./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-intel-e1000-e1000.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_a03b4dc0-fa58-4667-9e1e-696d261c714d/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03b4dc0-fa58-4667-9e1e-696d261c714d/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_a03b4dc0-fa58-4667-9e1e-696d261c714d/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03b4dc0-fa58-4667-9e1e-696d261c714d/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-intel-e1000-e1000.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03b4dc0-fa58-4667-9e1e-696d261c714d/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_a03b4dc0-fa58-4667-9e1e-696d261c714d/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 39ee2ab624432b04c82409208cb55ec81e2dd2f34a0a1ec3852f07ecbac05add --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 03:40:43,236 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 03:40:43,237 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 03:40:43,274 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 03:40:43,275 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 03:40:43,284 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 03:40:43,286 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 03:40:43,290 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 03:40:43,293 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 03:40:43,301 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 03:40:43,302 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 03:40:43,304 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 03:40:43,306 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 03:40:43,309 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 03:40:43,311 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 03:40:43,313 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 03:40:43,317 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 03:40:43,318 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 03:40:43,324 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 03:40:43,327 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 03:40:43,333 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 03:40:43,335 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 03:40:43,339 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 03:40:43,340 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 03:40:43,346 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 03:40:43,347 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 03:40:43,347 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 03:40:43,349 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 03:40:43,350 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 03:40:43,351 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 03:40:43,352 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 03:40:43,353 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 03:40:43,356 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 03:40:43,357 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 03:40:43,359 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 03:40:43,359 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 03:40:43,360 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 03:40:43,360 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 03:40:43,360 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 03:40:43,361 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 03:40:43,362 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 03:40:43,363 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03b4dc0-fa58-4667-9e1e-696d261c714d/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-23 03:40:43,412 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 03:40:43,414 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 03:40:43,414 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 03:40:43,415 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 03:40:43,416 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 03:40:43,416 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 03:40:43,416 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 03:40:43,417 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 03:40:43,417 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 03:40:43,417 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 03:40:43,418 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 03:40:43,418 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 03:40:43,419 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 03:40:43,419 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 03:40:43,419 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 03:40:43,419 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 03:40:43,420 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 03:40:43,420 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 03:40:43,421 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 03:40:43,421 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 03:40:43,421 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 03:40:43,421 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 03:40:43,422 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 03:40:43,422 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 03:40:43,422 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 03:40:43,422 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 03:40:43,424 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 03:40:43,424 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 03:40:43,425 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 03:40:43,425 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 03:40:43,425 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 03:40:43,426 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 03:40:43,426 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 03:40:43,426 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 03:40:43,426 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 03:40:43,427 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 03:40:43,427 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 03:40:43,427 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 03:40:43,427 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_a03b4dc0-fa58-4667-9e1e-696d261c714d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03b4dc0-fa58-4667-9e1e-696d261c714d/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 39ee2ab624432b04c82409208cb55ec81e2dd2f34a0a1ec3852f07ecbac05add [2021-11-23 03:40:43,677 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 03:40:43,698 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 03:40:43,701 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 03:40:43,702 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 03:40:43,707 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 03:40:43,708 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03b4dc0-fa58-4667-9e1e-696d261c714d/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-intel-e1000-e1000.cil.i [2021-11-23 03:40:43,791 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03b4dc0-fa58-4667-9e1e-696d261c714d/bin/utaipan-EQgc7hIp5V/data/13cd5d242/eca94a48e497401b856bf32a8f94f346/FLAGc6b0f1dc6 [2021-11-23 03:40:45,069 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 03:40:45,070 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03b4dc0-fa58-4667-9e1e-696d261c714d/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-intel-e1000-e1000.cil.i [2021-11-23 03:40:45,142 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03b4dc0-fa58-4667-9e1e-696d261c714d/bin/utaipan-EQgc7hIp5V/data/13cd5d242/eca94a48e497401b856bf32a8f94f346/FLAGc6b0f1dc6 [2021-11-23 03:40:45,158 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03b4dc0-fa58-4667-9e1e-696d261c714d/bin/utaipan-EQgc7hIp5V/data/13cd5d242/eca94a48e497401b856bf32a8f94f346 [2021-11-23 03:40:45,161 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 03:40:45,162 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 03:40:45,164 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 03:40:45,164 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 03:40:45,167 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 03:40:45,168 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:40:45" (1/1) ... [2021-11-23 03:40:45,169 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fa2001c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:45, skipping insertion in model container [2021-11-23 03:40:45,170 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:40:45" (1/1) ... [2021-11-23 03:40:45,177 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 03:40:45,517 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 03:40:55,028 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_a03b4dc0-fa58-4667-9e1e-696d261c714d/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-intel-e1000-e1000.cil.i[904444,904457] [2021-11-23 03:40:55,032 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_a03b4dc0-fa58-4667-9e1e-696d261c714d/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-intel-e1000-e1000.cil.i[904610,904623] [2021-11-23 03:40:55,033 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_a03b4dc0-fa58-4667-9e1e-696d261c714d/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-intel-e1000-e1000.cil.i[904774,904787] [2021-11-23 03:40:55,033 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_a03b4dc0-fa58-4667-9e1e-696d261c714d/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-intel-e1000-e1000.cil.i[904939,904952] [2021-11-23 03:40:55,077 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 03:40:55,182 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 03:40:56,216 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_a03b4dc0-fa58-4667-9e1e-696d261c714d/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-intel-e1000-e1000.cil.i[904444,904457] [2021-11-23 03:40:56,216 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_a03b4dc0-fa58-4667-9e1e-696d261c714d/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-intel-e1000-e1000.cil.i[904610,904623] [2021-11-23 03:40:56,217 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_a03b4dc0-fa58-4667-9e1e-696d261c714d/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-intel-e1000-e1000.cil.i[904774,904787] [2021-11-23 03:40:56,217 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_a03b4dc0-fa58-4667-9e1e-696d261c714d/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-intel-e1000-e1000.cil.i[904939,904952] [2021-11-23 03:40:56,227 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 03:40:56,716 INFO L208 MainTranslator]: Completed translation [2021-11-23 03:40:56,716 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:56 WrapperNode [2021-11-23 03:40:56,716 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 03:40:56,718 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 03:40:56,718 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 03:40:56,718 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 03:40:56,725 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:56" (1/1) ... [2021-11-23 03:40:57,097 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:56" (1/1) ... [2021-11-23 03:40:57,892 INFO L137 Inliner]: procedures = 730, calls = 16220, calls flagged for inlining = 402, calls inlined = 349, statements flattened = 28817 [2021-11-23 03:40:57,893 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 03:40:57,895 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 03:40:57,895 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 03:40:57,896 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 03:40:57,906 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:56" (1/1) ... [2021-11-23 03:40:57,906 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:56" (1/1) ... [2021-11-23 03:40:58,251 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:56" (1/1) ... [2021-11-23 03:40:58,261 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:56" (1/1) ... [2021-11-23 03:40:59,109 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:56" (1/1) ... [2021-11-23 03:40:59,270 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:56" (1/1) ... [2021-11-23 03:40:59,385 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:56" (1/1) ... [2021-11-23 03:40:59,560 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 03:40:59,561 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 03:40:59,561 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 03:40:59,561 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 03:40:59,562 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:56" (1/1) ... [2021-11-23 03:40:59,570 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 03:40:59,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03b4dc0-fa58-4667-9e1e-696d261c714d/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:40:59,600 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03b4dc0-fa58-4667-9e1e-696d261c714d/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 03:40:59,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a03b4dc0-fa58-4667-9e1e-696d261c714d/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 03:40:59,649 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-11-23 03:40:59,649 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-11-23 