-11-23 02:14:41,522 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 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) [2021-11-23 02:14:41,523 INFO L276 IsEmpty]: Start isEmpty. Operand 4812 states and 6887 transitions. [2021-11-23 02:14:41,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2021-11-23 02:14:41,539 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:14:41,539 INFO L514 BasicCegarLoop]: 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] [2021-11-23 02:14:41,540 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 02:14:41,540 INFO L402 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)] === [2021-11-23 02:14:41,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:14:41,544 INFO L85 PathProgramCache]: Analyzing trace with hash 143152162, now seen corresponding path program 1 times [2021-11-23 02:14:41,546 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:14:41,547 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773171498] [2021-11-23 02:14:41,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:14:41,547 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:14:41,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:14:42,131 INFO L134 CoverageAnalysis]: Checked inductivity of 1722 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1722 trivial. 0 not checked. [2021-11-23 02:14:42,132 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:14:42,132 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1773171498] [2021-11-23 02:14:42,132 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1773171498] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:14:42,133 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:14:42,133 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:14:42,133 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156559465] [2021-11-23 02:14:42,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:14:42,136 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:14:42,137 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:14:42,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:14:42,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:14:42,138 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) [2021-11-23 02:14:45,418 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:14:49,472 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:14:51,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:14:51,955 INFO L93 Difference]: Finished difference Result 14077 states and 20100 transitions. [2021-11-23 02:14:51,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:14:51,961 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 [2021-11-23 02:14:51,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:14:52,068 INFO L225 Difference]: With dead ends: 14077 [2021-11-23 02:14:52,068 INFO L226 Difference]: Without dead ends: 9308 [2021-11-23 02:14:52,108 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:14:52,109 INFO L933 BasicCegarLoop]: 3910 mSDtfsCounter, 3228 mSDsluCounter, 3591 mSDsCounter, 0 mSdLazyCounter, 1132 mSolverCounterSat, 7 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3228 SdHoareTripleChecker+Valid, 6971 SdHoareTripleChecker+Invalid, 1141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1132 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.3s IncrementalHoareTripleChecker+Time [2021-11-23 02:14:52,115 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3228 Valid, 6971 Invalid, 1141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1132 Invalid, 2 Unknown, 0 Unchecked, 9.3s Time] [2021-11-23 02:14:52,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9308 states. [2021-11-23 02:14:52,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9308 to 9273. [2021-11-23 02:14:52,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9273 states, 5513 states have (on average 1.2791583529838564) internal successors, (7052), 5675 states have internal predecessors, (7052), 3086 states have call successors, (3086), 671 states have call predecessors, (3086), 670 states have return successors, (3082), 3013 states have call predecessors, (3082), 3082 states have call successors, (3082) [2021-11-23 02:14:53,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9273 states to 9273 states and 13220 transitions. [2021-11-23 02:14:53,085 INFO L78 Accepts]: Start accepts. Automaton has 9273 states and 13220 transitions. Word has length 239 [2021-11-23 02:14:53,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:14:53,087 INFO L470 AbstractCegarLoop]: Abstraction has 9273 states and 13220 transitions. [2021-11-23 02:14:53,088 INFO L471 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) [2021-11-23 02:14:53,088 INFO L276 IsEmpty]: Start isEmpty. Operand 9273 states and 13220 transitions. [2021-11-23 02:14:53,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2021-11-23 02:14:53,098 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:14:53,098 INFO L514 BasicCegarLoop]: 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] [2021-11-23 02:14:53,098 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 02:14:53,099 INFO L402 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)] === [2021-11-23 02:14:53,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:14:53,101 INFO L85 PathProgramCache]: Analyzing trace with hash 2120971942, now seen corresponding path program 1 times [2021-11-23 02:14:53,101 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:14:53,101 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275511580] [2021-11-23 02:14:53,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:14:53,102 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:14:53,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:14:53,664 INFO L134 CoverageAnalysis]: Checked inductivity of 1722 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1722 trivial. 0 not checked. [2021-11-23 02:14:53,665 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:14:53,665 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275511580] [2021-11-23 02:14:53,666 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1275511580] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:14:53,667 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:14:53,667 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:14:53,667 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791740000] [2021-11-23 02:14:53,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:14:53,668 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:14:53,668 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:14:53,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:14:53,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:14:53,669 INFO L87 Difference]: Start difference. First operand 9273 states and 13220 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2021-11-23 02:14:57,789 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:15:03,047 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:15:03,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:15:03,728 INFO L93 Difference]: Finished difference Result 22874 states and 32583 transitions. [2021-11-23 02:15:03,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:15:03,729 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 [2021-11-23 02:15:03,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:15:03,848 INFO L225 Difference]: With dead ends: 22874 [2021-11-23 02:15:03,848 INFO L226 Difference]: Without dead ends: 13644 [2021-11-23 02:15:03,905 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:15:03,906 INFO L933 BasicCegarLoop]: 3860 mSDtfsCounter, 3259 mSDsluCounter, 3628 mSDsCounter, 0 mSdLazyCounter, 1094 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3259 SdHoareTripleChecker+Valid, 6945 SdHoareTripleChecker+Invalid, 1097 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1094 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.5s IncrementalHoareTripleChecker+Time [2021-11-23 02:15:03,907 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3259 Valid, 6945 Invalid, 1097 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1094 Invalid, 2 Unknown, 0 Unchecked, 9.5s Time] [2021-11-23 02:15:03,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13644 states. [2021-11-23 02:15:04,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13644 to 13611. [2021-11-23 02:15:04,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13611 states, 8106 states have (on average 1.2802862077473476) internal successors, (10378), 8339 states have internal predecessors, (10378), 4502 states have call successors, (4502), 1000 states have call predecessors, (4502), 999 states have return successors, (4498), 4393 states have call predecessors, (4498), 4498 states have call successors, (4498) [2021-11-23 02:15:04,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13611 states to 13611 states and 19378 transitions. [2021-11-23 02:15:04,953 INFO L78 Accepts]: Start accepts. Automaton has 13611 states and 19378 transitions. Word has length 240 [2021-11-23 02:15:04,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:15:04,954 INFO L470 AbstractCegarLoop]: Abstraction has 13611 states and 19378 transitions. [2021-11-23 02:15:04,955 INFO L471 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) [2021-11-23 02:15:04,955 INFO L276 IsEmpty]: Start isEmpty. Operand 13611 states and 19378 transitions. [2021-11-23 02:15:04,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2021-11-23 02:15:04,964 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:15:04,964 INFO L514 BasicCegarLoop]: 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] [2021-11-23 02:15:04,964 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-23 02:15:04,965 INFO L402 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)] === [2021-11-23 02:15:04,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:15:04,966 INFO L85 PathProgramCache]: Analyzing trace with hash 1140226960, now seen corresponding path program 1 times [2021-11-23 02:15:04,966 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:15:04,966 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823066723] [2021-11-23 02:15:04,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:15:04,967 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:15:05,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:15:05,477 INFO L134 CoverageAnalysis]: Checked inductivity of 1722 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1722 trivial. 0 not checked. [2021-11-23 02:15:05,477 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:15:05,477 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823066723] [2021-11-23 02:15:05,478 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1823066723] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:15:05,478 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:15:05,478 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:15:05,478 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304612711] [2021-11-23 02:15:05,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:15:05,479 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:15:05,480 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:15:05,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:15:05,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:15:05,481 INFO L87 Difference]: Start difference. First operand 13611 states and 19378 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2021-11-23 02:15:08,775 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:15:15,685 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:15:16,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:15:16,350 INFO L93 Difference]: Finished difference Result 31653 states and 45081 transitions. [2021-11-23 02:15:16,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:15:16,350 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 [2021-11-23 02:15:16,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:15:16,483 INFO L225 Difference]: With dead ends: 31653 [2021-11-23 02:15:16,483 INFO L226 Difference]: Without dead ends: 18085 [2021-11-23 02:15:16,558 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:15:16,560 INFO L933 BasicCegarLoop]: 3819 mSDtfsCounter, 2723 mSDsluCounter, 3532 mSDsCounter, 0 mSdLazyCounter, 1153 mSolverCounterSat, 7 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2723 