./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 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_488e06b5-34d1-47a9-bdda-855e0882a28a/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_488e06b5-34d1-47a9-bdda-855e0882a28a/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_488e06b5-34d1-47a9-bdda-855e0882a28a/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_488e06b5-34d1-47a9-bdda-855e0882a28a/bin/utaipan-eEHZpOm5b7/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_488e06b5-34d1-47a9-bdda-855e0882a28a/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_488e06b5-34d1-47a9-bdda-855e0882a28a/bin/utaipan-eEHZpOm5b7 --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 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 18:53:24,295 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 18:53:24,297 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 18:53:24,328 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 18:53:24,329 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 18:53:24,330 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 18:53:24,332 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 18:53:24,334 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 18:53:24,336 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 18:53:24,338 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 18:53:24,339 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 18:53:24,341 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 18:53:24,343 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 18:53:24,347 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 18:53:24,349 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 18:53:24,352 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 18:53:24,354 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 18:53:24,360 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 18:53:24,364 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 18:53:24,370 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 18:53:24,377 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 18:53:24,379 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 18:53:24,380 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 18:53:24,383 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 18:53:24,387 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 18:53:24,388 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 18:53:24,389 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 18:53:24,394 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 18:53:24,397 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 18:53:24,398 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 18:53:24,399 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 18:53:24,400 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 18:53:24,402 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 18:53:24,403 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 18:53:24,405 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 18:53:24,405 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 18:53:24,406 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 18:53:24,407 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 18:53:24,407 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 18:53:24,408 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 18:53:24,409 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 18:53:24,409 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_488e06b5-34d1-47a9-bdda-855e0882a28a/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-25 18:53:24,455 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 18:53:24,456 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 18:53:24,457 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 18:53:24,457 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 18:53:24,458 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 18:53:24,459 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 18:53:24,459 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 18:53:24,459 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 18:53:24,459 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 18:53:24,460 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 18:53:24,461 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 18:53:24,461 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 18:53:24,461 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 18:53:24,461 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 18:53:24,462 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 18:53:24,462 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 18:53:24,462 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 18:53:24,463 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 18:53:24,464 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 18:53:24,464 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 18:53:24,464 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 18:53:24,465 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 18:53:24,465 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 18:53:24,465 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 18:53:24,465 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 18:53:24,466 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 18:53:24,467 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 18:53:24,467 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 18:53:24,468 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 18:53:24,468 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:53:24,468 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 18:53:24,469 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 18:53:24,469 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 18:53:24,469 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 18:53:24,469 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 18:53:24,470 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 18:53:24,470 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 18:53:24,470 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 18:53:24,470 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_488e06b5-34d1-47a9-bdda-855e0882a28a/bin/utaipan-eEHZpOm5b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_488e06b5-34d1-47a9-bdda-855e0882a28a/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 39ee2ab624432b04c82409208cb55ec81e2dd2f34a0a1ec3852f07ecbac05add [2021-11-25 18:53:24,762 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 18:53:24,789 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 18:53:24,792 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 18:53:24,793 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 18:53:24,794 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 18:53:24,795 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_488e06b5-34d1-47a9-bdda-855e0882a28a/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-intel-e1000-e1000.cil.i [2021-11-25 18:53:24,875 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_488e06b5-34d1-47a9-bdda-855e0882a28a/bin/utaipan-eEHZpOm5b7/data/f65cebfda/66e60e9550a44961afcfba3916799cea/FLAGe8e6d6d1f [2021-11-25 18:53:26,261 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 18:53:26,262 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_488e06b5-34d1-47a9-bdda-855e0882a28a/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-intel-e1000-e1000.cil.i [2021-11-25 18:53:26,357 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_488e06b5-34d1-47a9-bdda-855e0882a28a/bin/utaipan-eEHZpOm5b7/data/f65cebfda/66e60e9550a44961afcfba3916799cea/FLAGe8e6d6d1f [2021-11-25 18:53:26,776 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_488e06b5-34d1-47a9-bdda-855e0882a28a/bin/utaipan-eEHZpOm5b7/data/f65cebfda/66e60e9550a44961afcfba3916799cea [2021-11-25 18:53:26,779 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 18:53:26,780 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 18:53:26,781 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 18:53:26,781 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 18:53:26,785 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 18:53:26,785 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:53:26" (1/1) ... [2021-11-25 18:53:26,786 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3dd326c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:53:26, skipping insertion in model container [2021-11-25 18:53:26,787 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:53:26" (1/1) ... [2021-11-25 18:53:26,835 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 18:53:27,120 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 18:53:36,234 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_488e06b5-34d1-47a9-bdda-855e0882a28a/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] [2021-11-25 18:53:36,237 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_488e06b5-34d1-47a9-bdda-855e0882a28a/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] [2021-11-25 18:53:36,237 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_488e06b5-34d1-47a9-bdda-855e0882a28a/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] [2021-11-25 18:53:36,238 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_488e06b5-34d1-47a9-bdda-855e0882a28a/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] [2021-11-25 18:53:36,272 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:53:36,389 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 18:53:37,685 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_488e06b5-34d1-47a9-bdda-855e0882a28a/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] [2021-11-25 18:53:37,685 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_488e06b5-34d1-47a9-bdda-855e0882a28a/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] [2021-11-25 18:53:37,686 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_488e06b5-34d1-47a9-bdda-855e0882a28a/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] [2021-11-25 18:53:37,686 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_488e06b5-34d1-47a9-bdda-855e0882a28a/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] [2021-11-25 18:53:37,699 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:53:38,292 INFO L208 MainTranslator]: Completed translation [2021-11-25 18:53:38,293 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:53:38 WrapperNode [2021-11-25 18:53:38,293 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 18:53:38,294 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 18:53:38,294 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 18:53:38,295 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 18:53:38,302 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:53:38" (1/1) ... [2021-11-25 18:53:38,611 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:53:38" (1/1) ... [2021-11-25 18:53:39,689 INFO L137 Inliner]: procedures = 730, calls = 16220, calls flagged for inlining = 402, calls inlined = 349, statements flattened = 28817 [2021-11-25 18:53:39,690 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 18:53:39,691 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 18:53:39,692 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 18:53:39,693 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 18:53:39,702 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:53:38" (1/1) ... [2021-11-25 18:53:39,702 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:53:38" (1/1) ... [2021-11-25 18:53:40,041 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:53:38" (1/1) ... [2021-11-25 18:53:40,043 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:53:38" (1/1) ... [2021-11-25 18:53:40,801 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:53:38" (1/1) ... [2021-11-25 18:53:40,883 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:53:38" (1/1) ... [2021-11-25 18:53:41,023 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:53:38" (1/1) ... [2021-11-25 18:53:41,210 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 18:53:41,211 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 18:53:41,211 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 18:53:41,211 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 18:53:41,212 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:53:38" (1/1) ... [2021-11-25 18:53:41,220 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:53:41,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_488e06b5-34d1-47a9-bdda-855e0882a28a/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:53:41,246 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_488e06b5-34d1-47a9-bdda-855e0882a28a/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 18:53:41,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_488e06b5-34d1-47a9-bdda-855e0882a28a/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 18:53:41,298 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-11-25 18:53:41,298 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-11-25 18:53:41,298 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_config_fc_after_link_up [2021-11-25 18:53:41,298 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_config_fc_after_link_up [2021-11-25 18:53:41,299 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2021-11-25 18:53:41,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2021-11-25 18:53:41,299 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_config_collision_dist [2021-11-25 18:53:41,299 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_config_collision_dist [2021-11-25 18:53:41,299 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_raise_ee_clk [2021-11-25 18:53:41,299 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_raise_ee_clk [2021-11-25 18:53:41,299 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2021-11-25 18:53:41,300 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2021-11-25 18:53:41,300 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2021-11-25 18:53:41,300 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2021-11-25 18:53:41,300 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-25 18:53:41,300 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-25 18:53:41,300 INFO L130 BoogieDeclarations]: Found specification of procedure reg_pattern_test [2021-11-25 18:53:41,301 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_pattern_test [2021-11-25 18:53:41,301 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2021-11-25 18:53:41,301 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2021-11-25 18:53:41,301 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-11-25 18:53:41,301 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-11-25 18:53:41,301 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2021-11-25 18:53:41,302 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2021-11-25 18:53:41,302 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_eeprom [2021-11-25 18:53:41,302 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_eeprom [2021-11-25 18:53:41,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-25 18:53:41,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-25 18:53:41,303 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_release_manageability [2021-11-25 18:53:41,303 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_release_manageability [2021-11-25 18:53:41,303 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_shift_in_ee_bits [2021-11-25 18:53:41,304 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_shift_in_ee_bits [2021-11-25 18:53:41,304 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_down_and_stop [2021-11-25 18:53:41,304 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_down_and_stop [2021-11-25 18:53:41,304 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-11-25 18:53:41,304 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-11-25 18:53:41,305 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2021-11-25 18:53:41,305 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2021-11-25 18:53:41,305 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2021-11-25 18:53:41,305 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2021-11-25 18:53:41,305 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_unmap_and_free_tx_resource [2021-11-25 18:53:41,306 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_unmap_and_free_tx_resource [2021-11-25 18:53:41,306 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-11-25 18:53:41,306 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-11-25 18:53:41,307 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_get_info [2021-11-25 18:53:41,307 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_get_info [2021-11-25 18:53:41,308 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-25 18:53:41,308 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-25 18:53:41,308 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-25 18:53:41,308 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-25 18:53:41,308 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_do_read_eeprom [2021-11-25 18:53:41,308 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_do_read_eeprom [2021-11-25 18:53:41,308 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_setup_rctl [2021-11-25 18:53:41,309 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_setup_rctl [2021-11-25 18:53:41,309 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-11-25 18:53:41,309 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-11-25 18:53:41,310 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_rar_set [2021-11-25 18:53:41,310 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_rar_set [2021-11-25 18:53:41,310 INFO L130 BoogieDeclarations]: Found specification of procedure skb_set_tail_pointer [2021-11-25 18:53:41,310 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_set_tail_pointer [2021-11-25 18:53:41,310 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-25 18:53:41,310 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-25 18:53:41,311 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_reset [2021-11-25 18:53:41,311 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_reset [2021-11-25 18:53:41,311 INFO L130 BoogieDeclarations]: Found specification of procedure dma_zalloc_coherent [2021-11-25 18:53:41,311 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_zalloc_coherent [2021-11-25 18:53:41,311 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_init_eeprom_params [2021-11-25 18:53:41,311 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_init_eeprom_params [2021-11-25 18:53:41,312 INFO L130 BoogieDeclarations]: Found specification of procedure phys_to_virt [2021-11-25 18:53:41,312 INFO L138 BoogieDeclarations]: Found implementation of procedure phys_to_virt [2021-11-25 18:53:41,312 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-25 18:53:41,313 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-25 18:53:41,313 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-25 18:53:41,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-25 18:53:41,313 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-25 18:53:41,314 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-25 18:53:41,314 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-25 18:53:41,314 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-25 18:53:41,314 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-25 18:53:41,315 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-25 18:53:41,315 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-25 18:53:41,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-25 18:53:41,316 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2021-11-25 18:53:41,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2021-11-25 18:53:41,316 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-25 18:53:41,316 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-25 18:53:41,316 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-11-25 18:53:41,317 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-11-25 18:53:41,317 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 18:53:41,317 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-11-25 18:53:41,318 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-11-25 18:53:41,318 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_phy_reg [2021-11-25 18:53:41,318 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_phy_reg [2021-11-25 18:53:41,318 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_speed_and_duplex [2021-11-25 18:53:41,318 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_speed_and_duplex [2021-11-25 18:53:41,318 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_standby_eeprom [2021-11-25 18:53:41,318 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_standby_eeprom [2021-11-25 18:53:41,319 INFO L130 BoogieDeclarations]: Found specification of procedure find_next_bit [2021-11-25 18:53:41,319 INFO L138 BoogieDeclarations]: Found implementation of procedure find_next_bit [2021-11-25 18:53:41,319 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-11-25 18:53:41,319 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-11-25 18:53:41,320 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_configure_rx [2021-11-25 18:53:41,320 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_configure_rx [2021-11-25 18:53:41,320 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-25 18:53:41,320 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-25 18:53:41,321 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_hw_dev [2021-11-25 18:53:41,323 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_hw_dev [2021-11-25 18:53:41,324 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_update_stats [2021-11-25 18:53:41,324 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_update_stats [2021-11-25 18:53:41,324 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_validate_option [2021-11-25 18:53:41,325 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_validate_option [2021-11-25 18:53:41,325 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-25 18:53:41,325 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-25 18:53:41,326 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-25 18:53:41,326 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-25 18:53:41,332 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_for_link [2021-11-25 18:53:41,333 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_for_link [2021-11-25 18:53:41,333 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_irq [2021-11-25 18:53:41,333 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_irq [2021-11-25 18:53:41,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-25 18:53:41,333 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2021-11-25 18:53:41,334 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2021-11-25 18:53:41,334 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_setup_link [2021-11-25 18:53:41,334 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_setup_link [2021-11-25 18:53:41,334 INFO L130 BoogieDeclarations]: Found specification of procedure __e1000_vlan_mode [2021-11-25 18:53:41,334 INFO L138 BoogieDeclarations]: Found implementation of procedure __e1000_vlan_mode [2021-11-25 18:53:41,334 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_reset [2021-11-25 18:53:41,334 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_reset [2021-11-25 18:53:41,335 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-25 18:53:41,335 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-25 