03:40:59,649 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_config_fc_after_link_up [2021-11-23 03:40:59,649 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_config_fc_after_link_up [2021-11-23 03:40:59,650 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2021-11-23 03:40:59,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2021-11-23 03:40:59,650 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_config_collision_dist [2021-11-23 03:40:59,650 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_config_collision_dist [2021-11-23 03:40:59,650 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_raise_ee_clk [2021-11-23 03:40:59,650 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_raise_ee_clk [2021-11-23 03:40:59,650 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2021-11-23 03:40:59,651 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2021-11-23 03:40:59,651 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2021-11-23 03:40:59,651 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2021-11-23 03:40:59,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-23 03:40:59,651 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-23 03:40:59,651 INFO L130 BoogieDeclarations]: Found specification of procedure reg_pattern_test [2021-11-23 03:40:59,652 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_pattern_test [2021-11-23 03:40:59,652 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2021-11-23 03:40:59,652 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2021-11-23 03:40:59,652 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-11-23 03:40:59,652 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-11-23 03:40:59,652 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2021-11-23 03:40:59,652 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2021-11-23 03:40:59,653 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_eeprom [2021-11-23 03:40:59,653 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_eeprom [2021-11-23 03:40:59,653 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 03:40:59,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 03:40:59,654 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_release_manageability [2021-11-23 03:40:59,654 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_release_manageability [2021-11-23 03:40:59,654 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_shift_in_ee_bits [2021-11-23 03:40:59,655 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_shift_in_ee_bits [2021-11-23 03:40:59,655 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_down_and_stop [2021-11-23 03:40:59,655 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_down_and_stop [2021-11-23 03:40:59,655 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-11-23 03:40:59,655 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-11-23 03:40:59,655 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2021-11-23 03:40:59,655 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2021-11-23 03:40:59,656 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2021-11-23 03:40:59,656 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2021-11-23 03:40:59,656 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_unmap_and_free_tx_resource [2021-11-23 03:40:59,657 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_unmap_and_free_tx_resource [2021-11-23 03:40:59,657 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-11-23 03:40:59,657 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-11-23 03:40:59,658 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_get_info [2021-11-23 03:40:59,659 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_get_info [2021-11-23 03:40:59,659 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-23 03:40:59,659 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-23 03:40:59,659 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-23 03:40:59,659 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-23 03:40:59,659 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_do_read_eeprom [2021-11-23 03:40:59,660 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_do_read_eeprom [2021-11-23 03:40:59,660 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_setup_rctl [2021-11-23 03:40:59,660 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_setup_rctl [2021-11-23 03:40:59,661 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-11-23 03:40:59,661 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-11-23 03:40:59,661 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_rar_set [2021-11-23 03:40:59,661 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_rar_set [2021-11-23 03:40:59,661 INFO L130 BoogieDeclarations]: Found specification of procedure skb_set_tail_pointer [2021-11-23 03:40:59,661 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_set_tail_pointer [2021-11-23 03:40:59,662 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-23 03:40:59,662 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-23 03:40:59,662 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_reset [2021-11-23 03:40:59,662 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_reset [2021-11-23 03:40:59,662 INFO L130 BoogieDeclarations]: Found specification of procedure dma_zalloc_coherent [2021-11-23 03:40:59,662 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_zalloc_coherent [2021-11-23 03:40:59,663 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_init_eeprom_params [2021-11-23 03:40:59,663 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_init_eeprom_params [2021-11-23 03:40:59,663 INFO L130 BoogieDeclarations]: Found specification of procedure phys_to_virt [2021-11-23 03:40:59,663 INFO L138 BoogieDeclarations]: Found implementation of procedure phys_to_virt [2021-11-23 03:40:59,663 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-23 03:40:59,664 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-23 03:40:59,664 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-23 03:40:59,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-23 03:40:59,664 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-23 03:40:59,665 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-23 03:40:59,665 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-23 03:40:59,666 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-23 03:40:59,666 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-23 03:40:59,666 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-23 03:40:59,666 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-23 03:40:59,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-23 03:40:59,666 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2021-11-23 03:40:59,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2021-11-23 03:40:59,667 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-23 03:40:59,668 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-23 03:40:59,668 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-11-23 03:40:59,669 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-11-23 03:40:59,669 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 03:40:59,669 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-11-23 03:40:59,669 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-11-23 03:40:59,669 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_phy_reg [2021-11-23 03:40:59,669 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_phy_reg [2021-11-23 03:40:59,669 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_speed_and_duplex [2021-11-23 03:40:59,670 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_speed_and_duplex [2021-11-23 03:40:59,670 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_standby_eeprom [2021-11-23 03:40:59,670 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_standby_eeprom [2021-11-23 03:40:59,670 INFO L130 BoogieDeclarations]: Found specification of procedure find_next_bit [2021-11-23 03:40:59,670 INFO L138 BoogieDeclarations]: Found implementation of procedure find_next_bit [2021-11-23 03:40:59,671 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-11-23 03:40:59,671 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-11-23 03:40:59,671 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_configure_rx [2021-11-23 03:40:59,671 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_configure_rx [2021-11-23 03:40:59,671 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-23 03:40:59,672 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-23 03:40:59,672 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_hw_dev [2021-11-23 03:40:59,675 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_hw_dev [2021-11-23 03:40:59,675 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_update_stats [2021-11-23 03:40:59,675 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_update_stats [2021-11-23 03:40:59,675 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_validate_option [2021-11-23 03:40:59,676 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_validate_option [2021-11-23 03:40:59,677 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-23 03:40:59,677 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-23 03:40:59,677 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-23 03:40:59,677 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-23 03:40:59,683 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_link [2021-11-23 03:40:59,683 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_link [2021-11-23 03:40:59,684 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_irq [2021-11-23 03:40:59,684 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_irq [2021-11-23 03:40:59,684 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-23 03:40:59,684 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2021-11-23 03:40:59,684 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2021-11-23 03:40:59,684 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_setup_link [2021-11-23 03:40:59,684 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_setup_link [2021-11-23 03:40:59,685 INFO L130 BoogieDeclarations]: Found specification of procedure __e1000_vlan_mode [2021-11-23 03:40:59,685 INFO L138 BoogieDeclarations]: Found implementation of procedure __e1000_vlan_mode [2021-11-23 03:40:59,685 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_reset [2021-11-23 03:40:59,685 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_reset [2021-11-23 03:40:59,685 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-23 03:40:59,685 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-23 03:40:59,685 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_config_dsp_after_link_change [2021-11-23 03:40:59,685 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_config_dsp_after_link_change [2021-11-23 03:40:59,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-23 03:40:59,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-23 03:40:59,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-23 03:40:59,686 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_maybe_stop_tx [2021-11-23 03:40:59,686 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_maybe_stop_tx [2021-11-23 03:40:59,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 03:40:59,686 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-23 03:40:59,686 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-23 03:40:59,687 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_shutdown [2021-11-23 03:40:59,687 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_shutdown [2021-11-23 03:40:59,687 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2021-11-23 03:40:59,687 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2021-11-23 03:40:59,687 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_vlan_used [2021-11-23 03:40:59,687 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_vlan_used [2021-11-23 03:40:59,687 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-23 03:40:59,687 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-23 03:40:59,687 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_disable_receiver [2021-11-23 03:40:59,688 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_disable_receiver [2021-11-23 03:40:59,688 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_vlan_rx_kill_vid [2021-11-23 03:40:59,688 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_vlan_rx_kill_vid [2021-11-23 03:40:59,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-23 03:40:59,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-23 03:40:59,688 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_force_mac_fc [2021-11-23 03:40:59,688 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_force_mac_fc [2021-11-23 03:40:59,688 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-11-23 03:40:59,689 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-11-23 03:40:59,689 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-23 03:40:59,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-23 03:40:59,689 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2021-11-23 03:40:59,689 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2021-11-23 03:40:59,689 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-23 03:40:59,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-23 03:40:59,689 