SdHoareTripleChecker+Valid, 6846 SdHoareTripleChecker+Invalid, 1162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1153 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.1s IncrementalHoareTripleChecker+Time [2021-11-23 02:15:16,560 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2723 Valid, 6846 Invalid, 1162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1153 Invalid, 2 Unknown, 0 Unchecked, 10.1s Time] [2021-11-23 02:15:16,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18085 states. [2021-11-23 02:15:17,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18085 to 18049. [2021-11-23 02:15:17,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18049 states, 10694 states have (on average 1.2683747896016457) internal successors, (13564), 11009 states have internal predecessors, (13564), 5968 states have call successors, (5968), 1396 states have call predecessors, (5968), 1383 states have return successors, (6161), 5790 states have call predecessors, (6161), 5964 states have call successors, (6161) [2021-11-23 02:15:17,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18049 states to 18049 states and 25693 transitions. [2021-11-23 02:15:17,687 INFO L78 Accepts]: Start accepts. Automaton has 18049 states and 25693 transitions. Word has length 243 [2021-11-23 02:15:17,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:15:17,691 INFO L470 AbstractCegarLoop]: Abstraction has 18049 states and 25693 transitions. [2021-11-23 02:15:17,691 INFO L471 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) [2021-11-23 02:15:17,691 INFO L276 IsEmpty]: Start isEmpty. Operand 18049 states and 25693 transitions. [2021-11-23 02:15:17,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2021-11-23 02:15:17,698 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:15:17,698 INFO L514 BasicCegarLoop]: 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] [2021-11-23 02:15:17,698 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-23 02:15:17,699 INFO L402 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)] === [2021-11-23 02:15:17,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:15:17,699 INFO L85 PathProgramCache]: Analyzing trace with hash 1596022519, now seen corresponding path program 1 times [2021-11-23 02:15:17,699 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:15:17,700 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058501958] [2021-11-23 02:15:17,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:15:17,700 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:15:17,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:15:18,054 INFO L134 CoverageAnalysis]: Checked inductivity of 1722 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1722 trivial. 0 not checked. [2021-11-23 02:15:18,055 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:15:18,055 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058501958] [2021-11-23 02:15:18,055 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1058501958] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:15:18,057 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:15:18,058 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:15:18,058 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [54264613] [2021-11-23 02:15:18,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:15:18,059 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:15:18,059 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:15:18,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:15:18,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:15:18,060 INFO L87 Difference]: Start difference. First operand 18049 states and 25693 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-11-23 02:15:22,795 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:15:25,306 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:15:26,401 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:15:31,292 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:15:31,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:15:31,820 INFO L93 Difference]: Finished difference Result 52769 states and 74919 transitions. [2021-11-23 02:15:31,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:15:31,820 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 [2021-11-23 02:15:31,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:15:32,050 INFO L225 Difference]: With dead ends: 52769 [2021-11-23 02:15:32,050 INFO L226 Difference]: Without dead ends: 34763 [2021-11-23 02:15:32,137 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:15:32,139 INFO L933 BasicCegarLoop]: 4537 mSDtfsCounter, 3108 mSDsluCounter, 3545 mSDsCounter, 0 mSdLazyCounter, 1357 mSolverCounterSat, 29 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3108 SdHoareTripleChecker+Valid, 7565 SdHoareTripleChecker+Invalid, 1388 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1357 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.5s IncrementalHoareTripleChecker+Time [2021-11-23 02:15:32,140 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3108 Valid, 7565 Invalid, 1388 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1357 Invalid, 2 Unknown, 0 Unchecked, 12.5s Time] [2021-11-23 02:15:32,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34763 states. [2021-11-23 02:15:34,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34763 to 34712. [2021-11-23 02:15:34,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34712 states, 20478 states have (on average 1.2563726926457661) internal successors, (25728), 21120 states have internal predecessors, (25728), 11475 states have call successors, (11475), 2780 states have call predecessors, (11475), 2755 states have return successors, (11772), 11102 states have call predecessors, (11772), 11471 states have call successors, (11772) [2021-11-23 02:15:34,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34712 states to 34712 states and 48975 transitions. [2021-11-23 02:15:34,358 INFO L78 Accepts]: Start accepts. Automaton has 34712 states and 48975 transitions. Word has length 245 [2021-11-23 02:15:34,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:15:34,359 INFO L470 AbstractCegarLoop]: Abstraction has 34712 states and 48975 transitions. [2021-11-23 02:15:34,360 INFO L471 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) [2021-11-23 02:15:34,360 INFO L276 IsEmpty]: Start isEmpty. Operand 34712 states and 48975 transitions. [2021-11-23 02:15:34,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2021-11-23 02:15:34,373 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:15:34,373 INFO L514 BasicCegarLoop]: 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] [2021-11-23 02:15:34,374 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-23 02:15:34,374 INFO L402 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)] === [2021-11-23 02:15:34,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:15:34,375 INFO L85 PathProgramCache]: Analyzing trace with hash 1563822599, now seen corresponding path program 1 times [2021-11-23 02:15:34,375 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:15:34,375 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922690586] [2021-11-23 02:15:34,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:15:34,376 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:15:34,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:15:35,153 INFO L134 CoverageAnalysis]: Checked inductivity of 1722 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1722 trivial. 0 not checked. [2021-11-23 02:15:35,153 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:15:35,154 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922690586] [2021-11-23 02:15:35,154 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [922690586] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:15:35,154 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:15:35,154 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:15:35,155 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442278531] [2021-11-23 02:15:35,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:15:35,156 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:15:35,156 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:15:35,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:15:35,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:15:35,157 INFO L87 Difference]: Start difference. First operand 34712 states and 48975 transitions. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2021-11-23 02:15:39,815 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:15:46,224 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:15:47,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:15:47,020 INFO L93 Difference]: Finished difference Result 96081 states and 135234 transitions. [2021-11-23 02:15:47,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:15:47,021 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 [2021-11-23 02:15:47,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:15:47,658 INFO L225 Difference]: With dead ends: 96081 [2021-11-23 02:15:47,659 INFO L226 Difference]: Without dead ends: 61412 [2021-11-23 02:15:47,831 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:15:47,833 INFO L933 BasicCegarLoop]: 4253 mSDtfsCounter, 2932 mSDsluCounter, 3568 mSDsCounter, 0 mSdLazyCounter, 1280 mSolverCounterSat, 19 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2932 SdHoareTripleChecker+Valid, 7293 SdHoareTripleChecker+Invalid, 1301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 1280 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.1s IncrementalHoareTripleChecker+Time [2021-11-23 02:15:47,836 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2932 Valid, 7293 Invalid, 1301 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 1280 Invalid, 2 Unknown, 0 Unchecked, 10.1s Time] [2021-11-23 02:15:47,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61412 states. [2021-11-23 02:15:50,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61412 to 61350. [2021-11-23 02:15:50,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61350 states, 36290 states have (on average 1.2496555524938) internal successors, (45350), 37452 states have internal predecessors, (45350), 20039 states have call successors, (20039), 5082 states have call predecessors, (20039), 5017 states have return successors, (20572), 19334 states have call predecessors, (20572), 20035 states have call successors, (20572) [2021-11-23 02:15:51,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61350 states to 61350 states and 85961 transitions. [2021-11-23 02:15:51,720 INFO L78 Accepts]: Start accepts. Automaton has 61350 states and 85961 transitions. Word has length 270 [2021-11-23 02:15:51,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:15:51,723 INFO L470 AbstractCegarLoop]: Abstraction has 61350 states and 85961 transitions. [2021-11-23 02:15:51,723 INFO L471 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) [2021-11-23 02:15:51,723 INFO L276 IsEmpty]: Start isEmpty. Operand 61350 states and 85961 transitions. [2021-11-23 02:15:51,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2021-11-23 02:15:51,733 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:15:51,733 INFO L514 BasicCegarLoop]: 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] [2021-11-23 02:15:51,734 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-23 02:15:51,734 INFO L402 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)] === [2021-11-23 02:15:51,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:15:51,735 INFO L85 PathProgramCache]: Analyzing trace with hash 846165166, now seen corresponding path program 1 times [2021-11-23 02:15:51,735 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:15:51,735 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64726860] [2021-11-23 02:15:51,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:15:51,736 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:15:51,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:15:52,124 INFO L134 CoverageAnalysis]: Checked inductivity of 1773 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1766 trivial. 0 not checked. [2021-11-23 02:15:52,124 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:15:52,124 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [64726860] [2021-11-23 02:15:52,125 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [64726860] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:15:52,125 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:15:52,125 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 02:15:52,125 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848396447] [2021-11-23 02:15:52,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:15:52,127 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 02:15:52,127 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:15:52,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 02:15:52,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:15:52,128 INFO L87 Difference]: Start difference. First operand 61350 states and 85961 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2021-11-23 02:15:57,294 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:16:04,516 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:16:05,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:16:05,977 INFO L93 Difference]: Finished difference Result 171975 states and 241208 transitions. [2021-11-23 02:16:05,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 02:16:05,979 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 [2021-11-23 02:16:05,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:16:06,772 INFO L225 Difference]: With dead ends: 171975 [2021-11-23 02:16:06,772 INFO L226 Difference]: Without dead ends: 110668 [2021-11-23 02:16:07,311 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 02:16:07,312 INFO L933 BasicCegarLoop]: 4554 mSDtfsCounter, 3235 mSDsluCounter, 3595 mSDsCounter, 0 mSdLazyCounter, 1340 mSolverCounterSat, 13 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3235 SdHoareTripleChecker+Valid, 7616 SdHoareTripleChecker+Invalid, 1355 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1340 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.4s IncrementalHoareTripleChecker+Time [2021-11-23 02:16:07,312 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3235 Valid, 7616 Invalid, 1355 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 1340 Invalid, 2 Unknown, 0 Unchecked, 10.4s Time] [2021-11-23 02:16:07,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110668 states. [2021-11-23 02:16:12,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110668 to 110571. [2021-11-23 02:16:12,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110571 states, 65689 states have (on average 1.2494177107278235) internal successors, (82073), 67811 states have internal predecessors, (82073), 35913 states have call successors, (35913), 9082 states have call predecessors, (35913), 8965 states have return successors, (36886), 34620 states have call predecessors, (36886), 35909 states have call successors, (36886) [2021-11-23 02:16:12,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110571 states to 110571 states and 154872 transitions. [2021-11-23 02:16:12,698 INFO L78 Accepts]: Start accepts. Automaton has 110571 states and 154872 transitions. Word has length 265 [2021-11-23 02:16:12,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:16:12,699 INFO L470 AbstractCegarLoop]: Abstraction has 110571 states and 154872 transitions. [2021-11-23 02:16:12,699 INFO L471 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) [2021-11-23 02:16:12,700 INFO L276 IsEmpty]: Start isEmpty. Operand 110571 states and 154872 transitions. [2021-11-23 02:16:12,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2021-11-23 02:16:12,707 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:16:12,708 INFO L514 BasicCegarLoop]: 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] [2021-11-23 02:16:12,708 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-23 02:16:12,708 INFO L402 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)] === [2021-11-23 02:16:12,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:16:12,710 INFO L85 PathProgramCache]: Analyzing trace with hash -1211452170, now seen corresponding path program 1 times [2021-11-23 02:16:12,710 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:16:12,710 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614880462] [2021-11-23 02:16:12,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:16:12,711 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:16:13,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:16:13,729 INFO L134 CoverageAnalysis]: Checked inductivity of 1894 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1894 trivial. 0 not checked. [2021-11-23 02:16:13,729 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:16:13,729 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614880462] [2021-11-23 02:16:13,730 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1614880462] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:16:13,730 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:16:13,730 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 02:16:13,730 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406072781] [2021-11-23 02:16:13,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:16:13,731 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-23 02:16:13,731 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:16:13,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 02:16:13,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-23 02:16:13,732 INFO L87 Difference]: Start difference. First operand 110571 states and 154872 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) [2021-11-23 02:16:19,578 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:16:22,376 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:16:31,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:16:31,363 INFO L93 Difference]: Finished difference Result 133224 states and 185932 transitions. [2021-11-23 02:16:31,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-23 02:16:31,363 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 [2021-11-23 02:16:31,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:16:32,258 INFO L225 Difference]: With dead ends: 133224 [2021-11-23 02:16:32,258 INFO L226 Difference]: Without dead ends: 133222 [2021-11-23 02:16:32,339 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-23 02:16:32,340 INFO L933 BasicCegarLoop]: 3677 mSDtfsCounter, 2503 mSDsluCounter, 11997 mSDsCounter, 0 mSdLazyCounter, 2207 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2519 SdHoareTripleChecker+Valid, 14038 SdHoareTripleChecker+Invalid, 2210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 2207 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.1s IncrementalHoareTripleChecker+Time [2021-11-23 02:16:32,341 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2519 Valid, 14038 Invalid, 2210 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 2207 Invalid, 1 Unknown, 0 Unchecked, 14.1s Time] [2021-11-23 02:16:32,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133222 states. [2021-11-23 02:16:39,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133222 to 133215. [2021-11-23 02:16:39,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133215 states, 79088 states have (on average 1.2462952660327735) internal successors, (98567), 81632 states have internal predecessors, (98567), 43195 states have call successors, (43195), 11054 states have call predecessors, (43195), 10928 states have return successors, (44164), 41627 states have call predecessors, (44164), 43187 states have call successors, (44164) [2021-11-23 02:16:40,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133215 states to 133215 states and 185926 transitions. [2021-11-23 02:16:40,092 INFO L78 Accepts]: Start accepts. Automaton has 133215 states and 185926 transitions. Word has length 278 [2021-11-23 02:16:40,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 02:16:40,093 INFO L470 AbstractCegarLoop]: Abstraction has 133215 states and 185926 transitions. [2021-11-23 02:16:40,093 INFO L471 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) [2021-11-23 02:16:40,094 INFO L276 IsEmpty]: Start isEmpty. Operand 133215 states and 185926 transitions. [2021-11-23 02:16:40,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2021-11-23 02:16:40,103 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 02:16:40,103 INFO L514 BasicCegarLoop]: trace histogram [25, 21, 21, 21, 21, 21, 21, 5, 5, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 02:16:40,103 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-23 02:16:40,104 INFO L402 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)] === [2021-11-23 02:16:40,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 02:16:40,105 INFO L85 PathProgramCache]: Analyzing trace with hash -492767970, now seen corresponding path program 1 times [2021-11-23 02:16:40,105 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 02:16:40,105 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212421014] [2021-11-23 02:16:40,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 02:16:40,106 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 02:16:40,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 02:16:40,721 INFO L134 CoverageAnalysis]: Checked inductivity of 1896 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1894 trivial. 0 not checked. [2021-11-23 02:16:40,722 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 02:16:40,722 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212421014] [2021-11-23 02:16:40,722 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1212421014] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 02:16:40,723 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 02:16:40,723 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 02:16:40,723 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053378771] [2021-11-23 02:16:40,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 02:16:40,724 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-23 02:16:40,725 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 02:16:40,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 02:16:40,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-23 02:16:40,726 INFO L87 Difference]: Start difference. First operand 133215 states and 185926 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) [2021-11-23 02:16:47,186 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:16:59,077 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 02:17:01,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 02:17:01,554 INFO L93 Difference]: Finished difference Result 133228 states and 185935 transitions. [2021-11-23 02:17:01,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-23 02:17:01,556 INFO L78 Accepts]: Start accepts. Automaton has 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) Word has length 283 [2021-11-23 02:17:01,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 02:17:02,296 INFO L225 Difference]: With dead ends: 133228 [2021-11-23 02:17:02,296 INFO L226 Difference]: Without dead ends: 133226 [2021-11-23 02:17:02,354 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-23 02:17:02,355 INFO L933 BasicCegarLoop]: 3680 mSDtfsCounter, 2498 mSDsluCounter, 11994 mSDsCounter, 0 mSdLazyCounter, 2203 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2513 SdHoareTripleChecker+Valid, 14041 SdHoareTripleChecker+Invalid, 2207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 2203 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.9s IncrementalHoareTripleChecker+Time [2021-11-23 02:17:02,356 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2513 Valid, 14041 Invalid, 2207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 2203 Invalid, 2 Unknown, 0 Unchecked, 16.9s Time] [2021-11-23 02:17:02,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133226 states. [2021-11-23 02:17:09,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133226 to 133219. [2021-11-23 02:17:09,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133219 states, 79091 states have (on average 1.246285923809283) internal successors, (98570), 81635 states have internal predecessors, (98570), 43195 states have call successors, (43195), 11055 states have call predecessors, (43195), 10929 states have return successors, (44164), 41627 states have call predecessors, (44164), 43187 states have call successors, (44164)