./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-libertas-libertas.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9c24a88-3ed0-4daf-bb59-6a83ed8fcce6/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9c24a88-3ed0-4daf-bb59-6a83ed8fcce6/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9c24a88-3ed0-4daf-bb59-6a83ed8fcce6/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9c24a88-3ed0-4daf-bb59-6a83ed8fcce6/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-libertas-libertas.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9c24a88-3ed0-4daf-bb59-6a83ed8fcce6/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9c24a88-3ed0-4daf-bb59-6a83ed8fcce6/bin/utaipan-Q6hlc19bkW --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 4687ac26d9c0954104881c19e149279f4abd41fc4f5fabbdda14bb7df065d07d --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-4e7fbc6 [2022-11-23 14:09:46,387 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 14:09:46,390 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 14:09:46,431 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 14:09:46,432 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 14:09:46,436 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 14:09:46,439 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 14:09:46,442 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 14:09:46,444 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 14:09:46,450 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 14:09:46,451 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 14:09:46,454 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 14:09:46,455 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 14:09:46,457 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 14:09:46,459 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 14:09:46,460 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 14:09:46,462 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 14:09:46,463 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 14:09:46,465 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 14:09:46,471 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 14:09:46,473 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 14:09:46,475 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 14:09:46,476 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 14:09:46,477 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 14:09:46,488 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 14:09:46,488 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 14:09:46,489 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 14:09:46,491 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 14:09:46,491 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 14:09:46,492 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 14:09:46,493 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 14:09:46,493 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 14:09:46,497 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 14:09:46,498 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 14:09:46,499 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 14:09:46,499 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 14:09:46,500 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 14:09:46,500 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 14:09:46,501 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 14:09:46,502 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 14:09:46,503 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 14:09:46,504 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9c24a88-3ed0-4daf-bb59-6a83ed8fcce6/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-23 14:09:46,546 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 14:09:46,546 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 14:09:46,547 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 14:09:46,547 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 14:09:46,548 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 14:09:46,548 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 14:09:46,549 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 14:09:46,549 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 14:09:46,549 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 14:09:46,549 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 14:09:46,551 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 14:09:46,551 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 14:09:46,551 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 14:09:46,551 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 14:09:46,552 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 14:09:46,552 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 14:09:46,552 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 14:09:46,552 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 14:09:46,553 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 14:09:46,553 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 14:09:46,554 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 14:09:46,554 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 14:09:46,554 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 14:09:46,554 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 14:09:46,554 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 14:09:46,555 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 14:09:46,555 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 14:09:46,555 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 14:09:46,555 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 14:09:46,556 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:09:46,556 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 14:09:46,556 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 14:09:46,557 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 14:09:46,557 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 14:09:46,557 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 14:09:46,557 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 14:09:46,557 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 14:09:46,558 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 14:09:46,558 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_f9c24a88-3ed0-4daf-bb59-6a83ed8fcce6/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9c24a88-3ed0-4daf-bb59-6a83ed8fcce6/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4687ac26d9c0954104881c19e149279f4abd41fc4f5fabbdda14bb7df065d07d [2022-11-23 14:09:46,807 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 14:09:46,834 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 14:09:46,837 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 14:09:46,838 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 14:09:46,839 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 14:09:46,840 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9c24a88-3ed0-4daf-bb59-6a83ed8fcce6/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-libertas-libertas.cil.i [2022-11-23 14:09:49,829 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 14:09:50,827 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 14:09:50,828 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9c24a88-3ed0-4daf-bb59-6a83ed8fcce6/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-libertas-libertas.cil.i [2022-11-23 14:09:50,915 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9c24a88-3ed0-4daf-bb59-6a83ed8fcce6/bin/utaipan-Q6hlc19bkW/data/26353054a/df712dcc5795428cb11b1cf6bb93b5a9/FLAG727b46042 [2022-11-23 14:09:50,931 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9c24a88-3ed0-4daf-bb59-6a83ed8fcce6/bin/utaipan-Q6hlc19bkW/data/26353054a/df712dcc5795428cb11b1cf6bb93b5a9 [2022-11-23 14:09:50,934 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 14:09:50,937 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 14:09:50,940 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 14:09:50,940 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 14:09:50,944 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 14:09:50,946 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:09:50" (1/1) ... [2022-11-23 14:09:50,947 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6aae3053 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:09:50, skipping insertion in model container [2022-11-23 14:09:50,947 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:09:50" (1/1) ... [2022-11-23 14:09:50,955 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 14:09:51,292 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 14:10:01,500 WARN L237 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_f9c24a88-3ed0-4daf-bb59-6a83ed8fcce6/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-libertas-libertas.cil.i[907373,907386] [2022-11-23 14:10:01,506 WARN L237 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_f9c24a88-3ed0-4daf-bb59-6a83ed8fcce6/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-libertas-libertas.cil.i[907518,907531] [2022-11-23 14:10:01,559 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:10:01,641 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 14:10:02,636 WARN L237 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_f9c24a88-3ed0-4daf-bb59-6a83ed8fcce6/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-libertas-libertas.cil.i[907373,907386] [2022-11-23 14:10:02,637 WARN L237 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_f9c24a88-3ed0-4daf-bb59-6a83ed8fcce6/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-libertas-libertas.cil.i[907518,907531] [2022-11-23 14:10:02,647 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:10:03,195 INFO L208 MainTranslator]: Completed translation [2022-11-23 14:10:03,195 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:10:03 WrapperNode [2022-11-23 14:10:03,196 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 14:10:03,196 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 14:10:03,197 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 14:10:03,197 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 14:10:03,203 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:10:03" (1/1) ... [2022-11-23 14:10:03,469 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:10:03" (1/1) ... [2022-11-23 14:10:04,246 INFO L138 Inliner]: procedures = 896, calls = 11666, calls flagged for inlining = 522, calls inlined = 476, statements flattened = 23696 [2022-11-23 14:10:04,246 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 14:10:04,247 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 14:10:04,247 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 14:10:04,248 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 14:10:04,259 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:10:03" (1/1) ... [2022-11-23 14:10:04,259 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:10:03" (1/1) ... [2022-11-23 14:10:04,413 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:10:03" (1/1) ... [2022-11-23 14:10:04,414 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:10:03" (1/1) ... [2022-11-23 14:10:05,034 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:10:03" (1/1) ... [2022-11-23 14:10:05,091 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:10:03" (1/1) ... [2022-11-23 14:10:05,228 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:10:03" (1/1) ... [2022-11-23 14:10:05,258 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:10:03" (1/1) ... [2022-11-23 14:10:05,407 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 14:10:05,409 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 14:10:05,409 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 14:10:05,409 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 14:10:05,410 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:10:03" (1/1) ... [2022-11-23 14:10:05,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:10:05,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9c24a88-3ed0-4daf-bb59-6a83ed8fcce6/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:10:05,443 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9c24a88-3ed0-4daf-bb59-6a83ed8fcce6/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 14:10:05,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9c24a88-3ed0-4daf-bb59-6a83ed8fcce6/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 14:10:05,491 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_mac_event_disconnected [2022-11-23 14:10:05,492 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_mac_event_disconnected [2022-11-23 14:10:05,492 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_cfg_register [2022-11-23 14:10:05,492 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_cfg_register [2022-11-23 14:10:05,492 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-11-23 14:10:05,492 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_inform_bss [2022-11-23 14:10:05,492 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_inform_bss [2022-11-23 14:10:05,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_open_35_6 [2022-11-23 14:10:05,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_open_35_6 [2022-11-23 14:10:05,493 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-23 14:10:05,493 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-23 14:10:05,493 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_channel [2022-11-23 14:10:05,493 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_channel [2022-11-23 14:10:05,494 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_add_mesh [2022-11-23 14:10:05,494 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_add_mesh [2022-11-23 14:10:05,494 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work [2022-11-23 14:10:05,494 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work [2022-11-23 14:10:05,494 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_should_stop [2022-11-23 14:10:05,495 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_should_stop [2022-11-23 14:10:05,495 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_ps_confirm_sleep [2022-11-23 14:10:05,495 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_ps_confirm_sleep [2022-11-23 14:10:05,495 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_host_sleep_cfg [2022-11-23 14:10:05,495 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_host_sleep_cfg [2022-11-23 14:10:05,496 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-23 14:10:05,496 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-23 14:10:05,497 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-23 14:10:05,497 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer [2022-11-23 14:10:05,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer [2022-11-23 14:10:05,498 INFO L130 BoogieDeclarations]: Found specification of procedure __lbs_cmd_async [2022-11-23 14:10:05,498 INFO L138 BoogieDeclarations]: Found implementation of procedure __lbs_cmd_async [2022-11-23 14:10:05,498 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_wep_keys [2022-11-23 14:10:05,498 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_wep_keys [2022-11-23 14:10:05,499 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_auth_to_authtype [2022-11-23 14:10:05,500 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_auth_to_authtype [2022-11-23 14:10:05,500 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2022-11-23 14:10:05,500 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2022-11-23 14:10:05,501 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-11-23 14:10:05,501 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-11-23 14:10:05,501 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_get_reg [2022-11-23 14:10:05,501 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_get_reg [2022-11-23 14:10:05,501 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_eth_stop [2022-11-23 14:10:05,501 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_eth_stop [2022-11-23 14:10:05,502 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_free_adapter [2022-11-23 14:10:05,502 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_free_adapter [2022-11-23 14:10:05,502 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_iface_active [2022-11-23 14:10:05,502 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_iface_active [2022-11-23 14:10:05,502 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_16_5 [2022-11-23 14:10:05,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_16_5 [2022-11-23 14:10:05,503 INFO L130 BoogieDeclarations]: Found specification of procedure _internal_start_scan [2022-11-23 14:10:05,504 INFO L138 BoogieDeclarations]: Found implementation of procedure _internal_start_scan [2022-11-23 14:10:05,504 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_ps_mode [2022-11-23 14:10:05,504 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_ps_mode [2022-11-23 14:10:05,504 INFO L130 BoogieDeclarations]: Found specification of procedure add_ie_rates [2022-11-23 14:10:05,504 INFO L138 BoogieDeclarations]: Found implementation of procedure add_ie_rates [2022-11-23 14:10:05,504 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_remove_mesh [2022-11-23 14:10:05,504 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_remove_mesh [2022-11-23 14:10:05,505 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_ethtool_get_eeprom_len [2022-11-23 14:10:05,505 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_ethtool_get_eeprom_len [2022-11-23 14:10:05,505 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2022-11-23 14:10:05,505 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2022-11-23 14:10:05,506 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_cmd_async [2022-11-23 14:10:05,506 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_cmd_async [2022-11-23 14:10:05,506 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-23 14:10:05,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-23 14:10:05,506 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 14:10:05,507 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_lbs_exit_module_38_2 [2022-11-23 14:10:05,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_lbs_exit_module_38_2 [2022-11-23 14:10:05,507 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-23 14:10:05,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-23 14:10:05,507 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_netdev_mqs [2022-11-23 14:10:05,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_netdev_mqs [2022-11-23 14:10:05,509 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2022-11-23 14:10:05,509 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2022-11-23 14:10:05,509 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_82 [2022-11-23 14:10:05,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_82 [2022-11-23 14:10:05,510 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_disconnect [2022-11-23 14:10:05,510 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_disconnect [2022-11-23 14:10:05,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_88 [2022-11-23 14:10:05,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_88 [2022-11-23 14:10:05,511 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2022-11-23 14:10:05,512 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2022-11-23 14:10:05,512 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-23 14:10:05,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-23 14:10:05,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-23 14:10:05,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-23 14:10:05,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-23 14:10:05,513 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev [2022-11-23 14:10:05,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev [2022-11-23 14:10:05,513 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-11-23 14:10:05,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-11-23 14:10:05,514 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-11-23 14:10:05,514 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-11-23 14:10:05,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 14:10:05,515 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_mesh_stop [2022-11-23 14:10:05,515 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_mesh_stop [2022-11-23 14:10:05,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-23 14:10:05,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-23 14:10:05,516 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-23 14:10:05,516 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-23 14:10:05,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-23 14:10:05,516 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_complete_command [2022-11-23 14:10:05,516 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_complete_command [2022-11-23 14:10:05,516 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-23 14:10:05,517 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_put_bss [2022-11-23 14:10:05,517 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_put_bss [2022-11-23 14:10:05,517 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-23 14:10:05,517 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-23 14:10:05,518 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_snmp_mib [2022-11-23 14:10:05,519 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_snmp_mib [2022-11-23 14:10:05,521 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_11d_domain_info [2022-11-23 14:10:05,522 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_11d_domain_info [2022-11-23 14:10:05,522 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-23 14:10:05,524 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-23 14:10:05,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-23 14:10:05,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-23 14:10:05,526 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_mac_control [2022-11-23 14:10:05,527 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_mac_control [2022-11-23 14:10:05,527 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-11-23 14:10:05,532 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-11-23 14:10:05,533 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 14:10:05,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 14:10:05,533 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_resume [2022-11-23 14:10:05,533 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_resume [2022-11-23 14:10:05,533 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-23 14:10:05,534 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-23 14:10:05,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-23 14:10:05,534 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_get_chandef_type [2022-11-23 14:10:05,534 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_get_chandef_type [2022-11-23 14:10:05,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_driver_lock_of_lbs_private [2022-11-23 14:10:05,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_driver_lock_of_lbs_private [2022-11-23 14:10:05,535 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-23 14:10:05,535 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-23 14:10:05,535 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-23 14:10:05,535 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-23 14:10:05,535 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2022-11-23 14:10:05,535 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2022-11-23 14:10:05,535 INFO L130 BoogieDeclarations]: Found specification of procedure write_file_dummy [2022-11-23 14:10:05,536 INFO L138 BoogieDeclarations]: Found implementation of procedure write_file_dummy [2022-11-23 14:10:05,536 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-23 14:10:05,536 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-23 14:10:05,536 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_multicast_list [2022-11-23 14:10:05,536 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_multicast_list [2022-11-23 14:10:05,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-23 14:10:05,537 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-23 14:10:05,537 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_thread [2022-11-23 14:10:05,537 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_thread [2022-11-23 14:10:05,537 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2022-11-23 14:10:05,537 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2022-11-23 14:10:05,537 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-11-23 14:10:05,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-11-23 14:10:05,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 14:10:05,538 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-23 14:10:05,538 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-23 14:10:05,538 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_threshold_read [2022-11-23 14:10:05,538 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_threshold_read [2022-11-23 14:10:05,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-23 14:10:05,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_82 [2022-11-23 14:10:05,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_82 [2022-11-23 14:10:05,539 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-23 14:10:05,539 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-23 14:10:05,539 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-23 14:10:05,539 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-23 14:10:05,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_driver_lock_of_lbs_private [2022-11-23 14:10:05,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_driver_lock_of_lbs_private [2022-11-23 14:10:05,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-23 14:10:05,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-23 14:10:05,540 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_bss_get_ie [2022-11-23 14:10:05,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_bss_get_ie [2022-11-23 14:10:05,541 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-23 14:10:05,541 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-23 14:10:05,622 INFO L130 BoogieDeclarations]: Found specification of procedure __lbs_cmd [2022-11-23 14:10:05,622 INFO L138 BoogieDeclarations]: Found implementation of procedure __lbs_cmd [2022-11-23 14:10:05,623 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_command_queue_empty [2022-11-23 14:10:05,623 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_command_queue_empty [2022-11-23 14:10:05,623 INFO L130 BoogieDeclarations]: Found specification of procedure get_zeroed_page [2022-11-23 14:10:05,623 INFO L138 BoogieDeclarations]: Found implementation of procedure get_zeroed_page [2022-11-23 14:10:05,623 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_process_event [2022-11-23 14:10:05,623 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_process_event [2022-11-23 14:10:05,623 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-23 14:10:05,623 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-23 14:10:05,623 INFO L130 BoogieDeclarations]: Found specification of procedure ether_setup [2022-11-23 14:10:05,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_setup [2022-11-23 14:10:05,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 14:10:05,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-23 14:10:05,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-23 14:10:05,624 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_add_mcast_addrs [2022-11-23 14:10:05,624 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_add_mcast_addrs [2022-11-23 14:10:05,624 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_deb_hex___3 [2022-11-23 14:10:05,624 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_deb_hex___3 [2022-11-23 14:10:05,624 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_deb_hex___0 [2022-11-23 14:10:05,624 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_deb_hex___0 [2022-11-23 14:10:05,624 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-11-23 14:10:05,624 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-11-23 14:10:05,624 INFO L130 BoogieDeclarations]: Found specification of procedure default_llseek [2022-11-23 14:10:05,624 INFO L138 BoogieDeclarations]: Found implementation of procedure default_llseek [2022-11-23 14:10:05,624 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_add_ssid_tlv [2022-11-23 14:10:05,625 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_add_ssid_tlv [2022-11-23 14:10:05,625 INFO L130 BoogieDeclarations]: Found specification of procedure __lbs_mesh_config_send [2022-11-23 14:10:05,625 INFO L138 BoogieDeclarations]: Found implementation of procedure __lbs_mesh_config_send [2022-11-23 14:10:05,625 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2022-11-23 14:10:05,625 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2022-11-23 14:10:05,625 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2022-11-23 14:10:05,625 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-23 14:10:05,625 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-23 14:10:05,625 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_mesh_access [2022-11-23 14:10:05,625 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_mesh_access [2022-11-23 14:10:05,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_83 [2022-11-23 14:10:05,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_83 [2022-11-23 14:10:05,625 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-11-23 14:10:05,626 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-11-23 14:10:05,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-23 14:10:05,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-23 14:10:05,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_83 [2022-11-23 14:10:05,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_83 [2022-11-23 14:10:05,626 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-11-23 14:10:05,626 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-11-23 14:10:05,626 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~$Pointer$~X~~u16~0~TO~int [2022-11-23 14:10:05,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~$Pointer$~X~~u16~0~TO~int [2022-11-23 14:10:05,626 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_cfg_free [2022-11-23 14:10:05,626 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_cfg_free [2022-11-23 14:10:05,626 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2022-11-23 14:10:05,626 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2022-11-23 14:10:05,627 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_reg [2022-11-23 14:10:05,627 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_reg [2022-11-23 14:10:05,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-23 14:10:05,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-23 14:10:05,627 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-23 14:10:05,627 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-23 14:10:05,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-23 14:10:05,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-23 14:10:05,627 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2022-11-23 14:10:05,627 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_key_material [2022-11-23 14:10:05,627 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_key_material [2022-11-23 14:10:05,627 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-11-23 14:10:05,627 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-11-23 14:10:05,628 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 14:10:05,628 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2022-11-23 14:10:05,628 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2022-11-23 14:10:05,628 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_sleepparams_read [2022-11-23 14:10:05,628 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_sleepparams_read [2022-11-23 14:10:05,628 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-23 14:10:05,628 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-23 14:10:05,628 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_start_mesh [2022-11-23 14:10:05,628 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_start_mesh [2022-11-23 14:10:05,628 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-11-23 14:10:05,628 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-11-23 14:10:05,629 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-23 14:10:05,629 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-23 14:10:05,629 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-23 14:10:05,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-11-23 14:10:05,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-11-23 14:10:05,629 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_mesh_activated [2022-11-23 14:10:05,629 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_mesh_activated [2022-11-23 14:10:05,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-23 14:10:05,629 INFO L130 BoogieDeclarations]: Found specification of procedure __lbs_complete_command [2022-11-23 14:10:05,629 INFO L138 BoogieDeclarations]: Found implementation of procedure __lbs_complete_command [2022-11-23 14:10:05,629 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_group [2022-11-23 14:10:05,629 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_group [2022-11-23 14:10:05,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-11-23 14:10:05,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-11-23 14:10:05,630 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-23 14:10:05,630 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-23 14:10:05,630 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2022-11-23 14:10:05,630 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2022-11-23 14:10:05,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-23 14:10:05,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-23 14:10:05,630 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-23 14:10:05,630 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-23 14:10:05,630 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_priv [2022-11-23 14:10:05,630 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_priv [2022-11-23 14:10:05,631 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_mesh_dev_open [2022-11-23 14:10:05,631 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_mesh_dev_open [2022-11-23 14:10:05,631 INFO L130 BoogieDeclarations]: Found specification of procedure print_ssid [2022-11-23 14:10:05,631 INFO L138 BoogieDeclarations]: Found implementation of procedure print_ssid [2022-11-23 14:10:05,631 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_remove_wep_keys [2022-11-23 14:10:05,631 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_remove_wep_keys [2022-11-23 14:10:05,631 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-23 14:10:05,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-23 14:10:05,631 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-23 14:10:05,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-23 14:10:05,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-11-23 14:10:05,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-11-23 14:10:05,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-11-23 14:10:05,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-11-23 14:10:05,632 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_update_mcast [2022-11-23 14:10:05,632 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_update_mcast [2022-11-23 14:10:05,632 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-11-23 14:10:05,632 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-11-23 14:10:05,632 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-23 14:10:05,632 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-23 14:10:05,632 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_add_rates [2022-11-23 14:10:05,632 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_add_rates [2022-11-23 14:10:05,632 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2022-11-23 14:10:05,632 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2022-11-23 14:10:05,632 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2022-11-23 14:10:05,633 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2022-11-23 14:10:05,633 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_iface_type [2022-11-23 14:10:05,633 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_iface_type [2022-11-23 14:10:05,633 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_dev_open [2022-11-23 14:10:05,633 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_dev_open [2022-11-23 14:10:05,633 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-23 14:10:05,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-23 14:10:05,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-23 14:10:05,633 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-11-23 14:10:05,633 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-11-23 14:10:05,633 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_mesh_get_channel [2022-11-23 14:10:05,633 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_mesh_get_channel [2022-11-23 14:10:05,633 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_suspend [2022-11-23 14:10:05,634 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_suspend [2022-11-23 14:10:05,634 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_netdev_mqs [2022-11-23 14:10:05,634 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_netdev_mqs [2022-11-23 14:10:05,634 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_get_bss [2022-11-23 14:10:05,634 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_get_bss [2022-11-23 14:10:05,634 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_scan_done [2022-11-23 14:10:05,634 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_scan_done [2022-11-23 14:10:05,634 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-23 14:10:05,634 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-23 14:10:05,634 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2022-11-23 14:10:05,634 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2022-11-23 14:10:05,634 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_deep_sleep [2022-11-23 14:10:05,635 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_deep_sleep [2022-11-23 14:10:05,635 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_deb_hex [2022-11-23 14:10:05,635 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_deb_hex [2022-11-23 14:10:05,635 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-23 14:10:05,635 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-23 14:10:05,635 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_threshold_write [2022-11-23 14:10:05,635 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_threshold_write [2022-11-23 14:10:05,635 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_setup_firmware [2022-11-23 14:10:05,635 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_setup_firmware [2022-11-23 14:10:05,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-23 14:10:05,635 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-11-23 14:10:05,636 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-11-23 14:10:05,636 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_mesh_config [2022-11-23 14:10:05,636 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_mesh_config [2022-11-23 14:10:05,636 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_cmd_802_11_sleep_params [2022-11-23 14:10:05,636 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_cmd_802_11_sleep_params [2022-11-23 14:10:05,636 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-23 14:10:05,636 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-23 14:10:05,636 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_monitor_mode [2022-11-23 14:10:05,636 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_monitor_mode [2022-11-23 14:10:05,636 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count___0 [2022-11-23 14:10:05,637 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count___0 [2022-11-23 14:10:05,637 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count___1 [2022-11-23 14:10:05,637 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count___1 [2022-11-23 14:10:05,637 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count___6 [2022-11-23 14:10:05,637 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count___6 [2022-11-23 14:10:05,637 INFO L130 BoogieDeclarations]: Found specification of procedure simple_read_from_buffer [2022-11-23 14:10:05,637 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_read_from_buffer [2022-11-23 14:10:05,637 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count___4 [2022-11-23 14:10:05,637 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count___4 [2022-11-23 14:10:05,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-23 14:10:05,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-23 14:10:05,638 INFO L130 BoogieDeclarations]: Found specification of procedure free_pages [2022-11-23 14:10:05,638 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pages [2022-11-23 14:10:05,638 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_enable_rsn [2022-11-23 14:10:05,638 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_enable_rsn [2022-11-23 14:10:05,638 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_start_card [2022-11-23 14:10:05,638 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_start_card [2022-11-23 14:10:05,638 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-23 14:10:05,638 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-23 14:10:05,638 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2022-11-23 14:10:05,639 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2022-11-23 14:10:05,639 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_send_mic_failureevent [2022-11-23 14:10:05,639 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_send_mic_failureevent [2022-11-23 14:10:05,639 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_join_post [2022-11-23 14:10:05,639 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_join_post [2022-11-23 14:10:05,639 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-23 14:10:05,639 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-23 14:10:05,639 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2022-11-23 14:10:05,639 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2022-11-23 14:10:05,639 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_stop_iface [2022-11-23 14:10:05,639 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_stop_iface [2022-11-23 14:10:05,639 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_radio [2022-11-23 14:10:05,640 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_radio [2022-11-23 14:10:05,640 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_start_iface [2022-11-23 14:10:05,640 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_start_iface [2022-11-23 14:10:05,640 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-11-23 14:10:05,640 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-11-23 14:10:05,640 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-11-23 14:10:05,640 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-11-23 14:10:05,640 INFO L130 BoogieDeclarations]: Found specification of procedure mesh_get_default_parameters [2022-11-23 14:10:05,640 INFO L138 BoogieDeclarations]: Found implementation of procedure mesh_get_default_parameters [2022-11-23 14:10:05,640 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_debugfs_read [2022-11-23 14:10:05,640 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_debugfs_read [2022-11-23 14:10:05,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-23 14:10:05,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-23 14:10:05,641 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-11-23 14:10:05,641 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-11-23 14:10:05,641 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_mesh_config_send [2022-11-23 14:10:05,641 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_mesh_config_send [2022-11-23 14:10:05,641 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_disconnected [2022-11-23 14:10:05,641 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_disconnected [2022-11-23 14:10:05,641 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-11-23 14:10:05,641 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-11-23 14:10:05,641 INFO L130 BoogieDeclarations]: Found specification of procedure simple_open [2022-11-23 14:10:05,641 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_open [2022-11-23 14:10:05,641 INFO L130 BoogieDeclarations]: Found specification of procedure __lbs_cleanup_and_insert_cmd [2022-11-23 14:10:05,642 INFO L138 BoogieDeclarations]: Found implementation of procedure __lbs_cleanup_and_insert_cmd [2022-11-23 14:10:05,642 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2022-11-23 14:10:05,642 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2022-11-23 14:10:05,642 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_host_sleep [2022-11-23 14:10:05,642 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_host_sleep [2022-11-23 14:10:05,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 14:10:05,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-23 14:10:05,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-23 14:10:05,642 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-11-23 14:10:05,642 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-11-23 14:10:05,643 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2022-11-23 14:10:05,643 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2022-11-23 14:10:07,944 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 14:10:07,952 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 14:10:10,615 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-23 14:20:32,291 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-23 14:20:32,656 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 14:20:39,397 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 14:20:39,397 INFO L300 CfgBuilder]: Removed 11 assume(true) statements. [2022-11-23 14:20:39,412 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:20:39 BoogieIcfgContainer [2022-11-23 14:20:39,413 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 14:20:39,415 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 14:20:39,416 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 14:20:39,419 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 14:20:39,420 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:09:50" (1/3) ... [2022-11-23 14:20:39,421 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ec44f7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:20:39, skipping insertion in model container [2022-11-23 14:20:39,421 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:10:03" (2/3) ... [2022-11-23 14:20:39,421 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ec44f7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:20:39, skipping insertion in model container [2022-11-23 14:20:39,422 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:20:39" (3/3) ... [2022-11-23 14:20:39,423 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-libertas-libertas.cil.i [2022-11-23 14:20:39,446 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 14:20:39,447 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-23 14:20:39,769 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 14:20:39,779 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@25157a4c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 14:20:39,780 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-23 14:20:39,804 INFO L276 IsEmpty]: Start isEmpty. Operand has 5579 states, 3511 states have (on average 1.348903446311592) internal successors, (4736), 3581 states have internal predecessors, (4736), 1876 states have call successors, (1876), 194 states have call predecessors, (1876), 193 states have return successors, (1869), 1857 states have call predecessors, (1869), 1869 states have call successors, (1869) [2022-11-23 14:20:39,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1568 [2022-11-23 14:20:39,976 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:20:39,979 INFO L195 NwaCegarLoop]: trace histogram [151, 150, 150, 150, 150, 150, 150, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:20:39,984 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:20:39,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:20:39,993 INFO L85 PathProgramCache]: Analyzing trace with hash 962891105, now seen corresponding path program 1 times [2022-11-23 14:20:40,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:20:40,008 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482727259] [2022-11-23 14:20:40,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:20:40,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:20:41,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:20:44,841 INFO L134 CoverageAnalysis]: Checked inductivity of 89739 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 89739 trivial. 0 not checked. [2022-11-23 14:20:44,842 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:20:44,842 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482727259] [2022-11-23 14:20:44,843 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [482727259] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:20:44,843 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:20:44,844 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 14:20:44,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555654712] [2022-11-23 14:20:44,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:20:44,856 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 14:20:44,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:20:44,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 14:20:44,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:20:44,919 INFO L87 Difference]: Start difference. First operand has 5579 states, 3511 states have (on average 1.348903446311592) internal successors, (4736), 3581 states have internal predecessors, (4736), 1876 states have call successors, (1876), 194 states have call predecessors, (1876), 193 states have return successors, (1869), 1857 states have call predecessors, (1869), 1869 states have call successors, (1869) Second operand has 3 states, 3 states have (on average 62.0) internal successors, (186), 3 states have internal predecessors, (186), 3 states have call successors, (160), 2 states have call predecessors, (160), 1 states have return successors, (159), 3 states have call predecessors, (159), 3 states have call successors, (159) [2022-11-23 14:20:47,417 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.46s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:20:54,015 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:20:58,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:20:58,053 INFO L93 Difference]: Finished difference Result 14719 states and 22462 transitions. [2022-11-23 14:20:58,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 14:20:58,056 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 62.0) internal successors, (186), 3 states have internal predecessors, (186), 3 states have call successors, (160), 2 states have call predecessors, (160), 1 states have return successors, (159), 3 states have call predecessors, (159), 3 states have call successors, (159) Word has length 1567 [2022-11-23 14:20:58,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:20:58,169 INFO L225 Difference]: With dead ends: 14719 [2022-11-23 14:20:58,169 INFO L226 Difference]: Without dead ends: 9363 [2022-11-23 14:20:58,208 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:20:58,213 INFO L413 NwaCegarLoop]: 8947 mSDtfsCounter, 5879 mSDsluCounter, 7634 mSDsCounter, 0 mSdLazyCounter, 1607 mSolverCounterSat, 13 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5880 SdHoareTripleChecker+Valid, 16581 SdHoareTripleChecker+Invalid, 1622 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1607 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.0s IncrementalHoareTripleChecker+Time [2022-11-23 14:20:58,220 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5880 Valid, 16581 Invalid, 1622 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [13 Valid, 1607 Invalid, 2 Unknown, 0 Unchecked, 12.0s Time] [2022-11-23 14:20:58,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9363 states. [2022-11-23 14:20:59,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9363 to 9359. [2022-11-23 14:20:59,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9359 states, 5925 states have (on average 1.3505485232067511) internal successors, (8002), 6036 states have internal predecessors, (8002), 3097 states have call successors, (3097), 336 states have call predecessors, (3097), 336 states have return successors, (3098), 3082 states have call predecessors, (3098), 3097 states have call successors, (3098) [2022-11-23 14:20:59,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9359 states to 9359 states and 14197 transitions. [2022-11-23 14:20:59,353 INFO L78 Accepts]: Start accepts. Automaton has 9359 states and 14197 transitions. Word has length 1567 [2022-11-23 14:20:59,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:20:59,360 INFO L495 AbstractCegarLoop]: Abstraction has 9359 states and 14197 transitions. [2022-11-23 14:20:59,362 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 62.0) internal successors, (186), 3 states have internal predecessors, (186), 3 states have call successors, (160), 2 states have call predecessors, (160), 1 states have return successors, (159), 3 states have call predecessors, (159), 3 states have call successors, (159) [2022-11-23 14:20:59,362 INFO L276 IsEmpty]: Start isEmpty. Operand 9359 states and 14197 transitions. [2022-11-23 14:20:59,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1576 [2022-11-23 14:20:59,488 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:20:59,489 INFO L195 NwaCegarLoop]: trace histogram [151, 150, 150, 150, 150, 150, 150, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:20:59,490 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 14:20:59,490 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:20:59,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:20:59,491 INFO L85 PathProgramCache]: Analyzing trace with hash -784952244, now seen corresponding path program 1 times [2022-11-23 14:20:59,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:20:59,491 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811678114] [2022-11-23 14:20:59,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:20:59,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:21:00,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:21:02,753 INFO L134 CoverageAnalysis]: Checked inductivity of 89727 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 89727 trivial. 0 not checked. [2022-11-23 14:21:02,754 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:21:02,754 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811678114] [2022-11-23 14:21:02,754 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1811678114] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:21:02,754 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:21:02,755 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 14:21:02,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848034058] [2022-11-23 14:21:02,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:21:02,758 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 14:21:02,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:21:02,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 14:21:02,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:21:02,759 INFO L87 Difference]: Start difference. First operand 9359 states and 14197 transitions. Second operand has 3 states, 3 states have (on average 64.66666666666667) internal successors, (194), 3 states have internal predecessors, (194), 3 states have call successors, (162), 2 states have call predecessors, (162), 1 states have return successors, (159), 3 states have call predecessors, (159), 3 states have call successors, (159) [2022-11-23 14:21:05,268 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.50s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:21:11,982 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:21:13,364 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:21:15,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:21:15,822 INFO L93 Difference]: Finished difference Result 26070 states and 39551 transitions. [2022-11-23 14:21:15,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 14:21:15,823 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 64.66666666666667) internal successors, (194), 3 states have internal predecessors, (194), 3 states have call successors, (162), 2 states have call predecessors, (162), 1 states have return successors, (159), 3 states have call predecessors, (159), 3 states have call successors, (159) Word has length 1575 [2022-11-23 14:21:15,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:21:15,950 INFO L225 Difference]: With dead ends: 26070 [2022-11-23 14:21:15,950 INFO L226 Difference]: Without dead ends: 17012 [2022-11-23 14:21:15,987 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:21:15,988 INFO L413 NwaCegarLoop]: 8894 mSDtfsCounter, 5842 mSDsluCounter, 7563 mSDsCounter, 0 mSdLazyCounter, 1614 mSolverCounterSat, 13 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5843 SdHoareTripleChecker+Valid, 16457 SdHoareTripleChecker+Invalid, 1629 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1614 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.1s IncrementalHoareTripleChecker+Time [2022-11-23 14:21:15,989 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5843 Valid, 16457 Invalid, 1629 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [13 Valid, 1614 Invalid, 2 Unknown, 0 Unchecked, 12.1s Time] [2022-11-23 14:21:16,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17012 states. [2022-11-23 14:21:17,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17012 to 17008. [2022-11-23 14:21:17,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17008 states, 10795 states have (on average 1.3531264474293654) internal successors, (14607), 10988 states have internal predecessors, (14607), 5586 states have call successors, (5586), 626 states have call predecessors, (5586), 626 states have return successors, (5589), 5565 states have call predecessors, (5589), 5586 states have call successors, (5589) [2022-11-23 14:21:17,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17008 states to 17008 states and 25782 transitions. [2022-11-23 14:21:17,233 INFO L78 Accepts]: Start accepts. Automaton has 17008 states and 25782 transitions. Word has length 1575 [2022-11-23 14:21:17,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:21:17,236 INFO L495 AbstractCegarLoop]: Abstraction has 17008 states and 25782 transitions. [2022-11-23 14:21:17,236 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 64.66666666666667) internal successors, (194), 3 states have internal predecessors, (194), 3 states have call successors, (162), 2 states have call predecessors, (162), 1 states have return successors, (159), 3 states have call predecessors, (159), 3 states have call successors, (159) [2022-11-23 14:21:17,237 INFO L276 IsEmpty]: Start isEmpty. Operand 17008 states and 25782 transitions. [2022-11-23 14:21:17,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1559 [2022-11-23 14:21:17,281 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:21:17,282 INFO L195 NwaCegarLoop]: trace histogram [151, 150, 150, 150, 150, 150, 150, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:21:17,283 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 14:21:17,283 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:21:17,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:21:17,285 INFO L85 PathProgramCache]: Analyzing trace with hash 696033776, now seen corresponding path program 1 times [2022-11-23 14:21:17,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:21:17,287 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388939956] [2022-11-23 14:21:17,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:21:17,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:21:18,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:21:20,894 INFO L134 CoverageAnalysis]: Checked inductivity of 89700 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 89700 trivial. 0 not checked. [2022-11-23 14:21:20,894 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:21:20,894 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1388939956] [2022-11-23 14:21:20,894 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1388939956] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:21:20,895 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:21:20,895 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 14:21:20,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113516638] [2022-11-23 14:21:20,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:21:20,897 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 14:21:20,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:21:20,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 14:21:20,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:21:20,898 INFO L87 Difference]: Start difference. First operand 17008 states and 25782 transitions. Second operand has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 3 states have internal predecessors, (202), 3 states have call successors, (157), 2 states have call predecessors, (157), 1 states have return successors, (155), 3 states have call predecessors, (155), 3 states have call successors, (155) [2022-11-23 14:21:22,582 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:21:24,398 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:21:30,969 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:21:34,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:21:34,233 INFO L93 Difference]: Finished difference Result 45285 states and 68728 transitions. [2022-11-23 14:21:34,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 14:21:34,234 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 3 states have internal predecessors, (202), 3 states have call successors, (157), 2 states have call predecessors, (157), 1 states have return successors, (155), 3 states have call predecessors, (155), 3 states have call successors, (155) Word has length 1558 [2022-11-23 14:21:34,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:21:34,392 INFO L225 Difference]: With dead ends: 45285 [2022-11-23 14:21:34,392 INFO L226 Difference]: Without dead ends: 28578 [2022-11-23 14:21:34,469 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:21:34,472 INFO L413 NwaCegarLoop]: 8643 mSDtfsCounter, 4480 mSDsluCounter, 7548 mSDsCounter, 0 mSdLazyCounter, 1629 mSolverCounterSat, 12 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4481 SdHoareTripleChecker+Valid, 16191 SdHoareTripleChecker+Invalid, 1642 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1629 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.2s IncrementalHoareTripleChecker+Time [2022-11-23 14:21:34,474 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4481 Valid, 16191 Invalid, 1642 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [12 Valid, 1629 Invalid, 1 Unknown, 0 Unchecked, 12.2s Time] [2022-11-23 14:21:34,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28578 states. [2022-11-23 14:21:36,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28578 to 28568. [2022-11-23 14:21:36,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28568 states, 18029 states have (on average 1.355205502246381) internal successors, (24433), 18364 states have internal predecessors, (24433), 9456 states have call successors, (9456), 1082 states have call predecessors, (9456), 1082 states have return successors, (9463), 9417 states have call predecessors, (9463), 9456 states have call successors, (9463) [2022-11-23 14:21:36,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28568 states to 28568 states and 43352 transitions. [2022-11-23 14:21:36,663 INFO L78 Accepts]: Start accepts. Automaton has 28568 states and 43352 transitions. Word has length 1558 [2022-11-23 14:21:36,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:21:36,666 INFO L495 AbstractCegarLoop]: Abstraction has 28568 states and 43352 transitions. [2022-11-23 14:21:36,667 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 3 states have internal predecessors, (202), 3 states have call successors, (157), 2 states have call predecessors, (157), 1 states have return successors, (155), 3 states have call predecessors, (155), 3 states have call successors, (155) [2022-11-23 14:21:36,667 INFO L276 IsEmpty]: Start isEmpty. Operand 28568 states and 43352 transitions. [2022-11-23 14:21:36,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1577 [2022-11-23 14:21:36,719 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:21:36,719 INFO L195 NwaCegarLoop]: trace histogram [151, 150, 150, 150, 150, 150, 150, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:21:36,720 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-23 14:21:36,720 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:21:36,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:21:36,722 INFO L85 PathProgramCache]: Analyzing trace with hash 314183400, now seen corresponding path program 1 times [2022-11-23 14:21:36,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:21:36,722 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418231442] [2022-11-23 14:21:36,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:21:36,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:21:37,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:21:39,621 INFO L134 CoverageAnalysis]: Checked inductivity of 89727 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 89727 trivial. 0 not checked. [2022-11-23 14:21:39,621 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:21:39,621 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418231442] [2022-11-23 14:21:39,622 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1418231442] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:21:39,622 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:21:39,622 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 14:21:39,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320297361] [2022-11-23 14:21:39,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:21:39,624 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 14:21:39,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:21:39,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 14:21:39,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:21:39,626 INFO L87 Difference]: Start difference. First operand 28568 states and 43352 transitions. Second operand has 3 states, 3 states have (on average 65.0) internal successors, (195), 3 states have internal predecessors, (195), 3 states have call successors, (162), 2 states have call predecessors, (162), 1 states have return successors, (159), 3 states have call predecessors, (159), 3 states have call successors, (159) [2022-11-23 14:21:42,013 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.38s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:21:49,160 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:21:51,328 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:21:52,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:21:52,769 INFO L93 Difference]: Finished difference Result 83373 states and 126506 transitions. [2022-11-23 14:21:52,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 14:21:52,770 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 65.0) internal successors, (195), 3 states have internal predecessors, (195), 3 states have call successors, (162), 2 states have call predecessors, (162), 1 states have return successors, (159), 3 states have call predecessors, (159), 3 states have call successors, (159) Word has length 1576 [2022-11-23 14:21:52,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:21:53,273 INFO L225 Difference]: With dead ends: 83373 [2022-11-23 14:21:53,274 INFO L226 Difference]: Without dead ends: 55106 [2022-11-23 14:21:53,380 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:21:53,383 INFO L413 NwaCegarLoop]: 8994 mSDtfsCounter, 5841 mSDsluCounter, 7563 mSDsCounter, 0 mSdLazyCounter, 1630 mSolverCounterSat, 13 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5842 SdHoareTripleChecker+Valid, 16557 SdHoareTripleChecker+Invalid, 1645 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1630 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.2s IncrementalHoareTripleChecker+Time [2022-11-23 14:21:53,385 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5842 Valid, 16557 Invalid, 1645 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [13 Valid, 1630 Invalid, 2 Unknown, 0 Unchecked, 11.2s Time] [2022-11-23 14:21:53,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55106 states. [2022-11-23 14:21:57,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55106 to 55100. [2022-11-23 14:21:57,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55100 states, 34845 states have (on average 1.3555172908595208) internal successors, (47233), 35488 states have internal predecessors, (47233), 18136 states have call successors, (18136), 2118 states have call predecessors, (18136), 2118 states have return successors, (18151), 18065 states have call predecessors, (18151), 18136 states have call successors, (18151) [2022-11-23 14:21:58,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55100 states to 55100 states and 83520 transitions. [2022-11-23 14:21:58,020 INFO L78 Accepts]: Start accepts. Automaton has 55100 states and 83520 transitions. Word has length 1576 [2022-11-23 14:21:58,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:21:58,023 INFO L495 AbstractCegarLoop]: Abstraction has 55100 states and 83520 transitions. [2022-11-23 14:21:58,023 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.0) internal successors, (195), 3 states have internal predecessors, (195), 3 states have call successors, (162), 2 states have call predecessors, (162), 1 states have return successors, (159), 3 states have call predecessors, (159), 3 states have call successors, (159) [2022-11-23 14:21:58,023 INFO L276 IsEmpty]: Start isEmpty. Operand 55100 states and 83520 transitions. [2022-11-23 14:21:58,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1578 [2022-11-23 14:21:58,101 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:21:58,102 INFO L195 NwaCegarLoop]: trace histogram [151, 150, 150, 150, 150, 150, 150, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:21:58,102 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-23 14:21:58,103 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:21:58,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:21:58,104 INFO L85 PathProgramCache]: Analyzing trace with hash -1937403320, now seen corresponding path program 1 times [2022-11-23 14:21:58,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:21:58,106 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510915774] [2022-11-23 14:21:58,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:21:58,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:21:59,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:22:00,972 INFO L134 CoverageAnalysis]: Checked inductivity of 89727 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 89727 trivial. 0 not checked. [2022-11-23 14:22:00,972 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:22:00,973 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1510915774] [2022-11-23 14:22:00,973 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1510915774] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:22:00,973 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:22:00,973 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 14:22:00,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867433681] [2022-11-23 14:22:00,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:22:00,975 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 14:22:00,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:22:00,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 14:22:00,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:22:00,977 INFO L87 Difference]: Start difference. First operand 55100 states and 83520 transitions. Second operand has 3 states, 3 states have (on average 65.33333333333333) internal successors, (196), 3 states have internal predecessors, (196), 3 states have call successors, (162), 2 states have call predecessors, (162), 1 states have return successors, (159), 3 states have call predecessors, (159), 3 states have call successors, (159) [2022-11-23 14:22:03,310 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:22:05,098 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:22:13,262 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 14:22:16,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:22:16,541 INFO L93 Difference]: Finished difference Result 162537 states and 246330 transitions. [2022-11-23 14:22:16,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 14:22:16,542 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 65.33333333333333) internal successors, (196), 3 states have internal predecessors, (196), 3 states have call successors, (162), 2 states have call predecessors, (162), 1 states have return successors, (159), 3 states have call predecessors, (159), 3 states have call successors, (159) Word has length 1577 [2022-11-23 14:22:16,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:22:17,267 INFO L225 Difference]: With dead ends: 162537 [2022-11-23 14:22:17,267 INFO L226 Difference]: Without dead ends: 107738 [2022-11-23 14:22:17,471 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:22:17,475 INFO L413 NwaCegarLoop]: 9049 mSDtfsCounter, 5840 mSDsluCounter, 7563 mSDsCounter, 0 mSdLazyCounter, 1644 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5841 SdHoareTripleChecker+Valid, 16612 SdHoareTripleChecker+Invalid, 1658 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1644 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.2s IncrementalHoareTripleChecker+Time [2022-11-23 14:22:17,475 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5841 Valid, 16612 Invalid, 1658 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [13 Valid, 1644 Invalid, 1 Unknown, 0 Unchecked, 12.2s Time] [2022-11-23 14:22:17,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107738 states.