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_leave_82542_rst [2021-11-23 03:40:59,690 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_leave_82542_rst [2021-11-23 03:40:59,690 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_has_link [2021-11-23 03:40:59,690 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_has_link [2021-11-23 03:40:59,690 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-11-23 03:40:59,690 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-11-23 03:40:59,690 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-23 03:40:59,690 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-23 03:40:59,690 INFO L130 BoogieDeclarations]: Found specification of procedure __udelay [2021-11-23 03:40:59,691 INFO L138 BoogieDeclarations]: Found implementation of procedure __udelay [2021-11-23 03:40:59,691 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_setup_all_tx_resources [2021-11-23 03:40:59,691 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_setup_all_tx_resources [2021-11-23 03:40:59,691 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2021-11-23 03:40:59,691 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2021-11-23 03:40:59,691 INFO L130 BoogieDeclarations]: Found specification of procedure pci_wake_from_d3 [2021-11-23 03:40:59,693 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_wake_from_d3 [2021-11-23 03:40:59,693 INFO L130 BoogieDeclarations]: Found specification of procedure reg_set_and_check [2021-11-23 03:40:59,693 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_set_and_check [2021-11-23 03:40:59,693 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 03:40:59,693 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-23 03:40:59,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-23 03:40:59,693 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-23 03:40:59,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-23 03:40:59,694 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_netpoll [2021-11-23 03:40:59,694 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_netpoll [2021-11-23 03:40:59,694 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-11-23 03:40:59,694 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-11-23 03:40:59,694 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 03:40:59,694 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-11-23 03:40:59,694 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-11-23 03:40:59,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-23 03:40:59,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-23 03:40:59,695 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-23 03:40:59,695 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-23 03:40:59,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 03:40:59,695 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_rx_mode [2021-11-23 03:40:59,695 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_rx_mode [2021-11-23 03:40:59,695 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-23 03:40:59,696 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-11-23 03:40:59,696 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-11-23 03:40:59,696 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-23 03:40:59,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-23 03:40:59,696 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_open [2021-11-23 03:40:59,696 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_open [2021-11-23 03:40:59,696 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2021-11-23 03:40:59,696 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2021-11-23 03:40:59,697 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_hw_reset [2021-11-23 03:40:59,697 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_hw_reset [2021-11-23 03:40:59,697 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_vfta [2021-11-23 03:40:59,697 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_vfta [2021-11-23 03:40:59,697 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-11-23 03:40:59,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-11-23 03:40:59,697 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_remove [2021-11-23 03:40:59,697 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_remove [2021-11-23 03:40:59,698 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_shift_out_ee_bits [2021-11-23 03:40:59,698 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_shift_out_ee_bits [2021-11-23 03:40:59,698 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_configure [2021-11-23 03:40:59,698 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_configure [2021-11-23 03:40:59,698 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-11-23 03:40:59,698 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-11-23 03:40:59,698 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-11-23 03:40:59,698 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-11-23 03:40:59,698 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-23 03:40:59,699 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-23 03:40:59,699 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_cable_length [2021-11-23 03:40:59,699 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_cable_length [2021-11-23 03:40:59,699 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-11-23 03:40:59,699 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-11-23 03:40:59,700 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_lower_ee_clk [2021-11-23 03:40:59,704 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_lower_ee_clk [2021-11-23 03:40:59,704 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_rx_resources [2021-11-23 03:40:59,704 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_rx_resources [2021-11-23 03:40:59,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-23 03:40:59,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-23 03:40:59,705 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_vlan_rx_add_vid [2021-11-23 03:40:59,705 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_vlan_rx_add_vid [2021-11-23 03:40:59,705 INFO L130 BoogieDeclarations]: Found specification of procedure device_can_wakeup [2021-11-23 03:40:59,705 INFO L138 BoogieDeclarations]: Found implementation of procedure device_can_wakeup [2021-11-23 03:40:59,706 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_selected_regions [2021-11-23 03:40:59,707 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_selected_regions [2021-11-23 03:40:59,707 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-11-23 03:40:59,707 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-11-23 03:40:59,707 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_io_write [2021-11-23 03:40:59,707 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_io_write [2021-11-23 03:40:59,707 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2021-11-23 03:40:59,707 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2021-11-23 03:40:59,708 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_resume [2021-11-23 03:40:59,708 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_resume [2021-11-23 03:40:59,708 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-11-23 03:40:59,708 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-11-23 03:40:59,708 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-23 03:40:59,708 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-23 03:40:59,708 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_eeprom [2021-11-23 03:40:59,708 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_eeprom [2021-11-23 03:40:59,708 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_enter_82542_rst [2021-11-23 03:40:59,709 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_enter_82542_rst [2021-11-23 03:40:59,709 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_acquire_eeprom [2021-11-23 03:40:59,709 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_acquire_eeprom [2021-11-23 03:40:59,709 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2021-11-23 03:40:59,709 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2021-11-23 03:40:59,709 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 03:40:59,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 03:40:59,709 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_power_down_phy [2021-11-23 03:40:59,709 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_power_down_phy [2021-11-23 03:40:59,710 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2021-11-23 03:40:59,710 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2021-11-23 03:40:59,710 INFO L130 BoogieDeclarations]: Found specification of procedure pci_select_bars [2021-11-23 03:40:59,710 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_select_bars [2021-11-23 03:40:59,710 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_spi_eeprom_ready [2021-11-23 03:40:59,710 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_spi_eeprom_ready [2021-11-23 03:40:59,710 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_pci_clear_mwi [2021-11-23 03:40:59,710 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_pci_clear_mwi [2021-11-23 03:40:59,710 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-23 03:40:59,711 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-23 03:40:59,711 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_power_up_phy [2021-11-23 03:40:59,711 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_power_up_phy [2021-11-23 03:40:59,711 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 03:40:59,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 03:40:59,711 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-23 03:40:59,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-23 03:40:59,711 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2021-11-23 03:40:59,711 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2021-11-23 03:40:59,711 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-23 03:40:59,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-23 03:40:59,712 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-11-23 03:40:59,712 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-11-23 03:40:59,712 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_phy_reg_ex [2021-11-23 03:40:59,712 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_phy_reg_ex [2021-11-23 03:40:59,712 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-23 03:40:59,712 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-23 03:40:59,712 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-23 03:40:59,712 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-11-23 03:40:59,713 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-11-23 03:40:59,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-23 03:40:59,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-23 03:40:59,713 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_io_resume [2021-11-23 03:40:59,713 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_io_resume [2021-11-23 03:40:59,713 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2021-11-23 03:40:59,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2021-11-23 03:40:59,713 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-11-23 03:40:59,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-11-23 03:40:59,714 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_polarity [2021-11-23 03:40:59,714 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_polarity [2021-11-23 03:40:59,714 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-23 03:40:59,714 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-23 03:40:59,714 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-23 03:40:59,714 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-23 03:40:59,714 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2021-11-23 03:40:59,714 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2021-11-23 03:40:59,714 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_raise_mdi_clk [2021-11-23 03:40:59,715 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_raise_mdi_clk [2021-11-23 03:40:59,715 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_config_mac_to_phy [2021-11-23 03:40:59,715 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_config_mac_to_phy [2021-11-23 03:40:59,715 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_eeprom_len [2021-11-23 03:40:59,715 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_eeprom_len [2021-11-23 03:40:59,715 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-23 03:40:59,715 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-23 03:40:59,715 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb_ip_align [2021-11-23 03:40:59,715 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb_ip_align [2021-11-23 03:40:59,716 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_setup_all_rx_resources [2021-11-23 03:40:59,716 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_setup_all_rx_resources [2021-11-23 03:40:59,716 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2021-11-23 03:40:59,716 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2021-11-23 03:40:59,716 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-11-23 03:40:59,716 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-11-23 03:40:59,716 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_close [2021-11-23 03:40:59,716 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_close [2021-11-23 03:40:59,716 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_reset_clk_and_crs [2021-11-23 03:40:59,717 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_reset_clk_and_crs [2021-11-23 03:40:59,717 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-11-23 03:40:59,717 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-11-23 03:40:59,717 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-23 03:40:59,717 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-23 03:40:59,717 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-11-23 03:40:59,717 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-11-23 03:40:59,717 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2021-11-23 03:40:59,717 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2021-11-23 03:40:59,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 03:40:59,718 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-23 03:40:59,718 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-23 03:40:59,718 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-11-23 03:40:59,718 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-11-23 03:40:59,718 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-23 03:40:59,718 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-23 03:40:59,718 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_regs_len [2021-11-23 03:40:59,718 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_regs_len [2021-11-23 03:40:59,719 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 03:40:59,719 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2021-11-23 03:40:59,719 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2021-11-23 03:40:59,719 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2021-11-23 03:40:59,719 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2021-11-23 03:40:59,719 INFO L130 BoogieDeclarations]: Found specification of procedure __pskb_pull_tail [2021-11-23 03:40:59,719 INFO L138 BoogieDeclarations]: Found implementation of procedure __pskb_pull_tail [2021-11-23 03:40:59,719 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_all_tx_resources [2021-11-23 03:40:59,720 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_all_tx_resources [2021-11-23 03:40:59,720 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_setup_autoneg [2021-11-23 03:40:59,720 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_setup_autoneg [2021-11-23 03:40:59,720 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_update_mng_vlan [2021-11-23 03:40:59,720 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_update_mng_vlan [2021-11-23 03:40:59,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 03:40:59,720 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_media_type [2021-11-23 03:40:59,720 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_media_type [2021-11-23 03:40:59,720 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_eeprom [2021-11-23 03:40:59,720 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_eeprom [2021-11-23 03:40:59,721 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_vlan_filter_on_off [2021-11-23 03:40:59,721 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_vlan_filter_on_off [2021-11-23 03:40:59,721 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-11-23 03:40:59,721 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-11-23 03:40:59,721 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_nway_reset [2021-11-23 03:40:59,721 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_nway_reset [2021-11-23 03:40:59,721 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-11-23 03:40:59,721 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-11-23 03:40:59,722 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_phy_loopback [2021-11-23 03:40:59,722 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_phy_loopback [2021-11-23 03:40:59,722 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-23 03:40:59,722 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-23 03:40:59,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-11-23 03:40:59,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-11-23 03:40:59,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-23 03:40:59,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-23 03:40:59,722 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-11-23 03:40:59,723 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-11-23 03:40:59,723 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_clean_all_rx_rings [2021-11-23 03:40:59,723 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_clean_all_rx_rings [2021-11-23 03:40:59,723 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-11-23 03:40:59,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-11-23 03:40:59,723 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_irq_enable [2021-11-23 03:40:59,723 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_irq_enable [2021-11-23 03:40:59,723 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_up [2021-11-23 03:40:59,723 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_up [2021-11-23 03:40:59,724 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_tx_timeout [2021-11-23 03:40:59,724 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_tx_timeout [2021-11-23 03:40:59,724 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_reinit_locked [2021-11-23 03:40:59,724 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_reinit_locked [2021-11-23 03:40:59,724 INFO L130 BoogieDeclarations]: Found specification of procedure find_first_bit [2021-11-23 03:40:59,724 INFO L138 BoogieDeclarations]: Found implementation of procedure find_first_bit [2021-11-23 03:40:59,724 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_phy_reg [2021-11-23 03:40:59,724 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_phy_reg [2021-11-23 03:40:59,724 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_all_rx_resources [2021-11-23 03:40:59,725 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_all_rx_resources [2021-11-23 03:40:59,725 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_lower_mdi_clk [2021-11-23 03:40:59,725 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_lower_mdi_clk [2021-11-23 03:40:59,725 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-11-23 03:40:59,725 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-11-23 03:40:59,725 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-23 03:40:59,725 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-23 03:40:59,725 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-23 03:40:59,725 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-23 03:40:59,726 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_copper_link_rtl_setup [2021-11-23 03:40:59,726 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_copper_link_rtl_setup [2021-11-23 03:40:59,726 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2021-11-23 03:40:59,726 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2021-11-23 03:40:59,726 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_eeprom [2021-11-23 03:40:59,726 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_eeprom [2021-11-23 03:40:59,726 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_desc_rings [2021-11-23 03:40:59,726 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_desc_rings [2021-11-23 03:40:59,726 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_pci_set_mwi [2021-11-23 03:40:59,727 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_pci_set_mwi [2021-11-23 03:40:59,727 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2021-11-23 03:40:59,727 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2021-11-23 03:40:59,727 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-23 03:40:59,727 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-23 03:40:59,727 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_polarity_reversal_workaround [2021-11-23 03:40:59,727 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_polarity_reversal_workaround [2021-11-23 03:40:59,727 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2021-11-23 03:40:59,727 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2021-11-23 03:40:59,728 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2021-11-23 03:40:59,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2021-11-23 03:40:59,728 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-23 03:40:59,728 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-23 03:40:59,728 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_link_test [2021-11-23 03:40:59,728 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_link_test [2021-11-23 03:40:59,728 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_shift_out_mdi_bits [2021-11-23 03:40:59,728 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_shift_out_mdi_bits [2021-11-23 03:40:59,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 03:40:59,728 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_64k_bound [2021-11-23 03:40:59,729 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_64k_bound [2021-11-23 03:40:59,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-23 03:40:59,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-23 03:40:59,729 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_spd_dplx [2021-11-23 03:40:59,729 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_spd_dplx [2021-11-23 03:40:59,729 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device_mem [2021-11-23 03:40:59,729 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device_mem [2021-11-23 03:40:59,729 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_down [2021-11-23 03:40:59,729 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_down [2021-11-23 03:40:59,730 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-23 03:40:59,730 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-23 03:40:59,730 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_init_script [2021-11-23 03:40:59,730 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_init_script [2021-11-23 03:40:59,730 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-11-23 03:40:59,730 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-11-23 03:40:59,730 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2021-11-23 03:40:59,730 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2021-11-23 03:40:59,730 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_request_irq [2021-11-23 03:40:59,731 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_request_irq [2021-11-23 03:40:59,731 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-11-23 03:40:59,731 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-11-23 03:40:59,731 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_release_eeprom [2021-11-23 03:40:59,731 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_release_eeprom [2021-11-23 03:40:59,731 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_reset_hw [2021-11-23 03:40:59,731 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_reset_hw [2021-11-23 03:40:59,731 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_irq_disable [2021-11-23 03:40:59,731 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_irq_disable [2021-11-23 03:40:59,732 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdrlen [2021-11-23 03:40:59,732 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdrlen [2021-11-23 03:40:59,732 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-11-23 03:40:59,732 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-11-23 03:40:59,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_17 [2021-11-23 03:40:59,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_17 [2021-11-23 03:40:59,736 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_clean_tx_ring [2021-11-23 03:40:59,736 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_clean_tx_ring [2021-11-23 03:40:59,736 INFO L130 BoogieDeclarations]: Found specification of procedure __e1000_shutdown [2021-11-23 03:40:59,736 INFO L138 BoogieDeclarations]: Found implementation of procedure __e1000_shutdown [2021-11-23 03:40:59,737 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_tx_resources [2021-11-23 03:40:59,737 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_tx_resources [2021-11-23 03:40:59,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-23 03:40:59,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-23 03:40:59,737 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-11-23 03:40:59,737 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-11-23 03:40:59,737 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-11-23 03:40:59,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-11-23 03:40:59,738 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-11-23 03:40:59,738 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-11-23 03:40:59,738 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_init_manageability [2021-11-23 03:40:59,738 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_init_manageability [2021-11-23 03:40:59,738 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2021-11-23 03:40:59,738 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2021-11-23 03:40:59,738 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-11-23 03:40:59,738 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-11-23 03:40:59,738 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_wol_exclusion [2021-11-23 03:40:59,739 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_wol_exclusion [2021-11-23 03:40:59,739 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-23 03:40:59,739 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-23 03:40:59,739 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2021-11-23 03:40:59,739 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2021-11-23 03:40:59,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_e1000_exit_module_13_2 [2021-11-23 03:40:59,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_e1000_exit_module_13_2 [2021-11-23 03:40:59,739 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-11-23 03:40:59,739 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-11-23 03:40:59,740 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2021-11-23 03:40:59,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 03:40:59,740 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2021-11-23 03:40:59,740 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2021-11-23 03:40:59,740 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_clean_rx_ring [2021-11-23 03:40:59,740 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_clean_rx_ring [2021-11-23 03:40:59,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-23 03:40:59,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-23 03:40:59,740 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-11-23 03:41:02,111 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 03:41:02,116 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 03:41:03,450 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-23 03:42:06,721 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-23 03:42:07,008 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 03:42:15,351 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 03:42:15,353 INFO L301 CfgBuilder]: Removed 9 assume(true) statements. [2021-11-23 03:42:15,364 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:42:15 BoogieIcfgContainer [2021-11-23 03:42:15,364 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 03:42:15,366 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 03:42:15,366 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 03:42:15,370 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 03:42:15,370 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:40:45" (1/3) ... [2021-11-23 03:42:15,371 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4726d27a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:42:15, skipping insertion in model container [2021-11-23 03:42:15,371 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:56" (2/3) ... [2021-11-23 03:42:15,371 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4726d27a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:42:15, skipping insertion in model container [2021-11-23 03:42:15,372 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:42:15" (3/3) ... [2021-11-23 03:42:15,373 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-intel-e1000-e1000.cil.i [2021-11-23 03:42:15,379 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 03:42:15,379 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 03:42:15,457 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 03:42:15,467 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 03:42:15,469 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 03:42:15,618 INFO L276 IsEmpty]: Start isEmpty. Operand has 6724 states, 4307 states have (on average 1.3420013930810308) internal successors, (5780), 4399 states have internal predecessors, (5780), 2173 states have call successors, (2173), 246 states have call predecessors, (2173), 245 states have return successors, (2167), 2159 states have call predecessors, (2167), 2167 states have call successors, (2167) [2021-11-23 03:42:15,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2021-11-23 03:42:15,637 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:42:15,638 INFO L514 BasicCegarLoop]: trace histogram [24, 23, 23, 23, 23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:42:15,639 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:42:15,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:42:15,645 INFO L85 PathProgramCache]: Analyzing trace with hash 2057095721, now seen corresponding path program 1 times [2021-11-23 03:42:15,654 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:42:15,654 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025122837] [2021-11-23 03:42:15,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:42:15,655 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:42:16,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:42:17,466 INFO L134 CoverageAnalysis]: Checked inductivity of 2070 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2070 trivial. 0 not checked. [2021-11-23 03:42:17,467 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:42:17,471 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025122837] [2021-11-23 03:42:17,472 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2025122837] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:42:17,472 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:42:17,473 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 03:42:17,474 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134714730] [2021-11-23 03:42:17,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:42:17,480 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:42:17,480 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:42:17,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:42:17,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:42:17,532 INFO L87 Difference]: Start difference. First operand has 6724 states, 4307 states have (on average 1.3420013930810308) internal successors, (5780), 4399 states have internal predecessors, (5780), 2173 states have call successors, (2173), 246 states have call predecessors, (2173), 245 states have return successors, (2167), 2159 states have call predecessors, (2167), 2167 states have call successors, (2167) Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 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 03:42:31,414 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 03:42:34,224 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:42:38,625 WARN L534 Checker$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 03:42:42,147 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:42:44,393 WARN L534 Checker$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 03:42:46,598 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:42:49,249 WARN L534 Checker$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 03:42:49,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:42:49,643 INFO L93 Difference]: Finished difference Result 19814 states and 29901 transitions. [2021-11-23 03:42:49,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:42:49,646 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 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 251 [2021-11-23 03:42:49,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:42:49,820 INFO L225 Difference]: With dead ends: 19814 [2021-11-23 03:42:49,820 INFO L226 Difference]: Without dead ends: 13127 [2021-11-23 03:42:49,894 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 03:42:49,898 INFO L933 BasicCegarLoop]: 11314 mSDtfsCounter, 9666 mSDsluCounter, 10050 mSDsCounter, 0 mSdLazyCounter, 1758 mSolverCounterSat, 7 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9669 SdHoareTripleChecker+Valid, 20504 SdHoareTripleChecker+Invalid, 1772 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1758 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.1s IncrementalHoareTripleChecker+Time [2021-11-23 03:42:49,899 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9669 Valid, 20504 Invalid, 1772 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 1758 Invalid, 7 Unknown, 0 Unchecked, 31.1s Time] [2021-11-23 03:42:49,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13127 states. [2021-11-23 03:42:51,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13127 to 13090. [2021-11-23 03:42:51,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13090 states, 8381 states have (on average 1.3398162510440281) internal successors, (11229), 8562 states have internal predecessors, (11229), 4227 states have call successors, (4227), 482 states have call predecessors, (4227), 481 states have return successors, (4226), 4206 states have call predecessors, (4226), 4223 states have call successors, (4226) [2021-11-23 03:42:51,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13090 states to 13090 states and 19682 transitions. [2021-11-23 03:42:51,615 INFO L78 Accepts]: Start accepts. Automaton has 13090 states and 19682 transitions. Word has length 251 [2021-11-23 03:42:51,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:42:51,622 INFO L470 AbstractCegarLoop]: Abstraction has 13090 states and 19682 transitions. [2021-11-23 03:42:51,623 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 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 03:42:51,625 INFO L276 IsEmpty]: Start isEmpty. Operand 13090 states and 19682 transitions. [2021-11-23 03:42:51,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2021-11-23 03:42:51,650 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:42:51,651 INFO L514 BasicCegarLoop]: trace histogram [27, 23, 23, 23, 23, 23, 23, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:42:51,651 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 03:42:51,652 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:42:51,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:42:51,655 INFO L85 PathProgramCache]: Analyzing trace with hash -287070739, now seen corresponding path program 1 times [2021-11-23 03:42:51,655 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:42:51,655 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439344172] [2021-11-23 03:42:51,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:42:51,655 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:42:52,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:42:53,119 INFO L134 CoverageAnalysis]: Checked inductivity of 2247 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2247 trivial. 0 not checked. [2021-11-23 03:42:53,119 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:42:53,119 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439344172] [2021-11-23 03:42:53,120 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1439344172] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:42:53,120 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:42:53,120 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 03:42:53,120 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055671012] [2021-11-23 03:42:53,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:42:53,122 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-23 03:42:53,122 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:42:53,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 03:42:53,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-23 03:42:53,123 INFO L87 Difference]: Start difference. First operand 13090 states and 19682 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (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 03:43:06,383 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:43:17,674 WARN L534 Checker$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 03:43:21,917 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:43:23,964 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:43:26,245 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:43:29,452 WARN L534 Checker$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 03:43:32,659 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:43:34,923 WARN L534 Checker$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 03:43:35,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:43:35,390 INFO L93 Difference]: Finished difference Result 25373 states and 38103 transitions. [2021-11-23 03:43:35,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-23 03:43:35,391 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (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 293 [2021-11-23 03:43:35,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:43:35,654 INFO L225 Difference]: With dead ends: 25373 [2021-11-23 03:43:35,654 INFO L226 Difference]: Without dead ends: 25371 [2021-11-23 03:43:35,676 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 03:43:35,679 INFO L933 BasicCegarLoop]: 11234 mSDtfsCounter, 9244 mSDsluCounter, 34216 mSDsCounter, 0 mSdLazyCounter, 3498 mSolverCounterSat, 2 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 38.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9247 SdHoareTripleChecker+Valid, 42836 SdHoareTripleChecker+Invalid, 3508 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 3498 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 41.3s IncrementalHoareTripleChecker+Time [2021-11-23 03:43:35,679 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9247 Valid, 42836 Invalid, 3508 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 3498 Invalid, 8 Unknown, 0 Unchecked, 41.3s Time] [2021-11-23 03:43:35,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25371 states. [2021-11-23 03:43:37,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25371 to 25353. [2021-11-23 03:43:37,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25353 states, 16156 states have (on average 1.3365313196335726) internal successors, (21593), 16518 states have internal predecessors, (21593), 8242 states have call successors, (8242), 956 states have call predecessors, (8242), 954 states have return successors, (8241), 8199 states have call predecessors, (8241), 8234 states have call successors, (8241) [2021-11-23 03:43:38,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25353 states to 25353 states and 38076 transitions. [2021-11-23 03:43:38,106 INFO L78 Accepts]: Start accepts. Automaton has 25353 states and 38076 transitions. Word has length 293 [2021-11-23 03:43:38,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:43:38,108 INFO L470 AbstractCegarLoop]: Abstraction has 25353 states and 38076 transitions. [2021-11-23 03:43:38,108 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (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 03:43:38,108 INFO L276 IsEmpty]: Start isEmpty. Operand 25353 states and 38076 transitions. [2021-11-23 03:43:38,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2021-11-23 03:43:38,123 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:43:38,124 INFO L514 BasicCegarLoop]: trace histogram [27, 23, 23, 23, 23, 23, 23, 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, 1, 1, 1, 1] [2021-11-23 03:43:38,124 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-23 03:43:38,124 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:43:38,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:43:38,125 INFO L85 PathProgramCache]: Analyzing trace with hash -299423969, now seen corresponding path program 1 times [2021-11-23 03:43:38,125 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:43:38,126 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138737788] [2021-11-23 03:43:38,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:43:38,126 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:43:38,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:43:39,265 INFO L134 CoverageAnalysis]: Checked inductivity of 2256 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2254 trivial. 0 not checked. [2021-11-23 03:43:39,265 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:43:39,265 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138737788] [2021-11-23 03:43:39,266 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2138737788] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:43:39,266 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:43:39,266 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 03:43:39,266 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323253782] [2021-11-23 03:43:39,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:43:39,267 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-23 03:43:39,267 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:43:39,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 03:43:39,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-23 03:43:39,268 INFO L87 Difference]: Start difference. First operand 25353 states and 38076 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, (37), 3 states have call predecessors, (37), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2021-11-23 03:43:44,399 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:43:51,718 WARN L534 Checker$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 03:43:58,775 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:43:59,934 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:44:03,691 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:44:08,394 WARN L534 Checker$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 03:44:10,513 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:44:12,545 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:44:14,824 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:44:19,387 WARN L534 Checker$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 03:44:20,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:44:20,101 INFO L93 Difference]: Finished difference Result 37764 states and 56685 transitions. [2021-11-23 03:44:20,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-23 03:44:20,102 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, (37), 3 states have call predecessors, (37), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 301 [2021-11-23 03:44:20,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:44:20,396 INFO L225 Difference]: With dead ends: 37764 [2021-11-23 03:44:20,396 INFO L226 Difference]: Without dead ends: 37760 [2021-11-23 03:44:20,443 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-23 03:44:20,447 INFO L933 BasicCegarLoop]: 11266 mSDtfsCounter, 9330 mSDsluCounter, 34281 mSDsCounter, 0 mSdLazyCounter, 3508 mSolverCounterSat, 2 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9332 SdHoareTripleChecker+Valid, 42926 SdHoareTripleChecker+Invalid, 3517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 3508 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 39.7s IncrementalHoareTripleChecker+Time [2021-11-23 03:44:20,449 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9332 Valid, 42926 Invalid, 3517 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 3508 Invalid, 7 Unknown, 0 Unchecked, 39.7s Time] [2021-11-23 03:44:20,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37760 states. [2021-11-23 03:44:23,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37760 to 37744. [2021-11-23 03:44:23,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37744 states, 24013 states have (on average 1.3349435722317078) internal successors, (32056), 24553 states have internal predecessors, (32056), 12301 states have call successors, (12301), 1433 states have call predecessors, (12301), 1429 states have return successors, (12300), 12238 states have call predecessors, (12300), 12289 states have call successors, (12300) [2021-11-23 03:44:24,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37744 states to 37744 states and 56657 transitions. [2021-11-23 03:44:24,127 INFO L78 Accepts]: Start accepts. Automaton has 37744 states and 56657 transitions. Word has length 301 [2021-11-23 03:44:24,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:44:24,132 INFO L470 AbstractCegarLoop]: Abstraction has 37744 states and 56657 transitions. [2021-11-23 03:44:24,133 INFO L471 AbstractCegarLoop]: INTERPOLANT 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, (37), 3 states have call predecessors, (37), 1 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2021-11-23 03:44:24,133 INFO L276 IsEmpty]: Start isEmpty. Operand 37744 states and 56657 transitions. [2021-11-23 03:44:24,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2021-11-23 03:44:24,148 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:44:24,150 INFO L514 BasicCegarLoop]: trace histogram [27, 23, 23, 23, 23, 23, 23, 5, 5, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-23 03:44:24,150 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-23 03:44:24,150 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:44:24,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:44:24,151 INFO L85 PathProgramCache]: Analyzing trace with hash 496440893, now seen corresponding path program 1 times [2021-11-23 03:44:24,151 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:44:24,151 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439067710] [2021-11-23 03:44:24,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:44:24,152 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:44:24,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:44:25,256 INFO L134 CoverageAnalysis]: Checked inductivity of 2262 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2258 trivial. 0 not checked. [2021-11-23 03:44:25,256 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:44:25,256 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439067710] [2021-11-23 03:44:25,257 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [439067710] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:44:25,257 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:44:25,257 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 03:44:25,257 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513029571] [2021-11-23 03:44:25,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:44:25,258 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-23 03:44:25,258 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:44:25,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 03:44:25,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-23 03:44:25,259 INFO L87 Difference]: Start difference. First operand 37744 states and 56657 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, (38), 3 states have call predecessors, (38), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2021-11-23 03:44:33,590 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:44:38,426 WARN L534 Checker$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 03:44:45,586 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:44:46,768 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:44:50,265 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:44:55,158 WARN L534 Checker$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 03:44:57,192 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:44:59,504 WARN L534 Checker$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 03:45:03,073 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:45:06,455 WARN L534 Checker$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 03:45:08,680 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 03:45:09,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:45:09,401 INFO L93 Difference]: Finished difference Result 37762 states and 56682 transitions. [2021-11-23 03:45:09,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-23 03:45:09,401 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, (38), 3 states have call predecessors, (38), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 306 [2021-11-23 03:45:09,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:45:09,846 INFO L225 Difference]: With dead ends: 37762 [2021-11-23 03:45:09,846 INFO L226 Difference]: Without dead ends: 37735 [2021-11-23 03:45:09,880 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-23 03:45:09,883 INFO L933 BasicCegarLoop]: 11237 mSDtfsCounter, 9234 mSDsluCounter, 34218 mSDsCounter, 0 mSdLazyCounter, 3494 mSolverCounterSat, 2 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 40.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9235 SdHoareTripleChecker+Valid, 42841 SdHoareTripleChecker+Invalid, 3504 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 3494 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 43.1s IncrementalHoareTripleChecker+Time [2021-11-23 03:45:09,887 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9235 Valid, 42841 Invalid, 3504 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 3494 Invalid, 8 Unknown, 0 Unchecked, 43.1s Time] [2021-11-23 03:45:09,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37735 states. [2021-11-23 03:45:12,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37735 to 37719. [2021-11-23 03:45:12,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37719 states, 24003 states have (on average 1.3349581302337208) internal successors, (32043), 24541 states have internal predecessors, (32043), 12289 states have call successors, (12289), 1428 states have call predecessors, (12289), 1426 states have return successors, (12292), 12230 states have call predecessors, (12292), 12281 states have call successors, (12292) [2021-11-23 03:45:12,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37719 states to 37719 states and 56624 transitions. [2021-11-23 03:45:12,757 INFO L78 Accepts]: Start accepts. Automaton has 37719 states and 56624 transitions. Word has length 306 [2021-11-23 03:45:12,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:45:12,761 INFO L470 AbstractCegarLoop]: Abstraction has 37719 states and 56624 transitions. [2021-11-23 03:45:12,761 INFO L471 AbstractCegarLoop]: INTERPOLANT 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, (38), 3 states have call predecessors, (38), 1 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2021-11-23 03:45:12,761 INFO L276 IsEmpty]: Start isEmpty. Operand 37719 states and 56624 transitions. [2021-11-23 03:45:13,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 454 [2021-11-23 03:45:13,132 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:45:13,133 INFO L514 BasicCegarLoop]: trace histogram [32, 25, 25, 25, 25, 25, 25, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:45:13,133 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-23 03:45:13,133 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:45:13,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:45:13,134 INFO L85 PathProgramCache]: Analyzing trace with hash -1757392976, now seen corresponding path program 1 times [2021-11-23 03:45:13,134 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:45:13,134 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964211262] [2021-11-23 03:45:13,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:45:13,135 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:45:13,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:45:14,104 INFO L134 CoverageAnalysis]: Checked inductivity of 2897 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 2885 trivial. 0 not checked. [2021-11-23 03:45:14,105 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:45:14,105 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964211262] [2021-11-23 03:45:14,105 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [964211262] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:45:14,105 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:45:14,106 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 03:45:14,106 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391016782] [2021-11-23 03:45:14,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:45:14,108 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:45:14,108 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:45:14,109 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:45:14,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:45:14,109 INFO L87 Difference]: Start difference. First operand 37719 states and 56624 transitions. Second operand has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 3 states have call successors, (59), 2 states have call predecessors, (59), 1 states have return successors, (57), 3 states have call predecessors, (57), 3 states have call successors, (57) [2021-11-23 03:45:24,926 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 03:45:27,110 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:45:29,995 WARN L534 Checker$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 03:45:34,220 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:45:36,883 WARN L534 Checker$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 03:45:38,914 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:45:41,091 WARN L534 Checker$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 03:45:44,100 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 03:45:45,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:45:45,439 INFO L93 Difference]: Finished difference Result 109337 states and 164178 transitions. [2021-11-23 03:45:45,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:45:45,440 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 3 states have call successors, (59), 2 states have call predecessors, (59), 1 states have return successors, (57), 3 states have call predecessors, (57), 3 states have call successors, (57) Word has length 453 [2021-11-23 03:45:45,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:45:46,055 INFO L225 Difference]: With dead ends: 109337 [2021-11-23 03:45:46,055 INFO L226 Difference]: Without dead ends: 71665 [2021-11-23 03:45:46,354 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 03:45:46,355 INFO L933 BasicCegarLoop]: 11491 mSDtfsCounter, 8514 mSDsluCounter, 10013 mSDsCounter, 0 mSdLazyCounter, 1849 mSolverCounterSat, 19 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8515 SdHoareTripleChecker+Valid, 20652 SdHoareTripleChecker+Invalid, 1876 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 1849 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.0s IncrementalHoareTripleChecker+Time [2021-11-23 03:45:46,356 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8515 Valid, 20652 Invalid, 1876 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 1849 Invalid, 8 Unknown, 0 Unchecked, 29.0s Time] [2021-11-23 03:45:46,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71665 states. [2021-11-23 03:45:50,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71665 to 71630. [2021-11-23 03:45:51,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71630 states, 45705 states have (on average 1.3328519855595669) internal successors, (60918), 46710 states have internal predecessors, (60918), 23279 states have call successors, (23279), 2649 states have call predecessors, (23279), 2645 states have return successors, (23294), 23153 states have call predecessors, (23294), 23271 states have call successors, (23294) [2021-11-23 03:45:52,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71630 states to 71630 states and 107491 transitions. [2021-11-23 03:45:52,324 INFO L78 Accepts]: Start accepts. Automaton has 71630 states and 107491 transitions. Word has length 453 [2021-11-23 03:45:52,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:45:52,326 INFO L470 AbstractCegarLoop]: Abstraction has 71630 states and 107491 transitions. [2021-11-23 03:45:52,326 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 3 states have internal predecessors, (140), 3 states have call successors, (59), 2 states have call predecessors, (59), 1 states have return successors, (57), 3 states have call predecessors, (57), 3 states have call successors, (57) [2021-11-23 03:45:52,326 INFO L276 IsEmpty]: Start isEmpty. Operand 71630 states and 107491 transitions. [2021-11-23 03:45:52,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 459 [2021-11-23 03:45:52,463 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:45:52,464 INFO L514 BasicCegarLoop]: trace histogram [32, 25, 25, 25, 25, 25, 25, 9, 9, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:45:52,464 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-23 03:45:52,464 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:45:52,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:45:52,465 INFO L85 PathProgramCache]: Analyzing trace with hash -1843529167, now seen corresponding path program 1 times [2021-11-23 03:45:52,465 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:45:52,465 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717275767] [2021-11-23 03:45:52,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:45:52,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:45:52,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:45:53,695 INFO L134 CoverageAnalysis]: Checked inductivity of 2921 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2906 trivial. 0 not checked. [2021-11-23 03:45:53,696 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:45:53,696 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717275767] [2021-11-23 03:45:53,696 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1717275767] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:45:53,697 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:45:53,697 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-23 03:45:53,697 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558993752] [2021-11-23 03:45:53,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:45:53,698 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-23 03:45:53,698 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:45:53,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-23 03:45:53,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-23 03:45:53,700 INFO L87 Difference]: Start difference. First operand 71630 states and 107491 transitions. Second operand has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 3 states have call successors, (61), 2 states have call predecessors, (61), 1 states have return successors, (59), 3 states have call predecessors, (59), 3 states have call successors, (59) [2021-11-23 03:46:07,731 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:46:10,616 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:46:13,676 WARN L534 Checker$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 03:46:17,076 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:46:20,844 WARN L534 Checker$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 03:46:22,878 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:46:25,074 WARN L534 Checker$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 03:46:28,352 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:46:30,602 WARN L534 Checker$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 03:46:31,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:46:31,941 INFO L93 Difference]: Finished difference Result 124628 states and 187013 transitions. [2021-11-23 03:46:31,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-23 03:46:31,941 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 3 states have call successors, (61), 2 states have call predecessors, (61), 1 states have return successors, (59), 3 states have call predecessors, (59), 3 states have call successors, (59) Word has length 458 [2021-11-23 03:46:31,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:46:32,723 INFO L225 Difference]: With dead ends: 124628 [2021-11-23 03:46:32,723 INFO L226 Difference]: Without dead ends: 88577 [2021-11-23 03:46:32,935 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 03:46:32,937 INFO L933 BasicCegarLoop]: 16931 mSDtfsCounter, 8437 mSDsluCounter, 10011 mSDsCounter, 0 mSdLazyCounter, 2495 mSolverCounterSat, 15 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8440 SdHoareTripleChecker+Valid, 26090 SdHoareTripleChecker+Invalid, 2518 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 2495 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.5s IncrementalHoareTripleChecker+Time [2021-11-23 03:46:32,937 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8440 Valid, 26090 Invalid, 2518 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [15 Valid, 2495 Invalid, 8 Unknown, 0 Unchecked, 35.5s Time] [2021-11-23 03:46:33,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88577 states. [2021-11-23 03:46:38,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88577 to 88546. [2021-11-23 03:46:39,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88546 states, 56516 states have (on average 1.3325076084648595) internal successors, (75308), 57758 states have internal predecessors, (75308), 28763 states have call successors, (28763), 3272 states have call predecessors, (28763), 3266 states have return successors, (28787), 28599 states have call predecessors, (28787), 28755 states have call successors, (28787) [2021-11-23 03:46:39,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88546 states to 88546 states and 132858 transitions. [2021-11-23 03:46:39,684 INFO L78 Accepts]: Start accepts. Automaton has 88546 states and 132858 transitions. Word has length 458 [2021-11-23 03:46:39,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:46:39,687 INFO L470 AbstractCegarLoop]: Abstraction has 88546 states and 132858 transitions. [2021-11-23 03:46:39,687 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 3 states have call successors, (61), 2 states have call predecessors, (61), 1 states have return successors, (59), 3 states have call predecessors, (59), 3 states have call successors, (59) [2021-11-23 03:46:39,687 INFO L276 IsEmpty]: Start isEmpty. Operand 88546 states and 132858 transitions. [2021-11-23 03:46:40,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 521 [2021-11-23 03:46:40,228 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:46:40,229 INFO L514 BasicCegarLoop]: trace histogram [34, 25, 25, 25, 25, 25, 25, 13, 13, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:46:40,229 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-23 03:46:40,229 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:46:40,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:46:40,230 INFO L85 PathProgramCache]: Analyzing trace with hash -864302445, now seen corresponding path program 1 times [2021-11-23 03:46:40,230 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:46:40,230 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762896549] [2021-11-23 03:46:40,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:46:40,231 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:46:40,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:46:41,395 INFO L134 CoverageAnalysis]: Checked inductivity of 3217 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 3201 trivial. 0 not checked. [2021-11-23 03:46:41,396 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:46:41,396 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762896549] [2021-11-23 03:46:41,396 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1762896549] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:46:41,396 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:46:41,396 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 03:46:41,396 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188444445] [2021-11-23 03:46:41,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:46:41,397 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 03:46:41,398 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:46:41,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 03:46:41,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 03:46:41,399 INFO L87 Difference]: Start difference. First operand 88546 states and 132858 transitions. Second operand has 4 states, 4 states have (on average 37.5) internal successors, (150), 4 states have internal predecessors, (150), 2 states have call successors, (66), 2 states have call predecessors, (66), 1 states have return successors, (64), 2 states have call predecessors, (64), 2 states have call successors, (64) [2021-11-23 03:46:53,664 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:46:55,695 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:46:58,938 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:47:03,440 WARN L534 Checker$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 03:47:05,883 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:47:15,864 WARN L534 Checker$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 03:47:17,899 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:47:20,173 WARN L534 Checker$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 03:47:24,410 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:47:26,674 WARN L534 Checker$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 03:47:30,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:47:30,117 INFO L93 Difference]: Finished difference Result 214411 states and 325294 transitions. [2021-11-23 03:47:30,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 03:47:30,124 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 37.5) internal successors, (150), 4 states have internal predecessors, (150), 2 states have call successors, (66), 2 states have call predecessors, (66), 1 states have return successors, (64), 2 states have call predecessors, (64), 2 states have call successors, (64) Word has length 520 [2021-11-23 03:47:30,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:47:30,931 INFO L225 Difference]: With dead ends: 214411 [2021-11-23 03:47:30,931 INFO L226 Difference]: Without dead ends: 125912 [2021-11-23 03:47:31,616 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 03:47:31,617 INFO L933 BasicCegarLoop]: 11589 mSDtfsCounter, 3506 mSDsluCounter, 22787 mSDsCounter, 0 mSdLazyCounter, 3136 mSolverCounterSat, 950 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 40.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3988 SdHoareTripleChecker+Valid, 32388 SdHoareTripleChecker+Invalid, 4095 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 950 IncrementalHoareTripleChecker+Valid, 3136 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 43.1s IncrementalHoareTripleChecker+Time [2021-11-23 03:47:31,618 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3988 Valid, 32388 Invalid, 4095 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [950 Valid, 3136 Invalid, 9 Unknown, 0 Unchecked, 43.1s Time] [2021-11-23 03:47:31,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125912 states. [2021-11-23 03:47:40,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125912 to 88558. [2021-11-23 03:47:40,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88558 states, 56528 states have (on average 1.3324370223606001) internal successors, (75320), 57770 states have internal predecessors, (75320), 28763 states have call successors, (28763), 3272 states have call predecessors, (28763), 3266 states have return successors, (28787), 28599 states have call predecessors, (28787), 28755 states have call successors, (28787) [2021-11-23 03:47:41,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88558 states to 88558 states and 132870 transitions. [2021-11-23 03:47:41,581 INFO L78 Accepts]: Start accepts. Automaton has 88558 states and 132870 transitions. Word has length 520 [2021-11-23 03:47:41,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:47:41,582 INFO L470 AbstractCegarLoop]: Abstraction has 88558 states and 132870 transitions. [2021-11-23 03:47:41,582 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 37.5) internal successors, (150), 4 states have internal predecessors, (150), 2 states have call successors, (66), 2 states have call predecessors, (66), 1 states have return successors, (64), 2 states have call predecessors, (64), 2 states have call successors, (64) [2021-11-23 03:47:41,583 INFO L276 IsEmpty]: Start isEmpty. Operand 88558 states and 132870 transitions. [2021-11-23 03:47:41,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 538 [2021-11-23 03:47:41,731 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:47:41,732 INFO L514 BasicCegarLoop]: trace histogram [34, 25, 25, 25, 25, 25, 25, 15, 15, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:47:41,732 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-23 03:47:41,733 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:47:41,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:47:41,734 INFO L85 PathProgramCache]: Analyzing trace with hash 665206250, now seen corresponding path program 1 times [2021-11-23 03:47:41,734 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:47:41,734 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606809493] [2021-11-23 03:47:41,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:47:41,735 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:47:42,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:47:43,823 INFO L134 CoverageAnalysis]: Checked inductivity of 3318 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3318 trivial. 0 not checked. [2021-11-23 03:47:43,824 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:47:43,824 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606809493] [2021-11-23 03:47:43,824 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [606809493] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:47:43,824 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:47:43,825 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 03:47:43,825 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374315388] [2021-11-23 03:47:43,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:47:43,826 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-23 03:47:43,827 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:47:43,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 03:47:43,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-23 03:47:43,828 INFO L87 Difference]: Start difference. First operand 88558 states and 132870 transitions. Second operand has 5 states, 5 states have (on average 28.6) internal successors, (143), 4 states have internal predecessors, (143), 2 states have call successors, (66), 3 states have call predecessors, (66), 1 states have return successors, (64), 2 states have call predecessors, (64), 2 states have call successors, (64) [2021-11-23 03:47:48,049 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:48:01,768 WARN L534 Checker$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 03:48:06,688 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:48:11,681 WARN L534 Checker$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 03:48:14,234 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:48:20,789 WARN L534 Checker$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 03:48:22,829 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:48:25,143 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:48:29,103 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:48:31,328 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:48:33,656 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:48:36,248 WARN L534 Checker$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 03:48:38,445 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:48:40,899 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.45s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:48:43,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 03:48:43,086 INFO L93 Difference]: Finished difference Result 152570 states and 228886 transitions. [2021-11-23 03:48:43,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-23 03:48:43,087 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 28.6) internal successors, (143), 4 states have internal predecessors, (143), 2 states have call successors, (66), 3 states have call predecessors, (66), 1 states have return successors, (64), 2 states have call predecessors, (64), 2 states have call successors, (64) Word has length 537 [2021-11-23 03:48:43,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 03:48:44,081 INFO L225 Difference]: With dead ends: 152570 [2021-11-23 03:48:44,081 INFO L226 Difference]: Without dead ends: 152566 [2021-11-23 03:48:44,164 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 03:48:44,165 INFO L933 BasicCegarLoop]: 11349 mSDtfsCounter, 9625 mSDsluCounter, 34439 mSDsCounter, 0 mSdLazyCounter, 3483 mSolverCounterSat, 2 mSolverCounterUnsat, 13 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 50.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9630 SdHoareTripleChecker+Valid, 43181 SdHoareTripleChecker+Invalid, 3498 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 3483 IncrementalHoareTripleChecker+Invalid, 13 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 54.4s IncrementalHoareTripleChecker+Time [2021-11-23 03:48:44,165 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9630 Valid, 43181 Invalid, 3498 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 3483 Invalid, 13 Unknown, 0 Unchecked, 54.4s Time] [2021-11-23 03:48:44,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152566 states. [2021-11-23 03:48:56,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152566 to 152519. [2021-11-23 03:48:57,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152519 states, 97363 states have (on average 1.3322206587718126) internal successors, (129709), 99510 states have internal predecessors, (129709), 49533 states have call successors, (49533), 5635 states have call predecessors, (49533), 5622 states have return successors, (49582), 49233 states have call predecessors, (49582), 49517 states have call successors, (49582) [2021-11-23 03:48:59,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152519 states to 152519 states and 228824 transitions. [2021-11-23 03:48:59,110 INFO L78 Accepts]: Start accepts. Automaton has 152519 states and 228824 transitions. Word has length 537 [2021-11-23 03:48:59,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 03:48:59,111 INFO L470 AbstractCegarLoop]: Abstraction has 152519 states and 228824 transitions. [2021-11-23 03:48:59,111 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 28.6) internal successors, (143), 4 states have internal predecessors, (143), 2 states have call successors, (66), 3 states have call predecessors, (66), 1 states have return successors, (64), 2 states have call predecessors, (64), 2 states have call successors, (64) [2021-11-23 03:48:59,111 INFO L276 IsEmpty]: Start isEmpty. Operand 152519 states and 228824 transitions. [2021-11-23 03:48:59,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 547 [2021-11-23 03:48:59,874 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 03:48:59,874 INFO L514 BasicCegarLoop]: trace histogram [34, 25, 25, 25, 25, 25, 25, 16, 16, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:48:59,875 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-23 03:48:59,875 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 03:48:59,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 03:48:59,876 INFO L85 PathProgramCache]: Analyzing trace with hash 481753489, now seen corresponding path program 1 times [2021-11-23 03:48:59,876 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 03:48:59,876 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308892965] [2021-11-23 03:48:59,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 03:48:59,876 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 03:49:00,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 03:49:01,215 INFO L134 CoverageAnalysis]: Checked inductivity of 3361 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3359 trivial. 0 not checked. [2021-11-23 03:49:01,216 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-23 03:49:01,216 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308892965] [2021-11-23 03:49:01,216 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [308892965] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 03:49:01,216 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 03:49:01,216 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-23 03:49:01,217 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682380688] [2021-11-23 03:49:01,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 03:49:01,218 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-23 03:49:01,219 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-23 03:49:01,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-23 03:49:01,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-23 03:49:01,220 INFO L87 Difference]: Start difference. First operand 152519 states and 228824 transitions. Second operand has 5 states, 5 states have (on average 29.6) internal successors, (148), 4 states have internal predecessors, (148), 2 states have call successors, (69), 3 states have call predecessors, (69), 1 states have return successors, (67), 2 states have call predecessors, (67), 2 states have call successors, (67) [2021-11-23 03:49:06,024 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:49:11,932 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:49:21,576 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:49:23,467 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:49:25,699 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 03:49:28,094 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []