./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 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24543d-4f3e-4007-8ba0-c5f125cca209/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24543d-4f3e-4007-8ba0-c5f125cca209/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24543d-4f3e-4007-8ba0-c5f125cca209/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24543d-4f3e-4007-8ba0-c5f125cca209/bin/utaipan-eEHZpOm5b7/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_dc24543d-4f3e-4007-8ba0-c5f125cca209/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24543d-4f3e-4007-8ba0-c5f125cca209/bin/utaipan-eEHZpOm5b7 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 4687ac26d9c0954104881c19e149279f4abd41fc4f5fabbdda14bb7df065d07d --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 19:39:20,549 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 19:39:20,551 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 19:39:20,608 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 19:39:20,609 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 19:39:20,615 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 19:39:20,620 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 19:39:20,625 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 19:39:20,628 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 19:39:20,635 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 19:39:20,636 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 19:39:20,638 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 19:39:20,639 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 19:39:20,642 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 19:39:20,644 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 19:39:20,646 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 19:39:20,648 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 19:39:20,649 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 19:39:20,655 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 19:39:20,664 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 19:39:20,666 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 19:39:20,668 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 19:39:20,672 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 19:39:20,673 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 19:39:20,677 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 19:39:20,678 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 19:39:20,678 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 19:39:20,680 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 19:39:20,681 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 19:39:20,682 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 19:39:20,683 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 19:39:20,683 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 19:39:20,685 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 19:39:20,687 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 19:39:20,688 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 19:39:20,689 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 19:39:20,689 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 19:39:20,690 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 19:39:20,690 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 19:39:20,691 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 19:39:20,692 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 19:39:20,693 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24543d-4f3e-4007-8ba0-c5f125cca209/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-25 19:39:20,747 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 19:39:20,747 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 19:39:20,748 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 19:39:20,748 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 19:39:20,750 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 19:39:20,757 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 19:39:20,758 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 19:39:20,758 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 19:39:20,758 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 19:39:20,759 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 19:39:20,760 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 19:39:20,760 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 19:39:20,760 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 19:39:20,761 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 19:39:20,761 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 19:39:20,761 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 19:39:20,761 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 19:39:20,762 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 19:39:20,762 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 19:39:20,763 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 19:39:20,763 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 19:39:20,763 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 19:39:20,763 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 19:39:20,764 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 19:39:20,764 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 19:39:20,764 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 19:39:20,766 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 19:39:20,766 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 19:39:20,767 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 19:39:20,767 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:39:20,767 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 19:39:20,768 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 19:39:20,768 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 19:39:20,768 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 19:39:20,768 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 19:39:20,769 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 19:39:20,769 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 19:39:20,769 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 19:39:20,769 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24543d-4f3e-4007-8ba0-c5f125cca209/bin/utaipan-eEHZpOm5b7/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24543d-4f3e-4007-8ba0-c5f125cca209/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4687ac26d9c0954104881c19e149279f4abd41fc4f5fabbdda14bb7df065d07d [2021-11-25 19:39:21,081 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 19:39:21,105 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 19:39:21,108 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 19:39:21,110 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 19:39:21,111 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 19:39:21,112 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24543d-4f3e-4007-8ba0-c5f125cca209/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-libertas-libertas.cil.i [2021-11-25 19:39:21,191 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24543d-4f3e-4007-8ba0-c5f125cca209/bin/utaipan-eEHZpOm5b7/data/933563f5c/6ba230a562654d00a4b99fbfe9915a5c/FLAG771fed264 [2021-11-25 19:39:22,659 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 19:39:22,661 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24543d-4f3e-4007-8ba0-c5f125cca209/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-libertas-libertas.cil.i [2021-11-25 19:39:22,777 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24543d-4f3e-4007-8ba0-c5f125cca209/bin/utaipan-eEHZpOm5b7/data/933563f5c/6ba230a562654d00a4b99fbfe9915a5c/FLAG771fed264 [2021-11-25 19:39:23,090 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24543d-4f3e-4007-8ba0-c5f125cca209/bin/utaipan-eEHZpOm5b7/data/933563f5c/6ba230a562654d00a4b99fbfe9915a5c [2021-11-25 19:39:23,093 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 19:39:23,095 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 19:39:23,096 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 19:39:23,097 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 19:39:23,101 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 19:39:23,102 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:39:23" (1/1) ... [2021-11-25 19:39:23,106 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@be4760d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:39:23, skipping insertion in model container [2021-11-25 19:39:23,107 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:39:23" (1/1) ... [2021-11-25 19:39:23,115 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 19:39:23,465 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 19:39:36,039 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24543d-4f3e-4007-8ba0-c5f125cca209/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-libertas-libertas.cil.i[907373,907386] [2021-11-25 19:39:36,043 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24543d-4f3e-4007-8ba0-c5f125cca209/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-libertas-libertas.cil.i[907518,907531] [2021-11-25 19:39:36,105 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 19:39:36,202 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 19:39:37,419 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24543d-4f3e-4007-8ba0-c5f125cca209/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-libertas-libertas.cil.i[907373,907386] [2021-11-25 19:39:37,420 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24543d-4f3e-4007-8ba0-c5f125cca209/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-libertas-libertas.cil.i[907518,907531] [2021-11-25 19:39:37,433 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 19:39:38,066 INFO L208 MainTranslator]: Completed translation [2021-11-25 19:39:38,067 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:39:38 WrapperNode [2021-11-25 19:39:38,067 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 19:39:38,068 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 19:39:38,069 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 19:39:38,069 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 19:39:38,078 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:39:38" (1/1) ... [2021-11-25 19:39:38,431 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:39:38" (1/1) ... [2021-11-25 19:39:39,168 INFO L137 Inliner]: procedures = 896, calls = 11638, calls flagged for inlining = 522, calls inlined = 476, statements flattened = 24465 [2021-11-25 19:39:39,170 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 19:39:39,171 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 19:39:39,172 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 19:39:39,172 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 19:39:39,183 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:39:38" (1/1) ... [2021-11-25 19:39:39,184 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:39:38" (1/1) ... [2021-11-25 19:39:39,293 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:39:38" (1/1) ... [2021-11-25 19:39:39,294 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:39:38" (1/1) ... [2021-11-25 19:39:40,251 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:39:38" (1/1) ... [2021-11-25 19:39:40,355 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:39:38" (1/1) ... [2021-11-25 19:39:40,805 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:39:38" (1/1) ... [2021-11-25 19:39:41,025 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 19:39:41,026 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 19:39:41,027 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 19:39:41,027 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 19:39:41,028 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:39:38" (1/1) ... [2021-11-25 19:39:41,037 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:39:41,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24543d-4f3e-4007-8ba0-c5f125cca209/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 19:39:41,067 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24543d-4f3e-4007-8ba0-c5f125cca209/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 19:39:41,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dc24543d-4f3e-4007-8ba0-c5f125cca209/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 19:39:41,131 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_mac_event_disconnected [2021-11-25 19:39:41,132 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_mac_event_disconnected [2021-11-25 19:39:41,132 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_cfg_register [2021-11-25 19:39:41,132 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_cfg_register [2021-11-25 19:39:41,132 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-11-25 19:39:41,132 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_inform_bss [2021-11-25 19:39:41,133 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_inform_bss [2021-11-25 19:39:41,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_open_35_6 [2021-11-25 19:39:41,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_open_35_6 [2021-11-25 19:39:41,133 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2021-11-25 19:39:41,134 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2021-11-25 19:39:41,134 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_channel [2021-11-25 19:39:41,134 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_channel [2021-11-25 19:39:41,134 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_add_mesh [2021-11-25 19:39:41,134 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_add_mesh [2021-11-25 19:39:41,135 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work [2021-11-25 19:39:41,135 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work [2021-11-25 19:39:41,135 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_should_stop [2021-11-25 19:39:41,135 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_should_stop [2021-11-25 19:39:41,135 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_ps_confirm_sleep [2021-11-25 19:39:41,136 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_ps_confirm_sleep [2021-11-25 19:39:41,136 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_host_sleep_cfg [2021-11-25 19:39:41,136 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_host_sleep_cfg [2021-11-25 19:39:41,136 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-25 19:39:41,136 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-25 19:39:41,137 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-25 19:39:41,137 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer [2021-11-25 19:39:41,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer [2021-11-25 19:39:41,137 INFO L130 BoogieDeclarations]: Found specification of procedure __lbs_cmd_async [2021-11-25 19:39:41,138 INFO L138 BoogieDeclarations]: Found implementation of procedure __lbs_cmd_async [2021-11-25 19:39:41,138 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_wep_keys [2021-11-25 19:39:41,138 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_wep_keys [2021-11-25 19:39:41,138 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_auth_to_authtype [2021-11-25 19:39:41,139 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_auth_to_authtype [2021-11-25 19:39:41,139 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2021-11-25 19:39:41,139 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2021-11-25 19:39:41,139 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-11-25 19:39:41,140 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-11-25 19:39:41,140 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_get_reg [2021-11-25 19:39:41,140 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_get_reg [2021-11-25 19:39:41,140 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_eth_stop [2021-11-25 19:39:41,140 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_eth_stop [2021-11-25 19:39:41,141 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_free_adapter [2021-11-25 19:39:41,141 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_free_adapter [2021-11-25 19:39:41,141 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_iface_active [2021-11-25 19:39:41,142 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_iface_active [2021-11-25 19:39:41,142 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_16_5 [2021-11-25 19:39:41,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_16_5 [2021-11-25 19:39:41,144 INFO L130 BoogieDeclarations]: Found specification of procedure _internal_start_scan [2021-11-25 19:39:41,144 INFO L138 BoogieDeclarations]: Found implementation of procedure _internal_start_scan [2021-11-25 19:39:41,144 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_ps_mode [2021-11-25 19:39:41,144 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_ps_mode [2021-11-25 19:39:41,145 INFO L130 BoogieDeclarations]: Found specification of procedure add_ie_rates [2021-11-25 19:39:41,145 INFO L138 BoogieDeclarations]: Found implementation of procedure add_ie_rates [2021-11-25 19:39:41,145 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_remove_mesh [2021-11-25 19:39:41,145 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_remove_mesh [2021-11-25 19:39:41,145 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_ethtool_get_eeprom_len [2021-11-25 19:39:41,146 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_ethtool_get_eeprom_len [2021-11-25 19:39:41,147 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2021-11-25 19:39:41,147 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2021-11-25 19:39:41,147 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_cmd_async [2021-11-25 19:39:41,147 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_cmd_async [2021-11-25 19:39:41,148 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-25 19:39:41,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-25 19:39:41,148 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 19:39:41,148 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_lbs_exit_module_38_2 [2021-11-25 19:39:41,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_lbs_exit_module_38_2 [2021-11-25 19:39:41,148 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-25 19:39:41,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-25 19:39:41,149 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_netdev_mqs [2021-11-25 19:39:41,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_netdev_mqs [2021-11-25 19:39:41,149 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2021-11-25 19:39:41,149 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2021-11-25 19:39:41,150 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_82 [2021-11-25 19:39:41,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_82 [2021-11-25 19:39:41,151 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_disconnect [2021-11-25 19:39:41,151 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_disconnect [2021-11-25 19:39:41,151 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_88 [2021-11-25 19:39:41,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_88 [2021-11-25 19:39:41,152 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2021-11-25 19:39:41,152 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2021-11-25 19:39:41,153 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 19:39:41,153 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-11-25 19:39:41,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-11-25 19:39:41,154 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2021-11-25 19:39:41,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2021-11-25 19:39:41,154 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev [2021-11-25 19:39:41,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev [2021-11-25 19:39:41,155 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-11-25 19:39:41,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-11-25 19:39:41,156 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-11-25 19:39:41,156 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-11-25 19:39:41,156 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 19:39:41,157 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_mesh_stop [2021-11-25 19:39:41,157 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_mesh_stop [2021-11-25 19:39:41,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-25 19:39:41,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-25 19:39:41,158 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-25 19:39:41,158 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-25 19:39:41,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 19:39:41,158 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_complete_command [2021-11-25 19:39:41,158 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_complete_command [2021-11-25 19:39:41,158 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-25 19:39:41,159 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_put_bss [2021-11-25 19:39:41,159 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_put_bss [2021-11-25 19:39:41,159 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-25 19:39:41,159 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-25 19:39:41,160 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_snmp_mib [2021-11-25 19:39:41,160 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_snmp_mib [2021-11-25 19:39:41,161 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_11d_domain_info [2021-11-25 19:39:41,164 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_11d_domain_info [2021-11-25 19:39:41,164 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-25 19:39:41,164 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-25 19:39:41,164 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-25 19:39:41,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-25 19:39:41,166 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_mac_control [2021-11-25 19:39:41,166 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_mac_control [2021-11-25 19:39:41,166 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-11-25 19:39:41,167 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-11-25 19:39:41,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 19:39:41,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 19:39:41,174 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_resume [2021-11-25 19:39:41,174 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_resume [2021-11-25 19:39:41,174 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-25 19:39:41,174 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-25 19:39:41,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-25 19:39:41,175 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_get_chandef_type [2021-11-25 19:39:41,175 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_get_chandef_type [2021-11-25 19:39:41,175 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_driver_lock_of_lbs_private [2021-11-25 19:39:41,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_driver_lock_of_lbs_private [2021-11-25 19:39:41,175 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-11-25 19:39:41,175 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-11-25 19:39:41,175 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-25 19:39:41,176 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-25 19:39:41,176 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2021-11-25 19:39:41,176 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2021-11-25 19:39:41,176 INFO L130 BoogieDeclarations]: Found specification of procedure write_file_dummy [2021-11-25 19:39:41,176 INFO L138 BoogieDeclarations]: Found implementation of procedure write_file_dummy [2021-11-25 19:39:41,176 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-25 19:39:41,176 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-25 19:39:41,177 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_multicast_list [2021-11-25 19:39:41,177 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_multicast_list [2021-11-25 19:39:41,177 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-25 19:39:41,177 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-25 19:39:41,177 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_thread [2021-11-25 19:39:41,177 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_thread [2021-11-25 19:39:41,177 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2021-11-25 19:39:41,178 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2021-11-25 19:39:41,178 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-11-25 19:39:41,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-11-25 19:39:41,178 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 19:39:41,178 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-25 19:39:41,178 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-25 19:39:41,179 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_threshold_read [2021-11-25 19:39:41,179 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_threshold_read [2021-11-25 19:39:41,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 19:39:41,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_82 [2021-11-25 19:39:41,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_82 [2021-11-25 19:39:41,179 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-25 19:39:41,180 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-25 19:39:41,180 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-11-25 19:39:41,180 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-11-25 19:39:41,180 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_driver_lock_of_lbs_private [2021-11-25 19:39:41,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_driver_lock_of_lbs_private [2021-11-25 19:39:41,180 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-25 19:39:41,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-25 19:39:41,181 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_bss_get_ie [2021-11-25 19:39:41,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_bss_get_ie [2021-11-25 19:39:41,181 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-11-25 19:39:41,181 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-11-25 19:39:41,181 INFO L130 BoogieDeclarations]: Found specification of procedure __lbs_cmd [2021-11-25 19:39:41,181 INFO L138 BoogieDeclarations]: Found implementation of procedure __lbs_cmd [2021-11-25 19:39:41,182 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_command_queue_empty [2021-11-25 19:39:41,182 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_command_queue_empty [2021-11-25 19:39:41,182 INFO L130 BoogieDeclarations]: Found specification of procedure get_zeroed_page [2021-11-25 19:39:41,182 INFO L138 BoogieDeclarations]: Found implementation of procedure get_zeroed_page [2021-11-25 19:39:41,182 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_process_event [2021-11-25 19:39:41,182 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_process_event [2021-11-25 19:39:41,182 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-25 19:39:41,183 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-25 19:39:41,183 INFO L130 BoogieDeclarations]: Found specification of procedure ether_setup [2021-11-25 19:39:41,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_setup [2021-11-25 19:39:41,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 19:39:41,183 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-25 19:39:41,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-25 19:39:41,184 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_add_mcast_addrs [2021-11-25 19:39:41,184 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_add_mcast_addrs [2021-11-25 19:39:41,184 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_deb_hex___3 [2021-11-25 19:39:41,184 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_deb_hex___3 [2021-11-25 19:39:41,184 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_deb_hex___0 [2021-11-25 19:39:41,184 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_deb_hex___0 [2021-11-25 19:39:41,185 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-11-25 19:39:41,185 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-11-25 19:39:41,185 INFO L130 BoogieDeclarations]: Found specification of procedure default_llseek [2021-11-25 19:39:41,185 INFO L138 BoogieDeclarations]: Found implementation of procedure default_llseek [2021-11-25 19:39:41,185 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_add_ssid_tlv [2021-11-25 19:39:41,185 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_add_ssid_tlv [2021-11-25 19:39:41,185 INFO L130 BoogieDeclarations]: Found specification of procedure __lbs_mesh_config_send [2021-11-25 19:39:41,186 INFO L138 BoogieDeclarations]: Found implementation of procedure __lbs_mesh_config_send [2021-11-25 19:39:41,186 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2021-11-25 19:39:41,186 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2021-11-25 19:39:41,186 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2021-11-25 19:39:41,186 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-25 19:39:41,186 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-25 19:39:41,187 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_mesh_access [2021-11-25 19:39:41,187 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_mesh_access [2021-11-25 19:39:41,187 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_83 [2021-11-25 19:39:41,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_83 [2021-11-25 19:39:41,187 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-11-25 19:39:41,187 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-11-25 19:39:41,188 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-25 19:39:41,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-25 19:39:41,188 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_83 [2021-11-25 19:39:41,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_83 [2021-11-25 19:39:41,188 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-11-25 19:39:41,188 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-11-25 19:39:41,189 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~$Pointer$~X~~u16~0~TO~int [2021-11-25 19:39:41,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~$Pointer$~X~~u16~0~TO~int [2021-11-25 19:39:41,189 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_cfg_free [2021-11-25 19:39:41,189 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_cfg_free [2021-11-25 19:39:41,189 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2021-11-25 19:39:41,189 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2021-11-25 19:39:41,189 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_reg [2021-11-25 19:39:41,190 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_reg [2021-11-25 19:39:41,190 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-25 19:39:41,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-25 19:39:41,190 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-25 19:39:41,190 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-25 19:39:41,190 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-25 19:39:41,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-25 19:39:41,191 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2021-11-25 19:39:41,191 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_key_material [2021-11-25 19:39:41,191 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_key_material [2021-11-25 19:39:41,191 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-11-25 19:39:41,191 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-11-25 19:39:41,191 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 19:39:41,193 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2021-11-25 19:39:41,197 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2021-11-25 19:39:41,197 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_sleepparams_read [2021-11-25 19:39:41,197 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_sleepparams_read [2021-11-25 19:39:41,197 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-25 19:39:41,198 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-25 19:39:41,198 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_start_mesh [2021-11-25 19:39:41,198 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_start_mesh [2021-11-25 19:39:41,198 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2021-11-25 19:39:41,198 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2021-11-25 19:39:41,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-25 19:39:41,200 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-11-25 19:39:41,200 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-11-25 19:39:41,200 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2021-11-25 19:39:41,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2021-11-25 19:39:41,200 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_mesh_activated [2021-11-25 19:39:41,200 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_mesh_activated [2021-11-25 19:39:41,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-25 19:39:41,201 INFO L130 BoogieDeclarations]: Found specification of procedure __lbs_complete_command [2021-11-25 19:39:41,201 INFO L138 BoogieDeclarations]: Found implementation of procedure __lbs_complete_command [2021-11-25 19:39:41,201 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_group [2021-11-25 19:39:41,201 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_group [2021-11-25 19:39:41,201 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-11-25 19:39:41,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-11-25 19:39:41,202 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-25 19:39:41,202 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-25 19:39:41,202 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2021-11-25 19:39:41,202 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2021-11-25 19:39:41,202 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-25 19:39:41,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-25 19:39:41,203 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-11-25 19:39:41,203 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-11-25 19:39:41,203 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_priv [2021-11-25 19:39:41,203 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_priv [2021-11-25 19:39:41,203 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_mesh_dev_open [2021-11-25 19:39:41,203 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_mesh_dev_open [2021-11-25 19:39:41,204 INFO L130 BoogieDeclarations]: Found specification of procedure print_ssid [2021-11-25 19:39:41,204 INFO L138 BoogieDeclarations]: Found implementation of procedure print_ssid [2021-11-25 19:39:41,204 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_remove_wep_keys [2021-11-25 19:39:41,204 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_remove_wep_keys [2021-11-25 19:39:41,204 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-25 19:39:41,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-25 19:39:41,205 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-25 19:39:41,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-25 19:39:41,205 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2021-11-25 19:39:41,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2021-11-25 19:39:41,205 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2021-11-25 19:39:41,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2021-11-25 19:39:41,205 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_update_mcast [2021-11-25 19:39:41,206 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_update_mcast [2021-11-25 19:39:41,206 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-11-25 19:39:41,206 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-11-25 19:39:41,206 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-11-25 19:39:41,206 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-11-25 19:39:41,206 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_add_rates [2021-11-25 19:39:41,207 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_add_rates [2021-11-25 19:39:41,207 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2021-11-25 19:39:41,207 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2021-11-25 19:39:41,207 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2021-11-25 19:39:41,207 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2021-11-25 19:39:41,207 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_iface_type [2021-11-25 19:39:41,207 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_iface_type [2021-11-25 19:39:41,208 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_dev_open [2021-11-25 19:39:41,208 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_dev_open [2021-11-25 19:39:41,208 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-25 19:39:41,208 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-25 19:39:41,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-25 19:39:41,208 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2021-11-25 19:39:41,209 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2021-11-25 19:39:41,209 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_mesh_get_channel [2021-11-25 19:39:41,209 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_mesh_get_channel [2021-11-25 19:39:41,209 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_suspend [2021-11-25 19:39:41,209 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_suspend [2021-11-25 19:39:41,209 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_netdev_mqs [2021-11-25 19:39:41,209 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_netdev_mqs [2021-11-25 19:39:41,210 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_get_bss [2021-11-25 19:39:41,210 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_get_bss [2021-11-25 19:39:41,210 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_scan_done [2021-11-25 19:39:41,210 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_scan_done [2021-11-25 19:39:41,210 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2021-11-25 19:39:41,210 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2021-11-25 19:39:41,211 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2021-11-25 19:39:41,211 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2021-11-25 19:39:41,211 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_deep_sleep [2021-11-25 19:39:41,211 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_deep_sleep [2021-11-25 19:39:41,211 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_deb_hex [2021-11-25 19:39:41,211 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_deb_hex [2021-11-25 19:39:41,211 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-25 19:39:41,212 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-25 19:39:41,212 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_threshold_write [2021-11-25 19:39:41,212 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_threshold_write [2021-11-25 19:39:41,212 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_setup_firmware [2021-11-25 19:39:41,212 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_setup_firmware [2021-11-25 19:39:41,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-25 19:39:41,213 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-11-25 19:39:41,213 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-11-25 19:39:41,213 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_mesh_config [2021-11-25 19:39:41,213 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_mesh_config [2021-11-25 19:39:41,213 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_cmd_802_11_sleep_params [2021-11-25 19:39:41,213 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_cmd_802_11_sleep_params [2021-11-25 19:39:41,214 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-25 19:39:41,214 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-25 19:39:41,214 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_monitor_mode [2021-11-25 19:39:41,214 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_monitor_mode [2021-11-25 19:39:41,214 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count___0 [2021-11-25 19:39:41,214 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count___0 [2021-11-25 19:39:41,215 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count___1 [2021-11-25 19:39:41,215 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count___1 [2021-11-25 19:39:41,215 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count___6 [2021-11-25 19:39:41,215 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count___6 [2021-11-25 19:39:41,215 INFO L130 BoogieDeclarations]: Found specification of procedure simple_read_from_buffer [2021-11-25 19:39:41,215 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_read_from_buffer [2021-11-25 19:39:41,215 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count___4 [2021-11-25 19:39:41,216 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count___4 [2021-11-25 19:39:41,216 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-25 19:39:41,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-25 19:39:41,216 INFO L130 BoogieDeclarations]: Found specification of procedure free_pages [2021-11-25 19:39:41,216 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pages [2021-11-25 19:39:41,216 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_enable_rsn [2021-11-25 19:39:41,217 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_enable_rsn [2021-11-25 19:39:41,217 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_start_card [2021-11-25 19:39:41,217 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_start_card [2021-11-25 19:39:41,217 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-25 19:39:41,217 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-25 19:39:41,217 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2021-11-25 19:39:41,218 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2021-11-25 19:39:41,218 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_send_mic_failureevent [2021-11-25 19:39:41,218 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_send_mic_failureevent [2021-11-25 19:39:41,218 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_join_post [2021-11-25 19:39:41,218 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_join_post [2021-11-25 19:39:41,218 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-25 19:39:41,219 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-25 19:39:41,219 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2021-11-25 19:39:41,219 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2021-11-25 19:39:41,219 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_stop_iface [2021-11-25 19:39:41,219 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_stop_iface [2021-11-25 19:39:41,219 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_radio [2021-11-25 19:39:41,220 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_radio [2021-11-25 19:39:41,221 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_start_iface [2021-11-25 19:39:41,221 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_start_iface [2021-11-25 19:39:41,221 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-11-25 19:39:41,221 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-11-25 19:39:41,221 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2021-11-25 19:39:41,222 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2021-11-25 19:39:41,222 INFO L130 BoogieDeclarations]: Found specification of procedure mesh_get_default_parameters [2021-11-25 19:39:41,222 INFO L138 BoogieDeclarations]: Found implementation of procedure mesh_get_default_parameters [2021-11-25 19:39:41,222 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_debugfs_read [2021-11-25 19:39:41,222 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_debugfs_read [2021-11-25 19:39:41,222 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-25 19:39:41,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-25 19:39:41,223 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-11-25 19:39:41,223 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-11-25 19:39:41,223 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_mesh_config_send [2021-11-25 19:39:41,223 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_mesh_config_send [2021-11-25 19:39:41,223 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_disconnected [2021-11-25 19:39:41,223 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_disconnected [2021-11-25 19:39:41,224 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-11-25 19:39:41,224 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-11-25 19:39:41,224 INFO L130 BoogieDeclarations]: Found specification of procedure simple_open [2021-11-25 19:39:41,224 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_open [2021-11-25 19:39:41,224 INFO L130 BoogieDeclarations]: Found specification of procedure __lbs_cleanup_and_insert_cmd [2021-11-25 19:39:41,224 INFO L138 BoogieDeclarations]: Found implementation of procedure __lbs_cleanup_and_insert_cmd [2021-11-25 19:39:41,225 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2021-11-25 19:39:41,225 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2021-11-25 19:39:41,225 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_host_sleep [2021-11-25 19:39:41,225 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_host_sleep [2021-11-25 19:39:41,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 19:39:41,225 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-25 19:39:41,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-25 19:39:41,226 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2021-11-25 19:39:41,226 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2021-11-25 19:39:41,226 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2021-11-25 19:39:41,226 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2021-11-25 19:39:44,025 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 19:39:44,032 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 19:39:46,772 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-25 19:47:48,479 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-11-25 19:47:48,707 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 19:47:59,249 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 19:47:59,249 INFO L301 CfgBuilder]: Removed 10 assume(true) statements. [2021-11-25 19:47:59,260 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:47:59 BoogieIcfgContainer [2021-11-25 19:47:59,261 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 19:47:59,263 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 19:47:59,263 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 19:47:59,266 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 19:47:59,266 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 07:39:23" (1/3) ... [2021-11-25 19:47:59,267 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b247658 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 07:47:59, skipping insertion in model container [2021-11-25 19:47:59,267 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:39:38" (2/3) ... [2021-11-25 19:47:59,268 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b247658 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 07:47:59, skipping insertion in model container [2021-11-25 19:47:59,268 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 07:47:59" (3/3) ... [2021-11-25 19:47:59,270 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-libertas-libertas.cil.i [2021-11-25 19:47:59,284 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 19:47:59,284 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-25 19:47:59,368 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 19:47:59,384 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-25 19:47:59,384 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-25 19:47:59,517 INFO L276 IsEmpty]: Start isEmpty. Operand has 5544 states, 3476 states have (on average 1.3446490218642118) internal successors, (4674), 3546 states have internal predecessors, (4674), 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) [2021-11-25 19:47:59,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1568 [2021-11-25 19:47:59,661 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:47:59,663 INFO L514 BasicCegarLoop]: 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] [2021-11-25 19:47:59,663 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:47:59,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:47:59,669 INFO L85 PathProgramCache]: Analyzing trace with hash -623870912, now seen corresponding path program 1 times [2021-11-25 19:47:59,678 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:47:59,679 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059755222] [2021-11-25 19:47:59,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:47:59,680 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:48:01,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:48:03,367 INFO L134 CoverageAnalysis]: Checked inductivity of 89739 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 89739 trivial. 0 not checked. [2021-11-25 19:48:03,368 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:48:03,368 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1059755222] [2021-11-25 19:48:03,369 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1059755222] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:48:03,369 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:48:03,370 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 19:48:03,372 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643606773] [2021-11-25 19:48:03,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:48:03,384 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 19:48:03,384 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:48:03,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 19:48:03,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:48:03,442 INFO L87 Difference]: Start difference. First operand has 5544 states, 3476 states have (on average 1.3446490218642118) internal successors, (4674), 3546 states have internal predecessors, (4674), 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) [2021-11-25 19:48:05,639 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:48:07,669 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:48:13,474 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:48:16,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:48:16,646 INFO L93 Difference]: Finished difference Result 14614 states and 22276 transitions. [2021-11-25 19:48:16,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 19:48:16,651 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 [2021-11-25 19:48:16,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:48:16,766 INFO L225 Difference]: With dead ends: 14614 [2021-11-25 19:48:16,766 INFO L226 Difference]: Without dead ends: 9293 [2021-11-25 19:48:16,805 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:48:16,808 INFO L933 BasicCegarLoop]: 8569 mSDtfsCounter, 5817 mSDsluCounter, 8344 mSDsCounter, 0 mSdLazyCounter, 2240 mSolverCounterSat, 13 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5818 SdHoareTripleChecker+Valid, 15825 SdHoareTripleChecker+Invalid, 2255 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 2240 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.5s IncrementalHoareTripleChecker+Time [2021-11-25 19:48:16,809 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5818 Valid, 15825 Invalid, 2255 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [13 Valid, 2240 Invalid, 2 Unknown, 0 Unchecked, 12.5s Time] [2021-11-25 19:48:16,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9293 states. [2021-11-25 19:48:17,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9293 to 9289. [2021-11-25 19:48:17,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9289 states, 5855 states have (on average 1.3455166524338174) internal successors, (7878), 5966 states have internal predecessors, (7878), 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) [2021-11-25 19:48:17,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9289 states to 9289 states and 14073 transitions. [2021-11-25 19:48:17,697 INFO L78 Accepts]: Start accepts. Automaton has 9289 states and 14073 transitions. Word has length 1567 [2021-11-25 19:48:17,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:48:17,701 INFO L470 AbstractCegarLoop]: Abstraction has 9289 states and 14073 transitions. [2021-11-25 19:48:17,702 INFO L471 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) [2021-11-25 19:48:17,702 INFO L276 IsEmpty]: Start isEmpty. Operand 9289 states and 14073 transitions. [2021-11-25 19:48:17,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1576 [2021-11-25 19:48:17,997 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:48:17,998 INFO L514 BasicCegarLoop]: 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] [2021-11-25 19:48:17,998 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 19:48:17,999 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:48:17,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:48:18,000 INFO L85 PathProgramCache]: Analyzing trace with hash -1701356164, now seen corresponding path program 1 times [2021-11-25 19:48:18,000 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:48:18,000 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26993888] [2021-11-25 19:48:18,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:48:18,001 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:48:18,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:48:20,437 INFO L134 CoverageAnalysis]: Checked inductivity of 89727 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 89727 trivial. 0 not checked. [2021-11-25 19:48:20,437 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:48:20,437 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [26993888] [2021-11-25 19:48:20,438 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [26993888] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:48:20,438 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:48:20,438 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 19:48:20,439 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043913844] [2021-11-25 19:48:20,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:48:20,443 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 19:48:20,443 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:48:20,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 19:48:20,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:48:20,453 INFO L87 Difference]: Start difference. First operand 9289 states and 14073 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) [2021-11-25 19:48:22,883 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.41s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:48:29,377 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:48:32,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:48:32,505 INFO L93 Difference]: Finished difference Result 25860 states and 39179 transitions. [2021-11-25 19:48:32,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 19:48:32,506 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 [2021-11-25 19:48:32,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:48:32,658 INFO L225 Difference]: With dead ends: 25860 [2021-11-25 19:48:32,659 INFO L226 Difference]: Without dead ends: 16872 [2021-11-25 19:48:32,716 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:48:32,717 INFO L933 BasicCegarLoop]: 8518 mSDtfsCounter, 5780 mSDsluCounter, 8272 mSDsCounter, 0 mSdLazyCounter, 2242 mSolverCounterSat, 13 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5781 SdHoareTripleChecker+Valid, 15705 SdHoareTripleChecker+Invalid, 2257 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 2242 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.3s IncrementalHoareTripleChecker+Time [2021-11-25 19:48:32,718 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5781 Valid, 15705 Invalid, 2257 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [13 Valid, 2242 Invalid, 2 Unknown, 0 Unchecked, 11.3s Time] [2021-11-25 19:48:32,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16872 states. [2021-11-25 19:48:33,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16872 to 16868. [2021-11-25 19:48:34,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16868 states, 10655 states have (on average 1.3476302205537307) internal successors, (14359), 10848 states have internal predecessors, (14359), 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) [2021-11-25 19:48:34,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16868 states to 16868 states and 25534 transitions. [2021-11-25 19:48:34,102 INFO L78 Accepts]: Start accepts. Automaton has 16868 states and 25534 transitions. Word has length 1575 [2021-11-25 19:48:34,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:48:34,106 INFO L470 AbstractCegarLoop]: Abstraction has 16868 states and 25534 transitions. [2021-11-25 19:48:34,107 INFO L471 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) [2021-11-25 19:48:34,107 INFO L276 IsEmpty]: Start isEmpty. Operand 16868 states and 25534 transitions. [2021-11-25 19:48:34,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1559 [2021-11-25 19:48:34,158 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:48:34,160 INFO L514 BasicCegarLoop]: 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] [2021-11-25 19:48:34,160 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-25 19:48:34,160 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:48:34,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:48:34,161 INFO L85 PathProgramCache]: Analyzing trace with hash -1758815787, now seen corresponding path program 1 times [2021-11-25 19:48:34,162 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:48:34,163 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300580114] [2021-11-25 19:48:34,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:48:34,164 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:48:35,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:48:36,220 INFO L134 CoverageAnalysis]: Checked inductivity of 89700 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 89700 trivial. 0 not checked. [2021-11-25 19:48:36,221 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:48:36,221 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300580114] [2021-11-25 19:48:36,221 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1300580114] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:48:36,221 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:48:36,222 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 19:48:36,222 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125668299] [2021-11-25 19:48:36,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:48:36,224 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 19:48:36,224 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:48:36,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 19:48:36,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:48:36,226 INFO L87 Difference]: Start difference. First operand 16868 states and 25534 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) [2021-11-25 19:48:38,653 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.42s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:48:44,116 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:48:47,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:48:47,548 INFO L93 Difference]: Finished difference Result 44865 states and 67984 transitions. [2021-11-25 19:48:47,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 19:48:47,548 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 [2021-11-25 19:48:47,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:48:47,719 INFO L225 Difference]: With dead ends: 44865 [2021-11-25 19:48:47,720 INFO L226 Difference]: Without dead ends: 28298 [2021-11-25 19:48:47,813 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:48:47,814 INFO L933 BasicCegarLoop]: 8260 mSDtfsCounter, 4418 mSDsluCounter, 8250 mSDsCounter, 0 mSdLazyCounter, 2261 mSolverCounterSat, 12 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4419 SdHoareTripleChecker+Valid, 15432 SdHoareTripleChecker+Invalid, 2275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 2261 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.6s IncrementalHoareTripleChecker+Time [2021-11-25 19:48:47,814 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4419 Valid, 15432 Invalid, 2275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 2261 Invalid, 2 Unknown, 0 Unchecked, 10.6s Time] [2021-11-25 19:48:47,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28298 states. [2021-11-25 19:48:50,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28298 to 28288. [2021-11-25 19:48:50,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28288 states, 17749 states have (on average 1.3486393599639417) internal successors, (23937), 18084 states have internal predecessors, (23937), 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) [2021-11-25 19:48:50,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28288 states to 28288 states and 42856 transitions. [2021-11-25 19:48:50,417 INFO L78 Accepts]: Start accepts. Automaton has 28288 states and 42856 transitions. Word has length 1558 [2021-11-25 19:48:50,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:48:50,432 INFO L470 AbstractCegarLoop]: Abstraction has 28288 states and 42856 transitions. [2021-11-25 19:48:50,432 INFO L471 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) [2021-11-25 19:48:50,432 INFO L276 IsEmpty]: Start isEmpty. Operand 28288 states and 42856 transitions. [2021-11-25 19:48:50,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1577 [2021-11-25 19:48:50,492 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:48:50,493 INFO L514 BasicCegarLoop]: 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] [2021-11-25 19:48:50,493 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-25 19:48:50,493 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:48:50,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:48:50,495 INFO L85 PathProgramCache]: Analyzing trace with hash 1204840862, now seen corresponding path program 1 times [2021-11-25 19:48:50,495 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:48:50,496 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499883408] [2021-11-25 19:48:50,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:48:50,496 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:48:51,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:48:52,857 INFO L134 CoverageAnalysis]: Checked inductivity of 89727 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 89727 trivial. 0 not checked. [2021-11-25 19:48:52,857 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:48:52,857 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499883408] [2021-11-25 19:48:52,857 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [499883408] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:48:52,858 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:48:52,858 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 19:48:52,859 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454081509] [2021-11-25 19:48:52,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:48:52,860 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 19:48:52,861 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:48:52,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 19:48:52,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:48:52,862 INFO L87 Difference]: Start difference. First operand 28288 states and 42856 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) [2021-11-25 19:48:55,292 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.42s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:49:01,188 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:49:04,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:49:04,809 INFO L93 Difference]: Finished difference Result 82533 states and 125018 transitions. [2021-11-25 19:49:04,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 19:49:04,810 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 [2021-11-25 19:49:04,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:49:05,158 INFO L225 Difference]: With dead ends: 82533 [2021-11-25 19:49:05,159 INFO L226 Difference]: Without dead ends: 54546 [2021-11-25 19:49:05,274 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:49:05,277 INFO L933 BasicCegarLoop]: 8617 mSDtfsCounter, 5779 mSDsluCounter, 8272 mSDsCounter, 0 mSdLazyCounter, 2259 mSolverCounterSat, 13 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5780 SdHoareTripleChecker+Valid, 15804 SdHoareTripleChecker+Invalid, 2274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 2259 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.6s IncrementalHoareTripleChecker+Time [2021-11-25 19:49:05,279 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5780 Valid, 15804 Invalid, 2274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 2259 Invalid, 2 Unknown, 0 Unchecked, 10.6s Time] [2021-11-25 19:49:05,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54546 states. [2021-11-25 19:49:09,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54546 to 54540. [2021-11-25 19:49:09,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54540 states, 34285 states have (on average 1.3487239317485782) internal successors, (46241), 34928 states have internal predecessors, (46241), 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) [2021-11-25 19:49:09,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54540 states to 54540 states and 82528 transitions. [2021-11-25 19:49:09,479 INFO L78 Accepts]: Start accepts. Automaton has 54540 states and 82528 transitions. Word has length 1576 [2021-11-25 19:49:09,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:49:09,481 INFO L470 AbstractCegarLoop]: Abstraction has 54540 states and 82528 transitions. [2021-11-25 19:49:09,481 INFO L471 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) [2021-11-25 19:49:09,482 INFO L276 IsEmpty]: Start isEmpty. Operand 54540 states and 82528 transitions. [2021-11-25 19:49:09,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1578 [2021-11-25 19:49:09,540 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:49:09,541 INFO L514 BasicCegarLoop]: 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] [2021-11-25 19:49:09,541 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-25 19:49:09,541 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:49:09,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:49:09,543 INFO L85 PathProgramCache]: Analyzing trace with hash -862417864, now seen corresponding path program 1 times [2021-11-25 19:49:09,543 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:49:09,543 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634496452] [2021-11-25 19:49:09,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:49:09,546 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:49:10,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:49:11,654 INFO L134 CoverageAnalysis]: Checked inductivity of 89727 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 89727 trivial. 0 not checked. [2021-11-25 19:49:11,654 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:49:11,654 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [634496452] [2021-11-25 19:49:11,654 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [634496452] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:49:11,655 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:49:11,655 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 19:49:11,655 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445023312] [2021-11-25 19:49:11,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:49:11,657 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 19:49:11,658 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:49:11,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 19:49:11,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:49:11,659 INFO L87 Difference]: Start difference. First operand 54540 states and 82528 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) [2021-11-25 19:49:14,078 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.41s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:49:20,037 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:49:22,240 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:49:25,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:49:25,858 INFO L93 Difference]: Finished difference Result 162154 states and 245322 transitions. [2021-11-25 19:49:25,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 19:49:25,860 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 [2021-11-25 19:49:25,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:49:26,533 INFO L225 Difference]: With dead ends: 162154 [2021-11-25 19:49:26,533 INFO L226 Difference]: Without dead ends: 107915 [2021-11-25 19:49:27,015 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:49:27,027 INFO L933 BasicCegarLoop]: 9070 mSDtfsCounter, 7748 mSDsluCounter, 8273 mSDsCounter, 0 mSdLazyCounter, 2272 mSolverCounterSat, 13 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7748 SdHoareTripleChecker+Valid, 16257 SdHoareTripleChecker+Invalid, 2287 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 2272 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.8s IncrementalHoareTripleChecker+Time [2021-11-25 19:49:27,028 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7748 Valid, 16257 Invalid, 2287 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 2272 Invalid, 2 Unknown, 0 Unchecked, 11.8s Time] [2021-11-25 19:49:27,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107915 states. [2021-11-25 19:49:33,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107915 to 107909. [2021-11-25 19:49:33,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107909 states, 67998 states have (on average 1.348598488190829) internal successors, (91702), 69288 states have internal predecessors, (91702), 35674 states have call successors, (35674), 4236 states have call predecessors, (35674), 4236 states have return successors, (35704), 35528 states have call predecessors, (35704), 35674 states have call successors, (35704) [2021-11-25 19:49:34,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107909 states to 107909 states and 163080 transitions. [2021-11-25 19:49:34,361 INFO L78 Accepts]: Start accepts. Automaton has 107909 states and 163080 transitions. Word has length 1577 [2021-11-25 19:49:34,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 19:49:34,363 INFO L470 AbstractCegarLoop]: Abstraction has 107909 states and 163080 transitions. [2021-11-25 19:49:34,363 INFO L471 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) [2021-11-25 19:49:34,364 INFO L276 IsEmpty]: Start isEmpty. Operand 107909 states and 163080 transitions. [2021-11-25 19:49:34,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1581 [2021-11-25 19:49:34,433 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 19:49:34,434 INFO L514 BasicCegarLoop]: 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, 1] [2021-11-25 19:49:34,434 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-25 19:49:34,435 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 19:49:34,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 19:49:34,436 INFO L85 PathProgramCache]: Analyzing trace with hash 808310135, now seen corresponding path program 1 times [2021-11-25 19:49:34,436 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 19:49:34,436 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717534759] [2021-11-25 19:49:34,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 19:49:34,437 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 19:49:35,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 19:49:36,673 INFO L134 CoverageAnalysis]: Checked inductivity of 89727 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 89727 trivial. 0 not checked. [2021-11-25 19:49:36,674 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 19:49:36,674 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717534759] [2021-11-25 19:49:36,674 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1717534759] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 19:49:36,674 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 19:49:36,675 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 19:49:36,675 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742984293] [2021-11-25 19:49:36,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 19:49:36,677 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 19:49:36,677 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 19:49:36,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 19:49:36,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:49:36,678 INFO L87 Difference]: Start difference. First operand 107909 states and 163080 transitions. Second operand has 3 states, 3 states have (on average 66.33333333333333) internal successors, (199), 3 states have internal predecessors, (199), 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) [2021-11-25 19:49:38,770 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:49:40,798 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:49:50,051 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 19:49:54,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 19:49:54,282 INFO L93 Difference]: Finished difference Result 318803 states and 481682 transitions. [2021-11-25 19:49:54,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 19:49:54,283 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 66.33333333333333) internal successors, (199), 3 states have internal predecessors, (199), 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 1580 [2021-11-25 19:49:54,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 19:49:56,036 INFO L225 Difference]: With dead ends: 318803 [2021-11-25 19:49:56,036 INFO L226 Difference]: Without dead ends: 211195 [2021-11-25 19:49:56,365 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 19:49:56,366 INFO L933 BasicCegarLoop]: 8726 mSDtfsCounter, 5775 mSDsluCounter, 8272 mSDsCounter, 0 mSdLazyCounter, 2284 mSolverCounterSat, 13 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5776 SdHoareTripleChecker+Valid, 15913 SdHoareTripleChecker+Invalid, 2299 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 2284 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.1s IncrementalHoareTripleChecker+Time [2021-11-25 19:49:56,367 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5776 Valid, 15913 Invalid, 2299 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 2284 Invalid, 2 Unknown, 0 Unchecked, 12.1s Time] [2021-11-25 19:49:56,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211195 states.