./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath9k--ath9k_htc.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adfbad06-f842-4e6f-b7ee-3382f4290e0d/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adfbad06-f842-4e6f-b7ee-3382f4290e0d/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adfbad06-f842-4e6f-b7ee-3382f4290e0d/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adfbad06-f842-4e6f-b7ee-3382f4290e0d/bin/uautomizer-DQz5hQGWxF/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath9k--ath9k_htc.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adfbad06-f842-4e6f-b7ee-3382f4290e0d/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adfbad06-f842-4e6f-b7ee-3382f4290e0d/bin/uautomizer-DQz5hQGWxF --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 9d67535bb3f3fe0b9e64b674c8797527ba05e817b0bdaf34e718a61b3134296a --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 06:45:45,416 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 06:45:45,419 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 06:45:45,488 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 06:45:45,488 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 06:45:45,494 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 06:45:45,496 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 06:45:45,501 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 06:45:45,504 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 06:45:45,512 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 06:45:45,514 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 06:45:45,516 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 06:45:45,517 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 06:45:45,520 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 06:45:45,524 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 06:45:45,530 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 06:45:45,533 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 06:45:45,535 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 06:45:45,537 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 06:45:45,546 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 06:45:45,550 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 06:45:45,552 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 06:45:45,556 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 06:45:45,557 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 06:45:45,563 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 06:45:45,564 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 06:45:45,564 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 06:45:45,567 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 06:45:45,568 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 06:45:45,570 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 06:45:45,570 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 06:45:45,571 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 06:45:45,574 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 06:45:45,575 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 06:45:45,577 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 06:45:45,577 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 06:45:45,578 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 06:45:45,579 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 06:45:45,579 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 06:45:45,580 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 06:45:45,581 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 06:45:45,582 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adfbad06-f842-4e6f-b7ee-3382f4290e0d/bin/uautomizer-DQz5hQGWxF/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-20 06:45:45,629 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 06:45:45,629 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 06:45:45,630 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 06:45:45,630 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 06:45:45,638 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 06:45:45,638 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 06:45:45,639 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 06:45:45,640 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 06:45:45,640 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 06:45:45,640 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 06:45:45,642 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 06:45:45,642 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 06:45:45,642 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 06:45:45,642 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 06:45:45,643 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 06:45:45,643 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 06:45:45,643 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 06:45:45,643 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 06:45:45,644 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 06:45:45,644 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 06:45:45,644 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 06:45:45,645 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 06:45:45,645 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 06:45:45,645 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 06:45:45,645 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 06:45:45,646 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 06:45:45,646 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 06:45:45,646 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 06:45:45,646 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-20 06:45:45,648 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 06:45:45,648 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 06:45:45,649 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adfbad06-f842-4e6f-b7ee-3382f4290e0d/bin/uautomizer-DQz5hQGWxF/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adfbad06-f842-4e6f-b7ee-3382f4290e0d/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9d67535bb3f3fe0b9e64b674c8797527ba05e817b0bdaf34e718a61b3134296a [2021-11-20 06:45:45,965 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 06:45:45,991 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 06:45:45,994 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 06:45:45,996 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 06:45:45,997 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 06:45:45,998 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adfbad06-f842-4e6f-b7ee-3382f4290e0d/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath9k--ath9k_htc.ko-entry_point.cil.out.i [2021-11-20 06:45:46,075 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adfbad06-f842-4e6f-b7ee-3382f4290e0d/bin/uautomizer-DQz5hQGWxF/data/809acca0d/2e0b902283d94e6591b6f733892e40c7/FLAGe1ad89076 [2021-11-20 06:45:47,376 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 06:45:47,378 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adfbad06-f842-4e6f-b7ee-3382f4290e0d/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath9k--ath9k_htc.ko-entry_point.cil.out.i [2021-11-20 06:45:47,492 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adfbad06-f842-4e6f-b7ee-3382f4290e0d/bin/uautomizer-DQz5hQGWxF/data/809acca0d/2e0b902283d94e6591b6f733892e40c7/FLAGe1ad89076 [2021-11-20 06:45:47,943 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adfbad06-f842-4e6f-b7ee-3382f4290e0d/bin/uautomizer-DQz5hQGWxF/data/809acca0d/2e0b902283d94e6591b6f733892e40c7 [2021-11-20 06:45:47,946 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 06:45:47,948 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 06:45:47,949 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 06:45:47,950 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 06:45:47,955 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 06:45:47,957 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:45:47" (1/1) ... [2021-11-20 06:45:47,958 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75c0d2b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:45:47, skipping insertion in model container [2021-11-20 06:45:47,958 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:45:47" (1/1) ... [2021-11-20 06:45:47,967 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 06:45:48,221 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 06:45:50,033 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adfbad06-f842-4e6f-b7ee-3382f4290e0d/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath9k--ath9k_htc.ko-entry_point.cil.out.i[239827,239840] [2021-11-20 06:45:57,057 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:45:57,152 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 06:45:57,425 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adfbad06-f842-4e6f-b7ee-3382f4290e0d/sv-benchmarks/c/ldv-linux-3.16-rc1/205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath9k--ath9k_htc.ko-entry_point.cil.out.i[239827,239840] [2021-11-20 06:45:58,174 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:45:58,576 INFO L208 MainTranslator]: Completed translation [2021-11-20 06:45:58,577 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:45:58 WrapperNode [2021-11-20 06:45:58,577 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 06:45:58,579 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 06:45:58,579 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 06:45:58,579 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 06:45:58,588 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:45:58" (1/1) ... [2021-11-20 06:45:58,849 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:45:58" (1/1) ... [2021-11-20 06:45:59,293 INFO L137 Inliner]: procedures = 713, calls = 6649, calls flagged for inlining = 344, calls inlined = 262, statements flattened = 13076 [2021-11-20 06:45:59,294 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 06:45:59,295 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 06:45:59,295 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 06:45:59,296 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 06:45:59,306 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:45:58" (1/1) ... [2021-11-20 06:45:59,306 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:45:58" (1/1) ... [2021-11-20 06:45:59,487 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:45:58" (1/1) ... [2021-11-20 06:45:59,489 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:45:58" (1/1) ... [2021-11-20 06:45:59,868 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:45:58" (1/1) ... [2021-11-20 06:45:59,931 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:45:58" (1/1) ... [2021-11-20 06:46:00,191 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:45:58" (1/1) ... [2021-11-20 06:46:00,296 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 06:46:00,311 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 06:46:00,311 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 06:46:00,312 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 06:46:00,322 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:45:58" (1/1) ... [2021-11-20 06:46:00,342 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 06:46:00,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adfbad06-f842-4e6f-b7ee-3382f4290e0d/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:46:00,393 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adfbad06-f842-4e6f-b7ee-3382f4290e0d/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 06:46:00,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adfbad06-f842-4e6f-b7ee-3382f4290e0d/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 06:46:00,472 INFO L130 BoogieDeclarations]: Found specification of procedure hif_usb_start [2021-11-20 06:46:00,473 INFO L138 BoogieDeclarations]: Found implementation of procedure hif_usb_start [2021-11-20 06:46:00,473 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_beaconq_config [2021-11-20 06:46:00,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_beaconq_config [2021-11-20 06:46:00,474 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2021-11-20 06:46:00,474 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2021-11-20 06:46:00,474 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_setpower [2021-11-20 06:46:00,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_setpower [2021-11-20 06:46:00,474 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_sw_scan_complete [2021-11-20 06:46:00,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_sw_scan_complete [2021-11-20 06:46:00,475 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_et_sset_count [2021-11-20 06:46:00,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_et_sset_count [2021-11-20 06:46:00,475 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2021-11-20 06:46:00,475 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2021-11-20 06:46:00,476 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_reset [2021-11-20 06:46:00,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_reset [2021-11-20 06:46:00,476 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_dev [2021-11-20 06:46:00,476 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_dev [2021-11-20 06:46:00,490 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_host_rx_init [2021-11-20 06:46:00,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_host_rx_init [2021-11-20 06:46:00,490 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_et_stats [2021-11-20 06:46:00,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_et_stats [2021-11-20 06:46:00,491 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-11-20 06:46:00,491 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-11-20 06:46:00,491 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_tsf [2021-11-20 06:46:00,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_tsf [2021-11-20 06:46:00,491 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-20 06:46:00,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-20 06:46:00,492 INFO L130 BoogieDeclarations]: Found specification of procedure conf_is_ht40 [2021-11-20 06:46:00,492 INFO L138 BoogieDeclarations]: Found implementation of procedure conf_is_ht40 [2021-11-20 06:46:00,492 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_process [2021-11-20 06:46:00,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_process [2021-11-20 06:46:00,493 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_cleanup_queue [2021-11-20 06:46:00,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_cleanup_queue [2021-11-20 06:46:00,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_alloc [2021-11-20 06:46:00,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_alloc [2021-11-20 06:46:00,494 INFO L130 BoogieDeclarations]: Found specification of procedure htc_stop [2021-11-20 06:46:00,494 INFO L138 BoogieDeclarations]: Found implementation of procedure htc_stop [2021-11-20 06:46:00,494 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_bss_info_changed [2021-11-20 06:46:00,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_bss_info_changed [2021-11-20 06:46:00,496 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_ps_wakeup [2021-11-20 06:46:00,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_ps_wakeup [2021-11-20 06:46:00,497 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_sta_rc_update [2021-11-20 06:46:00,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_sta_rc_update [2021-11-20 06:46:00,497 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_tsf [2021-11-20 06:46:00,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_tsf [2021-11-20 06:46:00,497 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-20 06:46:00,498 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-20 06:46:00,498 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_regwrite_multi [2021-11-20 06:46:00,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_regwrite_multi [2021-11-20 06:46:00,499 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_beacon_config_sta [2021-11-20 06:46:00,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_beacon_config_sta [2021-11-20 06:46:00,499 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_et_strings [2021-11-20 06:46:00,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_et_strings [2021-11-20 06:46:00,499 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_drain [2021-11-20 06:46:00,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_drain [2021-11-20 06:46:00,500 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_unregister_hw [2021-11-20 06:46:00,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_unregister_hw [2021-11-20 06:46:00,501 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_get_packet [2021-11-20 06:46:00,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_get_packet [2021-11-20 06:46:00,502 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_hw_free [2021-11-20 06:46:00,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_hw_free [2021-11-20 06:46:00,502 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-20 06:46:00,502 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-20 06:46:00,503 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_wait_for_target [2021-11-20 06:46:00,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_wait_for_target [2021-11-20 06:46:00,503 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_rxena [2021-11-20 06:46:00,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_rxena [2021-11-20 06:46:00,504 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_aggr_oper [2021-11-20 06:46:00,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_aggr_oper [2021-11-20 06:46:00,504 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_tx_cleanup [2021-11-20 06:46:00,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_tx_cleanup [2021-11-20 06:46:00,505 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_stats [2021-11-20 06:46:00,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_stats [2021-11-20 06:46:00,506 INFO L130 BoogieDeclarations]: Found specification of procedure wmi_cmd_to_name [2021-11-20 06:46:00,506 INFO L138 BoogieDeclarations]: Found implementation of procedure wmi_cmd_to_name [2021-11-20 06:46:00,506 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_stop_ani [2021-11-20 06:46:00,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_stop_ani [2021-11-20 06:46:00,507 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u32 [2021-11-20 06:46:00,507 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_qos_ctl [2021-11-20 06:46:00,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_qos_ctl [2021-11-20 06:46:00,507 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-20 06:46:00,507 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-20 06:46:00,507 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_txcompletion_cb [2021-11-20 06:46:00,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_txcompletion_cb [2021-11-20 06:46:00,508 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_ps_restore [2021-11-20 06:46:00,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_ps_restore [2021-11-20 06:46:00,508 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_disable [2021-11-20 06:46:00,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_disable [2021-11-20 06:46:00,509 INFO L130 BoogieDeclarations]: Found specification of procedure htc_connect_service [2021-11-20 06:46:00,510 INFO L138 BoogieDeclarations]: Found implementation of procedure htc_connect_service [2021-11-20 06:46:00,510 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_wmi_event_drain [2021-11-20 06:46:00,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_wmi_event_drain [2021-11-20 06:46:00,510 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 06:46:00,510 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_rfkill_poll_state [2021-11-20 06:46:00,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_rfkill_poll_state [2021-11-20 06:46:00,511 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_init_htc_services [2021-11-20 06:46:00,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_init_htc_services [2021-11-20 06:46:00,512 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-11-20 06:46:00,512 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-11-20 06:46:00,526 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-11-20 06:46:00,526 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-11-20 06:46:00,526 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_queue_delayed_work [2021-11-20 06:46:00,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_queue_delayed_work [2021-11-20 06:46:00,527 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2021-11-20 06:46:00,527 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2021-11-20 06:46:00,527 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_beacon_config_adhoc [2021-11-20 06:46:00,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_beacon_config_adhoc [2021-11-20 06:46:00,527 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_common [2021-11-20 06:46:00,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_common [2021-11-20 06:46:00,528 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-20 06:46:00,528 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-20 06:46:00,528 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_setrxfilter [2021-11-20 06:46:00,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_setrxfilter [2021-11-20 06:46:00,529 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-11-20 06:46:00,529 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-11-20 06:46:00,529 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_config [2021-11-20 06:46:00,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_config [2021-11-20 06:46:00,530 INFO L130 BoogieDeclarations]: Found specification of procedure write_file_debug [2021-11-20 06:46:00,533 INFO L138 BoogieDeclarations]: Found implementation of procedure write_file_debug [2021-11-20 06:46:00,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-20 06:46:00,533 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-11-20 06:46:00,533 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-11-20 06:46:00,535 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_reset [2021-11-20 06:46:00,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_reset [2021-11-20 06:46:00,536 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_beacon_init [2021-11-20 06:46:00,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_beacon_init [2021-11-20 06:46:00,536 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_dealloc_urbs [2021-11-20 06:46:00,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_dealloc_urbs [2021-11-20 06:46:00,542 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-20 06:46:00,542 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-20 06:46:00,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-20 06:46:00,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___skb_dequeue_35 [2021-11-20 06:46:00,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___skb_dequeue_35 [2021-11-20 06:46:00,543 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_bitrate_mask [2021-11-20 06:46:00,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_bitrate_mask [2021-11-20 06:46:00,543 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2021-11-20 06:46:00,543 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2021-11-20 06:46:00,543 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_deinit_priv [2021-11-20 06:46:00,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_deinit_priv [2021-11-20 06:46:00,544 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 06:46:00,544 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2021-11-20 06:46:00,544 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2021-11-20 06:46:00,544 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-20 06:46:00,544 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-20 06:46:00,545 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2021-11-20 06:46:00,545 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2021-11-20 06:46:00,545 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_skb_queue_complete [2021-11-20 06:46:00,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_skb_queue_complete [2021-11-20 06:46:00,545 INFO L130 BoogieDeclarations]: Found specification of procedure __ath9k_htc_remove_monitor_interface [2021-11-20 06:46:00,545 INFO L138 BoogieDeclarations]: Found implementation of procedure __ath9k_htc_remove_monitor_interface [2021-11-20 06:46:00,546 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2021-11-20 06:46:00,546 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2021-11-20 06:46:00,546 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2021-11-20 06:46:00,546 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2021-11-20 06:46:00,546 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-11-20 06:46:00,546 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-11-20 06:46:00,547 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_rx_cleanup [2021-11-20 06:46:00,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_rx_cleanup [2021-11-20 06:46:00,547 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_anchored_urbs [2021-11-20 06:46:00,547 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_anchored_urbs [2021-11-20 06:46:00,547 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_clear_slot [2021-11-20 06:46:00,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_clear_slot [2021-11-20 06:46:00,547 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_get_txq_props [2021-11-20 06:46:00,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_get_txq_props [2021-11-20 06:46:00,548 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_disconnect [2021-11-20 06:46:00,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_disconnect [2021-11-20 06:46:00,548 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-11-20 06:46:00,548 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-11-20 06:46:00,548 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_set_gpio [2021-11-20 06:46:00,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_set_gpio [2021-11-20 06:46:00,549 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_set_txq_props [2021-11-20 06:46:00,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_set_txq_props [2021-11-20 06:46:00,549 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_calcrxfilter [2021-11-20 06:46:00,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_calcrxfilter [2021-11-20 06:46:00,549 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u16 [2021-11-20 06:46:00,550 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2021-11-20 06:46:00,550 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2021-11-20 06:46:00,550 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_alloc_urbs [2021-11-20 06:46:00,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_alloc_urbs [2021-11-20 06:46:00,550 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-20 06:46:00,550 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2021-11-20 06:46:00,550 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2021-11-20 06:46:00,551 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2021-11-20 06:46:00,551 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2021-11-20 06:46:00,551 INFO L130 BoogieDeclarations]: Found specification of procedure htc_start [2021-11-20 06:46:00,551 INFO L138 BoogieDeclarations]: Found implementation of procedure htc_start [2021-11-20 06:46:00,551 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 06:46:00,551 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_remove_station [2021-11-20 06:46:00,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_remove_station [2021-11-20 06:46:00,552 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2021-11-20 06:46:00,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2021-11-20 06:46:00,553 INFO L130 BoogieDeclarations]: Found specification of procedure htc_issue_send [2021-11-20 06:46:00,564 INFO L138 BoogieDeclarations]: Found implementation of procedure htc_issue_send [2021-11-20 06:46:00,565 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2021-11-20 06:46:00,565 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2021-11-20 06:46:00,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-20 06:46:00,565 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-20 06:46:00,565 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_vif_reconfig [2021-11-20 06:46:00,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_vif_reconfig [2021-11-20 06:46:00,566 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-20 06:46:00,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-20 06:46:00,566 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_cmn_get_hw_crypto_keytype [2021-11-20 06:46:00,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_cmn_get_hw_crypto_keytype [2021-11-20 06:46:00,566 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_dev_deinit [2021-11-20 06:46:00,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_dev_deinit [2021-11-20 06:46:00,567 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2021-11-20 06:46:00,567 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2021-11-20 06:46:00,567 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2021-11-20 06:46:00,567 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2021-11-20 06:46:00,567 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_tail_pointer [2021-11-20 06:46:00,567 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_tail_pointer [2021-11-20 06:46:00,567 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_resettxqueue [2021-11-20 06:46:00,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_resettxqueue [2021-11-20 06:46:00,568 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-20 06:46:00,568 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-20 06:46:00,568 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2021-11-20 06:46:00,568 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2021-11-20 06:46:00,568 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_beacon_config_ap [2021-11-20 06:46:00,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_beacon_config_ap [2021-11-20 06:46:00,569 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2021-11-20 06:46:00,569 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2021-11-20 06:46:00,569 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-11-20 06:46:00,569 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-11-20 06:46:00,569 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-20 06:46:00,569 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-20 06:46:00,570 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_queue_work [2021-11-20 06:46:00,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_queue_work [2021-11-20 06:46:00,570 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_rx_msg [2021-11-20 06:46:00,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_rx_msg [2021-11-20 06:46:00,570 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_mac_bssid_mask [2021-11-20 06:46:00,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_mac_bssid_mask [2021-11-20 06:46:00,571 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_configure_filter [2021-11-20 06:46:00,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_configure_filter [2021-11-20 06:46:00,571 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-11-20 06:46:00,571 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-11-20 06:46:00,571 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_start_ani [2021-11-20 06:46:00,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_start_ani [2021-11-20 06:46:00,571 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_ops [2021-11-20 06:46:00,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_ops [2021-11-20 06:46:00,572 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-11-20 06:46:00,572 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-11-20 06:46:00,572 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-20 06:46:00,572 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-20 06:46:00,572 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_conf_tx [2021-11-20 06:46:00,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_conf_tx [2021-11-20 06:46:00,577 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2021-11-20 06:46:00,577 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2021-11-20 06:46:00,577 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 06:46:00,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 06:46:00,578 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_wake_queues [2021-11-20 06:46:00,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_wake_queues [2021-11-20 06:46:00,578 INFO L130 BoogieDeclarations]: Found specification of procedure __hif_usb_tx [2021-11-20 06:46:00,578 INFO L138 BoogieDeclarations]: Found implementation of procedure __hif_usb_tx [2021-11-20 06:46:00,578 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-11-20 06:46:00,580 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-11-20 06:46:00,580 INFO L130 BoogieDeclarations]: Found specification of procedure HTC_SKB_CB [2021-11-20 06:46:00,580 INFO L138 BoogieDeclarations]: Found implementation of procedure HTC_SKB_CB [2021-11-20 06:46:00,580 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-11-20 06:46:00,581 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-11-20 06:46:00,581 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_start [2021-11-20 06:46:00,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_start [2021-11-20 06:46:00,581 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_beacon_config [2021-11-20 06:46:00,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_beacon_config [2021-11-20 06:46:00,581 INFO L130 BoogieDeclarations]: Found specification of procedure get_htc_epid_queue [2021-11-20 06:46:00,581 INFO L138 BoogieDeclarations]: Found implementation of procedure get_htc_epid_queue [2021-11-20 06:46:00,582 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2021-11-20 06:46:00,582 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2021-11-20 06:46:00,582 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_sw_scan_start [2021-11-20 06:46:00,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_sw_scan_start [2021-11-20 06:46:00,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-20 06:46:00,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-20 06:46:00,583 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-20 06:46:00,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-20 06:46:00,583 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2021-11-20 06:46:00,583 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2021-11-20 06:46:00,583 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx [2021-11-20 06:46:00,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx [2021-11-20 06:46:00,583 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2021-11-20 06:46:00,584 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2021-11-20 06:46:00,584 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_unlink [2021-11-20 06:46:00,584 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_unlink [2021-11-20 06:46:00,584 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2021-11-20 06:46:00,584 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2021-11-20 06:46:00,584 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_reset_tsf [2021-11-20 06:46:00,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_reset_tsf [2021-11-20 06:46:00,585 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_remove_interface [2021-11-20 06:46:00,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_remove_interface [2021-11-20 06:46:00,585 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_deinit [2021-11-20 06:46:00,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_deinit [2021-11-20 06:46:00,585 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_drainq [2021-11-20 06:46:00,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_drainq [2021-11-20 06:46:00,586 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_wmi_cmd [2021-11-20 06:46:00,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_wmi_cmd [2021-11-20 06:46:00,586 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_tx_get_slot [2021-11-20 06:46:00,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_tx_get_slot [2021-11-20 06:46:00,586 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_head_init [2021-11-20 06:46:00,586 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_head_init [2021-11-20 06:46:00,586 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-20 06:46:00,587 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-20 06:46:00,587 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_data_qos [2021-11-20 06:46:00,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_data_qos [2021-11-20 06:46:00,587 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2021-11-20 06:46:00,587 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2021-11-20 06:46:00,587 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-20 06:46:00,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-20 06:46:00,588 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_hdrlen [2021-11-20 06:46:00,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_hdrlen [2021-11-20 06:46:00,588 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2021-11-20 06:46:00,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2021-11-20 06:46:00,588 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_get_btcoex_scheme [2021-11-20 06:46:00,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_get_btcoex_scheme [2021-11-20 06:46:00,588 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-20 06:46:00,589 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-20 06:46:00,589 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_resume [2021-11-20 06:46:00,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_resume [2021-11-20 06:46:00,589 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-20 06:46:00,589 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-20 06:46:00,589 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-20 06:46:00,590 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-20 06:46:00,590 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_iterate_active_interfaces_atomic [2021-11-20 06:46:00,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_iterate_active_interfaces_atomic [2021-11-20 06:46:00,590 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2021-11-20 06:46:00,590 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2021-11-20 06:46:00,590 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_deinit_wmi [2021-11-20 06:46:00,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_deinit_wmi [2021-11-20 06:46:00,591 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_setpower [2021-11-20 06:46:00,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_setpower [2021-11-20 06:46:00,591 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2021-11-20 06:46:00,591 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2021-11-20 06:46:00,591 INFO L130 BoogieDeclarations]: Found specification of procedure hif_usb_send [2021-11-20 06:46:00,591 INFO L138 BoogieDeclarations]: Found implementation of procedure hif_usb_send [2021-11-20 06:46:00,591 INFO L130 BoogieDeclarations]: Found specification of procedure ath_usb_read_cachesize [2021-11-20 06:46:00,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ath_usb_read_cachesize [2021-11-20 06:46:00,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2021-11-20 06:46:00,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2021-11-20 06:46:00,592 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_update_cap_target [2021-11-20 06:46:00,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_update_cap_target [2021-11-20 06:46:00,592 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_btcoex_bt_stomp [2021-11-20 06:46:00,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_btcoex_bt_stomp [2021-11-20 06:46:00,593 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 06:46:00,593 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-20 06:46:00,593 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-20 06:46:00,593 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_find_sta [2021-11-20 06:46:00,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_find_sta [2021-11-20 06:46:00,593 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-20 06:46:00,594 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_remove [2021-11-20 06:46:00,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_remove [2021-11-20 06:46:00,594 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ifnum_to_if [2021-11-20 06:46:00,594 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ifnum_to_if [2021-11-20 06:46:00,594 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_queue_tail [2021-11-20 06:46:00,594 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_queue_tail [2021-11-20 06:46:00,595 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_ampdu_action [2021-11-20 06:46:00,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_ampdu_action [2021-11-20 06:46:00,595 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_alloc_skb [2021-11-20 06:46:00,595 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_alloc_skb [2021-11-20 06:46:00,595 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2021-11-20 06:46:00,595 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2021-11-20 06:46:00,595 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_setup_rate [2021-11-20 06:46:00,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_setup_rate [2021-11-20 06:46:00,596 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_sta_add [2021-11-20 06:46:00,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_sta_add [2021-11-20 06:46:00,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-20 06:46:00,596 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_btcoex_enable [2021-11-20 06:46:00,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_btcoex_enable [2021-11-20 06:46:00,596 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_stop [2021-11-20 06:46:00,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_stop [2021-11-20 06:46:00,597 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_opmode [2021-11-20 06:46:00,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_opmode [2021-11-20 06:46:00,597 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_cmn_update_txpow [2021-11-20 06:46:00,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_cmn_update_txpow [2021-11-20 06:46:00,597 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-20 06:46:00,597 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-20 06:46:00,598 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2021-11-20 06:46:00,598 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2021-11-20 06:46:00,598 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-11-20 06:46:00,598 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-11-20 06:46:00,598 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_add_interface [2021-11-20 06:46:00,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_add_interface [2021-11-20 06:46:00,599 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-11-20 06:46:00,599 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-11-20 06:46:00,599 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-20 06:46:00,599 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-20 06:46:00,599 INFO L130 BoogieDeclarations]: Found specification of procedure simple_read_from_buffer [2021-11-20 06:46:00,599 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_read_from_buffer [2021-11-20 06:46:00,599 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2021-11-20 06:46:00,600 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2021-11-20 06:46:00,600 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-11-20 06:46:00,600 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-11-20 06:46:00,600 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2021-11-20 06:46:00,600 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2021-11-20 06:46:00,600 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_curmode [2021-11-20 06:46:00,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_curmode [2021-11-20 06:46:00,601 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2021-11-20 06:46:00,601 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2021-11-20 06:46:00,601 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-20 06:46:00,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-20 06:46:00,601 INFO L130 BoogieDeclarations]: Found specification of procedure hif_usb_sta_drain [2021-11-20 06:46:00,601 INFO L138 BoogieDeclarations]: Found implementation of procedure hif_usb_sta_drain [2021-11-20 06:46:00,602 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2021-11-20 06:46:00,602 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2021-11-20 06:46:00,602 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-11-20 06:46:00,602 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-11-20 06:46:00,628 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-11-20 06:46:00,628 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-11-20 06:46:00,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_free [2021-11-20 06:46:00,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_free [2021-11-20 06:46:00,629 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-11-20 06:46:00,629 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-11-20 06:46:00,629 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_key [2021-11-20 06:46:00,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_key [2021-11-20 06:46:00,629 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-20 06:46:00,630 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-20 06:46:00,630 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_cmn_get_channel [2021-11-20 06:46:00,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_cmn_get_channel [2021-11-20 06:46:00,630 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_1 [2021-11-20 06:46:00,630 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_1 [2021-11-20 06:46:00,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_skb_12 [2021-11-20 06:46:00,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_skb_12 [2021-11-20 06:46:00,631 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2021-11-20 06:46:00,631 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2021-11-20 06:46:00,631 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-20 06:46:00,631 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-20 06:46:00,632 INFO L130 BoogieDeclarations]: Found specification of procedure init_usb_anchor [2021-11-20 06:46:00,632 INFO L138 BoogieDeclarations]: Found implementation of procedure init_usb_anchor [2021-11-20 06:46:00,632 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_init_global_settings [2021-11-20 06:46:00,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_init_global_settings [2021-11-20 06:46:00,632 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_dealloc_reg_in_urbs [2021-11-20 06:46:00,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_dealloc_reg_in_urbs [2021-11-20 06:46:00,633 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_fatal_work [2021-11-20 06:46:00,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_fatal_work [2021-11-20 06:46:00,633 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2021-11-20 06:46:00,633 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2021-11-20 06:46:00,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 06:46:00,634 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_rts_threshold [2021-11-20 06:46:00,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_rts_threshold [2021-11-20 06:46:00,634 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2021-11-20 06:46:00,634 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2021-11-20 06:46:00,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-20 06:46:00,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-20 06:46:00,635 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_add_station [2021-11-20 06:46:00,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_add_station [2021-11-20 06:46:00,635 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_stop_queues [2021-11-20 06:46:00,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_stop_queues [2021-11-20 06:46:00,635 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-11-20 06:46:00,636 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-11-20 06:46:00,636 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-11-20 06:46:00,636 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-11-20 06:46:00,636 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_dealloc_rx_urbs [2021-11-20 06:46:00,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_dealloc_rx_urbs [2021-11-20 06:46:00,636 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_eeprom_base [2021-11-20 06:46:00,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_eeprom_base [2021-11-20 06:46:00,637 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2021-11-20 06:46:00,637 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2021-11-20 06:46:00,637 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_connect_svc [2021-11-20 06:46:00,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_connect_svc [2021-11-20 06:46:00,638 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hw_gpio_get [2021-11-20 06:46:00,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hw_gpio_get [2021-11-20 06:46:00,638 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_sta_remove [2021-11-20 06:46:00,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_sta_remove [2021-11-20 06:46:00,638 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_send_rate_cmd [2021-11-20 06:46:00,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_send_rate_cmd [2021-11-20 06:46:00,639 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-11-20 06:46:00,639 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-11-20 06:46:00,639 INFO L130 BoogieDeclarations]: Found specification of procedure default_llseek [2021-11-20 06:46:00,639 INFO L138 BoogieDeclarations]: Found implementation of procedure default_llseek [2021-11-20 06:46:00,639 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2021-11-20 06:46:00,640 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2021-11-20 06:46:00,640 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_check_wake_queues [2021-11-20 06:46:00,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_check_wake_queues [2021-11-20 06:46:00,640 INFO L130 BoogieDeclarations]: Found specification of procedure ffz [2021-11-20 06:46:00,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ffz [2021-11-20 06:46:00,640 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_regread [2021-11-20 06:46:00,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_regread [2021-11-20 06:46:00,641 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_dealloc_tx_urbs [2021-11-20 06:46:00,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_dealloc_tx_urbs [2021-11-20 06:46:00,641 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_coverage_class [2021-11-20 06:46:00,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_coverage_class [2021-11-20 06:46:00,642 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_hif_usb_download_fw [2021-11-20 06:46:00,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_hif_usb_download_fw [2021-11-20 06:46:00,642 INFO L130 BoogieDeclarations]: Found specification of procedure conf_is_ht [2021-11-20 06:46:00,642 INFO L138 BoogieDeclarations]: Found implementation of procedure conf_is_ht [2021-11-20 06:46:00,642 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-11-20 06:46:00,642 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-11-20 06:46:00,643 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-20 06:46:00,643 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-20 06:46:00,643 INFO L130 BoogieDeclarations]: Found specification of procedure simple_open [2021-11-20 06:46:00,643 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_open [2021-11-20 06:46:00,643 INFO L130 BoogieDeclarations]: Found specification of procedure htc_send [2021-11-20 06:46:00,643 INFO L138 BoogieDeclarations]: Found implementation of procedure htc_send [2021-11-20 06:46:00,644 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2021-11-20 06:46:00,644 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2021-11-20 06:46:00,648 INFO L130 BoogieDeclarations]: Found specification of procedure ath_usb_eeprom_read [2021-11-20 06:46:00,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ath_usb_eeprom_read [2021-11-20 06:46:00,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 06:46:00,649 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_reset_tsf [2021-11-20 06:46:00,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_reset_tsf [2021-11-20 06:46:00,649 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_configure_leds [2021-11-20 06:46:00,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_configure_leds [2021-11-20 06:46:00,650 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_remove_monitor_interface [2021-11-20 06:46:00,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_remove_monitor_interface [2021-11-20 06:46:00,650 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_set_bssid [2021-11-20 06:46:00,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_set_bssid [2021-11-20 06:46:00,650 INFO L130 BoogieDeclarations]: Found specification of procedure hif_usb_stop [2021-11-20 06:46:00,651 INFO L138 BoogieDeclarations]: Found implementation of procedure hif_usb_stop [2021-11-20 06:46:00,651 INFO L130 BoogieDeclarations]: Found specification of procedure ath9k_htc_get_antenna [2021-11-20 06:46:00,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ath9k_htc_get_antenna [2021-11-20 06:46:00,651 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_u8 [2021-11-20 06:46:00,651 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2021-11-20 06:46:00,652 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2021-11-20 06:46:02,538 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 06:46:02,552 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 06:46:03,170 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-20 06:46:18,398 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 06:46:18,447 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 06:46:18,448 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-20 06:46:18,455 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:46:18 BoogieIcfgContainer [2021-11-20 06:46:18,455 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 06:46:18,457 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 06:46:18,458 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 06:46:18,461 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 06:46:18,462 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 06:45:47" (1/3) ... [2021-11-20 06:46:18,463 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@283d0c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:46:18, skipping insertion in model container [2021-11-20 06:46:18,463 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:45:58" (2/3) ... [2021-11-20 06:46:18,463 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@283d0c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 06:46:18, skipping insertion in model container [2021-11-20 06:46:18,463 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:46:18" (3/3) ... [2021-11-20 06:46:18,465 INFO L111 eAbstractionObserver]: Analyzing ICFG 205_9a_array_unsafes_linux-3.16-rc1.tar.xz-205_9a-drivers--net--wireless--ath--ath9k--ath9k_htc.ko-entry_point.cil.out.i [2021-11-20 06:46:18,471 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 06:46:18,472 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-20 06:46:18,562 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-20 06:46:18,570 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-20 06:46:18,570 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-20 06:46:18,701 INFO L276 IsEmpty]: Start isEmpty. Operand has 4550 states, 3055 states have (on average 1.348936170212766) internal successors, (4121), 3164 states have internal predecessors, (4121), 1249 states have call successors, (1249), 245 states have call predecessors, (1249), 244 states have return successors, (1234), 1207 states have call predecessors, (1234), 1234 states have call successors, (1234) [2021-11-20 06:46:18,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-20 06:46:18,716 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:46:18,717 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-20 06:46:18,718 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:46:18,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:46:18,726 INFO L85 PathProgramCache]: Analyzing trace with hash -1753720139, now seen corresponding path program 1 times [2021-11-20 06:46:18,742 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:46:18,743 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470461049] [2021-11-20 06:46:18,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:46:18,749 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:46:19,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:46:19,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:46:19,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:46:19,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-20 06:46:19,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:46:20,040 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-20 06:46:20,041 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:46:20,041 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470461049] [2021-11-20 06:46:20,042 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1470461049] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:46:20,043 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:46:20,043 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 06:46:20,045 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497458962] [2021-11-20 06:46:20,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:46:20,055 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-20 06:46:20,070 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:46:20,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 06:46:20,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-20 06:46:20,131 INFO L87 Difference]: Start difference. First operand has 4550 states, 3055 states have (on average 1.348936170212766) internal successors, (4121), 3164 states have internal predecessors, (4121), 1249 states have call successors, (1249), 245 states have call predecessors, (1249), 244 states have return successors, (1234), 1207 states have call predecessors, (1234), 1234 states have call successors, (1234) Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-20 06:46:31,612 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:46:44,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:46:44,590 INFO L93 Difference]: Finished difference Result 14570 states and 22401 transitions. [2021-11-20 06:46:44,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-20 06:46:44,594 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 41 [2021-11-20 06:46:44,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:46:44,879 INFO L225 Difference]: With dead ends: 14570 [2021-11-20 06:46:44,880 INFO L226 Difference]: Without dead ends: 9985 [2021-11-20 06:46:44,948 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-20 06:46:44,956 INFO L933 BasicCegarLoop]: 7359 mSDtfsCounter, 8727 mSDsluCounter, 8544 mSDsCounter, 0 mSdLazyCounter, 4675 mSolverCounterSat, 3649 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9656 SdHoareTripleChecker+Valid, 15903 SdHoareTripleChecker+Invalid, 8325 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3649 IncrementalHoareTripleChecker+Valid, 4675 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.0s IncrementalHoareTripleChecker+Time [2021-11-20 06:46:44,960 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9656 Valid, 15903 Invalid, 8325 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3649 Valid, 4675 Invalid, 1 Unknown, 0 Unchecked, 23.0s Time] [2021-11-20 06:46:45,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9985 states. [2021-11-20 06:46:45,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9985 to 8966. [2021-11-20 06:46:45,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8966 states, 6039 states have (on average 1.3435999337638682) internal successors, (8114), 6222 states have internal predecessors, (8114), 2441 states have call successors, (2441), 486 states have call predecessors, (2441), 485 states have return successors, (2440), 2386 states have call predecessors, (2440), 2440 states have call successors, (2440) [2021-11-20 06:46:45,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8966 states to 8966 states and 12995 transitions. [2021-11-20 06:46:45,881 INFO L78 Accepts]: Start accepts. Automaton has 8966 states and 12995 transitions. Word has length 41 [2021-11-20 06:46:45,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:46:45,883 INFO L470 AbstractCegarLoop]: Abstraction has 8966 states and 12995 transitions. [2021-11-20 06:46:45,885 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-11-20 06:46:45,885 INFO L276 IsEmpty]: Start isEmpty. Operand 8966 states and 12995 transitions. [2021-11-20 06:46:45,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-20 06:46:45,896 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:46:45,897 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:46:45,897 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 06:46:45,897 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:46:45,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:46:45,900 INFO L85 PathProgramCache]: Analyzing trace with hash -1297931261, now seen corresponding path program 1 times [2021-11-20 06:46:45,900 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:46:45,904 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766151733] [2021-11-20 06:46:45,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:46:45,904 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:46:46,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:46:46,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:46:46,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:46:46,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-20 06:46:46,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:46:46,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-20 06:46:46,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:46:46,814 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-20 06:46:46,818 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:46:46,818 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766151733] [2021-11-20 06:46:46,819 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1766151733] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:46:46,820 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:46:46,820 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-20 06:46:46,820 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802559886] [2021-11-20 06:46:46,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:46:46,822 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 06:46:46,822 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:46:46,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 06:46:46,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-20 06:46:46,823 INFO L87 Difference]: Start difference. First operand 8966 states and 12995 transitions. Second operand has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-11-20 06:47:03,061 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:47:08,446 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:47:15,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:47:15,065 INFO L93 Difference]: Finished difference Result 28889 states and 43826 transitions. [2021-11-20 06:47:15,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 06:47:15,076 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 51 [2021-11-20 06:47:15,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:47:15,300 INFO L225 Difference]: With dead ends: 28889 [2021-11-20 06:47:15,301 INFO L226 Difference]: Without dead ends: 19925 [2021-11-20 06:47:15,390 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-11-20 06:47:15,391 INFO L933 BasicCegarLoop]: 7831 mSDtfsCounter, 8637 mSDsluCounter, 23269 mSDsCounter, 0 mSdLazyCounter, 8007 mSolverCounterSat, 3622 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9503 SdHoareTripleChecker+Valid, 31100 SdHoareTripleChecker+Invalid, 11630 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3622 IncrementalHoareTripleChecker+Valid, 8007 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.8s IncrementalHoareTripleChecker+Time [2021-11-20 06:47:15,392 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9503 Valid, 31100 Invalid, 11630 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3622 Valid, 8007 Invalid, 1 Unknown, 0 Unchecked, 26.8s Time] [2021-11-20 06:47:15,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19925 states. [2021-11-20 06:47:16,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19925 to 18184. [2021-11-20 06:47:16,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18184 states, 12256 states have (on average 1.3430972584856398) internal successors, (16461), 12639 states have internal predecessors, (16461), 4914 states have call successors, (4914), 970 states have call predecessors, (4914), 1013 states have return successors, (5678), 4833 states have call predecessors, (5678), 4913 states have call successors, (5678) [2021-11-20 06:47:16,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18184 states to 18184 states and 27053 transitions. [2021-11-20 06:47:16,973 INFO L78 Accepts]: Start accepts. Automaton has 18184 states and 27053 transitions. Word has length 51 [2021-11-20 06:47:16,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:47:16,974 INFO L470 AbstractCegarLoop]: Abstraction has 18184 states and 27053 transitions. [2021-11-20 06:47:16,975 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 5 states have internal predecessors, (38), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2021-11-20 06:47:16,975 INFO L276 IsEmpty]: Start isEmpty. Operand 18184 states and 27053 transitions. [2021-11-20 06:47:17,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2021-11-20 06:47:17,008 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:47:17,010 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 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] [2021-11-20 06:47:17,010 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 06:47:17,011 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:47:17,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:47:17,012 INFO L85 PathProgramCache]: Analyzing trace with hash -930218019, now seen corresponding path program 1 times [2021-11-20 06:47:17,012 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:47:17,012 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528087150] [2021-11-20 06:47:17,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:47:17,013 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:47:17,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:47:17,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:47:17,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:47:17,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-20 06:47:17,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:47:17,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2021-11-20 06:47:17,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:47:17,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2021-11-20 06:47:17,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:47:17,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-11-20 06:47:17,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:47:17,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-11-20 06:47:17,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:47:17,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:47:17,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:47:17,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-20 06:47:17,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:47:17,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-11-20 06:47:17,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:47:17,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:47:17,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:47:17,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-20 06:47:17,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:47:18,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:47:18,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:47:18,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:47:18,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:47:18,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-11-20 06:47:18,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:47:18,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:47:18,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:47:18,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-20 06:47:18,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:47:18,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-11-20 06:47:18,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:47:18,221 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2021-11-20 06:47:18,221 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:47:18,221 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528087150] [2021-11-20 06:47:18,222 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1528087150] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:47:18,222 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:47:18,222 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-20 06:47:18,224 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149516095] [2021-11-20 06:47:18,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:47:18,225 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-20 06:47:18,225 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:47:18,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-20 06:47:18,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-11-20 06:47:18,226 INFO L87 Difference]: Start difference. First operand 18184 states and 27053 transitions. Second operand has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-20 06:47:28,549 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:47:32,570 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:47:50,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:47:50,787 INFO L93 Difference]: Finished difference Result 59932 states and 91250 transitions. [2021-11-20 06:47:50,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-20 06:47:50,789 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 148 [2021-11-20 06:47:50,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:47:51,492 INFO L225 Difference]: With dead ends: 59932 [2021-11-20 06:47:51,492 INFO L226 Difference]: Without dead ends: 41757 [2021-11-20 06:47:51,594 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2021-11-20 06:47:51,602 INFO L933 BasicCegarLoop]: 6971 mSDtfsCounter, 15120 mSDsluCounter, 11085 mSDsCounter, 0 mSdLazyCounter, 9029 mSolverCounterSat, 10895 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16142 SdHoareTripleChecker+Valid, 18056 SdHoareTripleChecker+Invalid, 19925 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 10895 IncrementalHoareTripleChecker+Valid, 9029 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.6s IncrementalHoareTripleChecker+Time [2021-11-20 06:47:51,603 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16142 Valid, 18056 Invalid, 19925 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [10895 Valid, 9029 Invalid, 1 Unknown, 0 Unchecked, 30.6s Time] [2021-11-20 06:47:51,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41757 states. [2021-11-20 06:47:54,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41757 to 36702. [2021-11-20 06:47:54,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36702 states, 24784 states have (on average 1.3441333118140737) internal successors, (33313), 25571 states have internal predecessors, (33313), 9836 states have call successors, (9836), 1938 states have call predecessors, (9836), 2081 states have return successors, (11646), 9697 states have call predecessors, (11646), 9835 states have call successors, (11646) [2021-11-20 06:47:55,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36702 states to 36702 states and 54795 transitions. [2021-11-20 06:47:55,081 INFO L78 Accepts]: Start accepts. Automaton has 36702 states and 54795 transitions. Word has length 148 [2021-11-20 06:47:55,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:47:55,082 INFO L470 AbstractCegarLoop]: Abstraction has 36702 states and 54795 transitions. [2021-11-20 06:47:55,082 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.428571428571429) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-20 06:47:55,083 INFO L276 IsEmpty]: Start isEmpty. Operand 36702 states and 54795 transitions. [2021-11-20 06:47:55,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-11-20 06:47:55,314 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:47:55,314 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 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] [2021-11-20 06:47:55,315 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-20 06:47:55,315 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:47:55,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:47:55,317 INFO L85 PathProgramCache]: Analyzing trace with hash -1159374282, now seen corresponding path program 1 times [2021-11-20 06:47:55,318 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:47:55,318 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778558678] [2021-11-20 06:47:55,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:47:55,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:47:55,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:47:55,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:47:55,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:47:55,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-20 06:47:55,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:47:55,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-11-20 06:47:55,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:47:55,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-11-20 06:47:55,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:47:55,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-11-20 06:47:55,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:47:55,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-20 06:47:55,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:47:55,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:47:55,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:47:56,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-20 06:47:56,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:47:56,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2021-11-20 06:47:56,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:47:56,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:47:56,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:47:56,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-20 06:47:56,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:47:56,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:47:56,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:47:56,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:47:56,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:47:56,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-11-20 06:47:56,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:47:56,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:47:56,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:47:56,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-20 06:47:56,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:47:56,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-11-20 06:47:56,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:47:56,469 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2021-11-20 06:47:56,469 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:47:56,469 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778558678] [2021-11-20 06:47:56,470 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [778558678] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:47:56,470 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:47:56,470 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-20 06:47:56,470 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985666532] [2021-11-20 06:47:56,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:47:56,473 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-20 06:47:56,473 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:47:56,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-20 06:47:56,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-11-20 06:47:56,474 INFO L87 Difference]: Start difference. First operand 36702 states and 54795 transitions. Second operand has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-20 06:48:09,859 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:48:13,878 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:48:37,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:48:37,599 INFO L93 Difference]: Finished difference Result 119638 states and 182266 transitions. [2021-11-20 06:48:37,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-20 06:48:37,607 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 151 [2021-11-20 06:48:37,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:48:38,342 INFO L225 Difference]: With dead ends: 119638 [2021-11-20 06:48:38,342 INFO L226 Difference]: Without dead ends: 82945 [2021-11-20 06:48:38,770 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2021-11-20 06:48:38,773 INFO L933 BasicCegarLoop]: 7050 mSDtfsCounter, 12285 mSDsluCounter, 13519 mSDsCounter, 0 mSdLazyCounter, 11568 mSolverCounterSat, 7595 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13302 SdHoareTripleChecker+Valid, 20569 SdHoareTripleChecker+Invalid, 19164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 7595 IncrementalHoareTripleChecker+Valid, 11568 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.5s IncrementalHoareTripleChecker+Time [2021-11-20 06:48:38,775 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [13302 Valid, 20569 Invalid, 19164 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [7595 Valid, 11568 Invalid, 1 Unknown, 0 Unchecked, 37.5s Time] [2021-11-20 06:48:38,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82945 states. [2021-11-20 06:48:44,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82945 to 72846. [2021-11-20 06:48:44,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72846 states, 49208 states have (on average 1.344679726873679) internal successors, (66169), 50783 states have internal predecessors, (66169), 19476 states have call successors, (19476), 3874 states have call predecessors, (19476), 4161 states have return successors, (23062), 19197 states have call predecessors, (23062), 19475 states have call successors, (23062) [2021-11-20 06:48:45,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72846 states to 72846 states and 108707 transitions. [2021-11-20 06:48:45,677 INFO L78 Accepts]: Start accepts. Automaton has 72846 states and 108707 transitions. Word has length 151 [2021-11-20 06:48:45,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:48:45,678 INFO L470 AbstractCegarLoop]: Abstraction has 72846 states and 108707 transitions. [2021-11-20 06:48:45,679 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.857142857142858) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-20 06:48:45,679 INFO L276 IsEmpty]: Start isEmpty. Operand 72846 states and 108707 transitions. [2021-11-20 06:48:45,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2021-11-20 06:48:45,704 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:48:45,704 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 6, 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] [2021-11-20 06:48:45,705 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-20 06:48:45,705 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:48:45,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:48:45,706 INFO L85 PathProgramCache]: Analyzing trace with hash -2126110880, now seen corresponding path program 1 times [2021-11-20 06:48:45,706 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:48:45,706 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981365671] [2021-11-20 06:48:45,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:48:45,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:48:46,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:48:46,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:48:46,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:48:46,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-20 06:48:46,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:48:46,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-11-20 06:48:46,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:48:46,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-20 06:48:46,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:48:46,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-11-20 06:48:46,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:48:46,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-11-20 06:48:46,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:48:46,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:48:46,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:48:46,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-20 06:48:46,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:48:46,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-11-20 06:48:46,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:48:46,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:48:46,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:48:46,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-20 06:48:46,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:48:46,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:48:46,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:48:46,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:48:46,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:48:46,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-11-20 06:48:46,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:48:46,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:48:46,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:48:46,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-20 06:48:46,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:48:46,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-11-20 06:48:47,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:48:47,027 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2021-11-20 06:48:47,027 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:48:47,028 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981365671] [2021-11-20 06:48:47,028 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1981365671] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:48:47,028 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:48:47,028 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-20 06:48:47,029 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683732374] [2021-11-20 06:48:47,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:48:47,033 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-20 06:48:47,033 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:48:47,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-20 06:48:47,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-11-20 06:48:47,034 INFO L87 Difference]: Start difference. First operand 72846 states and 108707 transitions. Second operand has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-20 06:48:57,671 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:49:02,964 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-20 06:49:27,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:49:27,774 INFO L93 Difference]: Finished difference Result 237956 states and 362376 transitions. [2021-11-20 06:49:27,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-20 06:49:27,776 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 147 [2021-11-20 06:49:27,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-20 06:49:29,547 INFO L225 Difference]: With dead ends: 237956 [2021-11-20 06:49:29,547 INFO L226 Difference]: Without dead ends: 165119 [2021-11-20 06:49:29,904 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2021-11-20 06:49:29,904 INFO L933 BasicCegarLoop]: 7094 mSDtfsCounter, 15211 mSDsluCounter, 10857 mSDsCounter, 0 mSdLazyCounter, 8525 mSolverCounterSat, 10830 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16242 SdHoareTripleChecker+Valid, 17951 SdHoareTripleChecker+Invalid, 19356 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 10830 IncrementalHoareTripleChecker+Valid, 8525 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.4s IncrementalHoareTripleChecker+Time [2021-11-20 06:49:29,905 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16242 Valid, 17951 Invalid, 19356 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [10830 Valid, 8525 Invalid, 1 Unknown, 0 Unchecked, 33.4s Time] [2021-11-20 06:49:30,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165119 states. [2021-11-20 06:49:38,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165119 to 144944. [2021-11-20 06:49:38,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144944 states, 97902 states have (on average 1.3445179873751303) internal successors, (131631), 101053 states have internal predecessors, (131631), 38720 states have call successors, (38720), 7746 states have call predecessors, (38720), 8321 states have return successors, (45852), 38161 states have call predecessors, (45852), 38719 states have call successors, (45852) [2021-11-20 06:49:39,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144944 states to 144944 states and 216203 transitions. [2021-11-20 06:49:39,988 INFO L78 Accepts]: Start accepts. Automaton has 144944 states and 216203 transitions. Word has length 147 [2021-11-20 06:49:39,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-20 06:49:39,988 INFO L470 AbstractCegarLoop]: Abstraction has 144944 states and 216203 transitions. [2021-11-20 06:49:39,989 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 13.285714285714286) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (18), 6 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-20 06:49:39,989 INFO L276 IsEmpty]: Start isEmpty. Operand 144944 states and 216203 transitions. [2021-11-20 06:49:40,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2021-11-20 06:49:40,009 INFO L506 BasicCegarLoop]: Found error trace [2021-11-20 06:49:40,009 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 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, 1, 1, 1, 1] [2021-11-20 06:49:40,010 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-20 06:49:40,010 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-20 06:49:40,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:49:40,011 INFO L85 PathProgramCache]: Analyzing trace with hash -172400043, now seen corresponding path program 1 times [2021-11-20 06:49:40,011 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:49:40,011 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136461847] [2021-11-20 06:49:40,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:49:40,011 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:49:40,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:49:40,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:49:40,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:49:40,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-11-20 06:49:40,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:49:40,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-20 06:49:40,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:49:40,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:49:40,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:49:40,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-20 06:49:40,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:49:40,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2021-11-20 06:49:40,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:49:41,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-20 06:49:41,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:49:41,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:49:41,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:49:41,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-20 06:49:41,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:49:41,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-11-20 06:49:41,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:49:41,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:49:41,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:49:41,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-11-20 06:49:41,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:49:41,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:49:41,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:49:41,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-20 06:49:41,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:49:41,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-11-20 06:49:41,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:49:41,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-11-20 06:49:41,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:49:41,678 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 19 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2021-11-20 06:49:41,679 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:49:41,679 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136461847] [2021-11-20 06:49:41,679 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [136461847] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 06:49:41,679 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1169336480] [2021-11-20 06:49:41,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:49:41,680 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:49:41,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adfbad06-f842-4e6f-b7ee-3382f4290e0d/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:49:41,683 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adfbad06-f842-4e6f-b7ee-3382f4290e0d/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 06:49:41,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_adfbad06-f842-4e6f-b7ee-3382f4290e0d/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-20 06:49:44,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:49:44,165 INFO L263 TraceCheckSpWp]: Trace formula consists of 6965 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-20 06:49:44,186 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:49:44,678 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-11-20 06:49:44,678 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-20 06:49:44,678 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1169336480] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:49:44,679 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-20 06:49:44,679 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [19] total 20 [2021-11-20 06:49:44,679 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753392657] [2021-11-20 06:49:44,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:49:44,680 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-20 06:49:44,680 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:49:44,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 06:49:44,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2021-11-20 06:49:44,681 INFO L87 Difference]: Start difference. First operand 144944 states and 216203 transitions. Second operand has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-20 06:49:57,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:49:57,390 INFO L93 Difference]: Finished difference Result 432538 states and 645320 transitions. [2021-11-20 06:49:57,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 06:49:57,391 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 161 [2021-11-20 06:49:57,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted.