./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 b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4b70983-08f0-4769-87c0-9bfb222db9a8/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4b70983-08f0-4769-87c0-9bfb222db9a8/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4b70983-08f0-4769-87c0-9bfb222db9a8/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4b70983-08f0-4769-87c0-9bfb222db9a8/bin/utaipan-g80aRyZoba/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_e4b70983-08f0-4769-87c0-9bfb222db9a8/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4b70983-08f0-4769-87c0-9bfb222db9a8/bin/utaipan-g80aRyZoba --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-b5237d8 [2022-11-22 00:26:19,280 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 00:26:19,283 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 00:26:19,308 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 00:26:19,308 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 00:26:19,309 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 00:26:19,311 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 00:26:19,313 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 00:26:19,315 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 00:26:19,315 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 00:26:19,317 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 00:26:19,325 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 00:26:19,325 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 00:26:19,333 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 00:26:19,334 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 00:26:19,335 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 00:26:19,336 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 00:26:19,337 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 00:26:19,338 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 00:26:19,340 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 00:26:19,348 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 00:26:19,352 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 00:26:19,356 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 00:26:19,358 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 00:26:19,366 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 00:26:19,370 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 00:26:19,370 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 00:26:19,371 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 00:26:19,373 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 00:26:19,374 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 00:26:19,376 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 00:26:19,376 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 00:26:19,378 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 00:26:19,380 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 00:26:19,381 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 00:26:19,382 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 00:26:19,383 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 00:26:19,383 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 00:26:19,384 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 00:26:19,387 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 00:26:19,388 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 00:26:19,389 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4b70983-08f0-4769-87c0-9bfb222db9a8/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-22 00:26:19,429 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 00:26:19,430 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 00:26:19,431 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 00:26:19,431 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 00:26:19,432 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 00:26:19,432 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 00:26:19,432 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 00:26:19,432 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 00:26:19,433 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 00:26:19,433 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 00:26:19,434 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 00:26:19,434 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 00:26:19,435 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 00:26:19,435 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 00:26:19,435 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 00:26:19,435 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 00:26:19,435 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 00:26:19,436 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 00:26:19,436 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 00:26:19,437 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 00:26:19,437 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 00:26:19,437 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 00:26:19,437 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 00:26:19,438 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 00:26:19,438 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 00:26:19,438 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 00:26:19,439 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 00:26:19,439 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 00:26:19,439 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 00:26:19,439 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 00:26:19,440 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 00:26:19,440 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 00:26:19,440 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 00:26:19,441 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 00:26:19,441 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 00:26:19,441 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 00:26:19,441 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 00:26:19,441 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 00:26:19,442 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_e4b70983-08f0-4769-87c0-9bfb222db9a8/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4b70983-08f0-4769-87c0-9bfb222db9a8/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4687ac26d9c0954104881c19e149279f4abd41fc4f5fabbdda14bb7df065d07d [2022-11-22 00:26:19,730 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 00:26:19,765 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 00:26:19,768 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 00:26:19,769 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 00:26:19,770 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 00:26:19,771 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4b70983-08f0-4769-87c0-9bfb222db9a8/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-libertas-libertas.cil.i [2022-11-22 00:26:22,950 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 00:26:23,900 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 00:26:23,901 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4b70983-08f0-4769-87c0-9bfb222db9a8/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-libertas-libertas.cil.i [2022-11-22 00:26:23,978 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4b70983-08f0-4769-87c0-9bfb222db9a8/bin/utaipan-g80aRyZoba/data/2f4b80928/3b34d562b0964929818ddb244ca89b95/FLAG98f056611 [2022-11-22 00:26:23,995 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4b70983-08f0-4769-87c0-9bfb222db9a8/bin/utaipan-g80aRyZoba/data/2f4b80928/3b34d562b0964929818ddb244ca89b95 [2022-11-22 00:26:23,999 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 00:26:24,000 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 00:26:24,002 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 00:26:24,002 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 00:26:24,006 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 00:26:24,008 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:26:23" (1/1) ... [2022-11-22 00:26:24,009 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38465421 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:26:24, skipping insertion in model container [2022-11-22 00:26:24,009 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:26:23" (1/1) ... [2022-11-22 00:26:24,017 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 00:26:24,398 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 00:26:34,603 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_e4b70983-08f0-4769-87c0-9bfb222db9a8/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-libertas-libertas.cil.i[907373,907386] [2022-11-22 00:26:34,608 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_e4b70983-08f0-4769-87c0-9bfb222db9a8/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-libertas-libertas.cil.i[907518,907531] [2022-11-22 00:26:34,659 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 00:26:34,729 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 00:26:35,766 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_e4b70983-08f0-4769-87c0-9bfb222db9a8/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-libertas-libertas.cil.i[907373,907386] [2022-11-22 00:26:35,767 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_e4b70983-08f0-4769-87c0-9bfb222db9a8/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-libertas-libertas.cil.i[907518,907531] [2022-11-22 00:26:35,777 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 00:26:36,307 INFO L208 MainTranslator]: Completed translation [2022-11-22 00:26:36,308 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:26:36 WrapperNode [2022-11-22 00:26:36,308 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 00:26:36,309 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 00:26:36,310 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 00:26:36,310 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 00:26:36,317 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:26:36" (1/1) ... [2022-11-22 00:26:36,627 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:26:36" (1/1) ... [2022-11-22 00:26:37,252 INFO L138 Inliner]: procedures = 896, calls = 11666, calls flagged for inlining = 522, calls inlined = 476, statements flattened = 23696 [2022-11-22 00:26:37,253 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 00:26:37,253 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 00:26:37,257 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 00:26:37,258 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 00:26:37,269 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:26:36" (1/1) ... [2022-11-22 00:26:37,270 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:26:36" (1/1) ... [2022-11-22 00:26:37,370 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:26:36" (1/1) ... [2022-11-22 00:26:37,372 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:26:36" (1/1) ... [2022-11-22 00:26:37,871 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:26:36" (1/1) ... [2022-11-22 00:26:37,946 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:26:36" (1/1) ... [2022-11-22 00:26:38,071 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:26:36" (1/1) ... [2022-11-22 00:26:38,118 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:26:36" (1/1) ... [2022-11-22 00:26:38,218 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 00:26:38,219 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 00:26:38,220 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 00:26:38,220 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 00:26:38,221 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:26:36" (1/1) ... [2022-11-22 00:26:38,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 00:26:38,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4b70983-08f0-4769-87c0-9bfb222db9a8/bin/utaipan-g80aRyZoba/z3 [2022-11-22 00:26:38,254 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4b70983-08f0-4769-87c0-9bfb222db9a8/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 00:26:38,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4b70983-08f0-4769-87c0-9bfb222db9a8/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 00:26:38,305 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_mac_event_disconnected [2022-11-22 00:26:38,305 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_mac_event_disconnected [2022-11-22 00:26:38,306 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_cfg_register [2022-11-22 00:26:38,306 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_cfg_register [2022-11-22 00:26:38,306 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-11-22 00:26:38,306 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_inform_bss [2022-11-22 00:26:38,306 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_inform_bss [2022-11-22 00:26:38,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_open_35_6 [2022-11-22 00:26:38,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_open_35_6 [2022-11-22 00:26:38,307 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-22 00:26:38,307 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-22 00:26:38,307 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_channel [2022-11-22 00:26:38,307 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_channel [2022-11-22 00:26:38,307 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_add_mesh [2022-11-22 00:26:38,308 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_add_mesh [2022-11-22 00:26:38,308 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work [2022-11-22 00:26:38,308 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work [2022-11-22 00:26:38,308 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_should_stop [2022-11-22 00:26:38,309 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_should_stop [2022-11-22 00:26:38,309 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_ps_confirm_sleep [2022-11-22 00:26:38,309 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_ps_confirm_sleep [2022-11-22 00:26:38,309 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_host_sleep_cfg [2022-11-22 00:26:38,309 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_host_sleep_cfg [2022-11-22 00:26:38,310 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-22 00:26:38,310 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-22 00:26:38,311 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-22 00:26:38,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer [2022-11-22 00:26:38,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer [2022-11-22 00:26:38,312 INFO L130 BoogieDeclarations]: Found specification of procedure __lbs_cmd_async [2022-11-22 00:26:38,312 INFO L138 BoogieDeclarations]: Found implementation of procedure __lbs_cmd_async [2022-11-22 00:26:38,312 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_wep_keys [2022-11-22 00:26:38,312 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_wep_keys [2022-11-22 00:26:38,313 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_auth_to_authtype [2022-11-22 00:26:38,313 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_auth_to_authtype [2022-11-22 00:26:38,313 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2022-11-22 00:26:38,313 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2022-11-22 00:26:38,313 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-11-22 00:26:38,314 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-11-22 00:26:38,314 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_get_reg [2022-11-22 00:26:38,314 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_get_reg [2022-11-22 00:26:38,314 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_eth_stop [2022-11-22 00:26:38,314 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_eth_stop [2022-11-22 00:26:38,314 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_free_adapter [2022-11-22 00:26:38,315 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_free_adapter [2022-11-22 00:26:38,315 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_iface_active [2022-11-22 00:26:38,315 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_iface_active [2022-11-22 00:26:38,315 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_16_5 [2022-11-22 00:26:38,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_16_5 [2022-11-22 00:26:38,316 INFO L130 BoogieDeclarations]: Found specification of procedure _internal_start_scan [2022-11-22 00:26:38,316 INFO L138 BoogieDeclarations]: Found implementation of procedure _internal_start_scan [2022-11-22 00:26:38,317 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_ps_mode [2022-11-22 00:26:38,317 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_ps_mode [2022-11-22 00:26:38,317 INFO L130 BoogieDeclarations]: Found specification of procedure add_ie_rates [2022-11-22 00:26:38,317 INFO L138 BoogieDeclarations]: Found implementation of procedure add_ie_rates [2022-11-22 00:26:38,317 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_remove_mesh [2022-11-22 00:26:38,317 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_remove_mesh [2022-11-22 00:26:38,318 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_ethtool_get_eeprom_len [2022-11-22 00:26:38,318 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_ethtool_get_eeprom_len [2022-11-22 00:26:38,318 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2022-11-22 00:26:38,319 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2022-11-22 00:26:38,319 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_cmd_async [2022-11-22 00:26:38,319 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_cmd_async [2022-11-22 00:26:38,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-22 00:26:38,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-22 00:26:38,319 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-22 00:26:38,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_lbs_exit_module_38_2 [2022-11-22 00:26:38,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_lbs_exit_module_38_2 [2022-11-22 00:26:38,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-22 00:26:38,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-22 00:26:38,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_netdev_mqs [2022-11-22 00:26:38,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_netdev_mqs [2022-11-22 00:26:38,322 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2022-11-22 00:26:38,323 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2022-11-22 00:26:38,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_82 [2022-11-22 00:26:38,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_82 [2022-11-22 00:26:38,323 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_disconnect [2022-11-22 00:26:38,323 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_disconnect [2022-11-22 00:26:38,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_88 [2022-11-22 00:26:38,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_88 [2022-11-22 00:26:38,325 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2022-11-22 00:26:38,325 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2022-11-22 00:26:38,325 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-22 00:26:38,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-22 00:26:38,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-22 00:26:38,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-22 00:26:38,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-22 00:26:38,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev [2022-11-22 00:26:38,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev [2022-11-22 00:26:38,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-11-22 00:26:38,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-11-22 00:26:38,327 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-11-22 00:26:38,327 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-11-22 00:26:38,328 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 00:26:38,328 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_mesh_stop [2022-11-22 00:26:38,328 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_mesh_stop [2022-11-22 00:26:38,328 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-22 00:26:38,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-22 00:26:38,329 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-22 00:26:38,329 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-22 00:26:38,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-22 00:26:38,329 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_complete_command [2022-11-22 00:26:38,330 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_complete_command [2022-11-22 00:26:38,330 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-22 00:26:38,330 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_put_bss [2022-11-22 00:26:38,330 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_put_bss [2022-11-22 00:26:38,330 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-22 00:26:38,330 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-22 00:26:38,331 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_snmp_mib [2022-11-22 00:26:38,332 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_snmp_mib [2022-11-22 00:26:38,335 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_11d_domain_info [2022-11-22 00:26:38,336 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_11d_domain_info [2022-11-22 00:26:38,336 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-22 00:26:38,338 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-22 00:26:38,339 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-22 00:26:38,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-22 00:26:38,340 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_mac_control [2022-11-22 00:26:38,340 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_mac_control [2022-11-22 00:26:38,340 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-11-22 00:26:38,345 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-11-22 00:26:38,345 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 00:26:38,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 00:26:38,345 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_resume [2022-11-22 00:26:38,345 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_resume [2022-11-22 00:26:38,346 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-22 00:26:38,346 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-22 00:26:38,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-22 00:26:38,346 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_get_chandef_type [2022-11-22 00:26:38,346 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_get_chandef_type [2022-11-22 00:26:38,346 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_driver_lock_of_lbs_private [2022-11-22 00:26:38,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_driver_lock_of_lbs_private [2022-11-22 00:26:38,347 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-22 00:26:38,347 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-22 00:26:38,347 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-22 00:26:38,347 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-22 00:26:38,347 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2022-11-22 00:26:38,347 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2022-11-22 00:26:38,348 INFO L130 BoogieDeclarations]: Found specification of procedure write_file_dummy [2022-11-22 00:26:38,348 INFO L138 BoogieDeclarations]: Found implementation of procedure write_file_dummy [2022-11-22 00:26:38,348 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-22 00:26:38,348 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-22 00:26:38,348 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_multicast_list [2022-11-22 00:26:38,348 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_multicast_list [2022-11-22 00:26:38,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-22 00:26:38,349 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-22 00:26:38,349 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_thread [2022-11-22 00:26:38,349 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_thread [2022-11-22 00:26:38,349 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2022-11-22 00:26:38,349 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2022-11-22 00:26:38,349 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-11-22 00:26:38,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-11-22 00:26:38,350 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-22 00:26:38,350 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-22 00:26:38,350 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-22 00:26:38,350 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_threshold_read [2022-11-22 00:26:38,350 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_threshold_read [2022-11-22 00:26:38,350 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-22 00:26:38,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_82 [2022-11-22 00:26:38,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_82 [2022-11-22 00:26:38,351 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-22 00:26:38,351 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-22 00:26:38,351 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-22 00:26:38,351 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-22 00:26:38,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_driver_lock_of_lbs_private [2022-11-22 00:26:38,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_driver_lock_of_lbs_private [2022-11-22 00:26:38,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-22 00:26:38,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-22 00:26:38,352 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_bss_get_ie [2022-11-22 00:26:38,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_bss_get_ie [2022-11-22 00:26:38,354 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-22 00:26:38,354 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-22 00:26:38,354 INFO L130 BoogieDeclarations]: Found specification of procedure __lbs_cmd [2022-11-22 00:26:38,355 INFO L138 BoogieDeclarations]: Found implementation of procedure __lbs_cmd [2022-11-22 00:26:38,355 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_command_queue_empty [2022-11-22 00:26:38,355 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_command_queue_empty [2022-11-22 00:26:38,355 INFO L130 BoogieDeclarations]: Found specification of procedure get_zeroed_page [2022-11-22 00:26:38,355 INFO L138 BoogieDeclarations]: Found implementation of procedure get_zeroed_page [2022-11-22 00:26:38,355 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_process_event [2022-11-22 00:26:38,355 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_process_event [2022-11-22 00:26:38,356 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-22 00:26:38,356 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-22 00:26:38,356 INFO L130 BoogieDeclarations]: Found specification of procedure ether_setup [2022-11-22 00:26:38,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_setup [2022-11-22 00:26:38,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-22 00:26:38,356 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-22 00:26:38,356 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-22 00:26:38,357 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_add_mcast_addrs [2022-11-22 00:26:38,357 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_add_mcast_addrs [2022-11-22 00:26:38,357 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_deb_hex___3 [2022-11-22 00:26:38,357 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_deb_hex___3 [2022-11-22 00:26:38,357 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_deb_hex___0 [2022-11-22 00:26:38,357 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_deb_hex___0 [2022-11-22 00:26:38,357 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-11-22 00:26:38,358 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-11-22 00:26:38,358 INFO L130 BoogieDeclarations]: Found specification of procedure default_llseek [2022-11-22 00:26:38,358 INFO L138 BoogieDeclarations]: Found implementation of procedure default_llseek [2022-11-22 00:26:38,358 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_add_ssid_tlv [2022-11-22 00:26:38,358 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_add_ssid_tlv [2022-11-22 00:26:38,358 INFO L130 BoogieDeclarations]: Found specification of procedure __lbs_mesh_config_send [2022-11-22 00:26:38,358 INFO L138 BoogieDeclarations]: Found implementation of procedure __lbs_mesh_config_send [2022-11-22 00:26:38,358 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2022-11-22 00:26:38,359 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2022-11-22 00:26:38,359 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2022-11-22 00:26:38,359 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-22 00:26:38,359 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-22 00:26:38,359 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_mesh_access [2022-11-22 00:26:38,359 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_mesh_access [2022-11-22 00:26:38,359 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_83 [2022-11-22 00:26:38,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_83 [2022-11-22 00:26:38,360 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-11-22 00:26:38,360 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-11-22 00:26:38,360 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-22 00:26:38,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-22 00:26:38,360 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_83 [2022-11-22 00:26:38,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_83 [2022-11-22 00:26:38,361 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-11-22 00:26:38,361 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-11-22 00:26:38,361 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~$Pointer$~X~~u16~0~TO~int [2022-11-22 00:26:38,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~$Pointer$~X~~u16~0~TO~int [2022-11-22 00:26:38,361 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_cfg_free [2022-11-22 00:26:38,361 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_cfg_free [2022-11-22 00:26:38,361 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2022-11-22 00:26:38,361 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2022-11-22 00:26:38,362 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_reg [2022-11-22 00:26:38,362 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_reg [2022-11-22 00:26:38,362 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-22 00:26:38,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-22 00:26:38,362 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-22 00:26:38,362 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-22 00:26:38,362 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-22 00:26:38,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-22 00:26:38,363 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2022-11-22 00:26:38,363 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_key_material [2022-11-22 00:26:38,363 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_key_material [2022-11-22 00:26:38,363 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-11-22 00:26:38,363 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-11-22 00:26:38,364 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 00:26:38,368 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2022-11-22 00:26:38,368 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2022-11-22 00:26:38,368 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_sleepparams_read [2022-11-22 00:26:38,368 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_sleepparams_read [2022-11-22 00:26:38,369 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-22 00:26:38,369 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-22 00:26:38,369 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_start_mesh [2022-11-22 00:26:38,369 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_start_mesh [2022-11-22 00:26:38,369 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-11-22 00:26:38,370 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-11-22 00:26:38,371 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-22 00:26:38,371 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-22 00:26:38,372 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-22 00:26:38,372 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-11-22 00:26:38,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-11-22 00:26:38,372 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_mesh_activated [2022-11-22 00:26:38,372 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_mesh_activated [2022-11-22 00:26:38,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-22 00:26:38,372 INFO L130 BoogieDeclarations]: Found specification of procedure __lbs_complete_command [2022-11-22 00:26:38,372 INFO L138 BoogieDeclarations]: Found implementation of procedure __lbs_complete_command [2022-11-22 00:26:38,373 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_group [2022-11-22 00:26:38,373 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_group [2022-11-22 00:26:38,373 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-11-22 00:26:38,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-11-22 00:26:38,373 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-22 00:26:38,373 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-22 00:26:38,373 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2022-11-22 00:26:38,373 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2022-11-22 00:26:38,374 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-22 00:26:38,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-22 00:26:38,374 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-22 00:26:38,374 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-22 00:26:38,374 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_priv [2022-11-22 00:26:38,374 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_priv [2022-11-22 00:26:38,374 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_mesh_dev_open [2022-11-22 00:26:38,374 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_mesh_dev_open [2022-11-22 00:26:38,375 INFO L130 BoogieDeclarations]: Found specification of procedure print_ssid [2022-11-22 00:26:38,375 INFO L138 BoogieDeclarations]: Found implementation of procedure print_ssid [2022-11-22 00:26:38,375 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_remove_wep_keys [2022-11-22 00:26:38,375 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_remove_wep_keys [2022-11-22 00:26:38,375 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-22 00:26:38,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-22 00:26:38,375 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-22 00:26:38,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-22 00:26:38,376 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2022-11-22 00:26:38,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2022-11-22 00:26:38,376 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2022-11-22 00:26:38,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2022-11-22 00:26:38,376 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_update_mcast [2022-11-22 00:26:38,376 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_update_mcast [2022-11-22 00:26:38,376 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-11-22 00:26:38,376 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-11-22 00:26:38,377 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-22 00:26:38,377 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-22 00:26:38,377 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_add_rates [2022-11-22 00:26:38,377 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_add_rates [2022-11-22 00:26:38,377 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2022-11-22 00:26:38,377 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2022-11-22 00:26:38,377 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2022-11-22 00:26:38,377 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2022-11-22 00:26:38,377 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_iface_type [2022-11-22 00:26:38,378 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_iface_type [2022-11-22 00:26:38,378 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_dev_open [2022-11-22 00:26:38,378 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_dev_open [2022-11-22 00:26:38,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-22 00:26:38,378 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-22 00:26:38,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-22 00:26:38,378 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-11-22 00:26:38,378 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-11-22 00:26:38,379 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_mesh_get_channel [2022-11-22 00:26:38,379 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_mesh_get_channel [2022-11-22 00:26:38,379 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_suspend [2022-11-22 00:26:38,379 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_suspend [2022-11-22 00:26:38,379 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_netdev_mqs [2022-11-22 00:26:38,379 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_netdev_mqs [2022-11-22 00:26:38,379 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_get_bss [2022-11-22 00:26:38,379 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_get_bss [2022-11-22 00:26:38,380 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_scan_done [2022-11-22 00:26:38,380 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_scan_done [2022-11-22 00:26:38,380 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-22 00:26:38,380 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-22 00:26:38,380 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2022-11-22 00:26:38,380 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2022-11-22 00:26:38,380 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_deep_sleep [2022-11-22 00:26:38,380 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_deep_sleep [2022-11-22 00:26:38,380 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_deb_hex [2022-11-22 00:26:38,381 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_deb_hex [2022-11-22 00:26:38,381 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-22 00:26:38,381 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-22 00:26:38,381 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_threshold_write [2022-11-22 00:26:38,381 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_threshold_write [2022-11-22 00:26:38,381 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_setup_firmware [2022-11-22 00:26:38,381 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_setup_firmware [2022-11-22 00:26:38,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-22 00:26:38,382 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-11-22 00:26:38,382 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-11-22 00:26:38,382 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_mesh_config [2022-11-22 00:26:38,382 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_mesh_config [2022-11-22 00:26:38,382 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_cmd_802_11_sleep_params [2022-11-22 00:26:38,382 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_cmd_802_11_sleep_params [2022-11-22 00:26:38,382 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-22 00:26:38,382 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-22 00:26:38,382 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_monitor_mode [2022-11-22 00:26:38,383 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_monitor_mode [2022-11-22 00:26:38,383 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count___0 [2022-11-22 00:26:38,383 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count___0 [2022-11-22 00:26:38,383 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count___1 [2022-11-22 00:26:38,383 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count___1 [2022-11-22 00:26:38,383 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count___6 [2022-11-22 00:26:38,383 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count___6 [2022-11-22 00:26:38,383 INFO L130 BoogieDeclarations]: Found specification of procedure simple_read_from_buffer [2022-11-22 00:26:38,384 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_read_from_buffer [2022-11-22 00:26:38,384 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count___4 [2022-11-22 00:26:38,384 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count___4 [2022-11-22 00:26:38,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-22 00:26:38,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-22 00:26:38,384 INFO L130 BoogieDeclarations]: Found specification of procedure free_pages [2022-11-22 00:26:38,384 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pages [2022-11-22 00:26:38,384 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_enable_rsn [2022-11-22 00:26:38,385 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_enable_rsn [2022-11-22 00:26:38,385 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_start_card [2022-11-22 00:26:38,385 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_start_card [2022-11-22 00:26:38,385 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-22 00:26:38,385 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-22 00:26:38,385 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2022-11-22 00:26:38,385 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2022-11-22 00:26:38,385 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_send_mic_failureevent [2022-11-22 00:26:38,386 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_send_mic_failureevent [2022-11-22 00:26:38,386 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_join_post [2022-11-22 00:26:38,386 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_join_post [2022-11-22 00:26:38,386 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-22 00:26:38,386 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-22 00:26:38,386 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2022-11-22 00:26:38,386 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2022-11-22 00:26:38,386 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_stop_iface [2022-11-22 00:26:38,387 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_stop_iface [2022-11-22 00:26:38,387 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_radio [2022-11-22 00:26:38,388 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_radio [2022-11-22 00:26:38,388 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_start_iface [2022-11-22 00:26:38,388 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_start_iface [2022-11-22 00:26:38,388 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-11-22 00:26:38,388 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-11-22 00:26:38,388 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-11-22 00:26:38,388 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-11-22 00:26:38,389 INFO L130 BoogieDeclarations]: Found specification of procedure mesh_get_default_parameters [2022-11-22 00:26:38,389 INFO L138 BoogieDeclarations]: Found implementation of procedure mesh_get_default_parameters [2022-11-22 00:26:38,389 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_debugfs_read [2022-11-22 00:26:38,389 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_debugfs_read [2022-11-22 00:26:38,389 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-22 00:26:38,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-22 00:26:38,389 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-11-22 00:26:38,389 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-11-22 00:26:38,390 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_mesh_config_send [2022-11-22 00:26:38,390 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_mesh_config_send [2022-11-22 00:26:38,390 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_disconnected [2022-11-22 00:26:38,390 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_disconnected [2022-11-22 00:26:38,390 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-11-22 00:26:38,390 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-11-22 00:26:38,390 INFO L130 BoogieDeclarations]: Found specification of procedure simple_open [2022-11-22 00:26:38,390 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_open [2022-11-22 00:26:38,391 INFO L130 BoogieDeclarations]: Found specification of procedure __lbs_cleanup_and_insert_cmd [2022-11-22 00:26:38,391 INFO L138 BoogieDeclarations]: Found implementation of procedure __lbs_cleanup_and_insert_cmd [2022-11-22 00:26:38,391 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2022-11-22 00:26:38,391 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2022-11-22 00:26:38,391 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_host_sleep [2022-11-22 00:26:38,391 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_host_sleep [2022-11-22 00:26:38,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 00:26:38,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-22 00:26:38,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-22 00:26:38,392 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-11-22 00:26:38,392 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-11-22 00:26:38,392 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2022-11-22 00:26:38,392 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2022-11-22 00:26:40,827 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 00:26:40,835 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 00:26:43,561 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-22 00:35:37,726 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-22 00:35:38,036 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 00:35:44,187 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 00:35:44,187 INFO L300 CfgBuilder]: Removed 11 assume(true) statements. [2022-11-22 00:35:44,196 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:35:44 BoogieIcfgContainer [2022-11-22 00:35:44,196 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 00:35:44,199 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 00:35:44,199 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 00:35:44,202 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 00:35:44,203 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 12:26:23" (1/3) ... [2022-11-22 00:35:44,203 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36926cdb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:35:44, skipping insertion in model container [2022-11-22 00:35:44,203 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:26:36" (2/3) ... [2022-11-22 00:35:44,204 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36926cdb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:35:44, skipping insertion in model container [2022-11-22 00:35:44,204 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:35:44" (3/3) ... [2022-11-22 00:35:44,205 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-libertas-libertas.cil.i [2022-11-22 00:35:44,221 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 00:35:44,221 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-22 00:35:44,363 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 00:35:44,370 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;@e6dd26d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 00:35:44,370 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-22 00:35:44,389 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) [2022-11-22 00:35:44,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1568 [2022-11-22 00:35:44,521 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:35:44,522 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] [2022-11-22 00:35:44,523 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 00:35:44,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:35:44,529 INFO L85 PathProgramCache]: Analyzing trace with hash 962891105, now seen corresponding path program 1 times [2022-11-22 00:35:44,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:35:44,540 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022333579] [2022-11-22 00:35:44,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:35:44,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:35:45,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:35:49,098 INFO L134 CoverageAnalysis]: Checked inductivity of 89739 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 89739 trivial. 0 not checked. [2022-11-22 00:35:49,099 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:35:49,099 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2022333579] [2022-11-22 00:35:49,100 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2022333579] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:35:49,100 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:35:49,100 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 00:35:49,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120789185] [2022-11-22 00:35:49,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:35:49,109 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 00:35:49,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:35:49,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 00:35:49,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:35:49,153 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) [2022-11-22 00:35:50,961 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 [] [2022-11-22 00:35:52,945 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:35:59,263 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:36:02,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:36:02,627 INFO L93 Difference]: Finished difference Result 14719 states and 22462 transitions. [2022-11-22 00:36:02,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 00:36:02,630 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 [2022-11-22 00:36:02,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:36:02,714 INFO L225 Difference]: With dead ends: 14719 [2022-11-22 00:36:02,714 INFO L226 Difference]: Without dead ends: 9363 [2022-11-22 00:36:02,751 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 [2022-11-22 00:36:02,754 INFO L413 NwaCegarLoop]: 8947 mSDtfsCounter, 5879 mSDsluCounter, 7634 mSDsCounter, 0 mSdLazyCounter, 1609 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5880 SdHoareTripleChecker+Valid, 16581 SdHoareTripleChecker+Invalid, 1623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1609 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.6s IncrementalHoareTripleChecker+Time [2022-11-22 00:36:02,755 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5880 Valid, 16581 Invalid, 1623 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [13 Valid, 1609 Invalid, 1 Unknown, 0 Unchecked, 12.6s Time] [2022-11-22 00:36:02,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9363 states. [2022-11-22 00:36:03,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9363 to 9359. [2022-11-22 00:36:03,523 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) [2022-11-22 00:36:03,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9359 states to 9359 states and 14197 transitions. [2022-11-22 00:36:03,620 INFO L78 Accepts]: Start accepts. Automaton has 9359 states and 14197 transitions. Word has length 1567 [2022-11-22 00:36:03,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:36:03,625 INFO L495 AbstractCegarLoop]: Abstraction has 9359 states and 14197 transitions. [2022-11-22 00:36:03,625 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) [2022-11-22 00:36:03,626 INFO L276 IsEmpty]: Start isEmpty. Operand 9359 states and 14197 transitions. [2022-11-22 00:36:03,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1576 [2022-11-22 00:36:03,743 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:36:03,744 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] [2022-11-22 00:36:03,745 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-22 00:36:03,745 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 00:36:03,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:36:03,746 INFO L85 PathProgramCache]: Analyzing trace with hash -784952244, now seen corresponding path program 1 times [2022-11-22 00:36:03,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:36:03,747 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541357650] [2022-11-22 00:36:03,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:36:03,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:36:04,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:36:07,899 INFO L134 CoverageAnalysis]: Checked inductivity of 89727 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 89727 trivial. 0 not checked. [2022-11-22 00:36:07,900 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:36:07,900 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541357650] [2022-11-22 00:36:07,900 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [541357650] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:36:07,900 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:36:07,900 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 00:36:07,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224400904] [2022-11-22 00:36:07,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:36:07,905 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 00:36:07,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:36:07,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 00:36:07,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:36:07,922 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) [2022-11-22 00:36:10,325 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.39s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:36:16,793 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:36:19,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:36:19,733 INFO L93 Difference]: Finished difference Result 26070 states and 39551 transitions. [2022-11-22 00:36:19,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 00:36:19,735 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 [2022-11-22 00:36:19,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:36:19,868 INFO L225 Difference]: With dead ends: 26070 [2022-11-22 00:36:19,869 INFO L226 Difference]: Without dead ends: 17012 [2022-11-22 00:36:19,922 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 [2022-11-22 00:36:19,923 INFO L413 NwaCegarLoop]: 8894 mSDtfsCounter, 5842 mSDsluCounter, 7563 mSDsCounter, 0 mSdLazyCounter, 1614 mSolverCounterSat, 13 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.3s 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, 10.9s IncrementalHoareTripleChecker+Time [2022-11-22 00:36:19,924 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5843 Valid, 16457 Invalid, 1629 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [13 Valid, 1614 Invalid, 2 Unknown, 0 Unchecked, 10.9s Time] [2022-11-22 00:36:19,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17012 states. [2022-11-22 00:36:21,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17012 to 17008. [2022-11-22 00:36:21,647 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) [2022-11-22 00:36:21,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17008 states to 17008 states and 25782 transitions. [2022-11-22 00:36:21,756 INFO L78 Accepts]: Start accepts. Automaton has 17008 states and 25782 transitions. Word has length 1575 [2022-11-22 00:36:21,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:36:21,761 INFO L495 AbstractCegarLoop]: Abstraction has 17008 states and 25782 transitions. [2022-11-22 00:36:21,761 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) [2022-11-22 00:36:21,762 INFO L276 IsEmpty]: Start isEmpty. Operand 17008 states and 25782 transitions. [2022-11-22 00:36:21,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1559 [2022-11-22 00:36:21,830 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:36:21,830 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] [2022-11-22 00:36:21,831 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-22 00:36:21,831 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 00:36:21,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:36:21,832 INFO L85 PathProgramCache]: Analyzing trace with hash 696033776, now seen corresponding path program 1 times [2022-11-22 00:36:21,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:36:21,834 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024900221] [2022-11-22 00:36:21,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:36:21,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:36:23,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:36:25,359 INFO L134 CoverageAnalysis]: Checked inductivity of 89700 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 89700 trivial. 0 not checked. [2022-11-22 00:36:25,359 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:36:25,359 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024900221] [2022-11-22 00:36:25,360 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1024900221] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:36:25,360 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:36:25,360 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 00:36:25,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735418523] [2022-11-22 00:36:25,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:36:25,362 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 00:36:25,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:36:25,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 00:36:25,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:36:25,364 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) [2022-11-22 00:36:27,756 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.39s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:36:33,837 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:36:36,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:36:36,357 INFO L93 Difference]: Finished difference Result 45285 states and 68728 transitions. [2022-11-22 00:36:36,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 00:36:36,358 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 [2022-11-22 00:36:36,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:36:36,519 INFO L225 Difference]: With dead ends: 45285 [2022-11-22 00:36:36,519 INFO L226 Difference]: Without dead ends: 28578 [2022-11-22 00:36:36,598 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 [2022-11-22 00:36:36,603 INFO L413 NwaCegarLoop]: 8643 mSDtfsCounter, 4480 mSDsluCounter, 7548 mSDsCounter, 0 mSdLazyCounter, 1627 mSolverCounterSat, 12 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4481 SdHoareTripleChecker+Valid, 16191 SdHoareTripleChecker+Invalid, 1641 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1627 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.1s IncrementalHoareTripleChecker+Time [2022-11-22 00:36:36,606 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4481 Valid, 16191 Invalid, 1641 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [12 Valid, 1627 Invalid, 2 Unknown, 0 Unchecked, 10.1s Time] [2022-11-22 00:36:36,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28578 states. [2022-11-22 00:36:38,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28578 to 28568. [2022-11-22 00:36:38,708 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) [2022-11-22 00:36:38,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28568 states to 28568 states and 43352 transitions. [2022-11-22 00:36:38,841 INFO L78 Accepts]: Start accepts. Automaton has 28568 states and 43352 transitions. Word has length 1558 [2022-11-22 00:36:38,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:36:38,845 INFO L495 AbstractCegarLoop]: Abstraction has 28568 states and 43352 transitions. [2022-11-22 00:36:38,845 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) [2022-11-22 00:36:38,846 INFO L276 IsEmpty]: Start isEmpty. Operand 28568 states and 43352 transitions. [2022-11-22 00:36:38,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1577 [2022-11-22 00:36:38,893 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:36:38,893 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] [2022-11-22 00:36:38,894 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-22 00:36:38,894 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 00:36:38,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:36:38,895 INFO L85 PathProgramCache]: Analyzing trace with hash 314183400, now seen corresponding path program 1 times [2022-11-22 00:36:38,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:36:38,896 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [498774208] [2022-11-22 00:36:38,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:36:38,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:36:39,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:36:42,032 INFO L134 CoverageAnalysis]: Checked inductivity of 89727 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 89727 trivial. 0 not checked. [2022-11-22 00:36:42,032 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:36:42,032 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [498774208] [2022-11-22 00:36:42,033 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [498774208] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:36:42,033 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:36:42,033 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 00:36:42,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001218429] [2022-11-22 00:36:42,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:36:42,036 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 00:36:42,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:36:42,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 00:36:42,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:36:42,037 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) [2022-11-22 00:36:44,412 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.37s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:36:50,839 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:36:53,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:36:53,596 INFO L93 Difference]: Finished difference Result 83373 states and 126506 transitions. [2022-11-22 00:36:53,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 00:36:53,597 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 [2022-11-22 00:36:53,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:36:53,926 INFO L225 Difference]: With dead ends: 83373 [2022-11-22 00:36:53,927 INFO L226 Difference]: Without dead ends: 55106 [2022-11-22 00:36:54,036 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 [2022-11-22 00:36:54,043 INFO L413 NwaCegarLoop]: 8994 mSDtfsCounter, 5841 mSDsluCounter, 7563 mSDsCounter, 0 mSdLazyCounter, 1630 mSolverCounterSat, 13 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.4s 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, 9.9s IncrementalHoareTripleChecker+Time [2022-11-22 00:36:54,044 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5842 Valid, 16557 Invalid, 1645 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [13 Valid, 1630 Invalid, 2 Unknown, 0 Unchecked, 9.9s Time] [2022-11-22 00:36:54,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55106 states. [2022-11-22 00:36:57,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55106 to 55100. [2022-11-22 00:36:58,019 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) [2022-11-22 00:36:58,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55100 states to 55100 states and 83520 transitions. [2022-11-22 00:36:58,292 INFO L78 Accepts]: Start accepts. Automaton has 55100 states and 83520 transitions. Word has length 1576 [2022-11-22 00:36:58,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:36:58,294 INFO L495 AbstractCegarLoop]: Abstraction has 55100 states and 83520 transitions. [2022-11-22 00:36:58,294 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) [2022-11-22 00:36:58,294 INFO L276 IsEmpty]: Start isEmpty. Operand 55100 states and 83520 transitions. [2022-11-22 00:36:58,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1578 [2022-11-22 00:36:58,340 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:36:58,341 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] [2022-11-22 00:36:58,341 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-22 00:36:58,341 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 00:36:58,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:36:58,342 INFO L85 PathProgramCache]: Analyzing trace with hash -1937403320, now seen corresponding path program 1 times [2022-11-22 00:36:58,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:36:58,345 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378723927] [2022-11-22 00:36:58,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:36:58,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:36:59,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:37:01,252 INFO L134 CoverageAnalysis]: Checked inductivity of 89727 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 89727 trivial. 0 not checked. [2022-11-22 00:37:01,253 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:37:01,253 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378723927] [2022-11-22 00:37:01,253 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [378723927] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:37:01,253 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:37:01,254 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 00:37:01,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85078202] [2022-11-22 00:37:01,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:37:01,256 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 00:37:01,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:37:01,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 00:37:01,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:37:01,257 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) [2022-11-22 00:37:03,620 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.36s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:37:11,221 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:37:13,338 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 [] [2022-11-22 00:37:15,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:37:15,269 INFO L93 Difference]: Finished difference Result 162537 states and 246330 transitions. [2022-11-22 00:37:15,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 00:37:15,270 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 [2022-11-22 00:37:15,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:37:16,048 INFO L225 Difference]: With dead ends: 162537 [2022-11-22 00:37:16,049 INFO L226 Difference]: Without dead ends: 107738 [2022-11-22 00:37:16,260 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 [2022-11-22 00:37:16,261 INFO L413 NwaCegarLoop]: 9049 mSDtfsCounter, 5840 mSDsluCounter, 7563 mSDsCounter, 0 mSdLazyCounter, 1642 mSolverCounterSat, 13 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5841 SdHoareTripleChecker+Valid, 16612 SdHoareTripleChecker+Invalid, 1657 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1642 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.6s IncrementalHoareTripleChecker+Time [2022-11-22 00:37:16,262 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5841 Valid, 16612 Invalid, 1657 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [13 Valid, 1642 Invalid, 2 Unknown, 0 Unchecked, 10.6s Time] [2022-11-22 00:37:16,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107738 states. [2022-11-22 00:37:22,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107738 to 107732. [2022-11-22 00:37:22,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107732 states, 68269 states have (on average 1.3552417641975127) internal successors, (92521), 69528 states have internal predecessors, (92521), 35272 states have call successors, (35272), 4190 states have call predecessors, (35272), 4190 states have return successors, (35303), 35137 states have call predecessors, (35303), 35272 states have call successors, (35303) [2022-11-22 00:37:23,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107732 states to 107732 states and 163096 transitions. [2022-11-22 00:37:23,618 INFO L78 Accepts]: Start accepts. Automaton has 107732 states and 163096 transitions. Word has length 1577 [2022-11-22 00:37:23,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:37:23,619 INFO L495 AbstractCegarLoop]: Abstraction has 107732 states and 163096 transitions. [2022-11-22 00:37:23,619 INFO L496 AbstractCegarLoop]: INTERPOLANT 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) [2022-11-22 00:37:23,620 INFO L276 IsEmpty]: Start isEmpty. Operand 107732 states and 163096 transitions. [2022-11-22 00:37:23,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1580 [2022-11-22 00:37:23,678 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:37:23,679 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, 1, 1] [2022-11-22 00:37:23,679 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-22 00:37:23,680 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-22 00:37:23,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:37:23,680 INFO L85 PathProgramCache]: Analyzing trace with hash -724761148, now seen corresponding path program 1 times [2022-11-22 00:37:23,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:37:23,681 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297292618] [2022-11-22 00:37:23,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:37:23,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:37:24,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:37:26,522 INFO L134 CoverageAnalysis]: Checked inductivity of 89727 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 89727 trivial. 0 not checked. [2022-11-22 00:37:26,522 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:37:26,523 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1297292618] [2022-11-22 00:37:26,523 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1297292618] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:37:26,523 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:37:26,523 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 00:37:26,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564561418] [2022-11-22 00:37:26,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:37:26,526 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 00:37:26,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:37:26,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 00:37:26,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:37:26,527 INFO L87 Difference]: Start difference. First operand 107732 states and 163096 transitions. Second operand has 3 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 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) [2022-11-22 00:37:28,407 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:37:30,428 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 []