./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-broadcom-tg3.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_4188e270-f4b5-4f78-804a-14d290be3cf1/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4188e270-f4b5-4f78-804a-14d290be3cf1/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4188e270-f4b5-4f78-804a-14d290be3cf1/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4188e270-f4b5-4f78-804a-14d290be3cf1/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-broadcom-tg3.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4188e270-f4b5-4f78-804a-14d290be3cf1/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4188e270-f4b5-4f78-804a-14d290be3cf1/bin/uautomizer-DrprNOufMa --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c6518a0e540cf5b0e501bfef1f14c8079cbe578d9beced5375873c789156537b --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 19:09:23,375 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 19:09:23,377 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 19:09:23,407 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 19:09:23,407 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 19:09:23,408 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 19:09:23,410 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 19:09:23,412 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 19:09:23,414 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 19:09:23,415 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 19:09:23,416 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 19:09:23,417 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 19:09:23,418 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 19:09:23,419 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 19:09:23,420 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 19:09:23,422 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 19:09:23,423 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 19:09:23,424 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 19:09:23,426 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 19:09:23,428 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 19:09:23,430 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 19:09:23,432 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 19:09:23,433 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 19:09:23,434 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 19:09:23,437 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 19:09:23,437 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 19:09:23,438 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 19:09:23,439 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 19:09:23,439 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 19:09:23,440 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 19:09:23,441 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 19:09:23,441 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 19:09:23,442 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 19:09:23,443 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 19:09:23,444 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 19:09:23,444 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 19:09:23,445 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 19:09:23,445 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 19:09:23,445 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 19:09:23,446 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 19:09:23,446 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 19:09:23,447 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4188e270-f4b5-4f78-804a-14d290be3cf1/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-06 19:09:23,468 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 19:09:23,468 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 19:09:23,468 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 19:09:23,468 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 19:09:23,469 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 19:09:23,469 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 19:09:23,469 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 19:09:23,470 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 19:09:23,470 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 19:09:23,470 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 19:09:23,470 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 19:09:23,470 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 19:09:23,470 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 19:09:23,470 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 19:09:23,470 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 19:09:23,470 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 19:09:23,471 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 19:09:23,471 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 19:09:23,471 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 19:09:23,471 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 19:09:23,471 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 19:09:23,471 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 19:09:23,471 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 19:09:23,471 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 19:09:23,471 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 19:09:23,472 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 19:09:23,472 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 19:09:23,472 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 19:09:23,472 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 19:09:23,472 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 19:09:23,472 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 19:09:23,472 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4188e270-f4b5-4f78-804a-14d290be3cf1/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4188e270-f4b5-4f78-804a-14d290be3cf1/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c6518a0e540cf5b0e501bfef1f14c8079cbe578d9beced5375873c789156537b [2021-12-06 19:09:23,657 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 19:09:23,672 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 19:09:23,674 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 19:09:23,675 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 19:09:23,675 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 19:09:23,676 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4188e270-f4b5-4f78-804a-14d290be3cf1/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-broadcom-tg3.cil.i [2021-12-06 19:09:23,717 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4188e270-f4b5-4f78-804a-14d290be3cf1/bin/uautomizer-DrprNOufMa/data/64e1f5184/473cbc5bd9b146ed855bdc0eb9ad6335/FLAG46550757f [2021-12-06 19:09:24,607 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 19:09:24,608 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4188e270-f4b5-4f78-804a-14d290be3cf1/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-broadcom-tg3.cil.i [2021-12-06 19:09:24,676 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4188e270-f4b5-4f78-804a-14d290be3cf1/bin/uautomizer-DrprNOufMa/data/64e1f5184/473cbc5bd9b146ed855bdc0eb9ad6335/FLAG46550757f [2021-12-06 19:09:24,745 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4188e270-f4b5-4f78-804a-14d290be3cf1/bin/uautomizer-DrprNOufMa/data/64e1f5184/473cbc5bd9b146ed855bdc0eb9ad6335 [2021-12-06 19:09:24,747 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 19:09:24,748 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 19:09:24,748 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 19:09:24,749 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 19:09:24,752 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 19:09:24,752 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 07:09:24" (1/1) ... [2021-12-06 19:09:24,753 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@110e1200 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:09:24, skipping insertion in model container [2021-12-06 19:09:24,754 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 07:09:24" (1/1) ... [2021-12-06 19:09:24,760 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 19:09:24,987 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 19:09:36,491 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_4188e270-f4b5-4f78-804a-14d290be3cf1/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-broadcom-tg3.cil.i[1081958,1081971] [2021-12-06 19:09:36,493 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_4188e270-f4b5-4f78-804a-14d290be3cf1/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-broadcom-tg3.cil.i[1082127,1082140] [2021-12-06 19:09:36,494 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_4188e270-f4b5-4f78-804a-14d290be3cf1/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-broadcom-tg3.cil.i[1082294,1082307] [2021-12-06 19:09:36,494 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_4188e270-f4b5-4f78-804a-14d290be3cf1/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-broadcom-tg3.cil.i[1082462,1082475] [2021-12-06 19:09:36,542 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 19:09:36,614 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 19:09:38,393 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_4188e270-f4b5-4f78-804a-14d290be3cf1/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-broadcom-tg3.cil.i[1081958,1081971] [2021-12-06 19:09:38,394 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_4188e270-f4b5-4f78-804a-14d290be3cf1/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-broadcom-tg3.cil.i[1082127,1082140] [2021-12-06 19:09:38,394 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_4188e270-f4b5-4f78-804a-14d290be3cf1/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-broadcom-tg3.cil.i[1082294,1082307] [2021-12-06 19:09:38,395 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_4188e270-f4b5-4f78-804a-14d290be3cf1/sv-benchmarks/c/ldv-challenges/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-broadcom-tg3.cil.i[1082462,1082475] [2021-12-06 19:09:38,406 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 19:09:38,767 INFO L208 MainTranslator]: Completed translation [2021-12-06 19:09:38,767 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:09:38 WrapperNode [2021-12-06 19:09:38,767 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 19:09:38,768 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 19:09:38,768 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 19:09:38,768 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 19:09:38,773 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:09:38" (1/1) ... [2021-12-06 19:09:38,923 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:09:38" (1/1) ... [2021-12-06 19:09:39,375 INFO L137 Inliner]: procedures = 1098, calls = 15640, calls flagged for inlining = 568, calls inlined = 532, statements flattened = 36923 [2021-12-06 19:09:39,376 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 19:09:39,376 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 19:09:39,377 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 19:09:39,377 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 19:09:39,385 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:09:38" (1/1) ... [2021-12-06 19:09:39,385 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:09:38" (1/1) ... [2021-12-06 19:09:39,578 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:09:38" (1/1) ... [2021-12-06 19:09:39,579 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:09:38" (1/1) ... [2021-12-06 19:09:39,910 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:09:38" (1/1) ... [2021-12-06 19:09:39,972 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:09:38" (1/1) ... [2021-12-06 19:09:40,190 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:09:38" (1/1) ... [2021-12-06 19:09:40,444 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 19:09:40,445 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 19:09:40,445 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 19:09:40,445 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 19:09:40,446 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:09:38" (1/1) ... [2021-12-06 19:09:40,451 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 19:09:40,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4188e270-f4b5-4f78-804a-14d290be3cf1/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 19:09:40,470 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4188e270-f4b5-4f78-804a-14d290be3cf1/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 19:09:40,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4188e270-f4b5-4f78-804a-14d290be3cf1/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 19:09:40,498 INFO L130 BoogieDeclarations]: Found specification of procedure __tg3_writephy [2021-12-06 19:09:40,498 INFO L138 BoogieDeclarations]: Found implementation of procedure __tg3_writephy [2021-12-06 19:09:40,498 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_pwrsrc_die_with_vmain [2021-12-06 19:09:40,498 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_pwrsrc_die_with_vmain [2021-12-06 19:09:40,498 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_warn_mgmt_link_flap [2021-12-06 19:09:40,499 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_warn_mgmt_link_flap [2021-12-06 19:09:40,499 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2021-12-06 19:09:40,499 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2021-12-06 19:09:40,499 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_restart_hw [2021-12-06 19:09:40,499 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_restart_hw [2021-12-06 19:09:40,499 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_get_57780_nvram_info [2021-12-06 19:09:40,499 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_get_57780_nvram_info [2021-12-06 19:09:40,499 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_phy_toggle_apd [2021-12-06 19:09:40,499 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_phy_toggle_apd [2021-12-06 19:09:40,499 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-12-06 19:09:40,499 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-12-06 19:09:40,499 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_ints_fini [2021-12-06 19:09:40,499 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_ints_fini [2021-12-06 19:09:40,500 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_read_mem [2021-12-06 19:09:40,500 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_read_mem [2021-12-06 19:09:40,500 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_tx_timeout [2021-12-06 19:09:40,500 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_tx_timeout [2021-12-06 19:09:40,500 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_alloc_rx_data [2021-12-06 19:09:40,500 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_alloc_rx_data [2021-12-06 19:09:40,500 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_cpu [2021-12-06 19:09:40,500 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_cpu [2021-12-06 19:09:40,500 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_chip_reset [2021-12-06 19:09:40,500 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_chip_reset [2021-12-06 19:09:40,500 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-06 19:09:40,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-06 19:09:40,501 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_disable_nvram_access [2021-12-06 19:09:40,501 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_disable_nvram_access [2021-12-06 19:09:40,501 INFO L130 BoogieDeclarations]: Found specification of procedure pdev_is_ssb_gige_core [2021-12-06 19:09:40,501 INFO L138 BoogieDeclarations]: Found implementation of procedure pdev_is_ssb_gige_core [2021-12-06 19:09:40,501 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_mem_rx_release [2021-12-06 19:09:40,501 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_mem_rx_release [2021-12-06 19:09:40,501 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-06 19:09:40,501 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-06 19:09:40,501 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-06 19:09:40,501 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-06 19:09:40,501 INFO L130 BoogieDeclarations]: Found specification of procedure phy_start_aneg [2021-12-06 19:09:40,501 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_start_aneg [2021-12-06 19:09:40,502 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_set_function_status [2021-12-06 19:09:40,502 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_set_function_status [2021-12-06 19:09:40,502 INFO L130 BoogieDeclarations]: Found specification of procedure dma_zalloc_coherent [2021-12-06 19:09:40,502 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_zalloc_coherent [2021-12-06 19:09:40,502 INFO L130 BoogieDeclarations]: Found specification of procedure PageTail [2021-12-06 19:09:40,502 INFO L138 BoogieDeclarations]: Found implementation of procedure PageTail [2021-12-06 19:09:40,502 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_phy_auxctl_write [2021-12-06 19:09:40,502 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_phy_auxctl_write [2021-12-06 19:09:40,502 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-12-06 19:09:40,502 INFO L130 BoogieDeclarations]: Found specification of procedure netif_set_real_num_rx_queues [2021-12-06 19:09:40,502 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_set_real_num_rx_queues [2021-12-06 19:09:40,502 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_ape_otp_read [2021-12-06 19:09:40,503 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_ape_otp_read [2021-12-06 19:09:40,503 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_pause_cpu [2021-12-06 19:09:40,503 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_pause_cpu [2021-12-06 19:09:40,503 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-06 19:09:40,503 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-06 19:09:40,503 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-12-06 19:09:40,503 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-12-06 19:09:40,503 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_rx_prodring_fini [2021-12-06 19:09:40,503 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_rx_prodring_fini [2021-12-06 19:09:40,504 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_bmcr_reset [2021-12-06 19:09:40,504 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_bmcr_reset [2021-12-06 19:09:40,504 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_device [2021-12-06 19:09:40,504 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_device [2021-12-06 19:09:40,504 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-12-06 19:09:40,504 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-12-06 19:09:40,504 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-06 19:09:40,504 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-06 19:09:40,504 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_nvram_get_pagesize [2021-12-06 19:09:40,504 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_nvram_get_pagesize [2021-12-06 19:09:40,504 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2021-12-06 19:09:40,505 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2021-12-06 19:09:40,505 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_clear_mac_status [2021-12-06 19:09:40,505 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_clear_mac_status [2021-12-06 19:09:40,505 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_readphy [2021-12-06 19:09:40,505 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_readphy [2021-12-06 19:09:40,505 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_phy_reset [2021-12-06 19:09:40,505 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_phy_reset [2021-12-06 19:09:40,505 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_write_mem [2021-12-06 19:09:40,505 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_write_mem [2021-12-06 19:09:40,505 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-12-06 19:09:40,505 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-12-06 19:09:40,505 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-06 19:09:40,505 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-06 19:09:40,506 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_nvram_read [2021-12-06 19:09:40,506 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_nvram_read [2021-12-06 19:09:40,506 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_mac_loopback [2021-12-06 19:09:40,506 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_mac_loopback [2021-12-06 19:09:40,506 INFO L130 BoogieDeclarations]: Found specification of procedure _tg3_flag_clear [2021-12-06 19:09:40,506 INFO L138 BoogieDeclarations]: Found implementation of procedure _tg3_flag_clear [2021-12-06 19:09:40,506 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_chk_missed_msi [2021-12-06 19:09:40,506 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_chk_missed_msi [2021-12-06 19:09:40,506 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-12-06 19:09:40,506 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-12-06 19:09:40,506 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_add [2021-12-06 19:09:40,506 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_add [2021-12-06 19:09:40,506 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_link_report [2021-12-06 19:09:40,507 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_link_report [2021-12-06 19:09:40,507 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2021-12-06 19:09:40,507 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2021-12-06 19:09:40,507 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_writephy [2021-12-06 19:09:40,507 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_writephy [2021-12-06 19:09:40,507 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-06 19:09:40,507 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-06 19:09:40,507 INFO L130 BoogieDeclarations]: Found specification of procedure _tg3_flag [2021-12-06 19:09:40,507 INFO L138 BoogieDeclarations]: Found implementation of procedure _tg3_flag [2021-12-06 19:09:40,507 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-06 19:09:40,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-06 19:09:40,507 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-06 19:09:40,508 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_update_features [2021-12-06 19:09:40,508 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_update_features [2021-12-06 19:09:40,508 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_set_rx_mode [2021-12-06 19:09:40,508 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_set_rx_mode [2021-12-06 19:09:40,508 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-12-06 19:09:40,508 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-12-06 19:09:40,508 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_reset_task_schedule [2021-12-06 19:09:40,508 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_reset_task_schedule [2021-12-06 19:09:40,508 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-06 19:09:40,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-06 19:09:40,508 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_tg3 [2021-12-06 19:09:40,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_tg3 [2021-12-06 19:09:40,508 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2021-12-06 19:09:40,509 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2021-12-06 19:09:40,509 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-12-06 19:09:40,509 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-12-06 19:09:40,509 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_phy_start [2021-12-06 19:09:40,509 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_phy_start [2021-12-06 19:09:40,509 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-06 19:09:40,509 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-06 19:09:40,509 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-12-06 19:09:40,509 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-12-06 19:09:40,509 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_lock [2021-12-06 19:09:40,509 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_lock [2021-12-06 19:09:40,509 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_abort_hw [2021-12-06 19:09:40,509 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_abort_hw [2021-12-06 19:09:40,510 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_free_rings [2021-12-06 19:09:40,510 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_free_rings [2021-12-06 19:09:40,510 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_nway_reset [2021-12-06 19:09:40,510 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_nway_reset [2021-12-06 19:09:40,510 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_mdio_fini [2021-12-06 19:09:40,510 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_mdio_fini [2021-12-06 19:09:40,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-06 19:09:40,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-12-06 19:09:40,510 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-06 19:09:40,510 INFO L130 BoogieDeclarations]: Found specification of procedure strncat [2021-12-06 19:09:40,510 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_ptp_resume [2021-12-06 19:09:40,510 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_ptp_resume [2021-12-06 19:09:40,510 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 19:09:40,510 INFO L130 BoogieDeclarations]: Found specification of procedure pci_ioremap_bar [2021-12-06 19:09:40,511 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_ioremap_bar [2021-12-06 19:09:40,511 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_mem_tx_release [2021-12-06 19:09:40,511 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_mem_tx_release [2021-12-06 19:09:40,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-06 19:09:40,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-06 19:09:40,511 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-06 19:09:40,511 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-06 19:09:40,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-06 19:09:40,511 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2021-12-06 19:09:40,511 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2021-12-06 19:09:40,511 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-06 19:09:40,511 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_frob_aux_power [2021-12-06 19:09:40,511 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_frob_aux_power [2021-12-06 19:09:40,512 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_mdio_config_5785 [2021-12-06 19:09:40,512 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_mdio_config_5785 [2021-12-06 19:09:40,512 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2021-12-06 19:09:40,512 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2021-12-06 19:09:40,512 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-12-06 19:09:40,512 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-12-06 19:09:40,512 INFO L130 BoogieDeclarations]: Found specification of procedure pci_device_is_present [2021-12-06 19:09:40,512 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_device_is_present [2021-12-06 19:09:40,512 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_nvram_exec_cmd [2021-12-06 19:09:40,512 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_nvram_exec_cmd [2021-12-06 19:09:40,512 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_nvram_write_block_buffered [2021-12-06 19:09:40,512 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_nvram_write_block_buffered [2021-12-06 19:09:40,512 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_issue_otp_command [2021-12-06 19:09:40,512 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_issue_otp_command [2021-12-06 19:09:40,513 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_frag_free [2021-12-06 19:09:40,513 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_frag_free [2021-12-06 19:09:40,513 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_ape_lock [2021-12-06 19:09:40,513 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_ape_lock [2021-12-06 19:09:40,513 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-12-06 19:09:40,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-12-06 19:09:40,513 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-06 19:09:40,513 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-06 19:09:40,513 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_read_indirect_reg32 [2021-12-06 19:09:40,513 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_read_indirect_reg32 [2021-12-06 19:09:40,513 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-06 19:09:40,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-06 19:09:40,513 INFO L130 BoogieDeclarations]: Found specification of procedure device_can_wakeup [2021-12-06 19:09:40,514 INFO L138 BoogieDeclarations]: Found implementation of procedure device_can_wakeup [2021-12-06 19:09:40,514 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_phy_set_wirespeed [2021-12-06 19:09:40,514 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_phy_set_wirespeed [2021-12-06 19:09:40,514 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_ape_driver_state_change [2021-12-06 19:09:40,514 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_ape_driver_state_change [2021-12-06 19:09:40,514 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_timer_start [2021-12-06 19:09:40,514 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_timer_start [2021-12-06 19:09:40,514 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_shutdown [2021-12-06 19:09:40,514 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_shutdown [2021-12-06 19:09:40,514 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-06 19:09:40,514 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-06 19:09:40,514 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_ape_read32 [2021-12-06 19:09:40,514 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_ape_read32 [2021-12-06 19:09:40,514 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_rx_data_free [2021-12-06 19:09:40,515 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_rx_data_free [2021-12-06 19:09:40,515 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 19:09:40,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 19:09:40,515 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_rx_prodring_free [2021-12-06 19:09:40,515 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_rx_prodring_free [2021-12-06 19:09:40,515 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-06 19:09:40,515 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-06 19:09:40,515 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_phy_autoneg_cfg [2021-12-06 19:09:40,515 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_phy_autoneg_cfg [2021-12-06 19:09:40,515 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-12-06 19:09:40,515 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-12-06 19:09:40,515 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_free [2021-12-06 19:09:40,515 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_free [2021-12-06 19:09:40,516 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_load_firmware_cpu [2021-12-06 19:09:40,516 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_load_firmware_cpu [2021-12-06 19:09:40,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-06 19:09:40,516 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_adjust_link [2021-12-06 19:09:40,516 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_adjust_link [2021-12-06 19:09:40,516 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_halt [2021-12-06 19:09:40,516 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_halt [2021-12-06 19:09:40,516 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-06 19:09:40,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-12-06 19:09:40,516 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2021-12-06 19:09:40,516 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2021-12-06 19:09:40,516 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_unregister [2021-12-06 19:09:40,516 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_unregister [2021-12-06 19:09:40,516 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_pwrsrc_switch_to_vaux [2021-12-06 19:09:40,517 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_pwrsrc_switch_to_vaux [2021-12-06 19:09:40,517 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-12-06 19:09:40,517 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-12-06 19:09:40,517 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_wait_for_event_ack [2021-12-06 19:09:40,517 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_wait_for_event_ack [2021-12-06 19:09:40,517 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-12-06 19:09:40,517 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_test_interrupt [2021-12-06 19:09:40,517 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_test_interrupt [2021-12-06 19:09:40,517 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_phydsp_write [2021-12-06 19:09:40,517 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_phydsp_write [2021-12-06 19:09:40,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-12-06 19:09:40,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-12-06 19:09:40,517 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_mdio_start [2021-12-06 19:09:40,517 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_mdio_start [2021-12-06 19:09:40,518 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_rxcpu_resume [2021-12-06 19:09:40,518 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_rxcpu_resume [2021-12-06 19:09:40,518 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_request_irq [2021-12-06 19:09:40,518 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_request_irq [2021-12-06 19:09:40,518 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-12-06 19:09:40,518 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-12-06 19:09:40,518 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-12-06 19:09:40,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-12-06 19:09:40,518 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-06 19:09:40,518 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-06 19:09:40,518 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_napi_fini [2021-12-06 19:09:40,518 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_napi_fini [2021-12-06 19:09:40,518 INFO L130 BoogieDeclarations]: Found specification of procedure pcie_capability_clear_and_set_word [2021-12-06 19:09:40,519 INFO L138 BoogieDeclarations]: Found implementation of procedure pcie_capability_clear_and_set_word [2021-12-06 19:09:40,519 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-12-06 19:09:40,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-12-06 19:09:40,519 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-12-06 19:09:40,519 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-12-06 19:09:40,519 INFO L130 BoogieDeclarations]: Found specification of procedure __tg3_readphy [2021-12-06 19:09:40,519 INFO L138 BoogieDeclarations]: Found implementation of procedure __tg3_readphy [2021-12-06 19:09:40,519 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_get_estats [2021-12-06 19:09:40,519 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_get_estats [2021-12-06 19:09:40,519 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_free_consistent [2021-12-06 19:09:40,519 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_free_consistent [2021-12-06 19:09:40,519 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-06 19:09:40,519 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_napi_enable [2021-12-06 19:09:40,519 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_napi_enable [2021-12-06 19:09:40,520 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_tx_skb_unmap [2021-12-06 19:09:40,520 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_tx_skb_unmap [2021-12-06 19:09:40,520 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_tx_avail [2021-12-06 19:09:40,520 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_tx_avail [2021-12-06 19:09:40,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-06 19:09:40,520 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_start [2021-12-06 19:09:40,520 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_start [2021-12-06 19:09:40,520 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-12-06 19:09:40,520 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-12-06 19:09:40,520 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_write_sig_post_reset [2021-12-06 19:09:40,520 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_write_sig_post_reset [2021-12-06 19:09:40,520 INFO L130 BoogieDeclarations]: Found specification of procedure strcat [2021-12-06 19:09:40,520 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-12-06 19:09:40,520 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-12-06 19:09:40,521 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-12-06 19:09:40,521 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-12-06 19:09:40,521 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-06 19:09:40,521 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-06 19:09:40,521 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_power_up [2021-12-06 19:09:40,521 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_power_up [2021-12-06 19:09:40,521 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_vpd_readblock [2021-12-06 19:09:40,521 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_vpd_readblock [2021-12-06 19:09:40,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-12-06 19:09:40,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-12-06 19:09:40,521 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_write_sig_pre_reset [2021-12-06 19:09:40,521 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_write_sig_pre_reset [2021-12-06 19:09:40,521 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_init_hw [2021-12-06 19:09:40,521 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_init_hw [2021-12-06 19:09:40,522 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2021-12-06 19:09:40,522 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2021-12-06 19:09:40,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_92 [2021-12-06 19:09:40,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_92 [2021-12-06 19:09:40,522 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-12-06 19:09:40,522 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-12-06 19:09:40,522 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_adv_to_mii_adv_t [2021-12-06 19:09:40,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_adv_to_mii_adv_t [2021-12-06 19:09:40,522 INFO L130 BoogieDeclarations]: Found specification of procedure pci_channel_offline [2021-12-06 19:09:40,522 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_channel_offline [2021-12-06 19:09:40,522 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_setup_flow_control [2021-12-06 19:09:40,522 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_setup_flow_control [2021-12-06 19:09:40,522 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_set_bdinfo [2021-12-06 19:09:40,522 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_set_bdinfo [2021-12-06 19:09:40,522 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_irq [2021-12-06 19:09:40,523 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_irq [2021-12-06 19:09:40,523 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-06 19:09:40,523 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-06 19:09:40,523 INFO L130 BoogieDeclarations]: Found specification of procedure __tg3_set_mac_addr [2021-12-06 19:09:40,523 INFO L138 BoogieDeclarations]: Found implementation of procedure __tg3_set_mac_addr [2021-12-06 19:09:40,523 INFO L130 BoogieDeclarations]: Found specification of procedure pci_vpd_find_tag [2021-12-06 19:09:40,523 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_vpd_find_tag [2021-12-06 19:09:40,523 INFO L130 BoogieDeclarations]: Found specification of procedure _tg3_flag_set [2021-12-06 19:09:40,523 INFO L138 BoogieDeclarations]: Found implementation of procedure _tg3_flag_set [2021-12-06 19:09:40,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-06 19:09:40,523 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_refclk_write [2021-12-06 19:09:40,523 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_refclk_write [2021-12-06 19:09:40,523 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_eee_pull_config [2021-12-06 19:09:40,524 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_eee_pull_config [2021-12-06 19:09:40,524 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_pause_cpu_and_set_pc [2021-12-06 19:09:40,524 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_pause_cpu_and_set_pc [2021-12-06 19:09:40,524 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_resume_cpu [2021-12-06 19:09:40,524 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_resume_cpu [2021-12-06 19:09:40,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-06 19:09:40,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-06 19:09:40,524 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_power_down_prepare [2021-12-06 19:09:40,524 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_power_down_prepare [2021-12-06 19:09:40,524 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_nvram_lock [2021-12-06 19:09:40,524 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_nvram_lock [2021-12-06 19:09:40,524 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dev_put [2021-12-06 19:09:40,524 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dev_put [2021-12-06 19:09:40,524 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_enable_ints [2021-12-06 19:09:40,524 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_enable_ints [2021-12-06 19:09:40,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_99 [2021-12-06 19:09:40,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_99 [2021-12-06 19:09:40,525 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-12-06 19:09:40,525 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-12-06 19:09:40,525 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_do_test_dma [2021-12-06 19:09:40,525 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_do_test_dma [2021-12-06 19:09:40,525 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_poll_fw [2021-12-06 19:09:40,525 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_poll_fw [2021-12-06 19:09:40,525 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_phy_toggle_auxctl_smdsp [2021-12-06 19:09:40,525 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_phy_toggle_auxctl_smdsp [2021-12-06 19:09:40,525 INFO L130 BoogieDeclarations]: Found specification of procedure pcie_capability_clear_word [2021-12-06 19:09:40,525 INFO L138 BoogieDeclarations]: Found implementation of procedure pcie_capability_clear_word [2021-12-06 19:09:40,525 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-12-06 19:09:40,525 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-12-06 19:09:40,525 INFO L130 BoogieDeclarations]: Found specification of procedure phy_disconnect [2021-12-06 19:09:40,526 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_disconnect [2021-12-06 19:09:40,526 INFO L130 BoogieDeclarations]: Found specification of procedure device_may_wakeup [2021-12-06 19:09:40,526 INFO L138 BoogieDeclarations]: Found implementation of procedure device_may_wakeup [2021-12-06 19:09:40,526 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_nvram_phys_addr [2021-12-06 19:09:40,526 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_nvram_phys_addr [2021-12-06 19:09:40,526 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-06 19:09:40,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-12-06 19:09:40,526 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_5700_link_polarity [2021-12-06 19:09:40,526 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_5700_link_polarity [2021-12-06 19:09:40,526 INFO L130 BoogieDeclarations]: Found specification of procedure netif_get_num_default_rss_queues [2021-12-06 19:09:40,526 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_get_num_default_rss_queues [2021-12-06 19:09:40,526 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_adv_to_mii_ctrl1000_t [2021-12-06 19:09:40,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_adv_to_mii_ctrl1000_t [2021-12-06 19:09:40,527 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_enable_register_access [2021-12-06 19:09:40,527 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_enable_register_access [2021-12-06 19:09:40,527 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-12-06 19:09:40,527 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-12-06 19:09:40,527 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2021-12-06 19:09:40,527 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2021-12-06 19:09:40,527 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2021-12-06 19:09:40,527 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2021-12-06 19:09:40,527 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tstamp_tx [2021-12-06 19:09:40,527 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tstamp_tx [2021-12-06 19:09:40,527 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_stop [2021-12-06 19:09:40,527 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_stop [2021-12-06 19:09:40,528 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_stop_block [2021-12-06 19:09:40,528 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_stop_block [2021-12-06 19:09:40,528 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_ape_scratchpad_read [2021-12-06 19:09:40,528 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_ape_scratchpad_read [2021-12-06 19:09:40,528 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2021-12-06 19:09:40,528 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2021-12-06 19:09:40,528 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-12-06 19:09:40,528 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-12-06 19:09:40,528 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-06 19:09:40,528 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-06 19:09:40,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_81 [2021-12-06 19:09:40,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_81 [2021-12-06 19:09:40,528 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2021-12-06 19:09:40,528 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2021-12-06 19:09:40,529 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_init_5401phy_dsp [2021-12-06 19:09:40,529 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_init_5401phy_dsp [2021-12-06 19:09:40,529 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_open [2021-12-06 19:09:40,529 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_open [2021-12-06 19:09:40,529 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_setup_eee [2021-12-06 19:09:40,529 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_setup_eee [2021-12-06 19:09:40,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-06 19:09:40,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-06 19:09:40,529 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2021-12-06 19:09:40,529 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2021-12-06 19:09:40,529 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2021-12-06 19:09:40,529 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2021-12-06 19:09:40,529 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_remove_one [2021-12-06 19:09:40,529 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_remove_one [2021-12-06 19:09:40,529 INFO L130 BoogieDeclarations]: Found specification of procedure mmd_eee_adv_to_ethtool_adv_t [2021-12-06 19:09:40,530 INFO L138 BoogieDeclarations]: Found implementation of procedure mmd_eee_adv_to_ethtool_adv_t [2021-12-06 19:09:40,530 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-12-06 19:09:40,530 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-12-06 19:09:40,530 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_indirect_lock_of_tg3 [2021-12-06 19:09:40,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_indirect_lock_of_tg3 [2021-12-06 19:09:40,530 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_tso_bug [2021-12-06 19:09:40,530 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_tso_bug [2021-12-06 19:09:40,530 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-12-06 19:09:40,530 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-12-06 19:09:40,530 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-12-06 19:09:40,530 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-12-06 19:09:40,530 INFO L130 BoogieDeclarations]: Found specification of procedure pci_vpd_lrdt_size [2021-12-06 19:09:40,530 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_vpd_lrdt_size [2021-12-06 19:09:40,530 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_set_mtu [2021-12-06 19:09:40,530 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_set_mtu [2021-12-06 19:09:40,530 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_unlock [2021-12-06 19:09:40,531 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_unlock [2021-12-06 19:09:40,531 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_reset_hw [2021-12-06 19:09:40,531 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_reset_hw [2021-12-06 19:09:40,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-06 19:09:40,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-06 19:09:40,531 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_dump_legacy_regs [2021-12-06 19:09:40,531 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_dump_legacy_regs [2021-12-06 19:09:40,531 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-12-06 19:09:40,531 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-12-06 19:09:40,531 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_start_xmit [2021-12-06 19:09:40,531 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_start_xmit [2021-12-06 19:09:40,531 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-06 19:09:40,531 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-06 19:09:40,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-06 19:09:40,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-06 19:09:40,532 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_dump_state [2021-12-06 19:09:40,532 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_dump_state [2021-12-06 19:09:40,532 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_advert_flowctrl_1000X [2021-12-06 19:09:40,532 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_advert_flowctrl_1000X [2021-12-06 19:09:40,532 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-12-06 19:09:40,532 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-12-06 19:09:40,532 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-06 19:09:40,532 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_queue_stopped [2021-12-06 19:09:40,532 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_queue_stopped [2021-12-06 19:09:40,532 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-06 19:09:40,532 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-06 19:09:40,532 INFO L130 BoogieDeclarations]: Found specification of procedure pci_is_pcie [2021-12-06 19:09:40,532 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_is_pcie [2021-12-06 19:09:40,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-06 19:09:40,533 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-12-06 19:09:40,533 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-12-06 19:09:40,533 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_get_eeprom_size [2021-12-06 19:09:40,533 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_get_eeprom_size [2021-12-06 19:09:40,533 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-12-06 19:09:40,533 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-12-06 19:09:40,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-06 19:09:40,533 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_get_eeprom_len [2021-12-06 19:09:40,533 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_get_eeprom_len [2021-12-06 19:09:40,533 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_netif_start [2021-12-06 19:09:40,533 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_netif_start [2021-12-06 19:09:40,533 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_phy_toggle_automdix [2021-12-06 19:09:40,533 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_phy_toggle_automdix [2021-12-06 19:09:40,533 INFO L130 BoogieDeclarations]: Found specification of procedure __tg3_set_coalesce [2021-12-06 19:09:40,533 INFO L138 BoogieDeclarations]: Found implementation of procedure __tg3_set_coalesce [2021-12-06 19:09:40,534 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_io_resume [2021-12-06 19:09:40,534 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_io_resume [2021-12-06 19:09:40,534 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-06 19:09:40,534 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-06 19:09:40,534 INFO L130 BoogieDeclarations]: Found specification of procedure skb_get_queue_mapping [2021-12-06 19:09:40,534 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_get_queue_mapping [2021-12-06 19:09:40,534 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_close [2021-12-06 19:09:40,534 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_close [2021-12-06 19:09:40,534 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-06 19:09:40,534 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-06 19:09:40,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-12-06 19:09:40,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-12-06 19:09:40,534 INFO L130 BoogieDeclarations]: Found specification of procedure mii_advertise_flowctrl [2021-12-06 19:09:40,534 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_advertise_flowctrl [2021-12-06 19:09:40,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-06 19:09:40,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-06 19:09:40,535 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_93 [2021-12-06 19:09:40,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_93 [2021-12-06 19:09:40,535 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_resume [2021-12-06 19:09:40,535 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_resume [2021-12-06 19:09:40,535 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_tx_set_bd [2021-12-06 19:09:40,535 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_tx_set_bd [2021-12-06 19:09:40,535 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_pwrsrc_switch_to_vmain [2021-12-06 19:09:40,535 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_pwrsrc_switch_to_vmain [2021-12-06 19:09:40,535 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_nvram_logical_addr [2021-12-06 19:09:40,535 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_nvram_logical_addr [2021-12-06 19:09:40,535 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64_rem [2021-12-06 19:09:40,535 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64_rem [2021-12-06 19:09:40,535 INFO L130 BoogieDeclarations]: Found specification of procedure __udelay [2021-12-06 19:09:40,535 INFO L138 BoogieDeclarations]: Found implementation of procedure __udelay [2021-12-06 19:09:40,535 INFO L130 BoogieDeclarations]: Found specification of procedure __tg3_set_rx_mode [2021-12-06 19:09:40,536 INFO L138 BoogieDeclarations]: Found implementation of procedure __tg3_set_rx_mode [2021-12-06 19:09:40,536 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_write_sig_legacy [2021-12-06 19:09:40,536 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_write_sig_legacy [2021-12-06 19:09:40,536 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-12-06 19:09:40,536 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-12-06 19:09:40,536 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-06 19:09:40,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-06 19:09:40,536 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-06 19:09:40,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-06 19:09:40,536 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_generate_fw_event [2021-12-06 19:09:40,536 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_generate_fw_event [2021-12-06 19:09:40,536 INFO L130 BoogieDeclarations]: Found specification of procedure pci_vpd_find_info_keyword [2021-12-06 19:09:40,536 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_vpd_find_info_keyword [2021-12-06 19:09:40,536 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_timer_stop [2021-12-06 19:09:40,536 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_timer_stop [2021-12-06 19:09:40,537 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_phy_stop [2021-12-06 19:09:40,537 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_phy_stop [2021-12-06 19:09:40,537 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-12-06 19:09:40,537 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-12-06 19:09:40,537 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_get_nstats [2021-12-06 19:09:40,537 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_get_nstats [2021-12-06 19:09:40,537 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-12-06 19:09:40,537 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-12-06 19:09:40,537 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-12-06 19:09:40,537 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-12-06 19:09:40,537 INFO L130 BoogieDeclarations]: Found specification of procedure calc_crc [2021-12-06 19:09:40,537 INFO L138 BoogieDeclarations]: Found implementation of procedure calc_crc [2021-12-06 19:09:40,537 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_rss_write_indir_tbl [2021-12-06 19:09:40,537 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_rss_write_indir_tbl [2021-12-06 19:09:40,537 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-12-06 19:09:40,538 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-12-06 19:09:40,538 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_netif_stop [2021-12-06 19:09:40,538 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_netif_stop [2021-12-06 19:09:40,538 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2021-12-06 19:09:40,538 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2021-12-06 19:09:40,538 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-12-06 19:09:40,538 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-12-06 19:09:40,538 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_tx_frag_set [2021-12-06 19:09:40,538 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_tx_frag_set [2021-12-06 19:09:40,538 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_set_loopback [2021-12-06 19:09:40,538 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_set_loopback [2021-12-06 19:09:40,538 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_irq_sync [2021-12-06 19:09:40,538 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_irq_sync [2021-12-06 19:09:40,538 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_stop_fw [2021-12-06 19:09:40,538 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_stop_fw [2021-12-06 19:09:40,538 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2021-12-06 19:09:40,539 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2021-12-06 19:09:40,539 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-12-06 19:09:40,539 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-12-06 19:09:40,539 INFO L130 BoogieDeclarations]: Found specification of procedure pcie_capability_set_word [2021-12-06 19:09:40,539 INFO L138 BoogieDeclarations]: Found implementation of procedure pcie_capability_set_word [2021-12-06 19:09:40,539 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-12-06 19:09:40,539 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-12-06 19:09:40,539 INFO L130 BoogieDeclarations]: Found specification of procedure mii_adv_to_ethtool_adv_t [2021-12-06 19:09:40,539 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_adv_to_ethtool_adv_t [2021-12-06 19:09:40,539 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-06 19:09:40,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-06 19:09:40,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-06 19:09:40,539 INFO L130 BoogieDeclarations]: Found specification of procedure mii_adv_to_ethtool_adv_x [2021-12-06 19:09:40,539 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_adv_to_ethtool_adv_x [2021-12-06 19:09:40,539 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_has_work [2021-12-06 19:09:40,540 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_has_work [2021-12-06 19:09:40,540 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_run_loopback [2021-12-06 19:09:40,540 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_run_loopback [2021-12-06 19:09:40,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-06 19:09:40,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-06 19:09:40,540 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2021-12-06 19:09:40,540 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2021-12-06 19:09:40,540 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_lso_rd_dma_workaround_bit [2021-12-06 19:09:40,540 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_lso_rd_dma_workaround_bit [2021-12-06 19:09:40,540 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2021-12-06 19:09:40,540 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2021-12-06 19:09:40,540 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-12-06 19:09:40,540 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-12-06 19:09:40,540 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-12-06 19:09:40,540 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-12-06 19:09:40,540 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_rss_init_dflt_indir_tbl [2021-12-06 19:09:40,541 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_rss_init_dflt_indir_tbl [2021-12-06 19:09:40,541 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_phy_lpbk_set [2021-12-06 19:09:40,541 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_phy_lpbk_set [2021-12-06 19:09:40,541 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_set_multi [2021-12-06 19:09:40,541 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_set_multi [2021-12-06 19:09:40,541 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_ape_unlock [2021-12-06 19:09:40,541 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_ape_unlock [2021-12-06 19:09:40,541 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_phy_auxctl_read [2021-12-06 19:09:40,541 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_phy_auxctl_read [2021-12-06 19:09:40,541 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-12-06 19:09:40,541 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-12-06 19:09:40,541 INFO L130 BoogieDeclarations]: Found specification of procedure netif_set_real_num_tx_queues [2021-12-06 19:09:40,541 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_set_real_num_tx_queues [2021-12-06 19:09:40,541 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msix [2021-12-06 19:09:40,541 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msix [2021-12-06 19:09:40,541 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dev_present [2021-12-06 19:09:40,542 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dev_present [2021-12-06 19:09:40,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2021-12-06 19:09:40,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2021-12-06 19:09:40,542 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2021-12-06 19:09:40,542 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2021-12-06 19:09:40,542 INFO L130 BoogieDeclarations]: Found specification of procedure tw32_mailbox_flush [2021-12-06 19:09:40,542 INFO L138 BoogieDeclarations]: Found implementation of procedure tw32_mailbox_flush [2021-12-06 19:09:40,542 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-06 19:09:40,542 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-06 19:09:40,542 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-12-06 19:09:40,542 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-12-06 19:09:40,542 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-12-06 19:09:40,542 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-12-06 19:09:40,542 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_ape_event_lock [2021-12-06 19:09:40,542 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_ape_event_lock [2021-12-06 19:09:40,542 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_ump_link_report [2021-12-06 19:09:40,543 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_ump_link_report [2021-12-06 19:09:40,543 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~TO~VOID [2021-12-06 19:09:40,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~TO~VOID [2021-12-06 19:09:40,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-06 19:09:40,543 INFO L130 BoogieDeclarations]: Found specification of procedure __tg3_set_one_mac_addr [2021-12-06 19:09:40,543 INFO L138 BoogieDeclarations]: Found implementation of procedure __tg3_set_one_mac_addr [2021-12-06 19:09:40,543 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-12-06 19:09:40,543 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-12-06 19:09:40,543 INFO L130 BoogieDeclarations]: Found specification of procedure pci_vpd_info_field_size [2021-12-06 19:09:40,543 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_vpd_info_field_size [2021-12-06 19:09:40,543 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-06 19:09:40,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-06 19:09:40,543 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2021-12-06 19:09:40,543 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2021-12-06 19:09:40,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-12-06 19:09:40,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-12-06 19:09:40,544 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_napi_disable [2021-12-06 19:09:40,544 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_napi_disable [2021-12-06 19:09:40,544 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-12-06 19:09:40,544 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-12-06 19:09:40,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2021-12-06 19:09:40,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2021-12-06 19:09:40,544 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_rxcpu_pause [2021-12-06 19:09:40,544 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_rxcpu_pause [2021-12-06 19:09:40,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-06 19:09:40,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-06 19:09:40,544 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_carrier_off [2021-12-06 19:09:40,544 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_carrier_off [2021-12-06 19:09:40,544 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_msix [2021-12-06 19:09:40,544 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_msix [2021-12-06 19:09:40,544 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2021-12-06 19:09:40,544 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2021-12-06 19:09:40,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2021-12-06 19:09:40,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2021-12-06 19:09:40,545 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_setup_phy [2021-12-06 19:09:40,545 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_setup_phy [2021-12-06 19:09:40,545 INFO L130 BoogieDeclarations]: Found specification of procedure _tw32_flush [2021-12-06 19:09:40,545 INFO L138 BoogieDeclarations]: Found implementation of procedure _tw32_flush [2021-12-06 19:09:40,545 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_rd32_loop [2021-12-06 19:09:40,545 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_rd32_loop [2021-12-06 19:09:40,545 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~~u32~0 [2021-12-06 19:09:40,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~~u32~0 [2021-12-06 19:09:40,545 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_switch_clocks [2021-12-06 19:09:40,545 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_switch_clocks [2021-12-06 19:09:40,545 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-12-06 19:09:40,545 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-12-06 19:09:40,545 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-06 19:09:40,545 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-06 19:09:40,545 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_ape_write32 [2021-12-06 19:09:40,545 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_ape_write32 [2021-12-06 19:09:40,546 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2021-12-06 19:09:40,546 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2021-12-06 19:09:40,546 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_phy_copper_an_config_ok [2021-12-06 19:09:40,546 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_phy_copper_an_config_ok [2021-12-06 19:09:40,546 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-06 19:09:40,546 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-06 19:09:40,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_tg3 [2021-12-06 19:09:40,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_tg3 [2021-12-06 19:09:40,546 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_get_regs_len [2021-12-06 19:09:40,546 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_get_regs_len [2021-12-06 19:09:40,546 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_nvram_read_be32 [2021-12-06 19:09:40,546 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_nvram_read_be32 [2021-12-06 19:09:40,546 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_reset_task_cancel [2021-12-06 19:09:40,546 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_reset_task_cancel [2021-12-06 19:09:40,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_98 [2021-12-06 19:09:40,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_98 [2021-12-06 19:09:40,547 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_phy_cl45_read [2021-12-06 19:09:40,547 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_phy_cl45_read [2021-12-06 19:09:40,547 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_test_and_report_link_chg [2021-12-06 19:09:40,547 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_test_and_report_link_chg [2021-12-06 19:09:40,547 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-12-06 19:09:40,547 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-12-06 19:09:40,547 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_disable_ints [2021-12-06 19:09:40,547 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_disable_ints [2021-12-06 19:09:40,547 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_enable_nvram_access [2021-12-06 19:09:40,547 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_enable_nvram_access [2021-12-06 19:09:40,547 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-12-06 19:09:40,547 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-12-06 19:09:40,547 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_wait_macro_done [2021-12-06 19:09:40,547 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_wait_macro_done [2021-12-06 19:09:40,547 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_phy_shdw_write [2021-12-06 19:09:40,547 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_phy_shdw_write [2021-12-06 19:09:40,548 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_write32 [2021-12-06 19:09:40,548 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_write32 [2021-12-06 19:09:40,548 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-06 19:09:40,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-06 19:09:40,548 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_full_unlock [2021-12-06 19:09:40,548 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_full_unlock [2021-12-06 19:09:40,548 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_nvram_unlock [2021-12-06 19:09:40,548 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_nvram_unlock [2021-12-06 19:09:40,548 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2021-12-06 19:09:40,548 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2021-12-06 19:09:40,548 INFO L130 BoogieDeclarations]: Found specification of procedure get_stat64 [2021-12-06 19:09:40,548 INFO L138 BoogieDeclarations]: Found implementation of procedure get_stat64 [2021-12-06 19:09:40,548 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_full_lock [2021-12-06 19:09:40,548 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_full_lock [2021-12-06 19:09:40,548 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-12-06 19:09:40,548 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-12-06 19:09:40,548 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-12-06 19:09:40,549 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-12-06 19:09:40,549 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_suspend [2021-12-06 19:09:40,549 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_suspend [2021-12-06 19:09:40,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 19:09:40,549 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_get_real [2021-12-06 19:09:40,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ktime_get_real [2021-12-06 19:09:40,549 INFO L130 BoogieDeclarations]: Found specification of procedure tg3_halt_cpu [2021-12-06 19:09:40,549 INFO L138 BoogieDeclarations]: Found implementation of procedure tg3_halt_cpu [2021-12-06 19:09:40,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-06 19:09:40,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-06 19:09:41,728 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 19:09:41,732 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 19:09:46,440 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-06 19:11:55,020 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 19:11:55,065 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 19:11:55,065 INFO L301 CfgBuilder]: Removed 10 assume(true) statements. [2021-12-06 19:11:55,074 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 07:11:55 BoogieIcfgContainer [2021-12-06 19:11:55,074 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 19:11:55,075 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 19:11:55,075 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 19:11:55,078 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 19:11:55,078 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 07:09:24" (1/3) ... [2021-12-06 19:11:55,079 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@364bb2d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 07:11:55, skipping insertion in model container [2021-12-06 19:11:55,079 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:09:38" (2/3) ... [2021-12-06 19:11:55,079 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@364bb2d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 07:11:55, skipping insertion in model container [2021-12-06 19:11:55,080 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 07:11:55" (3/3) ... [2021-12-06 19:11:55,081 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-broadcom-tg3.cil.i [2021-12-06 19:11:55,086 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 19:11:55,086 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-12-06 19:11:55,151 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 19:11:55,156 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=PETRI_NET, 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 [2021-12-06 19:11:55,156 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-12-06 19:11:55,330 INFO L276 IsEmpty]: Start isEmpty. Operand has 12651 states, 8724 states have (on average 1.3794131132508023) internal successors, (12034), 9034 states have internal predecessors, (12034), 3574 states have call successors, (3574), 351 states have call predecessors, (3574), 350 states have return successors, (3566), 3491 states have call predecessors, (3566), 3566 states have call successors, (3566) [2021-12-06 19:11:55,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-12-06 19:11:55,334 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:11:55,335 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2021-12-06 19:11:55,335 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-06 19:11:55,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:11:55,339 INFO L85 PathProgramCache]: Analyzing trace with hash -725468384, now seen corresponding path program 1 times [2021-12-06 19:11:55,346 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:11:55,346 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806112839] [2021-12-06 19:11:55,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:11:55,347 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:11:55,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:11:56,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 19:11:56,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:11:56,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 19:11:56,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:11:56,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-06 19:11:56,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:11:56,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:11:56,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:11:56,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-06 19:11:56,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:11:56,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-06 19:11:56,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:11:56,333 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-12-06 19:11:56,334 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:11:56,334 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806112839] [2021-12-06 19:11:56,334 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1806112839] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:11:56,335 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:11:56,335 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 19:11:56,336 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073254253] [2021-12-06 19:11:56,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:11:56,339 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 19:11:56,340 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:11:56,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 19:11:56,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 19:11:56,386 INFO L87 Difference]: Start difference. First operand has 12651 states, 8724 states have (on average 1.3794131132508023) internal successors, (12034), 9034 states have internal predecessors, (12034), 3574 states have call successors, (3574), 351 states have call predecessors, (3574), 350 states have return successors, (3566), 3491 states have call predecessors, (3566), 3566 states have call successors, (3566) Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2021-12-06 19:11:57,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:11:57,544 INFO L93 Difference]: Finished difference Result 25287 states and 39949 transitions. [2021-12-06 19:11:57,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 19:11:57,547 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 48 [2021-12-06 19:11:57,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:11:57,666 INFO L225 Difference]: With dead ends: 25287 [2021-12-06 19:11:57,666 INFO L226 Difference]: Without dead ends: 12647 [2021-12-06 19:11:57,803 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-06 19:11:57,806 INFO L933 BasicCegarLoop]: 19119 mSDtfsCounter, 19057 mSDsluCounter, 38270 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19073 SdHoareTripleChecker+Valid, 57389 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 19:11:57,807 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19073 Valid, 57389 Invalid, 26 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 19:11:57,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12647 states. [2021-12-06 19:11:58,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12647 to 12645. [2021-12-06 19:11:58,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12645 states, 8716 states have (on average 1.3744837081229921) internal successors, (11980), 9022 states have internal predecessors, (11980), 3569 states have call successors, (3569), 358 states have call predecessors, (3569), 357 states have return successors, (3566), 3491 states have call predecessors, (3566), 3566 states have call successors, (3566) [2021-12-06 19:11:58,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12645 states to 12645 states and 19115 transitions. [2021-12-06 19:11:58,673 INFO L78 Accepts]: Start accepts. Automaton has 12645 states and 19115 transitions. Word has length 48 [2021-12-06 19:11:58,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:11:58,673 INFO L470 AbstractCegarLoop]: Abstraction has 12645 states and 19115 transitions. [2021-12-06 19:11:58,674 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2021-12-06 19:11:58,674 INFO L276 IsEmpty]: Start isEmpty. Operand 12645 states and 19115 transitions. [2021-12-06 19:11:58,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-12-06 19:11:58,676 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:11:58,676 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2021-12-06 19:11:58,677 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 19:11:58,677 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-06 19:11:58,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:11:58,677 INFO L85 PathProgramCache]: Analyzing trace with hash 59457462, now seen corresponding path program 1 times [2021-12-06 19:11:58,677 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:11:58,678 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878562469] [2021-12-06 19:11:58,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:11:58,678 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:11:58,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:11:59,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 19:11:59,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:11:59,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 19:11:59,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:11:59,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-06 19:11:59,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:11:59,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:11:59,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:11:59,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-06 19:11:59,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:11:59,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-06 19:11:59,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:11:59,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-06 19:11:59,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:11:59,312 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-12-06 19:11:59,312 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:11:59,312 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878562469] [2021-12-06 19:11:59,313 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878562469] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:11:59,313 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:11:59,313 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 19:11:59,313 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570927289] [2021-12-06 19:11:59,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:11:59,314 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 19:11:59,314 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:11:59,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 19:11:59,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 19:11:59,315 INFO L87 Difference]: Start difference. First operand 12645 states and 19115 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-12-06 19:12:00,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:12:00,136 INFO L93 Difference]: Finished difference Result 12651 states and 19120 transitions. [2021-12-06 19:12:00,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 19:12:00,137 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 53 [2021-12-06 19:12:00,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:12:00,230 INFO L225 Difference]: With dead ends: 12651 [2021-12-06 19:12:00,230 INFO L226 Difference]: Without dead ends: 12649 [2021-12-06 19:12:00,242 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-06 19:12:00,243 INFO L933 BasicCegarLoop]: 19080 mSDtfsCounter, 19048 mSDsluCounter, 38137 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19062 SdHoareTripleChecker+Valid, 57217 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 19:12:00,243 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19062 Valid, 57217 Invalid, 24 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 19:12:00,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12649 states. [2021-12-06 19:12:00,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12649 to 12649. [2021-12-06 19:12:00,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12649 states, 8719 states have (on average 1.3743548572083955) internal successors, (11983), 9025 states have internal predecessors, (11983), 3569 states have call successors, (3569), 359 states have call predecessors, (3569), 358 states have return successors, (3566), 3491 states have call predecessors, (3566), 3566 states have call successors, (3566) [2021-12-06 19:12:01,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12649 states to 12649 states and 19118 transitions. [2021-12-06 19:12:01,067 INFO L78 Accepts]: Start accepts. Automaton has 12649 states and 19118 transitions. Word has length 53 [2021-12-06 19:12:01,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:12:01,068 INFO L470 AbstractCegarLoop]: Abstraction has 12649 states and 19118 transitions. [2021-12-06 19:12:01,068 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-12-06 19:12:01,068 INFO L276 IsEmpty]: Start isEmpty. Operand 12649 states and 19118 transitions. [2021-12-06 19:12:01,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-12-06 19:12:01,070 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:12:01,070 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2021-12-06 19:12:01,071 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-06 19:12:01,071 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-06 19:12:01,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:12:01,071 INFO L85 PathProgramCache]: Analyzing trace with hash 2111357088, now seen corresponding path program 1 times [2021-12-06 19:12:01,071 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:12:01,071 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937247338] [2021-12-06 19:12:01,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:12:01,071 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:12:01,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:01,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 19:12:01,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:01,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 19:12:01,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:01,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-06 19:12:01,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:01,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:12:01,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:01,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-06 19:12:01,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:01,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-06 19:12:01,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:01,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-06 19:12:01,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:01,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-06 19:12:01,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:01,668 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-12-06 19:12:01,668 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:12:01,668 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937247338] [2021-12-06 19:12:01,669 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [937247338] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:12:01,669 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:12:01,669 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 19:12:01,669 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526149078] [2021-12-06 19:12:01,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:12:01,669 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 19:12:01,669 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:12:01,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 19:12:01,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 19:12:01,670 INFO L87 Difference]: Start difference. First operand 12649 states and 19118 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-12-06 19:12:02,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:12:02,300 INFO L93 Difference]: Finished difference Result 12655 states and 19123 transitions. [2021-12-06 19:12:02,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 19:12:02,300 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 58 [2021-12-06 19:12:02,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:12:02,356 INFO L225 Difference]: With dead ends: 12655 [2021-12-06 19:12:02,357 INFO L226 Difference]: Without dead ends: 12653 [2021-12-06 19:12:02,368 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-06 19:12:02,369 INFO L933 BasicCegarLoop]: 19080 mSDtfsCounter, 19048 mSDsluCounter, 38137 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19061 SdHoareTripleChecker+Valid, 57217 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 19:12:02,369 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19061 Valid, 57217 Invalid, 24 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 19:12:02,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12653 states. [2021-12-06 19:12:02,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12653 to 12653. [2021-12-06 19:12:02,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12653 states, 8722 states have (on average 1.374226094932355) internal successors, (11986), 9028 states have internal predecessors, (11986), 3569 states have call successors, (3569), 360 states have call predecessors, (3569), 359 states have return successors, (3566), 3491 states have call predecessors, (3566), 3566 states have call successors, (3566) [2021-12-06 19:12:03,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12653 states to 12653 states and 19121 transitions. [2021-12-06 19:12:03,046 INFO L78 Accepts]: Start accepts. Automaton has 12653 states and 19121 transitions. Word has length 58 [2021-12-06 19:12:03,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:12:03,047 INFO L470 AbstractCegarLoop]: Abstraction has 12653 states and 19121 transitions. [2021-12-06 19:12:03,047 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-12-06 19:12:03,048 INFO L276 IsEmpty]: Start isEmpty. Operand 12653 states and 19121 transitions. [2021-12-06 19:12:03,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-12-06 19:12:03,049 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:12:03,049 INFO L514 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 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] [2021-12-06 19:12:03,049 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-06 19:12:03,049 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-06 19:12:03,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:12:03,049 INFO L85 PathProgramCache]: Analyzing trace with hash 1734760886, now seen corresponding path program 1 times [2021-12-06 19:12:03,050 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:12:03,050 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723515051] [2021-12-06 19:12:03,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:12:03,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:12:03,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:03,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 19:12:03,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:03,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 19:12:03,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:03,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-06 19:12:03,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:03,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:12:03,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:03,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-06 19:12:03,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:03,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-06 19:12:03,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:03,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-06 19:12:03,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:03,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-06 19:12:03,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:03,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-06 19:12:03,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:03,624 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-12-06 19:12:03,625 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:12:03,625 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723515051] [2021-12-06 19:12:03,625 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1723515051] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:12:03,625 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:12:03,625 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 19:12:03,625 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142824237] [2021-12-06 19:12:03,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:12:03,625 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 19:12:03,625 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:12:03,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 19:12:03,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 19:12:03,626 INFO L87 Difference]: Start difference. First operand 12653 states and 19121 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-06 19:12:04,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:12:04,281 INFO L93 Difference]: Finished difference Result 12659 states and 19126 transitions. [2021-12-06 19:12:04,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 19:12:04,282 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 63 [2021-12-06 19:12:04,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:12:04,340 INFO L225 Difference]: With dead ends: 12659 [2021-12-06 19:12:04,340 INFO L226 Difference]: Without dead ends: 12657 [2021-12-06 19:12:04,351 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-06 19:12:04,352 INFO L933 BasicCegarLoop]: 19080 mSDtfsCounter, 19048 mSDsluCounter, 38137 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19060 SdHoareTripleChecker+Valid, 57217 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 19:12:04,352 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19060 Valid, 57217 Invalid, 24 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 19:12:04,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12657 states. [2021-12-06 19:12:04,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12657 to 12657. [2021-12-06 19:12:04,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12657 states, 8725 states have (on average 1.3740974212034385) internal successors, (11989), 9031 states have internal predecessors, (11989), 3569 states have call successors, (3569), 361 states have call predecessors, (3569), 360 states have return successors, (3566), 3491 states have call predecessors, (3566), 3566 states have call successors, (3566) [2021-12-06 19:12:05,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12657 states to 12657 states and 19124 transitions. [2021-12-06 19:12:05,028 INFO L78 Accepts]: Start accepts. Automaton has 12657 states and 19124 transitions. Word has length 63 [2021-12-06 19:12:05,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:12:05,028 INFO L470 AbstractCegarLoop]: Abstraction has 12657 states and 19124 transitions. [2021-12-06 19:12:05,028 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-06 19:12:05,028 INFO L276 IsEmpty]: Start isEmpty. Operand 12657 states and 19124 transitions. [2021-12-06 19:12:05,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-12-06 19:12:05,029 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:12:05,030 INFO L514 BasicCegarLoop]: trace histogram [5, 4, 4, 3, 3, 3, 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] [2021-12-06 19:12:05,030 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-06 19:12:05,030 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-06 19:12:05,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:12:05,030 INFO L85 PathProgramCache]: Analyzing trace with hash -1458039264, now seen corresponding path program 1 times [2021-12-06 19:12:05,030 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:12:05,030 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40476433] [2021-12-06 19:12:05,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:12:05,030 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:12:05,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:05,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 19:12:05,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:05,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 19:12:05,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:05,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-06 19:12:05,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:05,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:12:05,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:05,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-06 19:12:05,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:05,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-06 19:12:05,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:05,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-06 19:12:05,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:05,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-06 19:12:05,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:05,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-06 19:12:05,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:05,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-06 19:12:05,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:05,627 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2021-12-06 19:12:05,627 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:12:05,627 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40476433] [2021-12-06 19:12:05,627 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [40476433] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:12:05,627 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:12:05,627 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 19:12:05,627 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261955532] [2021-12-06 19:12:05,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:12:05,628 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 19:12:05,628 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:12:05,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 19:12:05,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 19:12:05,628 INFO L87 Difference]: Start difference. First operand 12657 states and 19124 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-12-06 19:12:06,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:12:06,241 INFO L93 Difference]: Finished difference Result 12807 states and 19329 transitions. [2021-12-06 19:12:06,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 19:12:06,242 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 68 [2021-12-06 19:12:06,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:12:06,294 INFO L225 Difference]: With dead ends: 12807 [2021-12-06 19:12:06,294 INFO L226 Difference]: Without dead ends: 12805 [2021-12-06 19:12:06,303 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-06 19:12:06,303 INFO L933 BasicCegarLoop]: 19136 mSDtfsCounter, 18972 mSDsluCounter, 38521 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18983 SdHoareTripleChecker+Valid, 57657 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 19:12:06,304 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [18983 Valid, 57657 Invalid, 26 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 19:12:06,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12805 states. [2021-12-06 19:12:07,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12805 to 12799. [2021-12-06 19:12:07,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12799 states, 8811 states have (on average 1.372829417773238) internal successors, (12096), 9127 states have internal predecessors, (12096), 3610 states have call successors, (3610), 379 states have call predecessors, (3610), 375 states have return successors, (3617), 3523 states have call predecessors, (3617), 3607 states have call successors, (3617) [2021-12-06 19:12:07,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12799 states to 12799 states and 19323 transitions. [2021-12-06 19:12:07,186 INFO L78 Accepts]: Start accepts. Automaton has 12799 states and 19323 transitions. Word has length 68 [2021-12-06 19:12:07,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:12:07,187 INFO L470 AbstractCegarLoop]: Abstraction has 12799 states and 19323 transitions. [2021-12-06 19:12:07,187 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-12-06 19:12:07,187 INFO L276 IsEmpty]: Start isEmpty. Operand 12799 states and 19323 transitions. [2021-12-06 19:12:07,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2021-12-06 19:12:07,188 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:12:07,188 INFO L514 BasicCegarLoop]: trace histogram [6, 5, 5, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:12:07,188 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-06 19:12:07,188 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-06 19:12:07,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:12:07,188 INFO L85 PathProgramCache]: Analyzing trace with hash 1250116634, now seen corresponding path program 1 times [2021-12-06 19:12:07,188 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:12:07,189 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158889392] [2021-12-06 19:12:07,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:12:07,189 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:12:07,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:07,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 19:12:07,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:07,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 19:12:07,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:07,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-06 19:12:07,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:07,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:12:07,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:07,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-06 19:12:07,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:07,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-06 19:12:07,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:07,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-12-06 19:12:07,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:07,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-06 19:12:07,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:07,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-06 19:12:07,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:07,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-06 19:12:07,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:07,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-06 19:12:07,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:07,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-06 19:12:07,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:07,713 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2021-12-06 19:12:07,713 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:12:07,714 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158889392] [2021-12-06 19:12:07,714 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1158889392] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:12:07,714 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:12:07,714 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 19:12:07,714 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941371575] [2021-12-06 19:12:07,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:12:07,714 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 19:12:07,714 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:12:07,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 19:12:07,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 19:12:07,715 INFO L87 Difference]: Start difference. First operand 12799 states and 19323 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-12-06 19:12:08,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:12:08,282 INFO L93 Difference]: Finished difference Result 12805 states and 19328 transitions. [2021-12-06 19:12:08,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 19:12:08,283 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 86 [2021-12-06 19:12:08,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:12:08,330 INFO L225 Difference]: With dead ends: 12805 [2021-12-06 19:12:08,331 INFO L226 Difference]: Without dead ends: 12803 [2021-12-06 19:12:08,339 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-06 19:12:08,340 INFO L933 BasicCegarLoop]: 19080 mSDtfsCounter, 19038 mSDsluCounter, 38137 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19048 SdHoareTripleChecker+Valid, 57217 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 19:12:08,340 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19048 Valid, 57217 Invalid, 24 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 19:12:08,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12803 states. [2021-12-06 19:12:09,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12803 to 12803. [2021-12-06 19:12:09,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12803 states, 8814 states have (on average 1.3727025187202178) internal successors, (12099), 9130 states have internal predecessors, (12099), 3610 states have call successors, (3610), 380 states have call predecessors, (3610), 376 states have return successors, (3617), 3523 states have call predecessors, (3617), 3607 states have call successors, (3617) [2021-12-06 19:12:09,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12803 states to 12803 states and 19326 transitions. [2021-12-06 19:12:09,195 INFO L78 Accepts]: Start accepts. Automaton has 12803 states and 19326 transitions. Word has length 86 [2021-12-06 19:12:09,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:12:09,195 INFO L470 AbstractCegarLoop]: Abstraction has 12803 states and 19326 transitions. [2021-12-06 19:12:09,195 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-12-06 19:12:09,195 INFO L276 IsEmpty]: Start isEmpty. Operand 12803 states and 19326 transitions. [2021-12-06 19:12:09,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-12-06 19:12:09,196 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:12:09,197 INFO L514 BasicCegarLoop]: trace histogram [7, 6, 6, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:12:09,197 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-06 19:12:09,197 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-06 19:12:09,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:12:09,197 INFO L85 PathProgramCache]: Analyzing trace with hash 1348221372, now seen corresponding path program 1 times [2021-12-06 19:12:09,197 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:12:09,197 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575024693] [2021-12-06 19:12:09,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:12:09,197 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:12:09,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:09,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 19:12:09,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:09,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 19:12:09,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:09,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-06 19:12:09,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:09,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:12:09,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:09,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-06 19:12:09,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:09,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-06 19:12:09,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:09,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-12-06 19:12:09,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:09,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-06 19:12:09,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:09,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-06 19:12:09,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:09,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-06 19:12:09,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:09,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-06 19:12:09,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:09,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-06 19:12:09,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:09,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-06 19:12:09,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:09,712 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2021-12-06 19:12:09,712 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:12:09,712 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575024693] [2021-12-06 19:12:09,712 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1575024693] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:12:09,712 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:12:09,713 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 19:12:09,713 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981180696] [2021-12-06 19:12:09,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:12:09,713 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 19:12:09,713 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:12:09,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 19:12:09,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 19:12:09,714 INFO L87 Difference]: Start difference. First operand 12803 states and 19326 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-12-06 19:12:10,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:12:10,274 INFO L93 Difference]: Finished difference Result 12809 states and 19331 transitions. [2021-12-06 19:12:10,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 19:12:10,275 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 91 [2021-12-06 19:12:10,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:12:10,318 INFO L225 Difference]: With dead ends: 12809 [2021-12-06 19:12:10,318 INFO L226 Difference]: Without dead ends: 12807 [2021-12-06 19:12:10,326 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-06 19:12:10,326 INFO L933 BasicCegarLoop]: 19080 mSDtfsCounter, 19038 mSDsluCounter, 38137 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19047 SdHoareTripleChecker+Valid, 57217 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 19:12:10,327 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19047 Valid, 57217 Invalid, 24 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 19:12:10,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12807 states. [2021-12-06 19:12:11,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12807 to 12807. [2021-12-06 19:12:11,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12807 states, 8817 states have (on average 1.3725757060224566) internal successors, (12102), 9133 states have internal predecessors, (12102), 3610 states have call successors, (3610), 381 states have call predecessors, (3610), 377 states have return successors, (3617), 3523 states have call predecessors, (3617), 3607 states have call successors, (3617) [2021-12-06 19:12:11,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12807 states to 12807 states and 19329 transitions. [2021-12-06 19:12:11,185 INFO L78 Accepts]: Start accepts. Automaton has 12807 states and 19329 transitions. Word has length 91 [2021-12-06 19:12:11,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:12:11,186 INFO L470 AbstractCegarLoop]: Abstraction has 12807 states and 19329 transitions. [2021-12-06 19:12:11,186 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-12-06 19:12:11,186 INFO L276 IsEmpty]: Start isEmpty. Operand 12807 states and 19329 transitions. [2021-12-06 19:12:11,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-12-06 19:12:11,187 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:12:11,187 INFO L514 BasicCegarLoop]: trace histogram [8, 7, 7, 3, 3, 3, 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] [2021-12-06 19:12:11,187 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-06 19:12:11,187 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-06 19:12:11,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:12:11,188 INFO L85 PathProgramCache]: Analyzing trace with hash -1444143690, now seen corresponding path program 1 times [2021-12-06 19:12:11,188 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:12:11,188 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1918436081] [2021-12-06 19:12:11,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:12:11,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:12:11,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:11,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 19:12:11,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:11,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 19:12:11,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:11,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-06 19:12:11,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:11,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:12:11,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:11,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-06 19:12:11,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:11,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-06 19:12:11,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:11,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-06 19:12:11,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:11,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-06 19:12:11,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:11,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-06 19:12:11,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:11,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-06 19:12:11,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:11,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-06 19:12:11,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:11,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 19:12:11,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:11,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-06 19:12:11,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:11,671 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2021-12-06 19:12:11,671 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:12:11,671 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1918436081] [2021-12-06 19:12:11,671 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1918436081] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:12:11,671 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:12:11,672 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 19:12:11,672 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045879493] [2021-12-06 19:12:11,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:12:11,672 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 19:12:11,672 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:12:11,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 19:12:11,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 19:12:11,673 INFO L87 Difference]: Start difference. First operand 12807 states and 19329 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-12-06 19:12:12,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:12:12,246 INFO L93 Difference]: Finished difference Result 12813 states and 19334 transitions. [2021-12-06 19:12:12,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 19:12:12,247 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 83 [2021-12-06 19:12:12,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:12:12,286 INFO L225 Difference]: With dead ends: 12813 [2021-12-06 19:12:12,286 INFO L226 Difference]: Without dead ends: 12811 [2021-12-06 19:12:12,293 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-06 19:12:12,294 INFO L933 BasicCegarLoop]: 19080 mSDtfsCounter, 19048 mSDsluCounter, 38137 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19056 SdHoareTripleChecker+Valid, 57217 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 19:12:12,294 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19056 Valid, 57217 Invalid, 24 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 19:12:12,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12811 states. [2021-12-06 19:12:13,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12811 to 12811. [2021-12-06 19:12:13,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12811 states, 8820 states have (on average 1.3724489795918366) internal successors, (12105), 9136 states have internal predecessors, (12105), 3610 states have call successors, (3610), 382 states have call predecessors, (3610), 378 states have return successors, (3617), 3523 states have call predecessors, (3617), 3607 states have call successors, (3617) [2021-12-06 19:12:13,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12811 states to 12811 states and 19332 transitions. [2021-12-06 19:12:13,164 INFO L78 Accepts]: Start accepts. Automaton has 12811 states and 19332 transitions. Word has length 83 [2021-12-06 19:12:13,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:12:13,164 INFO L470 AbstractCegarLoop]: Abstraction has 12811 states and 19332 transitions. [2021-12-06 19:12:13,164 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-12-06 19:12:13,164 INFO L276 IsEmpty]: Start isEmpty. Operand 12811 states and 19332 transitions. [2021-12-06 19:12:13,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-12-06 19:12:13,165 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:12:13,165 INFO L514 BasicCegarLoop]: trace histogram [9, 8, 8, 3, 3, 3, 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] [2021-12-06 19:12:13,165 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-06 19:12:13,166 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-06 19:12:13,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:12:13,166 INFO L85 PathProgramCache]: Analyzing trace with hash -1476316896, now seen corresponding path program 1 times [2021-12-06 19:12:13,166 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:12:13,166 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293286197] [2021-12-06 19:12:13,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:12:13,166 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:12:13,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:13,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 19:12:13,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:13,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 19:12:13,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:13,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-06 19:12:13,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:13,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:12:13,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:13,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-06 19:12:13,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:13,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-06 19:12:13,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:13,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-06 19:12:13,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:13,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-06 19:12:13,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:13,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-06 19:12:13,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:13,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-06 19:12:13,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:13,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-06 19:12:13,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:13,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 19:12:13,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:13,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-06 19:12:13,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:13,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-06 19:12:13,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:13,685 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2021-12-06 19:12:13,686 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:12:13,686 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293286197] [2021-12-06 19:12:13,686 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [293286197] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:12:13,686 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:12:13,686 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 19:12:13,686 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144603446] [2021-12-06 19:12:13,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:12:13,686 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 19:12:13,686 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:12:13,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 19:12:13,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 19:12:13,687 INFO L87 Difference]: Start difference. First operand 12811 states and 19332 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-12-06 19:12:14,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:12:14,374 INFO L93 Difference]: Finished difference Result 16465 states and 24695 transitions. [2021-12-06 19:12:14,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 19:12:14,374 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 88 [2021-12-06 19:12:14,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:12:14,424 INFO L225 Difference]: With dead ends: 16465 [2021-12-06 19:12:14,425 INFO L226 Difference]: Without dead ends: 16463 [2021-12-06 19:12:14,434 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-06 19:12:14,435 INFO L933 BasicCegarLoop]: 23758 mSDtfsCounter, 14900 mSDsluCounter, 56804 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14907 SdHoareTripleChecker+Valid, 80562 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 19:12:14,435 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14907 Valid, 80562 Invalid, 26 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 19:12:14,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16463 states. [2021-12-06 19:12:15,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16463 to 16459. [2021-12-06 19:12:15,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16459 states, 11230 states have (on average 1.3647373107747105) internal successors, (15326), 11617 states have internal predecessors, (15326), 4674 states have call successors, (4674), 559 states have call predecessors, (4674), 552 states have return successors, (4691), 4567 states have call predecessors, (4691), 4671 states have call successors, (4691) [2021-12-06 19:12:15,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16459 states to 16459 states and 24691 transitions. [2021-12-06 19:12:15,371 INFO L78 Accepts]: Start accepts. Automaton has 16459 states and 24691 transitions. Word has length 88 [2021-12-06 19:12:15,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:12:15,372 INFO L470 AbstractCegarLoop]: Abstraction has 16459 states and 24691 transitions. [2021-12-06 19:12:15,372 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-12-06 19:12:15,372 INFO L276 IsEmpty]: Start isEmpty. Operand 16459 states and 24691 transitions. [2021-12-06 19:12:15,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-12-06 19:12:15,373 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:12:15,373 INFO L514 BasicCegarLoop]: trace histogram [10, 9, 9, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:12:15,373 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-06 19:12:15,373 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-06 19:12:15,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:12:15,374 INFO L85 PathProgramCache]: Analyzing trace with hash -1984475622, now seen corresponding path program 1 times [2021-12-06 19:12:15,374 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:12:15,374 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858875968] [2021-12-06 19:12:15,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:12:15,374 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:12:15,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:15,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 19:12:15,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:15,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 19:12:15,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:15,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-06 19:12:15,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:15,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:12:15,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:15,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-06 19:12:15,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:15,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-06 19:12:15,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:15,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-12-06 19:12:15,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:15,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-06 19:12:15,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:15,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-06 19:12:15,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:15,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-06 19:12:15,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:15,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-06 19:12:15,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:15,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-06 19:12:15,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:15,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-06 19:12:15,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:15,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-12-06 19:12:15,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:15,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-06 19:12:15,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:15,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-06 19:12:15,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:15,873 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2021-12-06 19:12:15,873 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:12:15,874 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858875968] [2021-12-06 19:12:15,874 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [858875968] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:12:15,874 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:12:15,874 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 19:12:15,874 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761479994] [2021-12-06 19:12:15,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:12:15,874 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 19:12:15,874 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:12:15,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 19:12:15,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 19:12:15,875 INFO L87 Difference]: Start difference. First operand 16459 states and 24691 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-12-06 19:12:16,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:12:16,574 INFO L93 Difference]: Finished difference Result 16465 states and 24696 transitions. [2021-12-06 19:12:16,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 19:12:16,574 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 106 [2021-12-06 19:12:16,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:12:16,612 INFO L225 Difference]: With dead ends: 16465 [2021-12-06 19:12:16,612 INFO L226 Difference]: Without dead ends: 16463 [2021-12-06 19:12:16,617 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-06 19:12:16,618 INFO L933 BasicCegarLoop]: 19080 mSDtfsCounter, 19038 mSDsluCounter, 38137 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19044 SdHoareTripleChecker+Valid, 57217 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 19:12:16,618 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19044 Valid, 57217 Invalid, 24 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 19:12:16,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16463 states. [2021-12-06 19:12:17,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16463 to 16463. [2021-12-06 19:12:17,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16463 states, 11233 states have (on average 1.3646399002937772) internal successors, (15329), 11620 states have internal predecessors, (15329), 4674 states have call successors, (4674), 560 states have call predecessors, (4674), 553 states have return successors, (4691), 4567 states have call predecessors, (4691), 4671 states have call successors, (4691) [2021-12-06 19:12:17,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16463 states to 16463 states and 24694 transitions. [2021-12-06 19:12:17,528 INFO L78 Accepts]: Start accepts. Automaton has 16463 states and 24694 transitions. Word has length 106 [2021-12-06 19:12:17,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:12:17,528 INFO L470 AbstractCegarLoop]: Abstraction has 16463 states and 24694 transitions. [2021-12-06 19:12:17,529 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-12-06 19:12:17,529 INFO L276 IsEmpty]: Start isEmpty. Operand 16463 states and 24694 transitions. [2021-12-06 19:12:17,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-12-06 19:12:17,530 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:12:17,530 INFO L514 BasicCegarLoop]: trace histogram [11, 10, 10, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:12:17,530 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-06 19:12:17,530 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-06 19:12:17,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:12:17,531 INFO L85 PathProgramCache]: Analyzing trace with hash -2104308036, now seen corresponding path program 1 times [2021-12-06 19:12:17,531 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:12:17,531 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258482660] [2021-12-06 19:12:17,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:12:17,531 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:12:17,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:17,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 19:12:17,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:17,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 19:12:17,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:17,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-06 19:12:17,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:17,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:12:17,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:17,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-06 19:12:17,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:17,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-06 19:12:17,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:17,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-12-06 19:12:17,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:17,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-06 19:12:17,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:17,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-06 19:12:17,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:17,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-06 19:12:17,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:17,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-06 19:12:17,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:17,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-06 19:12:17,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:18,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-06 19:12:18,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:18,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-12-06 19:12:18,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:18,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-06 19:12:18,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:18,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-06 19:12:18,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:18,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 19:12:18,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:18,051 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2021-12-06 19:12:18,051 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:12:18,051 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258482660] [2021-12-06 19:12:18,051 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1258482660] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:12:18,051 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:12:18,051 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 19:12:18,051 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518390792] [2021-12-06 19:12:18,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:12:18,052 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 19:12:18,052 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:12:18,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 19:12:18,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 19:12:18,052 INFO L87 Difference]: Start difference. First operand 16463 states and 24694 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-12-06 19:12:18,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:12:18,755 INFO L93 Difference]: Finished difference Result 16469 states and 24699 transitions. [2021-12-06 19:12:18,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 19:12:18,756 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 111 [2021-12-06 19:12:18,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:12:18,804 INFO L225 Difference]: With dead ends: 16469 [2021-12-06 19:12:18,804 INFO L226 Difference]: Without dead ends: 16467 [2021-12-06 19:12:18,813 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-06 19:12:18,814 INFO L933 BasicCegarLoop]: 19080 mSDtfsCounter, 19038 mSDsluCounter, 38137 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19043 SdHoareTripleChecker+Valid, 57217 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 19:12:18,814 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19043 Valid, 57217 Invalid, 24 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 19:12:18,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16467 states. [2021-12-06 19:12:19,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16467 to 16467. [2021-12-06 19:12:19,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16467 states, 11236 states have (on average 1.3645425418298327) internal successors, (15332), 11623 states have internal predecessors, (15332), 4674 states have call successors, (4674), 561 states have call predecessors, (4674), 554 states have return successors, (4691), 4567 states have call predecessors, (4691), 4671 states have call successors, (4691) [2021-12-06 19:12:19,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16467 states to 16467 states and 24697 transitions. [2021-12-06 19:12:19,758 INFO L78 Accepts]: Start accepts. Automaton has 16467 states and 24697 transitions. Word has length 111 [2021-12-06 19:12:19,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:12:19,758 INFO L470 AbstractCegarLoop]: Abstraction has 16467 states and 24697 transitions. [2021-12-06 19:12:19,758 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-12-06 19:12:19,759 INFO L276 IsEmpty]: Start isEmpty. Operand 16467 states and 24697 transitions. [2021-12-06 19:12:19,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-12-06 19:12:19,760 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:12:19,760 INFO L514 BasicCegarLoop]: trace histogram [12, 11, 11, 3, 3, 3, 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] [2021-12-06 19:12:19,760 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-06 19:12:19,761 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-06 19:12:19,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:12:19,761 INFO L85 PathProgramCache]: Analyzing trace with hash 1626775990, now seen corresponding path program 1 times [2021-12-06 19:12:19,761 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:12:19,761 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124779912] [2021-12-06 19:12:19,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:12:19,761 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:12:19,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:20,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 19:12:20,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:20,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 19:12:20,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:20,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-06 19:12:20,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:20,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:12:20,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:20,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-06 19:12:20,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:20,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-06 19:12:20,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:20,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-06 19:12:20,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:20,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-06 19:12:20,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:20,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-06 19:12:20,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:20,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-06 19:12:20,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:20,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-06 19:12:20,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:20,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 19:12:20,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:20,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-06 19:12:20,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:20,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-06 19:12:20,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:20,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-06 19:12:20,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:20,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-06 19:12:20,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:20,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-06 19:12:20,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:20,261 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2021-12-06 19:12:20,261 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:12:20,261 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124779912] [2021-12-06 19:12:20,261 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [124779912] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:12:20,261 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:12:20,261 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 19:12:20,261 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122391733] [2021-12-06 19:12:20,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:12:20,262 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 19:12:20,262 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:12:20,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 19:12:20,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 19:12:20,262 INFO L87 Difference]: Start difference. First operand 16467 states and 24697 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-12-06 19:12:20,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:12:20,988 INFO L93 Difference]: Finished difference Result 16473 states and 24702 transitions. [2021-12-06 19:12:20,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 19:12:20,989 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 103 [2021-12-06 19:12:20,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:12:21,036 INFO L225 Difference]: With dead ends: 16473 [2021-12-06 19:12:21,036 INFO L226 Difference]: Without dead ends: 16471 [2021-12-06 19:12:21,046 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-06 19:12:21,046 INFO L933 BasicCegarLoop]: 19080 mSDtfsCounter, 19048 mSDsluCounter, 38137 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19052 SdHoareTripleChecker+Valid, 57217 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 19:12:21,047 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19052 Valid, 57217 Invalid, 24 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 19:12:21,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16471 states. [2021-12-06 19:12:21,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16471 to 16471. [2021-12-06 19:12:21,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16471 states, 11239 states have (on average 1.3644452353412224) internal successors, (15335), 11626 states have internal predecessors, (15335), 4674 states have call successors, (4674), 562 states have call predecessors, (4674), 555 states have return successors, (4691), 4567 states have call predecessors, (4691), 4671 states have call successors, (4691) [2021-12-06 19:12:22,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16471 states to 16471 states and 24700 transitions. [2021-12-06 19:12:22,046 INFO L78 Accepts]: Start accepts. Automaton has 16471 states and 24700 transitions. Word has length 103 [2021-12-06 19:12:22,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:12:22,046 INFO L470 AbstractCegarLoop]: Abstraction has 16471 states and 24700 transitions. [2021-12-06 19:12:22,046 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-12-06 19:12:22,046 INFO L276 IsEmpty]: Start isEmpty. Operand 16471 states and 24700 transitions. [2021-12-06 19:12:22,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-12-06 19:12:22,048 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:12:22,048 INFO L514 BasicCegarLoop]: trace histogram [13, 12, 12, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:12:22,048 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-06 19:12:22,048 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-06 19:12:22,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:12:22,049 INFO L85 PathProgramCache]: Analyzing trace with hash -505220804, now seen corresponding path program 1 times [2021-12-06 19:12:22,049 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:12:22,049 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432933790] [2021-12-06 19:12:22,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:12:22,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:12:22,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:22,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 19:12:22,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:22,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 19:12:22,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:22,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-06 19:12:22,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:22,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:12:22,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:22,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-06 19:12:22,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:22,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-06 19:12:22,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:22,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-12-06 19:12:22,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:22,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-06 19:12:22,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:22,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-06 19:12:22,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:22,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-06 19:12:22,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:22,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-06 19:12:22,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:22,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-06 19:12:22,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:22,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-06 19:12:22,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:22,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-12-06 19:12:22,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:22,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-06 19:12:22,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:22,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-06 19:12:22,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:22,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 19:12:22,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:22,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-12-06 19:12:22,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:22,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-12-06 19:12:22,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:22,569 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 285 trivial. 0 not checked. [2021-12-06 19:12:22,569 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:12:22,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432933790] [2021-12-06 19:12:22,569 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [432933790] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:12:22,569 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:12:22,569 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 19:12:22,569 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964400970] [2021-12-06 19:12:22,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:12:22,569 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 19:12:22,569 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:12:22,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 19:12:22,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 19:12:22,570 INFO L87 Difference]: Start difference. First operand 16471 states and 24700 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-12-06 19:12:23,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:12:23,326 INFO L93 Difference]: Finished difference Result 16477 states and 24705 transitions. [2021-12-06 19:12:23,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 19:12:23,327 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 121 [2021-12-06 19:12:23,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:12:23,376 INFO L225 Difference]: With dead ends: 16477 [2021-12-06 19:12:23,376 INFO L226 Difference]: Without dead ends: 16475 [2021-12-06 19:12:23,385 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-06 19:12:23,386 INFO L933 BasicCegarLoop]: 19080 mSDtfsCounter, 19038 mSDsluCounter, 38137 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19041 SdHoareTripleChecker+Valid, 57217 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 19:12:23,386 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19041 Valid, 57217 Invalid, 24 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 19:12:23,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16475 states. [2021-12-06 19:12:24,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16475 to 16475. [2021-12-06 19:12:24,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16475 states, 11242 states have (on average 1.364347980786337) internal successors, (15338), 11629 states have internal predecessors, (15338), 4674 states have call successors, (4674), 563 states have call predecessors, (4674), 556 states have return successors, (4691), 4567 states have call predecessors, (4691), 4671 states have call successors, (4691) [2021-12-06 19:12:24,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16475 states to 16475 states and 24703 transitions. [2021-12-06 19:12:24,439 INFO L78 Accepts]: Start accepts. Automaton has 16475 states and 24703 transitions. Word has length 121 [2021-12-06 19:12:24,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:12:24,440 INFO L470 AbstractCegarLoop]: Abstraction has 16475 states and 24703 transitions. [2021-12-06 19:12:24,440 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-12-06 19:12:24,440 INFO L276 IsEmpty]: Start isEmpty. Operand 16475 states and 24703 transitions. [2021-12-06 19:12:24,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-12-06 19:12:24,442 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:12:24,442 INFO L514 BasicCegarLoop]: trace histogram [14, 13, 13, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:12:24,442 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-06 19:12:24,443 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-06 19:12:24,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:12:24,443 INFO L85 PathProgramCache]: Analyzing trace with hash -309258214, now seen corresponding path program 1 times [2021-12-06 19:12:24,443 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:12:24,443 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621235800] [2021-12-06 19:12:24,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:12:24,443 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:12:24,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:24,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 19:12:24,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:24,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 19:12:24,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:24,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-06 19:12:24,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:24,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:12:24,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:24,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-06 19:12:24,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:24,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-06 19:12:24,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:24,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-12-06 19:12:24,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:24,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-06 19:12:24,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:24,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-06 19:12:24,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:24,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-06 19:12:24,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:24,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-06 19:12:24,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:24,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-06 19:12:24,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:24,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-06 19:12:24,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:24,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-12-06 19:12:24,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:24,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-06 19:12:24,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:24,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-06 19:12:24,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:24,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 19:12:24,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:25,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-12-06 19:12:25,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:25,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-12-06 19:12:25,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:25,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-06 19:12:25,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:25,032 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 333 trivial. 0 not checked. [2021-12-06 19:12:25,032 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:12:25,032 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [621235800] [2021-12-06 19:12:25,032 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [621235800] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:12:25,032 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:12:25,032 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 19:12:25,032 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80933089] [2021-12-06 19:12:25,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:12:25,033 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 19:12:25,033 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:12:25,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 19:12:25,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 19:12:25,033 INFO L87 Difference]: Start difference. First operand 16475 states and 24703 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-06 19:12:25,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:12:25,813 INFO L93 Difference]: Finished difference Result 16481 states and 24708 transitions. [2021-12-06 19:12:25,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 19:12:25,814 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 126 [2021-12-06 19:12:25,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:12:25,862 INFO L225 Difference]: With dead ends: 16481 [2021-12-06 19:12:25,862 INFO L226 Difference]: Without dead ends: 16479 [2021-12-06 19:12:25,871 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-06 19:12:25,872 INFO L933 BasicCegarLoop]: 19080 mSDtfsCounter, 19038 mSDsluCounter, 38137 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19040 SdHoareTripleChecker+Valid, 57217 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 19:12:25,872 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19040 Valid, 57217 Invalid, 24 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 19:12:25,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16479 states. [2021-12-06 19:12:26,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16479 to 16479. [2021-12-06 19:12:26,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16479 states, 11245 states have (on average 1.3642507781236104) internal successors, (15341), 11632 states have internal predecessors, (15341), 4674 states have call successors, (4674), 564 states have call predecessors, (4674), 557 states have return successors, (4691), 4567 states have call predecessors, (4691), 4671 states have call successors, (4691) [2021-12-06 19:12:26,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16479 states to 16479 states and 24706 transitions. [2021-12-06 19:12:26,928 INFO L78 Accepts]: Start accepts. Automaton has 16479 states and 24706 transitions. Word has length 126 [2021-12-06 19:12:26,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:12:26,928 INFO L470 AbstractCegarLoop]: Abstraction has 16479 states and 24706 transitions. [2021-12-06 19:12:26,928 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-06 19:12:26,928 INFO L276 IsEmpty]: Start isEmpty. Operand 16479 states and 24706 transitions. [2021-12-06 19:12:26,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-12-06 19:12:26,931 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:12:26,931 INFO L514 BasicCegarLoop]: trace histogram [15, 14, 14, 3, 3, 3, 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] [2021-12-06 19:12:26,931 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-12-06 19:12:26,931 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-06 19:12:26,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:12:26,931 INFO L85 PathProgramCache]: Analyzing trace with hash -1779633760, now seen corresponding path program 1 times [2021-12-06 19:12:26,931 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:12:26,931 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445132002] [2021-12-06 19:12:26,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:12:26,932 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:12:27,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:27,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 19:12:27,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:27,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 19:12:27,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:27,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-06 19:12:27,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:27,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:12:27,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:27,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-06 19:12:27,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:27,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-06 19:12:27,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:27,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-12-06 19:12:27,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:27,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-06 19:12:27,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:27,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-12-06 19:12:27,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:27,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-06 19:12:27,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:27,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2021-12-06 19:12:27,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:27,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-06 19:12:27,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:27,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-06 19:12:27,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:27,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-06 19:12:27,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:27,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-06 19:12:27,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:27,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-06 19:12:27,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:27,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-12-06 19:12:27,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:27,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-06 19:12:27,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:27,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-12-06 19:12:27,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:27,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-06 19:12:27,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:27,457 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 379 trivial. 0 not checked. [2021-12-06 19:12:27,457 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:12:27,457 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [445132002] [2021-12-06 19:12:27,457 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [445132002] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:12:27,457 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:12:27,457 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 19:12:27,457 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537157607] [2021-12-06 19:12:27,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:12:27,458 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 19:12:27,458 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:12:27,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 19:12:27,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 19:12:27,458 INFO L87 Difference]: Start difference. First operand 16479 states and 24706 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-06 19:12:28,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:12:28,245 INFO L93 Difference]: Finished difference Result 16485 states and 24711 transitions. [2021-12-06 19:12:28,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 19:12:28,246 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 118 [2021-12-06 19:12:28,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:12:28,293 INFO L225 Difference]: With dead ends: 16485 [2021-12-06 19:12:28,293 INFO L226 Difference]: Without dead ends: 16481 [2021-12-06 19:12:28,303 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-06 19:12:28,303 INFO L933 BasicCegarLoop]: 19080 mSDtfsCounter, 19048 mSDsluCounter, 38137 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19049 SdHoareTripleChecker+Valid, 57217 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 19:12:28,304 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19049 Valid, 57217 Invalid, 24 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 19:12:28,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16481 states. [2021-12-06 19:12:29,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16481 to 16481. [2021-12-06 19:12:29,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16481 states, 11247 states have (on average 1.3640970925580154) internal successors, (15342), 11633 states have internal predecessors, (15342), 4674 states have call successors, (4674), 565 states have call predecessors, (4674), 557 states have return successors, (4691), 4567 states have call predecessors, (4691), 4671 states have call successors, (4691) [2021-12-06 19:12:29,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16481 states to 16481 states and 24707 transitions. [2021-12-06 19:12:29,379 INFO L78 Accepts]: Start accepts. Automaton has 16481 states and 24707 transitions. Word has length 118 [2021-12-06 19:12:29,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:12:29,379 INFO L470 AbstractCegarLoop]: Abstraction has 16481 states and 24707 transitions. [2021-12-06 19:12:29,379 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-06 19:12:29,380 INFO L276 IsEmpty]: Start isEmpty. Operand 16481 states and 24707 transitions. [2021-12-06 19:12:29,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2021-12-06 19:12:29,382 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:12:29,382 INFO L514 BasicCegarLoop]: trace histogram [9, 9, 9, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:12:29,382 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-12-06 19:12:29,382 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-06 19:12:29,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:12:29,383 INFO L85 PathProgramCache]: Analyzing trace with hash 1182846998, now seen corresponding path program 1 times [2021-12-06 19:12:29,383 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:12:29,383 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811348564] [2021-12-06 19:12:29,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:12:29,383 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:12:29,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:30,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 19:12:30,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:30,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 19:12:30,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:30,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-06 19:12:30,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:30,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:12:30,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:30,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-06 19:12:30,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:30,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-06 19:12:30,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:30,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-12-06 19:12:30,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:30,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-06 19:12:30,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:30,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:12:30,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:30,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 19:12:30,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:30,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 19:12:30,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:30,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-06 19:12:30,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:30,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-06 19:12:30,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:30,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:12:30,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:30,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 19:12:30,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:30,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 19:12:30,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:30,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-06 19:12:30,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:30,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-06 19:12:30,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:30,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:12:30,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:30,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 19:12:30,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:30,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 19:12:30,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:30,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-06 19:12:30,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:30,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-12-06 19:12:30,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:12:30,503 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2021-12-06 19:12:30,503 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:12:30,504 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811348564] [2021-12-06 19:12:30,504 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1811348564] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:12:30,504 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:12:30,504 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 19:12:30,504 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036370218] [2021-12-06 19:12:30,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:12:30,504 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 19:12:30,504 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:12:30,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 19:12:30,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 19:12:30,505 INFO L87 Difference]: Start difference. First operand 16481 states and 24707 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-12-06 19:13:06,868 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 [] [2021-12-06 19:13:13,233 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 19:13:30,035 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 19:13:46,405 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 19:13:49,321 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 19:14:05,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:14:05,736 INFO L93 Difference]: Finished difference Result 18903 states and 30537 transitions. [2021-12-06 19:14:05,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 19:14:05,738 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 147 [2021-12-06 19:14:05,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:14:05,823 INFO L225 Difference]: With dead ends: 18903 [2021-12-06 19:14:05,823 INFO L226 Difference]: Without dead ends: 18901 [2021-12-06 19:14:05,833 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-12-06 19:14:05,833 INFO L933 BasicCegarLoop]: 24033 mSDtfsCounter, 17275 mSDsluCounter, 65433 mSDsCounter, 0 mSdLazyCounter, 14895 mSolverCounterSat, 7141 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 83.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19398 SdHoareTripleChecker+Valid, 89466 SdHoareTripleChecker+Invalid, 22041 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.4s SdHoareTripleChecker+Time, 7141 IncrementalHoareTripleChecker+Valid, 14895 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 92.6s IncrementalHoareTripleChecker+Time [2021-12-06 19:14:05,834 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19398 Valid, 89466 Invalid, 22041 Unknown, 0 Unchecked, 0.4s Time], IncrementalHoareTripleChecker [7141 Valid, 14895 Invalid, 5 Unknown, 0 Unchecked, 92.6s Time] [2021-12-06 19:14:05,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18901 states. [2021-12-06 19:14:07,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18901 to 16491. [2021-12-06 19:14:07,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16491 states, 11254 states have (on average 1.363870623778212) internal successors, (15349), 11642 states have internal predecessors, (15349), 4674 states have call successors, (4674), 566 states have call predecessors, (4674), 560 states have return successors, (4974), 4567 states have call predecessors, (4974), 4671 states have call successors, (4974) [2021-12-06 19:14:07,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16491 states to 16491 states and 24997 transitions. [2021-12-06 19:14:07,406 INFO L78 Accepts]: Start accepts. Automaton has 16491 states and 24997 transitions. Word has length 147 [2021-12-06 19:14:07,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:14:07,406 INFO L470 AbstractCegarLoop]: Abstraction has 16491 states and 24997 transitions. [2021-12-06 19:14:07,406 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-12-06 19:14:07,406 INFO L276 IsEmpty]: Start isEmpty. Operand 16491 states and 24997 transitions. [2021-12-06 19:14:07,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2021-12-06 19:14:07,409 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:14:07,409 INFO L514 BasicCegarLoop]: trace histogram [16, 15, 15, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 19:14:07,409 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-12-06 19:14:07,409 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-06 19:14:07,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:14:07,410 INFO L85 PathProgramCache]: Analyzing trace with hash 1040065818, now seen corresponding path program 1 times [2021-12-06 19:14:07,410 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:14:07,410 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543330951] [2021-12-06 19:14:07,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:14:07,410 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:14:07,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:14:07,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 19:14:07,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:14:07,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 19:14:07,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:14:07,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-06 19:14:07,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:14:07,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:14:07,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:14:07,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-06 19:14:07,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:14:07,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-06 19:14:07,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:14:07,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-12-06 19:14:07,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:14:07,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-12-06 19:14:07,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:14:07,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-06 19:14:07,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:14:07,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-06 19:14:07,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:14:07,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-06 19:14:07,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:14:07,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-06 19:14:07,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:14:07,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-06 19:14:07,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:14:07,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-12-06 19:14:07,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:14:07,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-12-06 19:14:07,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:14:07,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-06 19:14:07,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:14:07,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-12-06 19:14:07,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:14:07,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-12-06 19:14:07,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:14:07,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-12-06 19:14:07,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:14:08,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-06 19:14:08,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:14:08,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-12-06 19:14:08,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:14:08,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-12-06 19:14:08,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:14:08,025 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 441 trivial. 0 not checked. [2021-12-06 19:14:08,025 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:14:08,025 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543330951] [2021-12-06 19:14:08,025 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1543330951] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:14:08,025 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:14:08,025 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 19:14:08,025 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2147304193] [2021-12-06 19:14:08,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:14:08,026 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-06 19:14:08,026 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:14:08,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 19:14:08,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-06 19:14:08,026 INFO L87 Difference]: Start difference. First operand 16491 states and 24997 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-12-06 19:14:08,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 19:14:08,898 INFO L93 Difference]: Finished difference Result 16491 states and 24997 transitions. [2021-12-06 19:14:08,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 19:14:08,899 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 136 [2021-12-06 19:14:08,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 19:14:08,953 INFO L225 Difference]: With dead ends: 16491 [2021-12-06 19:14:08,953 INFO L226 Difference]: Without dead ends: 16380 [2021-12-06 19:14:08,963 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-12-06 19:14:08,964 INFO L933 BasicCegarLoop]: 19078 mSDtfsCounter, 19034 mSDsluCounter, 38136 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19034 SdHoareTripleChecker+Valid, 57214 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 19:14:08,964 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [19034 Valid, 57214 Invalid, 19 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 19:14:08,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16380 states. [2021-12-06 19:14:10,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16380 to 16380. [2021-12-06 19:14:10,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16380 states, 11184 states have (on average 1.3657010014306152) internal successors, (15274), 11570 states have internal predecessors, (15274), 4651 states have call successors, (4651), 548 states have call predecessors, (4651), 543 states have return successors, (4951), 4545 states have call predecessors, (4951), 4648 states have call successors, (4951) [2021-12-06 19:14:10,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16380 states to 16380 states and 24876 transitions. [2021-12-06 19:14:10,154 INFO L78 Accepts]: Start accepts. Automaton has 16380 states and 24876 transitions. Word has length 136 [2021-12-06 19:14:10,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 19:14:10,154 INFO L470 AbstractCegarLoop]: Abstraction has 16380 states and 24876 transitions. [2021-12-06 19:14:10,154 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-12-06 19:14:10,154 INFO L276 IsEmpty]: Start isEmpty. Operand 16380 states and 24876 transitions. [2021-12-06 19:14:10,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2021-12-06 19:14:10,159 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 19:14:10,159 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 8, 4, 4, 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] [2021-12-06 19:14:10,159 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-12-06 19:14:10,159 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-12-06 19:14:10,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 19:14:10,159 INFO L85 PathProgramCache]: Analyzing trace with hash -2066356709, now seen corresponding path program 1 times [2021-12-06 19:14:10,159 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 19:14:10,159 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253778941] [2021-12-06 19:14:10,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 19:14:10,160 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 19:14:10,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:14:10,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-06 19:14:10,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:14:10,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 19:14:10,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:14:10,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-06 19:14:10,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:14:10,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:14:10,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:14:10,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2021-12-06 19:14:10,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:14:10,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-12-06 19:14:10,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:14:10,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-12-06 19:14:10,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:14:10,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-06 19:14:10,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:14:10,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:14:10,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:14:10,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 19:14:10,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:14:10,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 19:14:10,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:14:10,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-12-06 19:14:10,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:14:10,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-12-06 19:14:10,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:14:10,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:14:10,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:14:10,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 19:14:10,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:14:10,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 19:14:10,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:14:10,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-06 19:14:10,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:14:10,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2021-12-06 19:14:10,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:14:10,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-06 19:14:10,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:14:10,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:14:10,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:14:10,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-12-06 19:14:10,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:14:11,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:14:11,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:14:11,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:14:11,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:14:11,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-06 19:14:11,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:14:11,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-06 19:14:11,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:14:11,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:14:11,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:14:11,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 19:14:11,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:14:11,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-06 19:14:11,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:14:11,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-12-06 19:14:11,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 19:14:11,254 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2021-12-06 19:14:11,254 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 19:14:11,254 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253778941] [2021-12-06 19:14:11,254 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1253778941] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 19:14:11,254 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 19:14:11,254 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-12-06 19:14:11,255 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316941139] [2021-12-06 19:14:11,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 19:14:11,255 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-12-06 19:14:11,255 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 19:14:11,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-06 19:14:11,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2021-12-06 19:14:11,256 INFO L87 Difference]: Start difference. First operand 16380 states and 24876 transitions. Second operand has 11 states, 11 states have (on average 8.545454545454545) internal successors, (94), 5 states have internal predecessors, (94), 4 states have call successors, (32), 8 states have call predecessors, (32), 2 states have return successors, (26), 3 states have call predecessors, (26), 4 states have call successors, (26) [2021-12-06 19:15:42,615 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 19:15:44,710 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 19:15:46,784 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 19:15:48,895 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 19:15:50,989 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 19:15:53,085 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 19:16:14,318 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 19:16:59,819 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 19:17:01,832 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 19:17:02,973 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 19:17:04,989 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 19:17:06,998 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 19:17:26,459 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 19:17:28,500 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 19:17:53,694 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 19:17:55,827 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 19:17:57,920 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 19:18:00,015 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 19:18:02,109 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 19:18:04,203 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-12-06 19:21:45,479 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 19:21:47,552 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 19:21:49,663 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 19:21:51,759 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 19:21:58,404 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 19:22:00,441 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 19:22:04,380 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 19:22:06,390 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 19:22:08,523 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 19:22:10,535 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []