./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--zd1211rw--zd1211rw.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db44f41a-3946-47d4-a0a8-bb3634e237ae/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db44f41a-3946-47d4-a0a8-bb3634e237ae/bin/uautomizer-YU5uOKAj3y/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db44f41a-3946-47d4-a0a8-bb3634e237ae/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db44f41a-3946-47d4-a0a8-bb3634e237ae/bin/uautomizer-YU5uOKAj3y/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--zd1211rw--zd1211rw.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db44f41a-3946-47d4-a0a8-bb3634e237ae/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db44f41a-3946-47d4-a0a8-bb3634e237ae/bin/uautomizer-YU5uOKAj3y --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 ff02e03a986f1a19fc84bb8ebf84ed80dd5601fff7cc4c17c4d87ec97b443afa --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 18:17:14,824 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 18:17:14,827 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 18:17:14,881 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 18:17:14,881 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 18:17:14,882 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 18:17:14,883 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 18:17:14,886 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 18:17:14,888 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 18:17:14,890 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 18:17:14,891 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 18:17:14,893 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 18:17:14,893 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 18:17:14,895 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 18:17:14,897 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 18:17:14,900 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 18:17:14,907 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 18:17:14,915 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 18:17:14,918 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 18:17:14,922 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 18:17:14,927 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 18:17:14,930 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 18:17:14,932 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 18:17:14,936 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 18:17:14,940 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 18:17:14,941 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 18:17:14,941 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 18:17:14,942 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 18:17:14,943 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 18:17:14,945 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 18:17:14,945 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 18:17:14,946 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 18:17:14,948 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 18:17:14,949 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 18:17:14,950 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 18:17:14,951 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 18:17:14,952 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 18:17:14,952 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 18:17:14,953 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 18:17:14,954 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 18:17:14,955 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 18:17:14,956 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db44f41a-3946-47d4-a0a8-bb3634e237ae/bin/uautomizer-YU5uOKAj3y/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-13 18:17:15,005 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 18:17:15,005 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 18:17:15,006 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-13 18:17:15,006 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-13 18:17:15,007 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 18:17:15,007 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-13 18:17:15,008 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 18:17:15,008 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 18:17:15,008 INFO L138 SettingsManager]: * Use SBE=true [2021-11-13 18:17:15,008 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 18:17:15,009 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 18:17:15,009 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 18:17:15,009 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 18:17:15,009 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 18:17:15,010 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 18:17:15,010 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 18:17:15,010 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 18:17:15,010 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 18:17:15,011 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 18:17:15,011 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 18:17:15,011 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-13 18:17:15,011 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 18:17:15,012 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 18:17:15,012 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 18:17:15,012 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 18:17:15,013 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-13 18:17:15,013 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 18:17:15,013 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-13 18:17:15,013 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-13 18:17:15,013 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 18:17:15,014 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 18:17:15,014 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_db44f41a-3946-47d4-a0a8-bb3634e237ae/bin/uautomizer-YU5uOKAj3y/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db44f41a-3946-47d4-a0a8-bb3634e237ae/bin/uautomizer-YU5uOKAj3y Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ff02e03a986f1a19fc84bb8ebf84ed80dd5601fff7cc4c17c4d87ec97b443afa [2021-11-13 18:17:15,303 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 18:17:15,331 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 18:17:15,334 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 18:17:15,336 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 18:17:15,337 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 18:17:15,339 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db44f41a-3946-47d4-a0a8-bb3634e237ae/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--zd1211rw--zd1211rw.ko-entry_point.cil.out.i [2021-11-13 18:17:15,446 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db44f41a-3946-47d4-a0a8-bb3634e237ae/bin/uautomizer-YU5uOKAj3y/data/2596617c0/842b31a8179e449e87f81926f14c4fa0/FLAGc1e40afda [2021-11-13 18:17:16,941 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 18:17:16,942 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db44f41a-3946-47d4-a0a8-bb3634e237ae/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--zd1211rw--zd1211rw.ko-entry_point.cil.out.i [2021-11-13 18:17:17,066 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db44f41a-3946-47d4-a0a8-bb3634e237ae/bin/uautomizer-YU5uOKAj3y/data/2596617c0/842b31a8179e449e87f81926f14c4fa0/FLAGc1e40afda [2021-11-13 18:17:17,361 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db44f41a-3946-47d4-a0a8-bb3634e237ae/bin/uautomizer-YU5uOKAj3y/data/2596617c0/842b31a8179e449e87f81926f14c4fa0 [2021-11-13 18:17:17,365 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 18:17:17,367 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 18:17:17,368 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 18:17:17,369 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 18:17:17,373 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 18:17:17,374 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:17:17" (1/1) ... [2021-11-13 18:17:17,376 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a25ac28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:17:17, skipping insertion in model container [2021-11-13 18:17:17,376 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:17:17" (1/1) ... [2021-11-13 18:17:17,386 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 18:17:17,688 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 18:17:25,364 WARN L228 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_db44f41a-3946-47d4-a0a8-bb3634e237ae/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--zd1211rw--zd1211rw.ko-entry_point.cil.out.i[636672,636685] [2021-11-13 18:17:25,473 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 18:17:25,584 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 18:17:26,571 WARN L228 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_db44f41a-3946-47d4-a0a8-bb3634e237ae/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--zd1211rw--zd1211rw.ko-entry_point.cil.out.i[636672,636685] [2021-11-13 18:17:26,582 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 18:17:27,062 INFO L208 MainTranslator]: Completed translation [2021-11-13 18:17:27,064 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:17:27 WrapperNode [2021-11-13 18:17:27,065 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 18:17:27,068 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 18:17:27,068 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 18:17:27,068 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 18:17:27,079 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:17:27" (1/1) ... [2021-11-13 18:17:27,434 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:17:27" (1/1) ... [2021-11-13 18:17:28,218 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 18:17:28,219 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 18:17:28,219 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 18:17:28,219 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 18:17:28,232 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:17:27" (1/1) ... [2021-11-13 18:17:28,233 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:17:27" (1/1) ... [2021-11-13 18:17:28,350 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:17:27" (1/1) ... [2021-11-13 18:17:28,351 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:17:27" (1/1) ... [2021-11-13 18:17:28,997 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:17:27" (1/1) ... [2021-11-13 18:17:29,076 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:17:27" (1/1) ... [2021-11-13 18:17:29,398 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:17:27" (1/1) ... [2021-11-13 18:17:29,543 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 18:17:29,549 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 18:17:29,549 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 18:17:29,549 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 18:17:29,551 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:17:27" (1/1) ... [2021-11-13 18:17:29,577 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-13 18:17:29,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db44f41a-3946-47d4-a0a8-bb3634e237ae/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:17:29,647 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db44f41a-3946-47d4-a0a8-bb3634e237ae/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-13 18:17:29,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db44f41a-3946-47d4-a0a8-bb3634e237ae/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-13 18:17:29,791 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-11-13 18:17:29,793 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-11-13 18:17:29,793 INFO L130 BoogieDeclarations]: Found specification of procedure zd_ioread32_locked [2021-11-13 18:17:29,793 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_ioread32_locked [2021-11-13 18:17:29,793 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_tx_info_clear_status [2021-11-13 18:17:29,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_tx_info_clear_status [2021-11-13 18:17:29,794 INFO L130 BoogieDeclarations]: Found specification of procedure zd_check_signal [2021-11-13 18:17:29,794 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_check_signal [2021-11-13 18:17:29,794 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-13 18:17:29,795 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-13 18:17:29,795 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2021-11-13 18:17:29,795 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2021-11-13 18:17:29,795 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2021-11-13 18:17:29,796 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2021-11-13 18:17:29,796 INFO L130 BoogieDeclarations]: Found specification of procedure post_reset [2021-11-13 18:17:29,796 INFO L138 BoogieDeclarations]: Found implementation of procedure post_reset [2021-11-13 18:17:29,796 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-11-13 18:17:29,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-11-13 18:17:29,797 INFO L130 BoogieDeclarations]: Found specification of procedure zd_mac_init_hw [2021-11-13 18:17:29,797 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_mac_init_hw [2021-11-13 18:17:29,798 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-13 18:17:29,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-13 18:17:29,798 INFO L130 BoogieDeclarations]: Found specification of procedure dump_stack [2021-11-13 18:17:29,798 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_stack [2021-11-13 18:17:29,799 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_to_usbdev [2021-11-13 18:17:29,799 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_to_usbdev [2021-11-13 18:17:29,799 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_3 [2021-11-13 18:17:29,799 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_3 [2021-11-13 18:17:29,800 INFO L130 BoogieDeclarations]: Found specification of procedure zd_mac_rx [2021-11-13 18:17:29,800 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_mac_rx [2021-11-13 18:17:29,800 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_set_channel [2021-11-13 18:17:29,800 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_set_channel [2021-11-13 18:17:29,801 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_clear [2021-11-13 18:17:29,801 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_clear [2021-11-13 18:17:29,801 INFO L130 BoogieDeclarations]: Found specification of procedure zd_switch_radio_off [2021-11-13 18:17:29,801 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_switch_radio_off [2021-11-13 18:17:29,802 INFO L130 BoogieDeclarations]: Found specification of procedure free_rx_urb [2021-11-13 18:17:29,803 INFO L138 BoogieDeclarations]: Found implementation of procedure free_rx_urb [2021-11-13 18:17:29,803 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_configure_filter [2021-11-13 18:17:29,803 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_configure_filter [2021-11-13 18:17:29,804 INFO L130 BoogieDeclarations]: Found specification of procedure usb_queue_reset_device [2021-11-13 18:17:29,804 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_queue_reset_device [2021-11-13 18:17:29,804 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-13 18:17:29,805 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-13 18:17:29,805 INFO L130 BoogieDeclarations]: Found specification of procedure fw_reg_addr [2021-11-13 18:17:29,805 INFO L138 BoogieDeclarations]: Found implementation of procedure fw_reg_addr [2021-11-13 18:17:29,806 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_beacon_get [2021-11-13 18:17:29,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_beacon_get [2021-11-13 18:17:29,806 INFO L130 BoogieDeclarations]: Found specification of procedure zd_switch_radio_on [2021-11-13 18:17:29,806 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_switch_radio_on [2021-11-13 18:17:29,807 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-13 18:17:29,807 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_config [2021-11-13 18:17:29,807 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_config [2021-11-13 18:17:29,808 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2021-11-13 18:17:29,808 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2021-11-13 18:17:29,808 INFO L130 BoogieDeclarations]: Found specification of procedure uw2453_init_mode [2021-11-13 18:17:29,809 INFO L138 BoogieDeclarations]: Found implementation of procedure uw2453_init_mode [2021-11-13 18:17:29,809 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2021-11-13 18:17:29,811 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2021-11-13 18:17:29,811 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_enable_hwint [2021-11-13 18:17:29,812 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_enable_hwint [2021-11-13 18:17:29,812 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-13 18:17:29,812 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-13 18:17:29,812 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 18:17:29,813 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_lock_phy_regs [2021-11-13 18:17:29,813 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_lock_phy_regs [2021-11-13 18:17:29,813 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-13 18:17:29,813 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-13 18:17:29,814 INFO L130 BoogieDeclarations]: Found specification of procedure zd_rf_to_chip [2021-11-13 18:17:29,814 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_rf_to_chip [2021-11-13 18:17:29,815 INFO L130 BoogieDeclarations]: Found specification of procedure zd_mac_free_cur_beacon_locked [2021-11-13 18:17:29,815 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_mac_free_cur_beacon_locked [2021-11-13 18:17:29,815 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_is_first [2021-11-13 18:17:29,815 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_is_first [2021-11-13 18:17:29,816 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_iowrite16v_async [2021-11-13 18:17:29,816 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_iowrite16v_async [2021-11-13 18:17:29,816 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unanchor_urb [2021-11-13 18:17:29,816 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unanchor_urb [2021-11-13 18:17:29,817 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-13 18:17:29,817 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-13 18:17:29,817 INFO L130 BoogieDeclarations]: Found specification of procedure zd_rfwrite_locked [2021-11-13 18:17:29,817 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_rfwrite_locked [2021-11-13 18:17:29,817 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies_relative [2021-11-13 18:17:29,818 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies_relative [2021-11-13 18:17:29,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-13 18:17:29,818 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-13 18:17:29,818 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-13 18:17:29,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-13 18:17:29,819 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_is_locked [2021-11-13 18:17:29,820 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_is_locked [2021-11-13 18:17:29,820 INFO L130 BoogieDeclarations]: Found specification of procedure zd_mac_free_cur_beacon [2021-11-13 18:17:29,821 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_mac_free_cur_beacon [2021-11-13 18:17:29,821 INFO L130 BoogieDeclarations]: Found specification of procedure beacon_watchdog_handler [2021-11-13 18:17:29,821 INFO L138 BoogieDeclarations]: Found implementation of procedure beacon_watchdog_handler [2021-11-13 18:17:29,821 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_remove_interface [2021-11-13 18:17:29,822 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_remove_interface [2021-11-13 18:17:29,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-13 18:17:29,823 INFO L130 BoogieDeclarations]: Found specification of procedure check_read_regs [2021-11-13 18:17:29,823 INFO L138 BoogieDeclarations]: Found implementation of procedure check_read_regs [2021-11-13 18:17:29,823 INFO L130 BoogieDeclarations]: Found specification of procedure zd_rf_clear [2021-11-13 18:17:29,824 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_rf_clear [2021-11-13 18:17:29,825 INFO L130 BoogieDeclarations]: Found specification of procedure handle_rx_packet [2021-11-13 18:17:29,825 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_rx_packet [2021-11-13 18:17:29,825 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_stop [2021-11-13 18:17:29,826 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_stop [2021-11-13 18:17:29,826 INFO L130 BoogieDeclarations]: Found specification of procedure zd_iowrite32a_locked [2021-11-13 18:17:29,826 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_iowrite32a_locked [2021-11-13 18:17:29,826 INFO L130 BoogieDeclarations]: Found specification of procedure zd1211b_al7230b_finalize [2021-11-13 18:17:29,827 INFO L138 BoogieDeclarations]: Found implementation of procedure zd1211b_al7230b_finalize [2021-11-13 18:17:29,827 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-13 18:17:29,827 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-13 18:17:29,827 INFO L130 BoogieDeclarations]: Found specification of procedure zd_iowrite16_locked [2021-11-13 18:17:29,827 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_iowrite16_locked [2021-11-13 18:17:29,828 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-11-13 18:17:29,828 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-11-13 18:17:29,829 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-13 18:17:29,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-13 18:17:29,829 INFO L130 BoogieDeclarations]: Found specification of procedure test_init [2021-11-13 18:17:29,830 INFO L138 BoogieDeclarations]: Found implementation of procedure test_init [2021-11-13 18:17:29,831 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_anchored_urbs [2021-11-13 18:17:29,834 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_anchored_urbs [2021-11-13 18:17:29,834 INFO L130 BoogieDeclarations]: Found specification of procedure request_fw_file [2021-11-13 18:17:29,835 INFO L138 BoogieDeclarations]: Found implementation of procedure request_fw_file [2021-11-13 18:17:29,835 INFO L130 BoogieDeclarations]: Found specification of procedure dump_cr [2021-11-13 18:17:29,836 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_cr [2021-11-13 18:17:29,838 INFO L130 BoogieDeclarations]: Found specification of procedure usb_pipe_endpoint [2021-11-13 18:17:29,839 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_pipe_endpoint [2021-11-13 18:17:29,839 INFO L130 BoogieDeclarations]: Found specification of procedure zd_mc_clear [2021-11-13 18:17:29,839 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_mc_clear [2021-11-13 18:17:29,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-11-13 18:17:29,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-11-13 18:17:29,846 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2021-11-13 18:17:29,847 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2021-11-13 18:17:29,847 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-13 18:17:29,847 INFO L130 BoogieDeclarations]: Found specification of procedure zd_write_mac_addr_common [2021-11-13 18:17:29,847 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_write_mac_addr_common [2021-11-13 18:17:29,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2021-11-13 18:17:29,848 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_prepare_multicast [2021-11-13 18:17:29,848 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_prepare_multicast [2021-11-13 18:17:29,848 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2021-11-13 18:17:29,848 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2021-11-13 18:17:29,849 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_disable_tx [2021-11-13 18:17:29,849 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_disable_tx [2021-11-13 18:17:29,849 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_to_hw [2021-11-13 18:17:29,849 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_to_hw [2021-11-13 18:17:29,849 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2021-11-13 18:17:29,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2021-11-13 18:17:29,850 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_ioread16 [2021-11-13 18:17:29,850 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_ioread16 [2021-11-13 18:17:29,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-13 18:17:29,850 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_resume [2021-11-13 18:17:29,851 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_resume [2021-11-13 18:17:29,851 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-13 18:17:29,851 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-13 18:17:29,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-13 18:17:29,851 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2021-11-13 18:17:29,852 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2021-11-13 18:17:29,852 INFO L130 BoogieDeclarations]: Found specification of procedure zd_ioread32v_locked [2021-11-13 18:17:29,852 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_ioread32v_locked [2021-11-13 18:17:29,852 INFO L130 BoogieDeclarations]: Found specification of procedure get_fw_name [2021-11-13 18:17:29,852 INFO L138 BoogieDeclarations]: Found implementation of procedure get_fw_name [2021-11-13 18:17:29,853 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-13 18:17:29,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-13 18:17:29,854 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_is_zd1211b [2021-11-13 18:17:29,854 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_is_zd1211b [2021-11-13 18:17:29,854 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2021-11-13 18:17:29,855 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2021-11-13 18:17:29,855 INFO L130 BoogieDeclarations]: Found specification of procedure set_beacon_interval [2021-11-13 18:17:29,855 INFO L138 BoogieDeclarations]: Found implementation of procedure set_beacon_interval [2021-11-13 18:17:29,855 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_filter [2021-11-13 18:17:29,856 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_filter [2021-11-13 18:17:29,856 INFO L130 BoogieDeclarations]: Found specification of procedure uw2453_synth_set_channel [2021-11-13 18:17:29,856 INFO L138 BoogieDeclarations]: Found implementation of procedure uw2453_synth_set_channel [2021-11-13 18:17:29,857 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work___0 [2021-11-13 18:17:29,857 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work___0 [2021-11-13 18:17:29,857 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2021-11-13 18:17:29,857 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2021-11-13 18:17:29,857 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_iowrite16v_async_start [2021-11-13 18:17:29,858 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_iowrite16v_async_start [2021-11-13 18:17:29,858 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_disable_rx [2021-11-13 18:17:29,858 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_disable_rx [2021-11-13 18:17:29,858 INFO L130 BoogieDeclarations]: Found specification of procedure zd1211b_al2230_finalize_rf [2021-11-13 18:17:29,859 INFO L138 BoogieDeclarations]: Found implementation of procedure zd1211b_al2230_finalize_rf [2021-11-13 18:17:29,859 INFO L130 BoogieDeclarations]: Found specification of procedure zd_iowrite32_locked [2021-11-13 18:17:29,859 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_iowrite32_locked [2021-11-13 18:17:29,859 INFO L130 BoogieDeclarations]: Found specification of procedure handle_regs_int_override [2021-11-13 18:17:29,859 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_regs_int_override [2021-11-13 18:17:29,860 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_set_multicast_hash [2021-11-13 18:17:29,860 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_set_multicast_hash [2021-11-13 18:17:29,860 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2021-11-13 18:17:29,860 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2021-11-13 18:17:29,860 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-11-13 18:17:29,861 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-11-13 18:17:29,861 INFO L130 BoogieDeclarations]: Found specification of procedure disable_hwint [2021-11-13 18:17:29,861 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_hwint [2021-11-13 18:17:29,861 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-13 18:17:29,861 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-13 18:17:29,862 INFO L130 BoogieDeclarations]: Found specification of procedure zd_mac_tx_status [2021-11-13 18:17:29,862 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_mac_tx_status [2021-11-13 18:17:29,862 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_disable_rxtx [2021-11-13 18:17:29,862 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_disable_rxtx [2021-11-13 18:17:29,862 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2021-11-13 18:17:29,863 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2021-11-13 18:17:29,863 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_unlock_phy_regs [2021-11-13 18:17:29,863 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_unlock_phy_regs [2021-11-13 18:17:29,863 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-11-13 18:17:29,863 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-11-13 18:17:29,864 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-13 18:17:29,864 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-13 18:17:29,864 INFO L130 BoogieDeclarations]: Found specification of procedure zd_rf_name [2021-11-13 18:17:29,864 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_rf_name [2021-11-13 18:17:29,865 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2021-11-13 18:17:29,865 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2021-11-13 18:17:29,865 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2021-11-13 18:17:29,865 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2021-11-13 18:17:29,865 INFO L130 BoogieDeclarations]: Found specification of procedure zd_mac_clear [2021-11-13 18:17:29,866 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_mac_clear [2021-11-13 18:17:29,866 INFO L130 BoogieDeclarations]: Found specification of procedure zd_rfwritev_locked [2021-11-13 18:17:29,866 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_rfwritev_locked [2021-11-13 18:17:29,866 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 18:17:29,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 18:17:29,867 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_wake_queues [2021-11-13 18:17:29,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_wake_queues [2021-11-13 18:17:29,867 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_control_leds [2021-11-13 18:17:29,867 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_control_leds [2021-11-13 18:17:29,867 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2021-11-13 18:17:29,868 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2021-11-13 18:17:29,868 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-13 18:17:29,868 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-13 18:17:29,868 INFO L130 BoogieDeclarations]: Found specification of procedure scnprint_id___0 [2021-11-13 18:17:29,868 INFO L138 BoogieDeclarations]: Found implementation of procedure scnprint_id___0 [2021-11-13 18:17:29,869 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_is_pspoll [2021-11-13 18:17:29,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_is_pspoll [2021-11-13 18:17:29,869 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_iowrite16v_async_end [2021-11-13 18:17:29,869 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_iowrite16v_async_end [2021-11-13 18:17:29,869 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2021-11-13 18:17:29,870 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2021-11-13 18:17:29,870 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-13 18:17:29,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-13 18:17:29,870 INFO L130 BoogieDeclarations]: Found specification of procedure upload_code [2021-11-13 18:17:29,870 INFO L138 BoogieDeclarations]: Found implementation of procedure upload_code [2021-11-13 18:17:29,871 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-13 18:17:29,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-13 18:17:29,871 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2021-11-13 18:17:29,871 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2021-11-13 18:17:29,872 INFO L130 BoogieDeclarations]: Found specification of procedure zd_rx_idle_timer_handler [2021-11-13 18:17:29,873 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_rx_idle_timer_handler [2021-11-13 18:17:29,877 INFO L130 BoogieDeclarations]: Found specification of procedure zd_rfwrite_cr_locked [2021-11-13 18:17:29,878 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_rfwrite_cr_locked [2021-11-13 18:17:29,878 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~TO~int [2021-11-13 18:17:29,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~TO~int [2021-11-13 18:17:29,878 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2021-11-13 18:17:29,878 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2021-11-13 18:17:29,879 INFO L130 BoogieDeclarations]: Found specification of procedure set_rts_cts [2021-11-13 18:17:29,879 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rts_cts [2021-11-13 18:17:29,879 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_to_mac [2021-11-13 18:17:29,880 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_to_mac [2021-11-13 18:17:29,883 INFO L130 BoogieDeclarations]: Found specification of procedure __zd_usb_disable_rx [2021-11-13 18:17:29,883 INFO L138 BoogieDeclarations]: Found implementation of procedure __zd_usb_disable_rx [2021-11-13 18:17:29,883 INFO L130 BoogieDeclarations]: Found specification of procedure zd_submit_waiting_urb [2021-11-13 18:17:29,883 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_submit_waiting_urb [2021-11-13 18:17:29,884 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_stop [2021-11-13 18:17:29,884 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_stop [2021-11-13 18:17:29,884 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_tx_status_irqsafe [2021-11-13 18:17:29,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_tx_status_irqsafe [2021-11-13 18:17:29,884 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_reset_rx_idle_timer [2021-11-13 18:17:29,885 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_reset_rx_idle_timer [2021-11-13 18:17:29,885 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-13 18:17:29,885 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-13 18:17:29,885 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2021-11-13 18:17:29,885 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2021-11-13 18:17:29,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-13 18:17:29,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-13 18:17:29,886 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2021-11-13 18:17:29,886 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2021-11-13 18:17:29,886 INFO L130 BoogieDeclarations]: Found specification of procedure zd_set_beacon_interval [2021-11-13 18:17:29,886 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_set_beacon_interval [2021-11-13 18:17:29,887 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-13 18:17:29,887 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-13 18:17:29,887 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-13 18:17:29,887 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-13 18:17:29,887 INFO L130 BoogieDeclarations]: Found specification of procedure get_bcdDevice [2021-11-13 18:17:29,888 INFO L138 BoogieDeclarations]: Found implementation of procedure get_bcdDevice [2021-11-13 18:17:29,888 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_disable_int [2021-11-13 18:17:29,888 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_disable_int [2021-11-13 18:17:29,888 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-13 18:17:29,888 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-13 18:17:29,889 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2021-11-13 18:17:29,889 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2021-11-13 18:17:29,889 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 18:17:29,889 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-13 18:17:29,889 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-13 18:17:29,890 INFO L130 BoogieDeclarations]: Found specification of procedure zd_rf_init_hw [2021-11-13 18:17:29,890 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_rf_init_hw [2021-11-13 18:17:29,890 INFO L130 BoogieDeclarations]: Found specification of procedure __zd_usb_enable_rx [2021-11-13 18:17:29,890 INFO L138 BoogieDeclarations]: Found implementation of procedure __zd_usb_enable_rx [2021-11-13 18:17:29,890 INFO L130 BoogieDeclarations]: Found specification of procedure usb_int_regs_length [2021-11-13 18:17:29,891 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_int_regs_length [2021-11-13 18:17:29,891 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-13 18:17:29,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-11-13 18:17:29,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-11-13 18:17:29,891 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_3 [2021-11-13 18:17:29,892 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_3 [2021-11-13 18:17:29,892 INFO L130 BoogieDeclarations]: Found specification of procedure usb_anchor_urb [2021-11-13 18:17:29,892 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_anchor_urb [2021-11-13 18:17:29,908 INFO L130 BoogieDeclarations]: Found specification of procedure zd_iowrite32 [2021-11-13 18:17:29,908 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_iowrite32 [2021-11-13 18:17:29,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-13 18:17:29,909 INFO L130 BoogieDeclarations]: Found specification of procedure zd_mac_config_beacon [2021-11-13 18:17:29,909 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_mac_config_beacon [2021-11-13 18:17:29,909 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_3 [2021-11-13 18:17:29,909 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_3 [2021-11-13 18:17:29,910 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2021-11-13 18:17:29,910 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2021-11-13 18:17:29,910 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-11-13 18:17:29,910 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-11-13 18:17:29,910 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2021-11-13 18:17:29,911 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2021-11-13 18:17:29,911 INFO L130 BoogieDeclarations]: Found specification of procedure _ieee80211_hw_set [2021-11-13 18:17:29,911 INFO L138 BoogieDeclarations]: Found implementation of procedure _ieee80211_hw_set [2021-11-13 18:17:29,911 INFO L130 BoogieDeclarations]: Found specification of procedure zd_tx_watchdog_handler [2021-11-13 18:17:29,911 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_tx_watchdog_handler [2021-11-13 18:17:29,912 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-13 18:17:29,912 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-13 18:17:29,912 INFO L130 BoogieDeclarations]: Found specification of procedure zd_hw_mac [2021-11-13 18:17:29,912 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_hw_mac [2021-11-13 18:17:29,912 INFO L130 BoogieDeclarations]: Found specification of procedure read_values [2021-11-13 18:17:29,913 INFO L138 BoogieDeclarations]: Found implementation of procedure read_values [2021-11-13 18:17:29,913 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2021-11-13 18:17:29,913 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2021-11-13 18:17:29,913 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-11-13 18:17:29,913 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-11-13 18:17:29,914 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2021-11-13 18:17:29,914 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2021-11-13 18:17:29,914 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_start [2021-11-13 18:17:29,914 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_start [2021-11-13 18:17:29,914 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2021-11-13 18:17:29,915 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2021-11-13 18:17:29,915 INFO L130 BoogieDeclarations]: Found specification of procedure disconnect [2021-11-13 18:17:29,915 INFO L138 BoogieDeclarations]: Found implementation of procedure disconnect [2021-11-13 18:17:29,915 INFO L130 BoogieDeclarations]: Found specification of procedure zd_intf_to_hw [2021-11-13 18:17:29,915 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_intf_to_hw [2021-11-13 18:17:29,916 INFO L130 BoogieDeclarations]: Found specification of procedure inc_addr [2021-11-13 18:17:29,916 INFO L138 BoogieDeclarations]: Found implementation of procedure inc_addr [2021-11-13 18:17:29,916 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2021-11-13 18:17:29,916 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2021-11-13 18:17:29,916 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_to_mac [2021-11-13 18:17:29,916 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_to_mac [2021-11-13 18:17:29,917 INFO L130 BoogieDeclarations]: Found specification of procedure zd_rfwritev_cr_locked [2021-11-13 18:17:29,917 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_rfwritev_cr_locked [2021-11-13 18:17:29,917 INFO L130 BoogieDeclarations]: Found specification of procedure pre_reset [2021-11-13 18:17:29,917 INFO L138 BoogieDeclarations]: Found implementation of procedure pre_reset [2021-11-13 18:17:29,917 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-11-13 18:17:29,918 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-11-13 18:17:29,918 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-13 18:17:29,918 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-13 18:17:29,918 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_switch_radio_on [2021-11-13 18:17:29,918 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_switch_radio_on [2021-11-13 18:17:29,919 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2021-11-13 18:17:29,919 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2021-11-13 18:17:29,919 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-13 18:17:29,919 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-13 18:17:29,919 INFO L130 BoogieDeclarations]: Found specification of procedure init_usb_anchor [2021-11-13 18:17:29,920 INFO L138 BoogieDeclarations]: Found implementation of procedure init_usb_anchor [2021-11-13 18:17:29,920 INFO L130 BoogieDeclarations]: Found specification of procedure uw2453_write_vco_cfg [2021-11-13 18:17:29,920 INFO L138 BoogieDeclarations]: Found implementation of procedure uw2453_write_vco_cfg [2021-11-13 18:17:29,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 18:17:29,920 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_switch_radio_off [2021-11-13 18:17:29,921 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_switch_radio_off [2021-11-13 18:17:29,921 INFO L130 BoogieDeclarations]: Found specification of procedure zd_ep_regs_out_msg [2021-11-13 18:17:29,921 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_ep_regs_out_msg [2021-11-13 18:17:29,921 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2021-11-13 18:17:29,921 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2021-11-13 18:17:29,922 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-13 18:17:29,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-13 18:17:29,922 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_to_chip [2021-11-13 18:17:29,922 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_to_chip [2021-11-13 18:17:29,922 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_disable_hwint [2021-11-13 18:17:29,923 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_disable_hwint [2021-11-13 18:17:29,923 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_ioread16v [2021-11-13 18:17:29,923 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_ioread16v [2021-11-13 18:17:29,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-11-13 18:17:29,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-11-13 18:17:29,924 INFO L130 BoogieDeclarations]: Found specification of procedure zd_usb_init_hw [2021-11-13 18:17:29,925 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_usb_init_hw [2021-11-13 18:17:29,925 INFO L130 BoogieDeclarations]: Found specification of procedure zd_ioread16_locked [2021-11-13 18:17:29,925 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_ioread16_locked [2021-11-13 18:17:29,926 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_init_hw [2021-11-13 18:17:29,926 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_init_hw [2021-11-13 18:17:29,926 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_bss_info_changed [2021-11-13 18:17:29,926 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_bss_info_changed [2021-11-13 18:17:29,926 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_equal [2021-11-13 18:17:29,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_equal [2021-11-13 18:17:29,927 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_get_tsf [2021-11-13 18:17:29,927 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_get_tsf [2021-11-13 18:17:29,927 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_disable_int [2021-11-13 18:17:29,927 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_disable_int [2021-11-13 18:17:29,928 INFO L130 BoogieDeclarations]: Found specification of procedure zd_process_intr [2021-11-13 18:17:29,928 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_process_intr [2021-11-13 18:17:29,928 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_3 [2021-11-13 18:17:29,928 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_3 [2021-11-13 18:17:29,928 INFO L130 BoogieDeclarations]: Found specification of procedure link_led_handler [2021-11-13 18:17:29,929 INFO L138 BoogieDeclarations]: Found implementation of procedure link_led_handler [2021-11-13 18:17:29,929 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-11-13 18:17:29,929 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-11-13 18:17:29,929 INFO L130 BoogieDeclarations]: Found specification of procedure skb_unlink [2021-11-13 18:17:29,929 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_unlink [2021-11-13 18:17:29,942 INFO L130 BoogieDeclarations]: Found specification of procedure zd_ioread16v_locked [2021-11-13 18:17:29,942 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_ioread16v_locked [2021-11-13 18:17:29,942 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-11-13 18:17:29,942 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-11-13 18:17:29,943 INFO L130 BoogieDeclarations]: Found specification of procedure zd_chip_enable_int [2021-11-13 18:17:29,943 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_chip_enable_int [2021-11-13 18:17:29,943 INFO L130 BoogieDeclarations]: Found specification of procedure usb_reset_device [2021-11-13 18:17:29,943 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_reset_device [2021-11-13 18:17:29,943 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-13 18:17:29,944 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-13 18:17:29,944 INFO L130 BoogieDeclarations]: Found specification of procedure _zd_iowrite32v_async_locked [2021-11-13 18:17:29,944 INFO L138 BoogieDeclarations]: Found implementation of procedure _zd_iowrite32v_async_locked [2021-11-13 18:17:29,944 INFO L130 BoogieDeclarations]: Found specification of procedure set_mac_and_bssid [2021-11-13 18:17:29,944 INFO L138 BoogieDeclarations]: Found implementation of procedure set_mac_and_bssid [2021-11-13 18:17:29,945 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_tx [2021-11-13 18:17:29,945 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_tx [2021-11-13 18:17:29,945 INFO L130 BoogieDeclarations]: Found specification of procedure zd_op_add_interface [2021-11-13 18:17:29,945 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_op_add_interface [2021-11-13 18:17:29,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 18:17:29,946 INFO L130 BoogieDeclarations]: Found specification of procedure zd_write_mac_addr [2021-11-13 18:17:29,946 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_write_mac_addr [2021-11-13 18:17:29,946 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2021-11-13 18:17:29,946 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2021-11-13 18:17:29,946 INFO L130 BoogieDeclarations]: Found specification of procedure zd_iowrite16a_locked [2021-11-13 18:17:29,946 INFO L138 BoogieDeclarations]: Found implementation of procedure zd_iowrite16a_locked [2021-11-13 18:17:29,947 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2021-11-13 18:17:29,947 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2021-11-13 18:17:37,441 INFO L766 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-13 18:25:32,812 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 18:25:32,813 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-13 18:25:32,821 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:25:32 BoogieIcfgContainer [2021-11-13 18:25:32,821 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 18:25:32,823 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-13 18:25:32,823 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-13 18:25:32,826 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-13 18:25:32,826 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 06:17:17" (1/3) ... [2021-11-13 18:25:32,827 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ac7155f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 06:25:32, skipping insertion in model container [2021-11-13 18:25:32,827 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:17:27" (2/3) ... [2021-11-13 18:25:32,828 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ac7155f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 06:25:32, skipping insertion in model container [2021-11-13 18:25:32,828 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:25:32" (3/3) ... [2021-11-13 18:25:32,829 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--wireless--zd1211rw--zd1211rw.ko-entry_point.cil.out.i [2021-11-13 18:25:32,834 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-13 18:25:32,834 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-13 18:25:32,898 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-13 18:25:32,905 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 [2021-11-13 18:25:32,905 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-13 18:25:33,020 INFO L276 IsEmpty]: Start isEmpty. Operand has 4089 states, 2723 states have (on average 1.3187660668380463) internal successors, (3591), 2826 states have internal predecessors, (3591), 1157 states have call successors, (1157), 208 states have call predecessors, (1157), 207 states have return successors, (1151), 1142 states have call predecessors, (1151), 1151 states have call successors, (1151) [2021-11-13 18:25:33,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-13 18:25:33,033 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:25:33,034 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-13 18:25:33,034 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:25:33,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:25:33,039 INFO L85 PathProgramCache]: Analyzing trace with hash -227046202, now seen corresponding path program 1 times [2021-11-13 18:25:33,048 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:25:33,049 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503209852] [2021-11-13 18:25:33,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:25:33,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:25:34,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:25:35,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-13 18:25:35,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:25:35,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:25:35,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:25:35,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:25:35,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:25:35,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-13 18:25:35,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:25:35,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-13 18:25:35,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:25:35,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-13 18:25:35,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:25:35,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-13 18:25:35,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:25:35,393 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 18:25:35,393 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:25:35,398 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [503209852] [2021-11-13 18:25:35,399 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [503209852] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:25:35,402 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:25:35,403 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-13 18:25:35,404 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10996475] [2021-11-13 18:25:35,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:25:35,410 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-13 18:25:35,410 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:25:35,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-13 18:25:35,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-13 18:25:35,454 INFO L87 Difference]: Start difference. First operand has 4089 states, 2723 states have (on average 1.3187660668380463) internal successors, (3591), 2826 states have internal predecessors, (3591), 1157 states have call successors, (1157), 208 states have call predecessors, (1157), 207 states have return successors, (1151), 1142 states have call predecessors, (1151), 1151 states have call successors, (1151) Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (10), 4 states have call predecessors, (10), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-11-13 18:25:37,823 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.34s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:25:39,981 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:25:46,085 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:25:48,407 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:26:02,643 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:26:04,078 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:26:16,521 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:26:18,251 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:26:23,749 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:26:26,079 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:26:28,351 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:26:30,526 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:26:32,598 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:26:34,865 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:26:42,092 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:26:44,364 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:26:46,713 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.35s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:26:48,966 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:26:51,151 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:26:52,996 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:26:55,201 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:26:57,254 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:27:02,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:27:02,158 INFO L93 Difference]: Finished difference Result 8887 states and 13380 transitions. [2021-11-13 18:27:02,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-13 18:27:02,161 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (10), 4 states have call predecessors, (10), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 62 [2021-11-13 18:27:02,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:27:02,232 INFO L225 Difference]: With dead ends: 8887 [2021-11-13 18:27:02,232 INFO L226 Difference]: Without dead ends: 4779 [2021-11-13 18:27:02,277 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-13 18:27:02,280 INFO L933 BasicCegarLoop]: 5538 mSDtfsCounter, 1399 mSDsluCounter, 4874 mSDsCounter, 0 mSdLazyCounter, 3694 mSolverCounterSat, 1465 mSolverCounterUnsat, 17 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 80567.51ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 1737 SdHoareTripleChecker+Valid, 10412 SdHoareTripleChecker+Invalid, 5176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 105.48ms SdHoareTripleChecker+Time, 1465 IncrementalHoareTripleChecker+Valid, 3694 IncrementalHoareTripleChecker+Invalid, 17 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 86027.75ms IncrementalHoareTripleChecker+Time [2021-11-13 18:27:02,281 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1737 Valid, 10412 Invalid, 5176 Unknown, 0 Unchecked, 105.48ms Time], IncrementalHoareTripleChecker [1465 Valid, 3694 Invalid, 17 Unknown, 0 Unchecked, 86027.75ms Time] [2021-11-13 18:27:02,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4779 states. [2021-11-13 18:27:02,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4779 to 4066. [2021-11-13 18:27:02,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4066 states, 2708 states have (on average 1.3146233382570163) internal successors, (3560), 2804 states have internal predecessors, (3560), 1151 states have call successors, (1151), 207 states have call predecessors, (1151), 206 states have return successors, (1149), 1140 states have call predecessors, (1149), 1149 states have call successors, (1149) [2021-11-13 18:27:02,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4066 states to 4066 states and 5860 transitions. [2021-11-13 18:27:02,682 INFO L78 Accepts]: Start accepts. Automaton has 4066 states and 5860 transitions. Word has length 62 [2021-11-13 18:27:02,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:27:02,684 INFO L470 AbstractCegarLoop]: Abstraction has 4066 states and 5860 transitions. [2021-11-13 18:27:02,684 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (10), 4 states have call predecessors, (10), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-11-13 18:27:02,684 INFO L276 IsEmpty]: Start isEmpty. Operand 4066 states and 5860 transitions. [2021-11-13 18:27:02,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-13 18:27:02,697 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:27:02,697 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-13 18:27:02,697 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-13 18:27:02,698 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:27:02,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:27:02,698 INFO L85 PathProgramCache]: Analyzing trace with hash 2039334984, now seen corresponding path program 1 times [2021-11-13 18:27:02,698 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:27:02,699 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571013671] [2021-11-13 18:27:02,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:27:02,699 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:27:03,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:27:04,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-13 18:27:04,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:27:04,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:27:04,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:27:04,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:27:04,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:27:04,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-11-13 18:27:04,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:27:04,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-13 18:27:04,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:27:04,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-11-13 18:27:04,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:27:04,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-11-13 18:27:04,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:27:04,484 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-13 18:27:04,484 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:27:04,485 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1571013671] [2021-11-13 18:27:04,485 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1571013671] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:27:04,485 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:27:04,485 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-13 18:27:04,485 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844987527] [2021-11-13 18:27:04,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:27:04,487 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-13 18:27:04,487 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:27:04,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-13 18:27:04,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-13 18:27:04,488 INFO L87 Difference]: Start difference. First operand 4066 states and 5860 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-11-13 18:27:06,803 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:27:15,395 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:27:19,197 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:27:45,083 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:27:55,143 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:28:07,946 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:28:09,142 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:28:12,950 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:28:20,717 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:28:23,165 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:28:25,438 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:28:27,766 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:28:30,001 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:28:32,234 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:28:42,350 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:28:44,693 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.34s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:28:47,552 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:28:51,190 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:28:55,093 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:28:56,543 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:28:59,699 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:29:00,910 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:29:02,927 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:29:04,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:29:04,119 INFO L93 Difference]: Finished difference Result 12245 states and 17915 transitions. [2021-11-13 18:29:04,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-13 18:29:04,120 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 62 [2021-11-13 18:29:04,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-13 18:29:04,198 INFO L225 Difference]: With dead ends: 12245 [2021-11-13 18:29:04,198 INFO L226 Difference]: Without dead ends: 8189 [2021-11-13 18:29:04,227 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-11-13 18:29:04,229 INFO L933 BasicCegarLoop]: 7456 mSDtfsCounter, 5600 mSDsluCounter, 11413 mSDsCounter, 0 mSdLazyCounter, 6813 mSolverCounterSat, 3066 mSolverCounterUnsat, 14 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 112464.75ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 6379 SdHoareTripleChecker+Valid, 18869 SdHoareTripleChecker+Invalid, 9893 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 131.74ms SdHoareTripleChecker+Time, 3066 IncrementalHoareTripleChecker+Valid, 6813 IncrementalHoareTripleChecker+Invalid, 14 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 118784.23ms IncrementalHoareTripleChecker+Time [2021-11-13 18:29:04,229 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6379 Valid, 18869 Invalid, 9893 Unknown, 0 Unchecked, 131.74ms Time], IncrementalHoareTripleChecker [3066 Valid, 6813 Invalid, 14 Unknown, 0 Unchecked, 118784.23ms Time] [2021-11-13 18:29:04,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8189 states. [2021-11-13 18:29:04,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8189 to 7060. [2021-11-13 18:29:04,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7060 states, 4683 states have (on average 1.3119795003203074) internal successors, (6144), 4856 states have internal predecessors, (6144), 1992 states have call successors, (1992), 377 states have call predecessors, (1992), 384 states have return successors, (2012), 1980 states have call predecessors, (2012), 1990 states have call successors, (2012) [2021-11-13 18:29:04,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7060 states to 7060 states and 10148 transitions. [2021-11-13 18:29:04,685 INFO L78 Accepts]: Start accepts. Automaton has 7060 states and 10148 transitions. Word has length 62 [2021-11-13 18:29:04,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-13 18:29:04,685 INFO L470 AbstractCegarLoop]: Abstraction has 7060 states and 10148 transitions. [2021-11-13 18:29:04,686 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2021-11-13 18:29:04,686 INFO L276 IsEmpty]: Start isEmpty. Operand 7060 states and 10148 transitions. [2021-11-13 18:29:04,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2021-11-13 18:29:04,692 INFO L506 BasicCegarLoop]: Found error trace [2021-11-13 18:29:04,693 INFO L514 BasicCegarLoop]: trace histogram [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] [2021-11-13 18:29:04,693 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-13 18:29:04,693 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-13 18:29:04,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:29:04,694 INFO L85 PathProgramCache]: Analyzing trace with hash 1465338227, now seen corresponding path program 1 times [2021-11-13 18:29:04,694 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:29:04,694 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361140287] [2021-11-13 18:29:04,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:29:04,694 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:29:05,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:29:06,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-13 18:29:06,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:29:06,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:29:06,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:29:06,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:29:06,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:29:06,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-11-13 18:29:06,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:29:06,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:29:06,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:29:06,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:29:06,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:29:06,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-11-13 18:29:06,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:29:06,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2021-11-13 18:29:06,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:29:06,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-11-13 18:29:06,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:29:06,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-13 18:29:06,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:29:06,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:29:06,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:29:06,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-11-13 18:29:06,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:29:06,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:29:06,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:29:06,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-13 18:29:06,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:29:07,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-13 18:29:07,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:29:07,066 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-11-13 18:29:07,066 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:29:07,066 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [361140287] [2021-11-13 18:29:07,066 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [361140287] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:29:07,066 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:29:07,067 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-13 18:29:07,067 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477755148] [2021-11-13 18:29:07,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:29:07,067 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-13 18:29:07,067 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:29:07,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-13 18:29:07,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-13 18:29:07,068 INFO L87 Difference]: Start difference. First operand 7060 states and 10148 transitions. Second operand has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (18), 7 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) [2021-11-13 18:29:09,463 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:29:11,531 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:29:18,456 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:29:20,768 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:29:47,725 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:29:48,927 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:29:58,027 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:30:00,206 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:30:02,399 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:30:11,134 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:30:17,729 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:30:19,969 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:30:22,236 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:30:24,559 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:30:26,950 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:30:29,120 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:30:42,502 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:30:44,767 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:30:47,119 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.35s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-13 18:30:49,382 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []