./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--libertas--libertas.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_723fdbd1-0ad3-4720-8333-4833c7ee607e/bin/uautomizer-QkZJyEgLgS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_723fdbd1-0ad3-4720-8333-4833c7ee607e/bin/uautomizer-QkZJyEgLgS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_723fdbd1-0ad3-4720-8333-4833c7ee607e/bin/uautomizer-QkZJyEgLgS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_723fdbd1-0ad3-4720-8333-4833c7ee607e/bin/uautomizer-QkZJyEgLgS/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--libertas--libertas.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_723fdbd1-0ad3-4720-8333-4833c7ee607e/bin/uautomizer-QkZJyEgLgS/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_723fdbd1-0ad3-4720-8333-4833c7ee607e/bin/uautomizer-QkZJyEgLgS --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 122a5b8aee7ffa57666a2e715c82a40e311ca1508198b017217f9a7278ea61c3 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-4e7fbc6 [2022-11-23 03:06:55,386 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 03:06:55,389 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 03:06:55,412 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 03:06:55,412 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 03:06:55,414 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 03:06:55,416 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 03:06:55,418 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 03:06:55,420 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 03:06:55,421 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 03:06:55,423 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 03:06:55,424 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 03:06:55,425 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 03:06:55,426 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 03:06:55,428 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 03:06:55,429 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 03:06:55,431 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 03:06:55,432 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 03:06:55,434 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 03:06:55,436 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 03:06:55,438 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 03:06:55,442 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 03:06:55,444 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 03:06:55,445 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 03:06:55,449 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 03:06:55,450 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 03:06:55,450 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 03:06:55,451 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 03:06:55,452 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 03:06:55,453 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 03:06:55,454 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 03:06:55,455 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 03:06:55,456 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 03:06:55,457 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 03:06:55,458 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 03:06:55,459 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 03:06:55,459 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 03:06:55,460 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 03:06:55,460 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 03:06:55,461 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 03:06:55,462 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 03:06:55,463 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_723fdbd1-0ad3-4720-8333-4833c7ee607e/bin/uautomizer-QkZJyEgLgS/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-23 03:06:55,488 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 03:06:55,489 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 03:06:55,489 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 03:06:55,490 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 03:06:55,490 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 03:06:55,491 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 03:06:55,491 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-23 03:06:55,492 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-23 03:06:55,492 INFO L138 SettingsManager]: * Use SBE=true [2022-11-23 03:06:55,492 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 03:06:55,493 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 03:06:55,493 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 03:06:55,493 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 03:06:55,493 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 03:06:55,494 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 03:06:55,494 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 03:06:55,494 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 03:06:55,494 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 03:06:55,495 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 03:06:55,495 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 03:06:55,495 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 03:06:55,496 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 03:06:55,496 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 03:06:55,496 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 03:06:55,496 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 03:06:55,497 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-23 03:06:55,497 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 03:06:55,497 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-23 03:06:55,497 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 03:06:55,498 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-23 03:06:55,498 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-23 03:06:55,498 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_723fdbd1-0ad3-4720-8333-4833c7ee607e/bin/uautomizer-QkZJyEgLgS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_723fdbd1-0ad3-4720-8333-4833c7ee607e/bin/uautomizer-QkZJyEgLgS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 122a5b8aee7ffa57666a2e715c82a40e311ca1508198b017217f9a7278ea61c3 [2022-11-23 03:06:55,725 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 03:06:55,756 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 03:06:55,760 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 03:06:55,761 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 03:06:55,763 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 03:06:55,764 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_723fdbd1-0ad3-4720-8333-4833c7ee607e/bin/uautomizer-QkZJyEgLgS/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--libertas--libertas.ko-entry_point.cil.out.i [2022-11-23 03:06:59,001 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 03:06:59,875 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 03:06:59,876 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_723fdbd1-0ad3-4720-8333-4833c7ee607e/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--libertas--libertas.ko-entry_point.cil.out.i [2022-11-23 03:06:59,986 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_723fdbd1-0ad3-4720-8333-4833c7ee607e/bin/uautomizer-QkZJyEgLgS/data/53882a2fb/f19a1235e01b41c0b7159dc679af32da/FLAG2dcd0a8dd [2022-11-23 03:07:00,003 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_723fdbd1-0ad3-4720-8333-4833c7ee607e/bin/uautomizer-QkZJyEgLgS/data/53882a2fb/f19a1235e01b41c0b7159dc679af32da [2022-11-23 03:07:00,006 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 03:07:00,008 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 03:07:00,009 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 03:07:00,009 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 03:07:00,013 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 03:07:00,014 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:07:00" (1/1) ... [2022-11-23 03:07:00,015 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fda1044 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:07:00, skipping insertion in model container [2022-11-23 03:07:00,016 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:07:00" (1/1) ... [2022-11-23 03:07:00,024 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 03:07:00,336 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 03:07:08,704 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_723fdbd1-0ad3-4720-8333-4833c7ee607e/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--libertas--libertas.ko-entry_point.cil.out.i[692349,692362] [2022-11-23 03:07:09,066 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 03:07:09,152 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 03:07:10,254 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_723fdbd1-0ad3-4720-8333-4833c7ee607e/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--libertas--libertas.ko-entry_point.cil.out.i[692349,692362] [2022-11-23 03:07:10,270 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 03:07:10,841 INFO L208 MainTranslator]: Completed translation [2022-11-23 03:07:10,844 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:07:10 WrapperNode [2022-11-23 03:07:10,844 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 03:07:10,847 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 03:07:10,847 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 03:07:10,847 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 03:07:10,858 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:07:10" (1/1) ... [2022-11-23 03:07:11,170 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:07:10" (1/1) ... [2022-11-23 03:07:11,686 INFO L138 Inliner]: procedures = 760, calls = 11049, calls flagged for inlining = 280, calls inlined = 248, statements flattened = 17530 [2022-11-23 03:07:11,687 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 03:07:11,688 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 03:07:11,688 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 03:07:11,688 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 03:07:11,698 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:07:10" (1/1) ... [2022-11-23 03:07:11,699 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:07:10" (1/1) ... [2022-11-23 03:07:11,806 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:07:10" (1/1) ... [2022-11-23 03:07:11,807 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:07:10" (1/1) ... [2022-11-23 03:07:12,004 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:07:10" (1/1) ... [2022-11-23 03:07:12,051 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:07:10" (1/1) ... [2022-11-23 03:07:12,296 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:07:10" (1/1) ... [2022-11-23 03:07:12,336 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:07:10" (1/1) ... [2022-11-23 03:07:12,424 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 03:07:12,425 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 03:07:12,425 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 03:07:12,425 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 03:07:12,430 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:07:10" (1/1) ... [2022-11-23 03:07:12,439 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 03:07:12,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_723fdbd1-0ad3-4720-8333-4833c7ee607e/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 03:07:12,475 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_723fdbd1-0ad3-4720-8333-4833c7ee607e/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 03:07:12,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_723fdbd1-0ad3-4720-8333-4833c7ee607e/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 03:07:12,531 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_mac_event_disconnected [2022-11-23 03:07:12,531 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_mac_event_disconnected [2022-11-23 03:07:12,531 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2022-11-23 03:07:12,531 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2022-11-23 03:07:12,532 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-11-23 03:07:12,532 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-23 03:07:12,532 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-23 03:07:12,532 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_mesh_access [2022-11-23 03:07:12,533 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_mesh_access [2022-11-23 03:07:12,533 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_inform_bss [2022-11-23 03:07:12,533 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_inform_bss [2022-11-23 03:07:12,533 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-23 03:07:12,533 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-23 03:07:12,533 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-11-23 03:07:12,534 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-11-23 03:07:12,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-23 03:07:12,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-23 03:07:12,534 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_channel [2022-11-23 03:07:12,535 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_channel [2022-11-23 03:07:12,535 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_add_mesh [2022-11-23 03:07:12,535 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_add_mesh [2022-11-23 03:07:12,535 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work [2022-11-23 03:07:12,535 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work [2022-11-23 03:07:12,536 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2022-11-23 03:07:12,536 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2022-11-23 03:07:12,536 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_2 [2022-11-23 03:07:12,536 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_2 [2022-11-23 03:07:12,536 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_cfg_scan [2022-11-23 03:07:12,537 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_cfg_scan [2022-11-23 03:07:12,537 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_should_stop [2022-11-23 03:07:12,537 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_should_stop [2022-11-23 03:07:12,537 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-11-23 03:07:12,537 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-11-23 03:07:12,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_lbs_private [2022-11-23 03:07:12,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_lbs_private [2022-11-23 03:07:12,538 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_ps_confirm_sleep [2022-11-23 03:07:12,538 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_ps_confirm_sleep [2022-11-23 03:07:12,539 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~$Pointer$~X~~u16~0~TO~int [2022-11-23 03:07:12,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~$Pointer$~X~~u16~0~TO~int [2022-11-23 03:07:12,539 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_cfg_free [2022-11-23 03:07:12,539 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_cfg_free [2022-11-23 03:07:12,539 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-23 03:07:12,540 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-23 03:07:12,540 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_host_sleep_cfg [2022-11-23 03:07:12,540 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_host_sleep_cfg [2022-11-23 03:07:12,540 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdev [2022-11-23 03:07:12,540 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdev [2022-11-23 03:07:12,541 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-23 03:07:12,541 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-23 03:07:12,541 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-23 03:07:12,541 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-23 03:07:12,541 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-23 03:07:12,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-23 03:07:12,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-23 03:07:12,542 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-23 03:07:12,542 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-23 03:07:12,542 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2022-11-23 03:07:12,543 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_key_material [2022-11-23 03:07:12,543 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_key_material [2022-11-23 03:07:12,543 INFO L130 BoogieDeclarations]: Found specification of procedure __lbs_cmd_async [2022-11-23 03:07:12,543 INFO L138 BoogieDeclarations]: Found implementation of procedure __lbs_cmd_async [2022-11-23 03:07:12,543 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_wep_keys [2022-11-23 03:07:12,544 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_wep_keys [2022-11-23 03:07:12,544 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-11-23 03:07:12,544 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-11-23 03:07:12,544 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 03:07:12,544 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_auth_to_authtype [2022-11-23 03:07:12,545 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_auth_to_authtype [2022-11-23 03:07:12,545 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2022-11-23 03:07:12,545 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2022-11-23 03:07:12,545 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_dir [2022-11-23 03:07:12,545 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_dir [2022-11-23 03:07:12,546 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-11-23 03:07:12,546 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-11-23 03:07:12,546 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-23 03:07:12,546 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-23 03:07:12,546 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_eth_stop [2022-11-23 03:07:12,547 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_eth_stop [2022-11-23 03:07:12,547 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2022-11-23 03:07:12,547 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2022-11-23 03:07:12,547 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_free_adapter [2022-11-23 03:07:12,547 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_free_adapter [2022-11-23 03:07:12,548 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-23 03:07:12,548 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-23 03:07:12,548 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_iface_active [2022-11-23 03:07:12,548 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_iface_active [2022-11-23 03:07:12,548 INFO L130 BoogieDeclarations]: Found specification of procedure _internal_start_scan [2022-11-23 03:07:12,549 INFO L138 BoogieDeclarations]: Found implementation of procedure _internal_start_scan [2022-11-23 03:07:12,549 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_ps_mode [2022-11-23 03:07:12,549 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_ps_mode [2022-11-23 03:07:12,549 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-11-23 03:07:12,549 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-11-23 03:07:12,550 INFO L130 BoogieDeclarations]: Found specification of procedure add_ie_rates [2022-11-23 03:07:12,550 INFO L138 BoogieDeclarations]: Found implementation of procedure add_ie_rates [2022-11-23 03:07:12,550 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-23 03:07:12,550 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_remove_mesh [2022-11-23 03:07:12,550 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_remove_mesh [2022-11-23 03:07:12,550 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_ethtool_get_eeprom_len [2022-11-23 03:07:12,551 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_ethtool_get_eeprom_len [2022-11-23 03:07:12,551 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2022-11-23 03:07:12,551 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2022-11-23 03:07:12,551 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_cmd_async [2022-11-23 03:07:12,551 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_cmd_async [2022-11-23 03:07:12,552 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_mesh_activated [2022-11-23 03:07:12,552 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_mesh_activated [2022-11-23 03:07:12,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-23 03:07:12,552 INFO L130 BoogieDeclarations]: Found specification of procedure __lbs_complete_command [2022-11-23 03:07:12,552 INFO L138 BoogieDeclarations]: Found implementation of procedure __lbs_complete_command [2022-11-23 03:07:12,553 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_create_group [2022-11-23 03:07:12,553 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_create_group [2022-11-23 03:07:12,655 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_3 [2022-11-23 03:07:12,655 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_3 [2022-11-23 03:07:12,655 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 03:07:12,656 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-23 03:07:12,656 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-23 03:07:12,656 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_mcast_worker [2022-11-23 03:07:12,656 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_mcast_worker [2022-11-23 03:07:12,656 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2022-11-23 03:07:12,656 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2022-11-23 03:07:12,656 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2022-11-23 03:07:12,656 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2022-11-23 03:07:12,656 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-23 03:07:12,656 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-23 03:07:12,657 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_priv [2022-11-23 03:07:12,657 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_priv [2022-11-23 03:07:12,657 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_disconnect [2022-11-23 03:07:12,657 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_disconnect [2022-11-23 03:07:12,657 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2022-11-23 03:07:12,657 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2022-11-23 03:07:12,657 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-23 03:07:12,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-23 03:07:12,657 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-23 03:07:12,657 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_3 [2022-11-23 03:07:12,658 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_3 [2022-11-23 03:07:12,658 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-11-23 03:07:12,658 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-11-23 03:07:12,658 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 03:07:12,658 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_mesh_stop [2022-11-23 03:07:12,658 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_mesh_stop [2022-11-23 03:07:12,658 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_mesh_dev_open [2022-11-23 03:07:12,658 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_mesh_dev_open [2022-11-23 03:07:12,658 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_remove_wep_keys [2022-11-23 03:07:12,658 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_remove_wep_keys [2022-11-23 03:07:12,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-23 03:07:12,659 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_complete_command [2022-11-23 03:07:12,659 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_complete_command [2022-11-23 03:07:12,659 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-23 03:07:12,659 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_put_bss [2022-11-23 03:07:12,659 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_put_bss [2022-11-23 03:07:12,659 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-23 03:07:12,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-23 03:07:12,659 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-11-23 03:07:12,659 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-11-23 03:07:12,659 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-23 03:07:12,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-23 03:07:12,660 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-23 03:07:12,660 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-23 03:07:12,660 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_snmp_mib [2022-11-23 03:07:12,660 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_snmp_mib [2022-11-23 03:07:12,660 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_update_mcast [2022-11-23 03:07:12,660 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_update_mcast [2022-11-23 03:07:12,660 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_11d_domain_info [2022-11-23 03:07:12,660 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_11d_domain_info [2022-11-23 03:07:12,660 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-23 03:07:12,660 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-23 03:07:12,661 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-23 03:07:12,661 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-23 03:07:12,661 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_add_rates [2022-11-23 03:07:12,661 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_add_rates [2022-11-23 03:07:12,661 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2022-11-23 03:07:12,661 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2022-11-23 03:07:12,661 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2022-11-23 03:07:12,661 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2022-11-23 03:07:12,661 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_iface_type [2022-11-23 03:07:12,661 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_iface_type [2022-11-23 03:07:12,662 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_mac_control [2022-11-23 03:07:12,662 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_mac_control [2022-11-23 03:07:12,662 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-11-23 03:07:12,662 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-11-23 03:07:12,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 03:07:12,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 03:07:12,662 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_resume [2022-11-23 03:07:12,662 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_resume [2022-11-23 03:07:12,662 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_cfg_add_key [2022-11-23 03:07:12,662 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_cfg_add_key [2022-11-23 03:07:12,662 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-23 03:07:12,663 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-23 03:07:12,663 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_dev_open [2022-11-23 03:07:12,663 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_dev_open [2022-11-23 03:07:12,663 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_cfg_set_mesh_channel [2022-11-23 03:07:12,663 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_cfg_set_mesh_channel [2022-11-23 03:07:12,663 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_leave_ibss [2022-11-23 03:07:12,663 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_leave_ibss [2022-11-23 03:07:12,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-23 03:07:12,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-23 03:07:12,663 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_get_chandef_type [2022-11-23 03:07:12,664 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_get_chandef_type [2022-11-23 03:07:12,664 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-23 03:07:12,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-23 03:07:12,664 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_scan_worker [2022-11-23 03:07:12,664 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_scan_worker [2022-11-23 03:07:12,664 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-11-23 03:07:12,664 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-11-23 03:07:12,664 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_mesh_get_channel [2022-11-23 03:07:12,664 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_mesh_get_channel [2022-11-23 03:07:12,664 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-23 03:07:12,664 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-23 03:07:12,665 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-23 03:07:12,667 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-23 03:07:12,667 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_suspend [2022-11-23 03:07:12,667 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_suspend [2022-11-23 03:07:12,667 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2022-11-23 03:07:12,667 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2022-11-23 03:07:12,668 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-23 03:07:12,668 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-23 03:07:12,668 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-23 03:07:12,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-23 03:07:12,668 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_multicast_list [2022-11-23 03:07:12,669 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_multicast_list [2022-11-23 03:07:12,669 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2022-11-23 03:07:12,669 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2022-11-23 03:07:12,669 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_cfg_set_monitor_channel [2022-11-23 03:07:12,669 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_cfg_set_monitor_channel [2022-11-23 03:07:12,669 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_netdev_mqs [2022-11-23 03:07:12,670 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_netdev_mqs [2022-11-23 03:07:12,670 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-23 03:07:12,670 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-23 03:07:12,670 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_get_bss [2022-11-23 03:07:12,670 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_get_bss [2022-11-23 03:07:12,670 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-23 03:07:12,671 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-23 03:07:12,671 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_thread [2022-11-23 03:07:12,671 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_thread [2022-11-23 03:07:12,671 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_scan_done [2022-11-23 03:07:12,671 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_scan_done [2022-11-23 03:07:12,671 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-23 03:07:12,672 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-23 03:07:12,672 INFO L130 BoogieDeclarations]: Found specification of procedure eth_broadcast_addr [2022-11-23 03:07:12,672 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_broadcast_addr [2022-11-23 03:07:12,672 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2022-11-23 03:07:12,672 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2022-11-23 03:07:12,673 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-11-23 03:07:12,673 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-11-23 03:07:12,673 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2022-11-23 03:07:12,673 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2022-11-23 03:07:12,673 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-11-23 03:07:12,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-11-23 03:07:12,674 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_4 [2022-11-23 03:07:12,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_4 [2022-11-23 03:07:12,674 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_3 [2022-11-23 03:07:12,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_3 [2022-11-23 03:07:12,674 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 03:07:12,674 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_5 [2022-11-23 03:07:12,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_5 [2022-11-23 03:07:12,675 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-23 03:07:12,675 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-23 03:07:12,675 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_deep_sleep [2022-11-23 03:07:12,675 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_deep_sleep [2022-11-23 03:07:12,675 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_change_intf [2022-11-23 03:07:12,676 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_change_intf [2022-11-23 03:07:12,676 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_deb_hex [2022-11-23 03:07:12,676 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_deb_hex [2022-11-23 03:07:12,676 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-23 03:07:12,676 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-23 03:07:12,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-23 03:07:12,677 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_2 [2022-11-23 03:07:12,677 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_2 [2022-11-23 03:07:12,677 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_setup_firmware [2022-11-23 03:07:12,677 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_setup_firmware [2022-11-23 03:07:12,677 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_cfg_del_key [2022-11-23 03:07:12,677 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_cfg_del_key [2022-11-23 03:07:12,678 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_2 [2022-11-23 03:07:12,678 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_2 [2022-11-23 03:07:12,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-23 03:07:12,678 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-11-23 03:07:12,678 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-11-23 03:07:12,678 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_mesh_config [2022-11-23 03:07:12,679 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_mesh_config [2022-11-23 03:07:12,679 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-23 03:07:12,679 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-23 03:07:12,679 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-11-23 03:07:12,679 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-11-23 03:07:12,679 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2022-11-23 03:07:12,679 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2022-11-23 03:07:12,680 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-23 03:07:12,680 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-23 03:07:12,680 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_monitor_mode [2022-11-23 03:07:12,680 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_monitor_mode [2022-11-23 03:07:12,680 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_join_ibss [2022-11-23 03:07:12,680 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_join_ibss [2022-11-23 03:07:12,681 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count___1 [2022-11-23 03:07:12,681 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count___1 [2022-11-23 03:07:12,681 INFO L130 BoogieDeclarations]: Found specification of procedure simple_read_from_buffer [2022-11-23 03:07:12,681 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_read_from_buffer [2022-11-23 03:07:12,681 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-23 03:07:12,681 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-23 03:07:12,681 INFO L130 BoogieDeclarations]: Found specification of procedure free_pages [2022-11-23 03:07:12,682 INFO L138 BoogieDeclarations]: Found implementation of procedure free_pages [2022-11-23 03:07:12,682 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_bss_get_ie [2022-11-23 03:07:12,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_bss_get_ie [2022-11-23 03:07:12,682 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-23 03:07:12,682 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-23 03:07:12,682 INFO L130 BoogieDeclarations]: Found specification of procedure __lbs_cmd [2022-11-23 03:07:12,683 INFO L138 BoogieDeclarations]: Found implementation of procedure __lbs_cmd [2022-11-23 03:07:12,683 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_command_queue_empty [2022-11-23 03:07:12,683 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_command_queue_empty [2022-11-23 03:07:12,683 INFO L130 BoogieDeclarations]: Found specification of procedure get_zeroed_page [2022-11-23 03:07:12,683 INFO L138 BoogieDeclarations]: Found implementation of procedure get_zeroed_page [2022-11-23 03:07:12,683 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_cfg_set_default_key [2022-11-23 03:07:12,684 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_cfg_set_default_key [2022-11-23 03:07:12,684 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_enable_rsn [2022-11-23 03:07:12,684 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_enable_rsn [2022-11-23 03:07:12,684 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_process_event [2022-11-23 03:07:12,684 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_process_event [2022-11-23 03:07:12,684 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-23 03:07:12,684 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-23 03:07:12,685 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_remove_group [2022-11-23 03:07:12,685 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_remove_group [2022-11-23 03:07:12,685 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_send_mic_failureevent [2022-11-23 03:07:12,685 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_send_mic_failureevent [2022-11-23 03:07:12,685 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_3 [2022-11-23 03:07:12,685 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_3 [2022-11-23 03:07:12,686 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-23 03:07:12,686 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-23 03:07:12,686 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_join_post [2022-11-23 03:07:12,686 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_join_post [2022-11-23 03:07:12,686 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-23 03:07:12,686 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-23 03:07:12,686 INFO L130 BoogieDeclarations]: Found specification of procedure ether_setup [2022-11-23 03:07:12,687 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2022-11-23 03:07:12,687 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2022-11-23 03:07:12,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 03:07:12,687 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_stop_iface [2022-11-23 03:07:12,687 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_stop_iface [2022-11-23 03:07:12,687 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-11-23 03:07:12,688 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-11-23 03:07:12,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-23 03:07:12,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-23 03:07:12,688 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_radio [2022-11-23 03:07:12,688 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_radio [2022-11-23 03:07:12,688 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_debugfs_write [2022-11-23 03:07:12,688 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_debugfs_write [2022-11-23 03:07:12,689 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_add_mcast_addrs [2022-11-23 03:07:12,689 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_add_mcast_addrs [2022-11-23 03:07:12,689 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_start_iface [2022-11-23 03:07:12,689 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_start_iface [2022-11-23 03:07:12,689 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-23 03:07:12,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-23 03:07:12,690 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_mac_address [2022-11-23 03:07:12,690 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_mac_address [2022-11-23 03:07:12,690 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-11-23 03:07:12,690 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-11-23 03:07:12,690 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-11-23 03:07:12,690 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-11-23 03:07:12,690 INFO L130 BoogieDeclarations]: Found specification of procedure mesh_get_default_parameters [2022-11-23 03:07:12,691 INFO L138 BoogieDeclarations]: Found implementation of procedure mesh_get_default_parameters [2022-11-23 03:07:12,691 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_deb_hex___3 [2022-11-23 03:07:12,691 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_deb_hex___3 [2022-11-23 03:07:12,691 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_deb_hex___0 [2022-11-23 03:07:12,691 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_deb_hex___0 [2022-11-23 03:07:12,691 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-11-23 03:07:12,692 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-11-23 03:07:12,692 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_add_ssid_tlv [2022-11-23 03:07:12,692 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_add_ssid_tlv [2022-11-23 03:07:12,692 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_2 [2022-11-23 03:07:12,692 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_2 [2022-11-23 03:07:12,692 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_device_ops_17 [2022-11-23 03:07:12,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_device_ops_17 [2022-11-23 03:07:12,693 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_hard_start_xmit [2022-11-23 03:07:12,693 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_hard_start_xmit [2022-11-23 03:07:12,693 INFO L130 BoogieDeclarations]: Found specification of procedure __lbs_mesh_config_send [2022-11-23 03:07:12,693 INFO L138 BoogieDeclarations]: Found implementation of procedure __lbs_mesh_config_send [2022-11-23 03:07:12,693 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_mesh_config_send [2022-11-23 03:07:12,693 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_mesh_config_send [2022-11-23 03:07:12,693 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_disconnected [2022-11-23 03:07:12,694 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_disconnected [2022-11-23 03:07:12,694 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-11-23 03:07:12,694 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-11-23 03:07:12,694 INFO L130 BoogieDeclarations]: Found specification of procedure __lbs_cleanup_and_insert_cmd [2022-11-23 03:07:12,694 INFO L138 BoogieDeclarations]: Found implementation of procedure __lbs_cleanup_and_insert_cmd [2022-11-23 03:07:12,694 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2022-11-23 03:07:12,695 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2022-11-23 03:07:12,695 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_set_host_sleep [2022-11-23 03:07:12,695 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_set_host_sleep [2022-11-23 03:07:12,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 03:07:12,695 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_cfg_get_station [2022-11-23 03:07:12,695 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_cfg_get_station [2022-11-23 03:07:12,695 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-11-23 03:07:12,696 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-11-23 03:07:12,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_lbs_private [2022-11-23 03:07:12,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_lbs_private [2022-11-23 03:07:12,696 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2022-11-23 03:07:12,696 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2022-11-23 03:07:14,473 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 03:07:14,477 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 03:07:14,913 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-23 03:17:09,974 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 03:17:10,033 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 03:17:10,033 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-23 03:17:10,044 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:17:10 BoogieIcfgContainer [2022-11-23 03:17:10,045 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 03:17:10,050 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 03:17:10,050 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 03:17:10,054 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 03:17:10,055 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:07:00" (1/3) ... [2022-11-23 03:17:10,057 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a16639a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:17:10, skipping insertion in model container [2022-11-23 03:17:10,057 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:07:10" (2/3) ... [2022-11-23 03:17:10,058 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a16639a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:17:10, skipping insertion in model container [2022-11-23 03:17:10,058 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:17:10" (3/3) ... [2022-11-23 03:17:10,060 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--net--wireless--libertas--libertas.ko-entry_point.cil.out.i [2022-11-23 03:17:10,084 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 03:17:10,084 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-23 03:17:10,272 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 03:17:10,289 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4ae6a556, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 03:17:10,293 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-23 03:17:10,322 INFO L276 IsEmpty]: Start isEmpty. Operand has 4864 states, 3477 states have (on average 1.3781995973540409) internal successors, (4792), 3581 states have internal predecessors, (4792), 1200 states have call successors, (1200), 186 states have call predecessors, (1200), 185 states have return successors, (1179), 1158 states have call predecessors, (1179), 1179 states have call successors, (1179) [2022-11-23 03:17:10,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-11-23 03:17:10,367 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:17:10,368 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:17:10,369 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 03:17:10,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:17:10,377 INFO L85 PathProgramCache]: Analyzing trace with hash 629424073, now seen corresponding path program 1 times [2022-11-23 03:17:10,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:17:10,389 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886122085] [2022-11-23 03:17:10,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:17:10,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:17:11,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:17:12,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-23 03:17:12,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:17:12,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:17:12,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:17:12,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 03:17:12,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:17:12,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-23 03:17:12,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:17:12,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:17:12,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:17:12,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 03:17:12,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:17:13,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-23 03:17:13,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:17:13,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:17:13,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:17:13,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-23 03:17:13,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:17:13,141 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-23 03:17:13,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:17:13,142 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886122085] [2022-11-23 03:17:13,143 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1886122085] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:17:13,143 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:17:13,143 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 03:17:13,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221388942] [2022-11-23 03:17:13,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:17:13,151 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 03:17:13,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:17:13,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 03:17:13,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 03:17:13,219 INFO L87 Difference]: Start difference. First operand has 4864 states, 3477 states have (on average 1.3781995973540409) internal successors, (4792), 3581 states have internal predecessors, (4792), 1200 states have call successors, (1200), 186 states have call predecessors, (1200), 185 states have return successors, (1179), 1158 states have call predecessors, (1179), 1179 states have call successors, (1179) Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (8), 5 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-23 03:17:15,720 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.46s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 03:17:26,822 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 03:17:29,685 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 03:17:34,358 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 03:17:40,375 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 03:17:40,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:17:40,645 INFO L93 Difference]: Finished difference Result 10364 states and 15642 transitions. [2022-11-23 03:17:40,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 03:17:40,648 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (8), 5 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 75 [2022-11-23 03:17:40,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:17:40,728 INFO L225 Difference]: With dead ends: 10364 [2022-11-23 03:17:40,729 INFO L226 Difference]: Without dead ends: 5471 [2022-11-23 03:17:40,764 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-11-23 03:17:40,768 INFO L413 NwaCegarLoop]: 5764 mSDtfsCounter, 4965 mSDsluCounter, 3301 mSDsCounter, 0 mSdLazyCounter, 3557 mSolverCounterSat, 4875 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5071 SdHoareTripleChecker+Valid, 9065 SdHoareTripleChecker+Invalid, 8436 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 4875 IncrementalHoareTripleChecker+Valid, 3557 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.2s IncrementalHoareTripleChecker+Time [2022-11-23 03:17:40,769 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5071 Valid, 9065 Invalid, 8436 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4875 Valid, 3557 Invalid, 4 Unknown, 0 Unchecked, 26.2s Time] [2022-11-23 03:17:40,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5471 states. [2022-11-23 03:17:41,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5471 to 4830. [2022-11-23 03:17:41,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4830 states, 3466 states have (on average 1.3707443739180611) internal successors, (4751), 3547 states have internal predecessors, (4751), 1179 states have call successors, (1179), 185 states have call predecessors, (1179), 184 states have return successors, (1173), 1152 states have call predecessors, (1173), 1173 states have call successors, (1173) [2022-11-23 03:17:41,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4830 states to 4830 states and 7103 transitions. [2022-11-23 03:17:41,304 INFO L78 Accepts]: Start accepts. Automaton has 4830 states and 7103 transitions. Word has length 75 [2022-11-23 03:17:41,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:17:41,304 INFO L495 AbstractCegarLoop]: Abstraction has 4830 states and 7103 transitions. [2022-11-23 03:17:41,305 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (8), 5 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-23 03:17:41,305 INFO L276 IsEmpty]: Start isEmpty. Operand 4830 states and 7103 transitions. [2022-11-23 03:17:41,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-11-23 03:17:41,317 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:17:41,317 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:17:41,318 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 03:17:41,318 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 03:17:41,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:17:41,319 INFO L85 PathProgramCache]: Analyzing trace with hash -1780774075, now seen corresponding path program 1 times [2022-11-23 03:17:41,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:17:41,319 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927422594] [2022-11-23 03:17:41,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:17:41,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:17:41,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:17:43,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-23 03:17:43,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:17:43,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:17:43,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:17:43,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 03:17:43,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:17:43,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-23 03:17:43,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:17:43,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:17:43,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:17:43,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 03:17:43,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:17:43,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-23 03:17:43,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:17:43,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:17:43,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:17:43,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-23 03:17:43,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:17:43,734 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-23 03:17:43,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:17:43,735 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927422594] [2022-11-23 03:17:43,735 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [927422594] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:17:43,735 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:17:43,736 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-23 03:17:43,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399260946] [2022-11-23 03:17:43,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:17:43,739 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 03:17:43,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:17:43,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 03:17:43,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-23 03:17:43,741 INFO L87 Difference]: Start difference. First operand 4830 states and 7103 transitions. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (8), 5 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-23 03:17:45,542 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 03:17:47,562 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 03:18:00,042 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 03:18:02,971 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 03:18:07,399 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 03:18:13,739 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 03:18:20,097 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 03:18:24,045 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 03:18:28,414 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 03:18:33,386 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 03:18:33,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:18:33,576 INFO L93 Difference]: Finished difference Result 15609 states and 23376 transitions. [2022-11-23 03:18:33,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 03:18:33,578 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (8), 5 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 75 [2022-11-23 03:18:33,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:18:33,673 INFO L225 Difference]: With dead ends: 15609 [2022-11-23 03:18:33,674 INFO L226 Difference]: Without dead ends: 10793 [2022-11-23 03:18:33,707 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-11-23 03:18:33,708 INFO L413 NwaCegarLoop]: 6624 mSDtfsCounter, 16240 mSDsluCounter, 8480 mSDsCounter, 0 mSdLazyCounter, 7321 mSolverCounterSat, 10345 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 44.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17020 SdHoareTripleChecker+Valid, 15104 SdHoareTripleChecker+Invalid, 17674 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 10345 IncrementalHoareTripleChecker+Valid, 7321 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 48.5s IncrementalHoareTripleChecker+Time [2022-11-23 03:18:33,708 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17020 Valid, 15104 Invalid, 17674 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [10345 Valid, 7321 Invalid, 8 Unknown, 0 Unchecked, 48.5s Time] [2022-11-23 03:18:33,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10793 states. [2022-11-23 03:18:34,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10793 to 9523. [2022-11-23 03:18:34,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9523 states, 6843 states have (on average 1.3735203857957037) internal successors, (9399), 7002 states have internal predecessors, (9399), 2311 states have call successors, (2311), 368 states have call predecessors, (2311), 368 states have return successors, (2309), 2263 states have call predecessors, (2309), 2305 states have call successors, (2309) [2022-11-23 03:18:34,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9523 states to 9523 states and 14019 transitions. [2022-11-23 03:18:34,469 INFO L78 Accepts]: Start accepts. Automaton has 9523 states and 14019 transitions. Word has length 75 [2022-11-23 03:18:34,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:18:34,470 INFO L495 AbstractCegarLoop]: Abstraction has 9523 states and 14019 transitions. [2022-11-23 03:18:34,472 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (8), 5 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-23 03:18:34,472 INFO L276 IsEmpty]: Start isEmpty. Operand 9523 states and 14019 transitions. [2022-11-23 03:18:34,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-11-23 03:18:34,480 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:18:34,481 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:18:34,481 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 03:18:34,481 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 03:18:34,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:18:34,482 INFO L85 PathProgramCache]: Analyzing trace with hash 1941532441, now seen corresponding path program 1 times [2022-11-23 03:18:34,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:18:34,482 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164324971] [2022-11-23 03:18:34,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:18:34,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:18:35,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:18:36,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-23 03:18:36,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:18:36,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:18:36,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:18:36,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 03:18:36,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:18:36,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-23 03:18:36,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:18:36,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:18:36,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:18:36,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 03:18:36,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:18:37,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-23 03:18:37,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:18:37,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:18:37,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:18:37,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2022-11-23 03:18:37,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:18:37,082 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-23 03:18:37,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:18:37,085 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [164324971] [2022-11-23 03:18:37,085 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [164324971] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:18:37,086 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:18:37,086 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-23 03:18:37,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739375492] [2022-11-23 03:18:37,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:18:37,087 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-23 03:18:37,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:18:37,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-23 03:18:37,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-23 03:18:37,089 INFO L87 Difference]: Start difference. First operand 9523 states and 14019 transitions. Second operand has 7 states, 7 states have (on average 7.0) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (8), 5 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-11-23 03:18:39,635 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 03:18:41,650 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 03:18:43,534 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 03:18:58,610 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 03:19:02,259 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 03:19:04,264 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 03:19:06,093 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 03:19:12,550 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 03:19:14,058 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 03:19:16,072 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 03:19:27,599 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 03:19:29,612 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 03:19:31,620 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 03:19:37,062 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 03:19:39,072 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 03:19:40,096 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 03:19:43,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:19:43,147 INFO L93 Difference]: Finished difference Result 20339 states and 30326 transitions. [2022-11-23 03:19:43,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-23 03:19:43,147 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (8), 5 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 80 [2022-11-23 03:19:43,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:19:43,247 INFO L225 Difference]: With dead ends: 20339 [2022-11-23 03:19:43,247 INFO L226 Difference]: Without dead ends: 10830 [2022-11-23 03:19:43,303 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2022-11-23 03:19:43,304 INFO L413 NwaCegarLoop]: 7140 mSDtfsCounter, 11171 mSDsluCounter, 16688 mSDsCounter, 0 mSdLazyCounter, 11476 mSolverCounterSat, 4637 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 61.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11859 SdHoareTripleChecker+Valid, 23828 SdHoareTripleChecker+Invalid, 16125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 4637 IncrementalHoareTripleChecker+Valid, 11476 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 64.8s IncrementalHoareTripleChecker+Time [2022-11-23 03:19:43,304 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11859 Valid, 23828 Invalid, 16125 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4637 Valid, 11476 Invalid, 12 Unknown, 0 Unchecked, 64.8s Time] [2022-11-23 03:19:43,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10830 states. [2022-11-23 03:19:44,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10830 to 9564. [2022-11-23 03:19:44,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9564 states, 6872 states have (on average 1.3723806752037253) internal successors, (9431), 7031 states have internal predecessors, (9431), 2314 states have call successors, (2314), 377 states have call predecessors, (2314), 377 states have return successors, (2312), 2266 states have call predecessors, (2312), 2308 states have call successors, (2312) [2022-11-23 03:19:44,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9564 states to 9564 states and 14057 transitions. [2022-11-23 03:19:44,196 INFO L78 Accepts]: Start accepts. Automaton has 9564 states and 14057 transitions. Word has length 80 [2022-11-23 03:19:44,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:19:44,197 INFO L495 AbstractCegarLoop]: Abstraction has 9564 states and 14057 transitions. [2022-11-23 03:19:44,197 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (8), 5 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-11-23 03:19:44,198 INFO L276 IsEmpty]: Start isEmpty. Operand 9564 states and 14057 transitions. [2022-11-23 03:19:44,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2022-11-23 03:19:44,227 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:19:44,228 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 03:19:44,228 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-23 03:19:44,228 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 03:19:44,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:19:44,230 INFO L85 PathProgramCache]: Analyzing trace with hash 1094604201, now seen corresponding path program 1 times [2022-11-23 03:19:44,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:19:44,231 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592381531] [2022-11-23 03:19:44,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:19:44,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:19:44,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:19:45,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-23 03:19:45,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:19:46,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:19:46,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:19:46,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 03:19:46,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:19:46,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-23 03:19:46,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:19:46,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:19:46,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:19:46,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 03:19:46,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:19:46,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-23 03:19:46,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:19:46,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:19:46,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:19:46,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-23 03:19:46,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:19:46,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-23 03:19:46,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:19:46,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2022-11-23 03:19:46,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:19:46,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-23 03:19:46,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:19:46,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-23 03:19:46,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:19:46,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-23 03:19:46,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:19:46,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2022-11-23 03:19:46,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:19:46,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-23 03:19:46,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:19:46,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2022-11-23 03:19:46,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:19:46,297 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-11-23 03:19:46,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:19:46,298 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592381531] [2022-11-23 03:19:46,298 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1592381531] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:19:46,298 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:19:46,298 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-23 03:19:46,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929653138] [2022-11-23 03:19:46,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:19:46,299 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 03:19:46,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:19:46,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 03:19:46,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-23 03:19:46,300 INFO L87 Difference]: Start difference. First operand 9564 states and 14057 transitions. Second operand has 6 states, 6 states have (on average 17.0) internal successors, (102), 3 states have internal predecessors, (102), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-23 03:19:48,697 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.39s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 03:19:50,715 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 03:19:59,866 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 03:20:09,808 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 03:20:11,573 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 03:20:17,468 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 03:20:35,386 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 03:20:37,393 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 03:20:38,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:20:38,632 INFO L93 Difference]: Finished difference Result 30869 states and 46315 transitions. [2022-11-23 03:20:38,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 03:20:38,632 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.0) internal successors, (102), 3 states have internal predecessors, (102), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 167 [2022-11-23 03:20:38,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:20:38,780 INFO L225 Difference]: With dead ends: 30869 [2022-11-23 03:20:38,781 INFO L226 Difference]: Without dead ends: 21319 [2022-11-23 03:20:38,830 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-11-23 03:20:38,831 INFO L413 NwaCegarLoop]: 6737 mSDtfsCounter, 12612 mSDsluCounter, 11616 mSDsCounter, 0 mSdLazyCounter, 9823 mSolverCounterSat, 7009 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 47.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13378 SdHoareTripleChecker+Valid, 18353 SdHoareTripleChecker+Invalid, 16839 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 7009 IncrementalHoareTripleChecker+Valid, 9823 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 50.6s IncrementalHoareTripleChecker+Time [2022-11-23 03:20:38,831 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13378 Valid, 18353 Invalid, 16839 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [7009 Valid, 9823 Invalid, 7 Unknown, 0 Unchecked, 50.6s Time] [2022-11-23 03:20:38,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21319 states. [2022-11-23 03:20:40,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21319 to 19270. [2022-11-23 03:20:40,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19270 states, 13848 states have (on average 1.3712449451184288) internal successors, (18989), 14178 states have internal predecessors, (18989), 4636 states have call successors, (4636), 730 states have call predecessors, (4636), 785 states have return successors, (4908), 4597 states have call predecessors, (4908), 4630 states have call successors, (4908) [2022-11-23 03:20:40,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19270 states to 19270 states and 28533 transitions. [2022-11-23 03:20:40,698 INFO L78 Accepts]: Start accepts. Automaton has 19270 states and 28533 transitions. Word has length 167 [2022-11-23 03:20:40,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 03:20:40,699 INFO L495 AbstractCegarLoop]: Abstraction has 19270 states and 28533 transitions. [2022-11-23 03:20:40,699 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.0) internal successors, (102), 3 states have internal predecessors, (102), 2 states have call successors, (21), 5 states have call predecessors, (21), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-23 03:20:40,699 INFO L276 IsEmpty]: Start isEmpty. Operand 19270 states and 28533 transitions. [2022-11-23 03:20:40,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2022-11-23 03:20:40,724 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 03:20:40,724 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 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] [2022-11-23 03:20:40,725 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-23 03:20:40,725 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 03:20:40,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 03:20:40,726 INFO L85 PathProgramCache]: Analyzing trace with hash -921001912, now seen corresponding path program 1 times [2022-11-23 03:20:40,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 03:20:40,726 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687467016] [2022-11-23 03:20:40,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 03:20:40,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 03:20:41,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:20:42,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-23 03:20:42,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:20:42,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:20:42,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:20:42,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 03:20:42,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:20:42,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-23 03:20:42,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:20:42,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:20:42,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:20:42,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 03:20:42,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:20:42,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-11-23 03:20:42,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:20:42,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:20:42,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:20:42,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-23 03:20:42,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:20:42,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:20:42,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:20:42,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 03:20:42,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:20:42,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-23 03:20:42,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:20:42,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-23 03:20:42,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:20:42,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-23 03:20:42,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:20:42,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-23 03:20:42,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:20:42,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-11-23 03:20:42,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:20:42,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-23 03:20:42,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:20:42,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-11-23 03:20:42,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:20:42,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-11-23 03:20:42,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:20:42,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2022-11-23 03:20:42,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:20:42,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-11-23 03:20:42,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:20:42,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2022-11-23 03:20:42,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:20:42,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-11-23 03:20:42,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 03:20:42,651 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2022-11-23 03:20:42,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 03:20:42,651 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [687467016] [2022-11-23 03:20:42,651 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [687467016] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 03:20:42,651 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 03:20:42,652 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-23 03:20:42,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134667134] [2022-11-23 03:20:42,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 03:20:42,653 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 03:20:42,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 03:20:42,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 03:20:42,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-23 03:20:42,654 INFO L87 Difference]: Start difference. First operand 19270 states and 28533 transitions. Second operand has 6 states, 6 states have (on average 18.166666666666668) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-23 03:20:45,036 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 03:20:51,250 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 03:20:57,710 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 03:20:59,477 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 03:21:07,126 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 03:21:07,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 03:21:07,818 INFO L93 Difference]: Finished difference Result 40028 states and 59914 transitions. [2022-11-23 03:21:07,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 03:21:07,819 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 18.166666666666668) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 204 [2022-11-23 03:21:07,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 03:21:08,092 INFO L225 Difference]: With dead ends: 40028 [2022-11-23 03:21:08,092 INFO L226 Difference]: Without dead ends: 20772 [2022-11-23 03:21:08,176 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-11-23 03:21:08,177 INFO L413 NwaCegarLoop]: 5594 mSDtfsCounter, 11443 mSDsluCounter, 3254 mSDsCounter, 0 mSdLazyCounter, 3638 mSolverCounterSat, 5708 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12113 SdHoareTripleChecker+Valid, 8848 SdHoareTripleChecker+Invalid, 9350 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5708 IncrementalHoareTripleChecker+Valid, 3638 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.6s IncrementalHoareTripleChecker+Time [2022-11-23 03:21:08,178 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12113 Valid, 8848 Invalid, 9350 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5708 Valid, 3638 Invalid, 4 Unknown, 0 Unchecked, 23.6s Time] [2022-11-23 03:21:08,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20772 states.