18:53:41,335 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_config_dsp_after_link_change [2021-11-25 18:53:41,335 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_config_dsp_after_link_change [2021-11-25 18:53:41,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-25 18:53:41,335 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-25 18:53:41,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-25 18:53:41,335 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_maybe_stop_tx [2021-11-25 18:53:41,336 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_maybe_stop_tx [2021-11-25 18:53:41,336 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 18:53:41,336 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-25 18:53:41,336 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-25 18:53:41,336 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_shutdown [2021-11-25 18:53:41,336 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_shutdown [2021-11-25 18:53:41,336 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2021-11-25 18:53:41,337 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2021-11-25 18:53:41,337 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_vlan_used [2021-11-25 18:53:41,337 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_vlan_used [2021-11-25 18:53:41,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-25 18:53:41,337 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-25 18:53:41,337 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_disable_receiver [2021-11-25 18:53:41,337 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_disable_receiver [2021-11-25 18:53:41,338 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_vlan_rx_kill_vid [2021-11-25 18:53:41,338 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_vlan_rx_kill_vid [2021-11-25 18:53:41,338 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-25 18:53:41,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-25 18:53:41,338 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_force_mac_fc [2021-11-25 18:53:41,338 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_force_mac_fc [2021-11-25 18:53:41,338 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-11-25 18:53:41,339 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-11-25 18:53:41,339 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-25 18:53:41,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-25 18:53:41,339 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2021-11-25 18:53:41,339 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2021-11-25 18:53:41,339 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-25 18:53:41,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-25 18:53:41,340 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_leave_82542_rst [2021-11-25 18:53:41,340 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_leave_82542_rst [2021-11-25 18:53:41,340 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_has_link [2021-11-25 18:53:41,340 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_has_link [2021-11-25 18:53:41,340 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-11-25 18:53:41,340 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-11-25 18:53:41,340 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-25 18:53:41,341 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-25 18:53:41,341 INFO L130 BoogieDeclarations]: Found specification of procedure __udelay [2021-11-25 18:53:41,341 INFO L138 BoogieDeclarations]: Found implementation of procedure __udelay [2021-11-25 18:53:41,341 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_setup_all_tx_resources [2021-11-25 18:53:41,341 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_setup_all_tx_resources [2021-11-25 18:53:41,341 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2021-11-25 18:53:41,341 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2021-11-25 18:53:41,342 INFO L130 BoogieDeclarations]: Found specification of procedure pci_wake_from_d3 [2021-11-25 18:53:41,342 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_wake_from_d3 [2021-11-25 18:53:41,342 INFO L130 BoogieDeclarations]: Found specification of procedure reg_set_and_check [2021-11-25 18:53:41,342 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_set_and_check [2021-11-25 18:53:41,342 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 18:53:41,342 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-25 18:53:41,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-25 18:53:41,343 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-25 18:53:41,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-25 18:53:41,343 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_netpoll [2021-11-25 18:53:41,343 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_netpoll [2021-11-25 18:53:41,343 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-11-25 18:53:41,343 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-11-25 18:53:41,343 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 18:53:41,344 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-11-25 18:53:41,344 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-11-25 18:53:41,344 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-25 18:53:41,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-25 18:53:41,344 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-25 18:53:41,344 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-25 18:53:41,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 18:53:41,344 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_rx_mode [2021-11-25 18:53:41,345 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_rx_mode [2021-11-25 18:53:41,345 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-25 18:53:41,345 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-11-25 18:53:41,345 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-11-25 18:53:41,345 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-25 18:53:41,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-25 18:53:41,345 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_open [2021-11-25 18:53:41,346 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_open [2021-11-25 18:53:41,346 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2021-11-25 18:53:41,346 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2021-11-25 18:53:41,346 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_hw_reset [2021-11-25 18:53:41,346 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_hw_reset [2021-11-25 18:53:41,346 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_vfta [2021-11-25 18:53:41,346 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_vfta [2021-11-25 18:53:41,347 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-11-25 18:53:41,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-11-25 18:53:41,347 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_remove [2021-11-25 18:53:41,347 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_remove [2021-11-25 18:53:41,347 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_shift_out_ee_bits [2021-11-25 18:53:41,347 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_shift_out_ee_bits [2021-11-25 18:53:41,347 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_configure [2021-11-25 18:53:41,348 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_configure [2021-11-25 18:53:41,348 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-11-25 18:53:41,348 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-11-25 18:53:41,348 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-11-25 18:53:41,348 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-11-25 18:53:41,348 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-25 18:53:41,348 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-25 18:53:41,349 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_cable_length [2021-11-25 18:53:41,349 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_cable_length [2021-11-25 18:53:41,349 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-11-25 18:53:41,349 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-11-25 18:53:41,350 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_lower_ee_clk [2021-11-25 18:53:41,354 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_lower_ee_clk [2021-11-25 18:53:41,354 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_rx_resources [2021-11-25 18:53:41,354 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_rx_resources [2021-11-25 18:53:41,354 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-25 18:53:41,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-25 18:53:41,354 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_vlan_rx_add_vid [2021-11-25 18:53:41,354 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_vlan_rx_add_vid [2021-11-25 18:53:41,355 INFO L130 BoogieDeclarations]: Found specification of procedure device_can_wakeup [2021-11-25 18:53:41,355 INFO L138 BoogieDeclarations]: Found implementation of procedure device_can_wakeup [2021-11-25 18:53:41,356 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_selected_regions [2021-11-25 18:53:41,356 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_selected_regions [2021-11-25 18:53:41,356 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-11-25 18:53:41,357 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-11-25 18:53:41,357 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_io_write [2021-11-25 18:53:41,357 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_io_write [2021-11-25 18:53:41,357 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2021-11-25 18:53:41,357 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2021-11-25 18:53:41,357 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_resume [2021-11-25 18:53:41,357 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_resume [2021-11-25 18:53:41,358 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-11-25 18:53:41,358 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-11-25 18:53:41,358 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-25 18:53:41,358 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-25 18:53:41,358 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_eeprom [2021-11-25 18:53:41,358 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_eeprom [2021-11-25 18:53:41,358 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_enter_82542_rst [2021-11-25 18:53:41,358 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_enter_82542_rst [2021-11-25 18:53:41,359 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_acquire_eeprom [2021-11-25 18:53:41,359 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_acquire_eeprom [2021-11-25 18:53:41,359 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2021-11-25 18:53:41,359 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2021-11-25 18:53:41,359 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 18:53:41,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 18:53:41,359 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_power_down_phy [2021-11-25 18:53:41,360 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_power_down_phy [2021-11-25 18:53:41,360 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2021-11-25 18:53:41,360 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2021-11-25 18:53:41,360 INFO L130 BoogieDeclarations]: Found specification of procedure pci_select_bars [2021-11-25 18:53:41,360 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_select_bars [2021-11-25 18:53:41,360 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_spi_eeprom_ready [2021-11-25 18:53:41,360 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_spi_eeprom_ready [2021-11-25 18:53:41,360 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_pci_clear_mwi [2021-11-25 18:53:41,361 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_pci_clear_mwi [2021-11-25 18:53:41,361 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-25 18:53:41,361 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-25 18:53:41,361 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_power_up_phy [2021-11-25 18:53:41,361 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_power_up_phy [2021-11-25 18:53:41,361 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-25 18:53:41,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-25 18:53:41,362 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-25 18:53:41,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-25 18:53:41,362 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2021-11-25 18:53:41,362 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2021-11-25 18:53:41,362 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-25 18:53:41,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-25 18:53:41,362 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-11-25 18:53:41,362 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-11-25 18:53:41,363 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_phy_reg_ex [2021-11-25 18:53:41,363 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_phy_reg_ex [2021-11-25 18:53:41,363 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-25 18:53:41,363 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-25 18:53:41,363 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-25 18:53:41,363 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-11-25 18:53:41,363 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-11-25 18:53:41,364 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-25 18:53:41,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-25 18:53:41,364 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_io_resume [2021-11-25 18:53:41,364 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_io_resume [2021-11-25 18:53:41,364 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2021-11-25 18:53:41,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2021-11-25 18:53:41,364 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-11-25 18:53:41,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-11-25 18:53:41,365 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_polarity [2021-11-25 18:53:41,365 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_polarity [2021-11-25 18:53:41,365 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-25 18:53:41,365 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-25 18:53:41,365 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-25 18:53:41,365 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-25 18:53:41,365 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2021-11-25 18:53:41,366 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2021-11-25 18:53:41,366 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_raise_mdi_clk [2021-11-25 18:53:41,366 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_raise_mdi_clk [2021-11-25 18:53:41,366 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_config_mac_to_phy [2021-11-25 18:53:41,366 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_config_mac_to_phy [2021-11-25 18:53:41,366 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_eeprom_len [2021-11-25 18:53:41,366 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_eeprom_len [2021-11-25 18:53:41,367 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-25 18:53:41,367 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-25 18:53:41,367 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb_ip_align [2021-11-25 18:53:41,367 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb_ip_align [2021-11-25 18:53:41,367 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_setup_all_rx_resources [2021-11-25 18:53:41,367 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_setup_all_rx_resources [2021-11-25 18:53:41,367 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2021-11-25 18:53:41,367 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2021-11-25 18:53:41,368 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-11-25 18:53:41,368 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-11-25 18:53:41,368 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_close [2021-11-25 18:53:41,368 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_close [2021-11-25 18:53:41,368 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_reset_clk_and_crs [2021-11-25 18:53:41,368 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_reset_clk_and_crs [2021-11-25 18:53:41,368 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-11-25 18:53:41,369 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-11-25 18:53:41,369 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-25 18:53:41,369 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-25 18:53:41,369 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2021-11-25 18:53:41,369 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2021-11-25 18:53:41,369 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2021-11-25 18:53:41,369 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2021-11-25 18:53:41,369 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 18:53:41,370 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-25 18:53:41,370 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-25 18:53:41,370 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-11-25 18:53:41,370 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-11-25 18:53:41,370 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-25 18:53:41,370 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-25 18:53:41,370 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_get_regs_len [2021-11-25 18:53:41,371 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_get_regs_len [2021-11-25 18:53:41,371 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 18:53:41,371 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2021-11-25 18:53:41,371 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2021-11-25 18:53:41,371 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2021-11-25 18:53:41,371 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2021-11-25 18:53:41,371 INFO L130 BoogieDeclarations]: Found specification of procedure __pskb_pull_tail [2021-11-25 18:53:41,371 INFO L138 BoogieDeclarations]: Found implementation of procedure __pskb_pull_tail [2021-11-25 18:53:41,372 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_all_tx_resources [2021-11-25 18:53:41,372 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_all_tx_resources [2021-11-25 18:53:41,372 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_setup_autoneg [2021-11-25 18:53:41,372 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_setup_autoneg [2021-11-25 18:53:41,372 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_update_mng_vlan [2021-11-25 18:53:41,372 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_update_mng_vlan [2021-11-25 18:53:41,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-25 18:53:41,373 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_media_type [2021-11-25 18:53:41,373 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_media_type [2021-11-25 18:53:41,373 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_write_eeprom [2021-11-25 18:53:41,373 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_write_eeprom [2021-11-25 18:53:41,373 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_vlan_filter_on_off [2021-11-25 18:53:41,373 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_vlan_filter_on_off [2021-11-25 18:53:41,373 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-11-25 18:53:41,374 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-11-25 18:53:41,374 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_nway_reset [2021-11-25 18:53:41,374 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_nway_reset [2021-11-25 18:53:41,374 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-11-25 18:53:41,374 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-11-25 18:53:41,374 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_phy_loopback [2021-11-25 18:53:41,374 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_phy_loopback [2021-11-25 18:53:41,374 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-25 18:53:41,375 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-25 18:53:41,375 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-11-25 18:53:41,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-11-25 18:53:41,375 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-25 18:53:41,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-25 18:53:41,375 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-11-25 18:53:41,375 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-11-25 18:53:41,376 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_clean_all_rx_rings [2021-11-25 18:53:41,376 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_clean_all_rx_rings [2021-11-25 18:53:41,376 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-11-25 18:53:41,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-11-25 18:53:41,376 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_irq_enable [2021-11-25 18:53:41,376 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_irq_enable [2021-11-25 18:53:41,376 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_up [2021-11-25 18:53:41,376 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_up [2021-11-25 18:53:41,377 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_tx_timeout [2021-11-25 18:53:41,377 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_tx_timeout [2021-11-25 18:53:41,377 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_reinit_locked [2021-11-25 18:53:41,377 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_reinit_locked [2021-11-25 18:53:41,377 INFO L130 BoogieDeclarations]: Found specification of procedure find_first_bit [2021-11-25 18:53:41,377 INFO L138 BoogieDeclarations]: Found implementation of procedure find_first_bit [2021-11-25 18:53:41,377 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_phy_reg [2021-11-25 18:53:41,378 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_phy_reg [2021-11-25 18:53:41,378 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_all_rx_resources [2021-11-25 18:53:41,378 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_all_rx_resources [2021-11-25 18:53:41,378 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_lower_mdi_clk [2021-11-25 18:53:41,378 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_lower_mdi_clk [2021-11-25 18:53:41,378 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-11-25 18:53:41,378 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-11-25 18:53:41,379 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-25 18:53:41,379 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-25 18:53:41,379 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-25 18:53:41,379 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-25 18:53:41,379 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_copper_link_rtl_setup [2021-11-25 18:53:41,379 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_copper_link_rtl_setup [2021-11-25 18:53:41,379 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2021-11-25 18:53:41,380 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2021-11-25 18:53:41,380 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_read_eeprom [2021-11-25 18:53:41,380 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_read_eeprom [2021-11-25 18:53:41,380 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_desc_rings [2021-11-25 18:53:41,380 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_desc_rings [2021-11-25 18:53:41,380 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_pci_set_mwi [2021-11-25 18:53:41,380 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_pci_set_mwi [2021-11-25 18:53:41,380 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2021-11-25 18:53:41,381 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2021-11-25 18:53:41,381 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-25 18:53:41,381 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-25 18:53:41,381 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_polarity_reversal_workaround [2021-11-25 18:53:41,381 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_polarity_reversal_workaround [2021-11-25 18:53:41,381 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2021-11-25 18:53:41,381 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2021-11-25 18:53:41,382 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2021-11-25 18:53:41,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2021-11-25 18:53:41,382 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-25 18:53:41,382 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-25 18:53:41,382 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_link_test [2021-11-25 18:53:41,382 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_link_test [2021-11-25 18:53:41,382 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_shift_out_mdi_bits [2021-11-25 18:53:41,383 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_shift_out_mdi_bits [2021-11-25 18:53:41,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 18:53:41,383 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_check_64k_bound [2021-11-25 18:53:41,383 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_check_64k_bound [2021-11-25 18:53:41,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-25 18:53:41,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-25 18:53:41,383 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_set_spd_dplx [2021-11-25 18:53:41,384 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_set_spd_dplx [2021-11-25 18:53:41,384 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device_mem [2021-11-25 18:53:41,384 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device_mem [2021-11-25 18:53:41,384 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_down [2021-11-25 18:53:41,384 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_down [2021-11-25 18:53:41,384 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-25 18:53:41,384 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-25 18:53:41,384 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_phy_init_script [2021-11-25 18:53:41,385 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_phy_init_script [2021-11-25 18:53:41,385 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-11-25 18:53:41,385 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-11-25 18:53:41,385 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2021-11-25 18:53:41,385 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2021-11-25 18:53:41,385 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_request_irq [2021-11-25 18:53:41,385 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_request_irq [2021-11-25 18:53:41,386 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-11-25 18:53:41,386 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-11-25 18:53:41,386 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_release_eeprom [2021-11-25 18:53:41,386 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_release_eeprom [2021-11-25 18:53:41,386 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_reset_hw [2021-11-25 18:53:41,386 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_reset_hw [2021-11-25 18:53:41,386 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_irq_disable [2021-11-25 18:53:41,386 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_irq_disable [2021-11-25 18:53:41,387 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdrlen [2021-11-25 18:53:41,387 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdrlen [2021-11-25 18:53:41,387 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-11-25 18:53:41,387 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-11-25 18:53:41,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_17 [2021-11-25 18:53:41,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_17 [2021-11-25 18:53:41,387 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_clean_tx_ring [2021-11-25 18:53:41,388 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_clean_tx_ring [2021-11-25 18:53:41,388 INFO L130 BoogieDeclarations]: Found specification of procedure __e1000_shutdown [2021-11-25 18:53:41,388 INFO L138 BoogieDeclarations]: Found implementation of procedure __e1000_shutdown [2021-11-25 18:53:41,388 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_free_tx_resources [2021-11-25 18:53:41,388 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_free_tx_resources [2021-11-25 18:53:41,388 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-25 18:53:41,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-25 18:53:41,388 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-11-25 18:53:41,389 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-11-25 18:53:41,389 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-11-25 18:53:41,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-11-25 18:53:41,389 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-11-25 18:53:41,389 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-11-25 18:53:41,389 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_init_manageability [2021-11-25 18:53:41,389 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_init_manageability [2021-11-25 18:53:41,390 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2021-11-25 18:53:41,390 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2021-11-25 18:53:41,390 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-11-25 18:53:41,390 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-11-25 18:53:41,390 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_wol_exclusion [2021-11-25 18:53:41,390 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_wol_exclusion [2021-11-25 18:53:41,390 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-25 18:53:41,391 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-25 18:53:41,391 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2021-11-25 18:53:41,391 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2021-11-25 18:53:41,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_e1000_exit_module_13_2 [2021-11-25 18:53:41,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_e1000_exit_module_13_2 [2021-11-25 18:53:41,391 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-11-25 18:53:41,391 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-11-25 18:53:41,391 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2021-11-25 18:53:41,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 18:53:41,392 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2021-11-25 18:53:41,392 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2021-11-25 18:53:41,392 INFO L130 BoogieDeclarations]: Found specification of procedure e1000_clean_rx_ring [2021-11-25 18:53:41,392 INFO L138 BoogieDeclarations]: Found implementation of procedure e1000_clean_rx_ring [2021-11-25 18:53:41,392 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-25 18:53:41,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-25 18:53:41,393 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2021-11-25 18:53:43,617 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 18:53:43,622 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 18:53:45,047 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-25 18:54:43,324 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-25 18:54:43,607 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 18:54:51,927 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 18:54:51,928 INFO L301 CfgBuilder]: Removed 9 assume(true) statements. [2021-11-25 18:54:51,938 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:54:51 BoogieIcfgContainer [2021-11-25 18:54:51,939 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 18:54:51,940 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 18:54:51,940 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 18:54:51,943 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 18:54:51,944 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 06:53:26" (1/3) ... [2021-11-25 18:54:51,945 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78bd25b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:54:51, skipping insertion in model container [2021-11-25 18:54:51,945 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:53:38" (2/3) ... [2021-11-25 18:54:51,945 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78bd25b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:54:51, skipping insertion in model container [2021-11-25 18:54:51,945 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:54:51" (3/3) ... [2021-11-25 18:54:51,946 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-ethernet-intel-e1000-e1000.cil.i [2021-11-25 18:54:51,951 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 18:54:51,952 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-25 18:54:52,034 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 18:54:52,043 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 [2021-11-25 18:54:52,044 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-25 18:54:52,205 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) [2021-11-25 18:54:52,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2021-11-25 18:54:52,239 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:54:52,240 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] [2021-11-25 18:54:52,241 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] === [2021-11-25 18:54:52,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:54:52,247 INFO L85 PathProgramCache]: Analyzing trace with hash 2057095721, now seen corresponding path program 1 times [2021-11-25 18:54:52,256 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:54:52,256 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343673076] [2021-11-25 18:54:52,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:54:52,258 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:54:53,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:54:54,205 INFO L134 CoverageAnalysis]: Checked inductivity of 2070 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2070 trivial. 0 not checked. [2021-11-25 18:54:54,206 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:54:54,210 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343673076] [2021-11-25 18:54:54,211 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [343673076] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:54:54,211 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:54:54,211 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 18:54:54,213 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951870083] [2021-11-25 18:54:54,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:54:54,219 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:54:54,219 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:54:54,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:54:54,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:54:54,271 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) [2021-11-25 18:55:06,726 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 [] [2021-11-25 18:55:07,794 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:55:10,215 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:55:14,031 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:55:17,549 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:55:19,770 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:55:21,934 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:55:24,504 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 [] [2021-11-25 18:55:24,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:55:24,834 INFO L93 Difference]: Finished difference Result 19814 states and 29901 transitions. [2021-11-25 18:55:24,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:55:24,836 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 [2021-11-25 18:55:24,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:55:25,014 INFO L225 Difference]: With dead ends: 19814 [2021-11-25 18:55:25,014 INFO L226 Difference]: Without dead ends: 13127 [2021-11-25 18:55:25,090 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 [2021-11-25 18:55:25,094 INFO L933 BasicCegarLoop]: 11314 mSDtfsCounter, 9666 mSDsluCounter, 10050 mSDsCounter, 0 mSdLazyCounter, 1758 mSolverCounterSat, 7 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.1s 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, 29.6s IncrementalHoareTripleChecker+Time [2021-11-25 18:55:25,094 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9669 Valid, 20504 Invalid, 1772 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 1758 Invalid, 7 Unknown, 0 Unchecked, 29.6s Time] [2021-11-25 18:55:25,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13127 states. [2021-11-25 18:55:26,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13127 to 13090. [2021-11-25 18:55:26,659 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) [2021-11-25 18:55:26,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13090 states to 13090 states and 19682 transitions. [2021-11-25 18:55:26,795 INFO L78 Accepts]: Start accepts. Automaton has 13090 states and 19682 transitions. Word has length 251 [2021-11-25 18:55:26,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:55:26,800 INFO L470 AbstractCegarLoop]: Abstraction has 13090 states and 19682 transitions. [2021-11-25 18:55:26,801 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) [2021-11-25 18:55:26,801 INFO L276 IsEmpty]: Start isEmpty. Operand 13090 states and 19682 transitions. [2021-11-25 18:55:26,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2021-11-25 18:55:26,815 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:55:26,816 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] [2021-11-25 18:55:26,816 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 18:55:26,816 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] === [2021-11-25 18:55:26,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:55:26,817 INFO L85 PathProgramCache]: Analyzing trace with hash -287070739, now seen corresponding path program 1 times [2021-11-25 18:55:26,818 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:55:26,818 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361809938] [2021-11-25 18:55:26,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:55:26,818 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:55:27,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:55:27,854 INFO L134 CoverageAnalysis]: Checked inductivity of 2247 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2247 trivial. 0 not checked. [2021-11-25 18:55:27,854 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:55:27,855 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [361809938] [2021-11-25 18:55:27,855 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [361809938] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:55:27,855 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:55:27,855 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 18:55:27,855 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893493163] [2021-11-25 18:55:27,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:55:27,857 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 18:55:27,857 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:55:27,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 18:55:27,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:55:27,858 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) [2021-11-25 18:55:40,016 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 [] [2021-11-25 18:55:48,175 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:55:51,184 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:55:55,872 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:55:57,909 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:56:00,154 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:56:03,900 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:56:06,137 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 [] [2021-11-25 18:56:06,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:56:06,538 INFO L93 Difference]: Finished difference Result 25373 states and 38103 transitions. [2021-11-25 18:56:06,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-25 18:56:06,538 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 [2021-11-25 18:56:06,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:56:06,785 INFO L225 Difference]: With dead ends: 25373 [2021-11-25 18:56:06,785 INFO L226 Difference]: Without dead ends: 25371 [2021-11-25 18:56:06,812 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 [2021-11-25 18:56:06,813 INFO L933 BasicCegarLoop]: 11234 mSDtfsCounter, 9244 mSDsluCounter, 34216 mSDsCounter, 0 mSdLazyCounter, 3499 mSolverCounterSat, 2 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9247 SdHoareTripleChecker+Valid, 42836 SdHoareTripleChecker+Invalid, 3508 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 3499 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.8s IncrementalHoareTripleChecker+Time [2021-11-25 18:56:06,813 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9247 Valid, 42836 Invalid, 3508 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 3499 Invalid, 7 Unknown, 0 Unchecked, 37.8s Time] [2021-11-25 18:56:06,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25371 states. [2021-11-25 18:56:08,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25371 to 25353. [2021-11-25 18:56:09,024 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) [2021-11-25 18:56:09,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25353 states to 25353 states and 38076 transitions. [2021-11-25 18:56:09,224 INFO L78 Accepts]: Start accepts. Automaton has 25353 states and 38076 transitions. Word has length 293 [2021-11-25 18:56:09,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:56:09,226 INFO L470 AbstractCegarLoop]: Abstraction has 25353 states and 38076 transitions. [2021-11-25 18:56:09,226 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) [2021-11-25 18:56:09,226 INFO L276 IsEmpty]: Start isEmpty. Operand 25353 states and 38076 transitions. [2021-11-25 18:56:09,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2021-11-25 18:56:09,239 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:56:09,240 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] [2021-11-25 18:56:09,240 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-25 18:56:09,240 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] === [2021-11-25 18:56:09,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:56:09,241 INFO L85 PathProgramCache]: Analyzing trace with hash -299423969, now seen corresponding path program 1 times [2021-11-25 18:56:09,241 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:56:09,242 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136235782] [2021-11-25 18:56:09,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:56:09,242 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:56:09,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:56:10,218 INFO L134 CoverageAnalysis]: Checked inductivity of 2256 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2254 trivial. 0 not checked. [2021-11-25 18:56:10,219 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:56:10,219 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1136235782] [2021-11-25 18:56:10,219 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1136235782] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:56:10,219 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:56:10,219 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 18:56:10,219 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21330641] [2021-11-25 18:56:10,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:56:10,220 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 18:56:10,220 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:56:10,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 18:56:10,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:56:10,221 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) [2021-11-25 18:56:19,541 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:56:26,459 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:56:28,728 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:56:32,232 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:56:34,272 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:56:36,512 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:56:42,750 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:56:46,157 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:56:48,423 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:56:50,910 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 [] [2021-11-25 18:56:51,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:56:51,106 INFO L93 Difference]: Finished difference Result 31841 states and 47809 transitions. [2021-11-25 18:56:51,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-25 18:56:51,107 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 [2021-11-25 18:56:51,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:56:51,303 INFO L225 Difference]: With dead ends: 31841 [2021-11-25 18:56:51,303 INFO L226 Difference]: Without dead ends: 31837 [2021-11-25 18:56:51,326 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 [2021-11-25 18:56:51,329 INFO L933 BasicCegarLoop]: 11309 mSDtfsCounter, 9712 mSDsluCounter, 34358 mSDsCounter, 0 mSdLazyCounter, 3492 mSolverCounterSat, 2 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 38.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9714 SdHoareTripleChecker+Valid, 43055 SdHoareTripleChecker+Invalid, 3502 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 3492 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 40.1s IncrementalHoareTripleChecker+Time [2021-11-25 18:56:51,330 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9714 Valid, 43055 Invalid, 3502 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 3492 Invalid, 8 Unknown, 0 Unchecked, 40.1s Time] [2021-11-25 18:56:51,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31837 states. [2021-11-25 18:56:54,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31837 to 31798. [2021-11-25 18:56:54,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31798 states, 20272 states have (on average 1.3369672454617205) internal successors, (27103), 20725 states have internal predecessors, (27103), 10328 states have call successors, (10328), 1201 states have call predecessors, (10328), 1197 states have return successors, (10324), 10272 states have call predecessors, (10324), 10316 states have call successors, (10324) [2021-11-25 18:56:54,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31798 states to 31798 states and 47755 transitions. [2021-11-25 18:56:54,306 INFO L78 Accepts]: Start accepts. Automaton has 31798 states and 47755 transitions. Word has length 301 [2021-11-25 18:56:54,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:56:54,310 INFO L470 AbstractCegarLoop]: Abstraction has 31798 states and 47755 transitions. [2021-11-25 18:56:54,310 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) [2021-11-25 18:56:54,310 INFO L276 IsEmpty]: Start isEmpty. Operand 31798 states and 47755 transitions. [2021-11-25 18:56:54,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2021-11-25 18:56:54,325 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:56:54,326 INFO L514 BasicCegarLoop]: trace histogram [27, 23, 23, 23, 23, 23, 23, 5, 5, 3, 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] [2021-11-25 18:56:54,326 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-25 18:56:54,326 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] === [2021-11-25 18:56:54,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:56:54,327 INFO L85 PathProgramCache]: Analyzing trace with hash -706960946, now seen corresponding path program 1 times [2021-11-25 18:56:54,327 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:56:54,328 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624501051] [2021-11-25 18:56:54,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:56:54,328 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:56:55,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:56:55,647 INFO L134 CoverageAnalysis]: Checked inductivity of 2263 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2259 trivial. 0 not checked. [2021-11-25 18:56:55,648 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:56:55,648 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [624501051] [2021-11-25 18:56:55,648 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [624501051] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:56:55,648 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:56:55,648 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 18:56:55,648 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518819580] [2021-11-25 18:56:55,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:56:55,649 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 18:56:55,649 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:56:55,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 18:56:55,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:56:55,651 INFO L87 Difference]: Start difference. First operand 31798 states and 47755 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) [2021-11-25 18:57:06,874 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 [] [2021-11-25 18:57:14,898 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:57:16,795 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:57:21,416 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:57:24,009 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:57:26,122 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:57:28,167 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:57:30,422 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:57:34,329 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:57:36,579 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:57:38,890 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:57:41,064 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:57:41,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:57:41,689 INFO L93 Difference]: Finished difference Result 44212 states and 66369 transitions. [2021-11-25 18:57:41,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-25 18:57:41,690 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 307 [2021-11-25 18:57:41,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:57:42,017 INFO L225 Difference]: With dead ends: 44212 [2021-11-25 18:57:42,018 INFO L226 Difference]: Without dead ends: 44173 [2021-11-25 18:57:42,047 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 [2021-11-25 18:57:42,051 INFO L933 BasicCegarLoop]: 11274 mSDtfsCounter, 9329 mSDsluCounter, 34294 mSDsCounter, 0 mSdLazyCounter, 3500 mSolverCounterSat, 2 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 42.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9332 SdHoareTripleChecker+Valid, 42949 SdHoareTripleChecker+Invalid, 3513 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 3500 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 45.0s IncrementalHoareTripleChecker+Time [2021-11-25 18:57:42,052 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9332 Valid, 42949 Invalid, 3513 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 3500 Invalid, 11 Unknown, 0 Unchecked, 45.0s Time] [2021-11-25 18:57:42,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44173 states. [2021-11-25 18:57:45,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44173 to 44157. [2021-11-25 18:57:45,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44157 states, 28115 states have (on average 1.3355504179263737) internal successors, (37549), 28745 states have internal predecessors, (37549), 14373 states have call successors, (14373), 1671 states have call predecessors, (14373), 1668 states have return successors, (14377), 14301 states have call predecessors, (14377), 14361 states have call successors, (14377) [2021-11-25 18:57:45,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44157 states to 44157 states and 66299 transitions. [2021-11-25 18:57:45,608 INFO L78 Accepts]: Start accepts. Automaton has 44157 states and 66299 transitions. Word has length 307 [2021-11-25 18:57:45,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:57:45,609 INFO L470 AbstractCegarLoop]: Abstraction has 44157 states and 66299 transitions. [2021-11-25 18:57:45,609 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) [2021-11-25 18:57:45,609 INFO L276 IsEmpty]: Start isEmpty. Operand 44157 states and 66299 transitions. [2021-11-25 18:57:45,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 454 [2021-11-25 18:57:45,731 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:57:45,732 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] [2021-11-25 18:57:45,732 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-25 18:57:45,732 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] === [2021-11-25 18:57:45,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:57:45,735 INFO L85 PathProgramCache]: Analyzing trace with hash -1757392976, now seen corresponding path program 1 times [2021-11-25 18:57:45,735 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:57:45,736 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52314110] [2021-11-25 18:57:45,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:57:45,736 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:57:46,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:57:47,033 INFO L134 CoverageAnalysis]: Checked inductivity of 2897 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 2885 trivial. 0 not checked. [2021-11-25 18:57:47,034 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:57:47,034 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52314110] [2021-11-25 18:57:47,034 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [52314110] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:57:47,034 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:57:47,035 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 18:57:47,035 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569851982] [2021-11-25 18:57:47,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:57:47,037 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:57:47,037 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:57:47,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:57:47,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:57:47,038 INFO L87 Difference]: Start difference. First operand 44157 states and 66299 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) [2021-11-25 18:57:56,645 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 [] [2021-11-25 18:58:00,616 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:58:02,839 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:58:05,173 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:58:08,341 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:58:10,371 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:58:12,544 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:58:15,551 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 [] [2021-11-25 18:58:16,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:58:16,731 INFO L93 Difference]: Finished difference Result 103624 states and 155608 transitions. [2021-11-25 18:58:16,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:58:16,738 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 [2021-11-25 18:58:16,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:58:17,169 INFO L225 Difference]: With dead ends: 103624 [2021-11-25 18:58:17,170 INFO L226 Difference]: Without dead ends: 59514 [2021-11-25 18:58:17,538 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 [2021-11-25 18:58:17,539 INFO L933 BasicCegarLoop]: 11271 mSDtfsCounter, 8514 mSDsluCounter, 10013 mSDsCounter, 0 mSdLazyCounter, 1840 mSolverCounterSat, 19 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8517 SdHoareTripleChecker+Valid, 20432 SdHoareTripleChecker+Invalid, 1867 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 1840 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.6s IncrementalHoareTripleChecker+Time [2021-11-25 18:58:17,539 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8517 Valid, 20432 Invalid, 1867 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 1840 Invalid, 8 Unknown, 0 Unchecked, 27.6s Time] [2021-11-25 18:58:17,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59514 states. [2021-11-25 18:58:21,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59514 to 59479. [2021-11-25 18:58:21,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59479 states, 37977 states have (on average 1.3328330305184717) internal successors, (50617), 38806 states have internal predecessors, (50617), 19308 states have call successors, (19308), 2199 states have call predecessors, (19308), 2193 states have return successors, (19321), 19196 states have call predecessors, (19321), 19296 states have call successors, (19321) [2021-11-25 18:58:22,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59479 states to 59479 states and 89246 transitions. [2021-11-25 18:58:22,059 INFO L78 Accepts]: Start accepts. Automaton has 59479 states and 89246 transitions. Word has length 453 [2021-11-25 18:58:22,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:58:22,061 INFO L470 AbstractCegarLoop]: Abstraction has 59479 states and 89246 transitions. [2021-11-25 18:58:22,061 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) [2021-11-25 18:58:22,062 INFO L276 IsEmpty]: Start isEmpty. Operand 59479 states and 89246 transitions. [2021-11-25 18:58:22,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 459 [2021-11-25 18:58:22,206 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:58:22,207 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] [2021-11-25 18:58:22,207 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-25 18:58:22,207 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] === [2021-11-25 18:58:22,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:58:22,208 INFO L85 PathProgramCache]: Analyzing trace with hash -1843529167, now seen corresponding path program 1 times [2021-11-25 18:58:22,209 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:58:22,209 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903452728] [2021-11-25 18:58:22,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:58:22,209 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:58:22,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:58:23,337 INFO L134 CoverageAnalysis]: Checked inductivity of 2921 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 2906 trivial. 0 not checked. [2021-11-25 18:58:23,338 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:58:23,338 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903452728] [2021-11-25 18:58:23,338 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [903452728] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:58:23,338 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:58:23,339 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 18:58:23,339 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437408106] [2021-11-25 18:58:23,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:58:23,340 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:58:23,340 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:58:23,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:58:23,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:58:23,341 INFO L87 Difference]: Start difference. First operand 59479 states and 89246 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) [2021-11-25 18:58:29,565 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:58:36,304 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:58:39,825 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:58:44,265 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:58:47,285 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:58:50,663 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:58:52,692 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:58:54,859 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:58:57,884 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:59:00,121 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 [] [2021-11-25 18:59:01,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:59:01,560 INFO L93 Difference]: Finished difference Result 130227 states and 195441 transitions. [2021-11-25 18:59:01,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:59:01,561 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 [2021-11-25 18:59:01,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:59:02,143 INFO L225 Difference]: With dead ends: 130227 [2021-11-25 18:59:02,143 INFO L226 Difference]: Without dead ends: 82038 [2021-11-25 18:59:02,332 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 [2021-11-25 18:59:02,333 INFO L933 BasicCegarLoop]: 16931 mSDtfsCounter, 8437 mSDsluCounter, 10011 mSDsCounter, 0 mSdLazyCounter, 2493 mSolverCounterSat, 15 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8440 SdHoareTripleChecker+Valid, 26090 SdHoareTripleChecker+Invalid, 2517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 2493 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.6s IncrementalHoareTripleChecker+Time [2021-11-25 18:59:02,333 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8440 Valid, 26090 Invalid, 2517 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [15 Valid, 2493 Invalid, 9 Unknown, 0 Unchecked, 35.6s Time] [2021-11-25 18:59:02,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82038 states. [2021-11-25 18:59:07,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82038 to 82000. [2021-11-25 18:59:07,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82000 states, 52376 states have (on average 1.332461432717275) internal successors, (69789), 53522 states have internal predecessors, (69789), 26610 states have call successors, (26610), 3022 states have call predecessors, (26610), 3013 states have return successors, (26635), 26446 states have call predecessors, (26635), 26598 states have call successors, (26635) [2021-11-25 18:59:08,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82000 states to 82000 states and 123034 transitions. [2021-11-25 18:59:08,509 INFO L78 Accepts]: Start accepts. Automaton has 82000 states and 123034 transitions. Word has length 458 [2021-11-25 18:59:08,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:59:08,510 INFO L470 AbstractCegarLoop]: Abstraction has 82000 states and 123034 transitions. [2021-11-25 18:59:08,511 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) [2021-11-25 18:59:08,511 INFO L276 IsEmpty]: Start isEmpty. Operand 82000 states and 123034 transitions. [2021-11-25 18:59:08,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 521 [2021-11-25 18:59:08,762 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:59:08,763 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] [2021-11-25 18:59:08,763 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-25 18:59:08,763 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] === [2021-11-25 18:59:08,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:59:08,764 INFO L85 PathProgramCache]: Analyzing trace with hash -864302445, now seen corresponding path program 1 times [2021-11-25 18:59:08,764 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:59:08,764 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281656651] [2021-11-25 18:59:08,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:59:08,765 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:59:09,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:59:10,206 INFO L134 CoverageAnalysis]: Checked inductivity of 3217 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 3201 trivial. 0 not checked. [2021-11-25 18:59:10,206 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:59:10,207 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281656651] [2021-11-25 18:59:10,207 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [281656651] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:59:10,207 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:59:10,207 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:59:10,207 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605616257] [2021-11-25 18:59:10,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:59:10,208 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:59:10,208 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:59:10,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:59:10,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:59:10,209 INFO L87 Difference]: Start difference. First operand 82000 states and 123034 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) [2021-11-25 18:59:15,068 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:59:22,331 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:59:29,874 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:59:32,283 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:59:39,182 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:59:41,215 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:59:43,454 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:59:47,044 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:59:49,311 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:59:51,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:59:51,898 INFO L93 Difference]: Finished difference Result 182686 states and 277011 transitions. [2021-11-25 18:59:51,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:59:51,899 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 [2021-11-25 18:59:51,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:59:52,489 INFO L225 Difference]: With dead ends: 182686 [2021-11-25 18:59:52,489 INFO L226 Difference]: Without dead ends: 111976 [2021-11-25 18:59:53,000 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:59:53,001 INFO L933 BasicCegarLoop]: 11591 mSDtfsCounter, 3506 mSDsluCounter, 22787 mSDsCounter, 0 mSdLazyCounter, 3137 mSolverCounterSat, 950 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3988 SdHoareTripleChecker+Valid, 32390 SdHoareTripleChecker+Invalid, 4095 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 950 IncrementalHoareTripleChecker+Valid, 3137 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.6s IncrementalHoareTripleChecker+Time [2021-11-25 18:59:53,002 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3988 Valid, 32390 Invalid, 4095 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [950 Valid, 3137 Invalid, 8 Unknown, 0 Unchecked, 37.6s Time] [2021-11-25 18:59:53,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111976 states. [2021-11-25 19:00:00,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111976 to 82008. [2021-11-25 19:00:00,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82008 states, 52384 states have (on average 1.332410659743433) internal successors, (69797), 53530 states have internal predecessors, (69797), 26610 states have call successors, (26610), 3022 states have call predecessors, (26610), 3013 states have return successors, (26635), 26446 states have call predecessors, (26635), 26598 states have call successors, (26635) [2021-11-25 19:00:00,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82008 states to 82008 states and 123042 transitions. [2021-11-25 19:00:00,832 INFO L78 Accepts]: Start accepts. Automaton has 82008 states and 123042 transitions. Word has length 520 [2021-11-25 19:00:00,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:00:00,833 INFO L470 AbstractCegarLoop]: Abstraction has 82008 states and 123042 transitions. [2021-11-25 19:00:00,834 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) [2021-11-25 19:00:00,834 INFO L276 IsEmpty]: Start isEmpty. Operand 82008 states and 123042 transitions. [2021-11-25 19:00:01,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 538 [2021-11-25 19:00:01,331 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:00:01,332 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] [2021-11-25 19:00:01,332 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-25 19:00:01,333 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] === [2021-11-25 19:00:01,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:00:01,334 INFO L85 PathProgramCache]: Analyzing trace with hash 665206250, now seen corresponding path program 1 times [2021-11-25 19:00:01,334 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:00:01,334 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484960170] [2021-11-25 19:00:01,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:00:01,335 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:00:01,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:00:02,591 INFO L134 CoverageAnalysis]: Checked inductivity of 3318 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3318 trivial. 0 not checked. [2021-11-25 19:00:02,592 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:00:02,592 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484960170] [2021-11-25 19:00:02,592 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [484960170] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:00:02,592 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:00:02,592 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 19:00:02,592 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000608975] [2021-11-25 19:00:02,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:00:02,593 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 19:00:02,593 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:00:02,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 19:00:02,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-25 19:00:02,595 INFO L87 Difference]: Start difference. First operand 82008 states and 123042 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) [2021-11-25 19:00:08,086 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:00:15,887 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:00:17,343 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:00:19,675 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:00:23,114 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:00:27,637 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:00:29,665 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:00:31,697 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []