/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=NARROWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-consumption/linux-3.8-rc1-32_7a-drivers--usb--serial--usbserial.ko-ldv_main0.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 17:40:31,969 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 17:40:31,972 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 17:40:32,014 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 17:40:32,014 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 17:40:32,019 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 17:40:32,021 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 17:40:32,025 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 17:40:32,033 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 17:40:32,034 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 17:40:32,035 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 17:40:32,036 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 17:40:32,037 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 17:40:32,038 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 17:40:32,038 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 17:40:32,040 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 17:40:32,040 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 17:40:32,041 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 17:40:32,042 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 17:40:32,044 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 17:40:32,046 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 17:40:32,047 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 17:40:32,048 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 17:40:32,049 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 17:40:32,051 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 17:40:32,051 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 17:40:32,052 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 17:40:32,053 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 17:40:32,053 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 17:40:32,054 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 17:40:32,054 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 17:40:32,055 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 17:40:32,055 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 17:40:32,056 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 17:40:32,057 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 17:40:32,057 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 17:40:32,058 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 17:40:32,058 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 17:40:32,058 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 17:40:32,059 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 17:40:32,060 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 17:40:32,061 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2020-10-13 17:40:32,085 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 17:40:32,085 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 17:40:32,088 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 17:40:32,088 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 17:40:32,089 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 17:40:32,089 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 17:40:32,089 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 17:40:32,090 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 17:40:32,090 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 17:40:32,090 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 17:40:32,090 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 17:40:32,091 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 17:40:32,091 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 17:40:32,091 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 17:40:32,091 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 17:40:32,091 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 17:40:32,092 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 17:40:32,092 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 17:40:32,093 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 17:40:32,094 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 17:40:32,094 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 17:40:32,094 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 17:40:32,094 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 17:40:32,094 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 17:40:32,095 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 17:40:32,095 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 17:40:32,095 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-13 17:40:32,095 INFO L138 SettingsManager]: * To the following directory=dump/ Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 17:40:32,440 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 17:40:32,454 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 17:40:32,458 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 17:40:32,459 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 17:40:32,460 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 17:40:32,461 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-consumption/linux-3.8-rc1-32_7a-drivers--usb--serial--usbserial.ko-ldv_main0.cil.out.i [2020-10-13 17:40:32,531 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0f4748766/1abac4303ea3469080f2d708fb972f2c/FLAG50252b546 [2020-10-13 17:40:33,433 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 17:40:33,434 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-consumption/linux-3.8-rc1-32_7a-drivers--usb--serial--usbserial.ko-ldv_main0.cil.out.i [2020-10-13 17:40:33,487 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0f4748766/1abac4303ea3469080f2d708fb972f2c/FLAG50252b546 [2020-10-13 17:40:33,851 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0f4748766/1abac4303ea3469080f2d708fb972f2c [2020-10-13 17:40:33,860 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 17:40:33,862 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 17:40:33,864 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 17:40:33,864 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 17:40:33,867 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 17:40:33,869 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:40:33" (1/1) ... [2020-10-13 17:40:33,872 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54776ad8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:40:33, skipping insertion in model container [2020-10-13 17:40:33,872 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 05:40:33" (1/1) ... [2020-10-13 17:40:33,880 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 17:40:34,064 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 17:40:37,244 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 17:40:37,283 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 17:40:37,802 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 17:40:38,525 INFO L208 MainTranslator]: Completed translation [2020-10-13 17:40:38,527 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:40:38 WrapperNode [2020-10-13 17:40:38,527 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 17:40:38,528 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 17:40:38,528 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 17:40:38,528 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 17:40:38,544 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:40:38" (1/1) ... [2020-10-13 17:40:38,544 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:40:38" (1/1) ... [2020-10-13 17:40:38,636 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:40:38" (1/1) ... [2020-10-13 17:40:38,637 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:40:38" (1/1) ... [2020-10-13 17:40:38,858 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:40:38" (1/1) ... [2020-10-13 17:40:38,881 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:40:38" (1/1) ... [2020-10-13 17:40:38,929 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:40:38" (1/1) ... [2020-10-13 17:40:38,961 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 17:40:38,962 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 17:40:38,962 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 17:40:38,962 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 17:40:38,963 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:40:38" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 17:40:39,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 17:40:39,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 17:40:39,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-10-13 17:40:39,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2020-10-13 17:40:39,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2020-10-13 17:40:39,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2020-10-13 17:40:39,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2020-10-13 17:40:39,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2020-10-13 17:40:39,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2020-10-13 17:40:39,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2020-10-13 17:40:39,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~pm_message_t~0~TO~int [2020-10-13 17:40:39,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2020-10-13 17:40:39,049 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2020-10-13 17:40:39,049 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2020-10-13 17:40:39,049 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2020-10-13 17:40:39,049 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2020-10-13 17:40:39,049 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2020-10-13 17:40:39,051 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_sub_and_test [2020-10-13 17:40:39,052 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2020-10-13 17:40:39,052 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2020-10-13 17:40:39,052 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2020-10-13 17:40:39,052 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2020-10-13 17:40:39,053 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2020-10-13 17:40:39,053 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2020-10-13 17:40:39,053 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_init [2020-10-13 17:40:39,053 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2020-10-13 17:40:39,054 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2020-10-13 17:40:39,054 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2020-10-13 17:40:39,054 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2020-10-13 17:40:39,054 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-13 17:40:39,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-10-13 17:40:39,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-13 17:40:39,054 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-13 17:40:39,055 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-13 17:40:39,055 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-13 17:40:39,055 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_tty_driver [2020-10-13 17:40:39,055 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2020-10-13 17:40:39,055 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_out [2020-10-13 17:40:39,055 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2020-10-13 17:40:39,055 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_int [2020-10-13 17:40:39,055 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_in [2020-10-13 17:40:39,056 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_bulk_out [2020-10-13 17:40:39,058 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_int_in [2020-10-13 17:40:39,059 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_is_int_out [2020-10-13 17:40:39,059 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2020-10-13 17:40:39,059 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2020-10-13 17:40:39,059 INFO L138 BoogieDeclarations]: Found implementation of procedure device_is_registered [2020-10-13 17:40:39,060 INFO L138 BoogieDeclarations]: Found implementation of procedure device_enable_async_suspend [2020-10-13 17:40:39,060 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2020-10-13 17:40:39,060 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2020-10-13 17:40:39,060 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2020-10-13 17:40:39,061 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2020-10-13 17:40:39,061 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2020-10-13 17:40:39,061 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2020-10-13 17:40:39,062 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2020-10-13 17:40:39,062 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_translate_errors [2020-10-13 17:40:39,062 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_int_must_check_helper [2020-10-13 17:40:39,063 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_console_init [2020-10-13 17:40:39,063 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_console_exit [2020-10-13 17:40:39,063 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_console_disconnect [2020-10-13 17:40:39,063 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_get_by_index [2020-10-13 17:40:39,063 INFO L138 BoogieDeclarations]: Found implementation of procedure get_free_serial [2020-10-13 17:40:39,064 INFO L138 BoogieDeclarations]: Found implementation of procedure return_serial [2020-10-13 17:40:39,064 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_serial [2020-10-13 17:40:39,064 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_put [2020-10-13 17:40:39,064 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_install [2020-10-13 17:40:39,065 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_activate [2020-10-13 17:40:39,065 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_open [2020-10-13 17:40:39,065 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_shutdown [2020-10-13 17:40:39,065 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_hangup [2020-10-13 17:40:39,066 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_close [2020-10-13 17:40:39,067 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_cleanup [2020-10-13 17:40:39,067 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_write [2020-10-13 17:40:39,068 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_write_room [2020-10-13 17:40:39,069 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_chars_in_buffer [2020-10-13 17:40:39,069 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_throttle [2020-10-13 17:40:39,069 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_unthrottle [2020-10-13 17:40:39,069 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_ioctl [2020-10-13 17:40:39,070 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_set_termios [2020-10-13 17:40:39,070 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_break [2020-10-13 17:40:39,070 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_proc_show [2020-10-13 17:40:39,070 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_proc_open [2020-10-13 17:40:39,070 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_tiocmget [2020-10-13 17:40:39,071 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_tiocmset [2020-10-13 17:40:39,072 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_get_icount [2020-10-13 17:40:39,072 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_port_softint [2020-10-13 17:40:39,072 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_port_work [2020-10-13 17:40:39,073 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_port_poison_urbs [2020-10-13 17:40:39,073 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_port_unpoison_urbs [2020-10-13 17:40:39,073 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_port_release [2020-10-13 17:40:39,073 INFO L138 BoogieDeclarations]: Found implementation of procedure create_serial [2020-10-13 17:40:39,073 INFO L138 BoogieDeclarations]: Found implementation of procedure match_dynamic_id [2020-10-13 17:40:39,074 INFO L138 BoogieDeclarations]: Found implementation of procedure get_iface_id [2020-10-13 17:40:39,074 INFO L138 BoogieDeclarations]: Found implementation of procedure search_serial_device [2020-10-13 17:40:39,074 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_carrier_raised [2020-10-13 17:40:39,074 INFO L138 BoogieDeclarations]: Found implementation of procedure serial_port_dtr_rts [2020-10-13 17:40:39,075 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_probe [2020-10-13 17:40:39,075 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_disconnect [2020-10-13 17:40:39,075 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_suspend [2020-10-13 17:40:39,075 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_unpoison_port_urbs [2020-10-13 17:40:39,075 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_resume [2020-10-13 17:40:39,076 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_reset_resume [2020-10-13 17:40:39,076 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_init [2020-10-13 17:40:39,076 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_exit [2020-10-13 17:40:39,076 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_operations_init [2020-10-13 17:40:39,076 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_register [2020-10-13 17:40:39,077 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister [2020-10-13 17:40:39,077 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_register_drivers [2020-10-13 17:40:39,077 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_deregister_drivers [2020-10-13 17:40:39,077 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 17:40:39,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2020-10-13 17:40:39,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2020-10-13 17:40:39,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2020-10-13 17:40:39,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_4 [2020-10-13 17:40:39,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2020-10-13 17:40:39,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_6 [2020-10-13 17:40:39,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_7 [2020-10-13 17:40:39,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_8 [2020-10-13 17:40:39,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2020-10-13 17:40:39,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_10 [2020-10-13 17:40:39,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_11 [2020-10-13 17:40:39,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_12 [2020-10-13 17:40:39,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_13 [2020-10-13 17:40:39,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_14 [2020-10-13 17:40:39,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_15 [2020-10-13 17:40:39,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_16 [2020-10-13 17:40:39,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_17 [2020-10-13 17:40:39,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_18 [2020-10-13 17:40:39,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_19 [2020-10-13 17:40:39,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_20 [2020-10-13 17:40:39,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_21 [2020-10-13 17:40:39,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_22 [2020-10-13 17:40:39,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_23 [2020-10-13 17:40:39,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_24 [2020-10-13 17:40:39,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_25 [2020-10-13 17:40:39,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_26 [2020-10-13 17:40:39,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_27 [2020-10-13 17:40:39,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_28 [2020-10-13 17:40:39,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_29 [2020-10-13 17:40:39,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_30 [2020-10-13 17:40:39,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_31 [2020-10-13 17:40:39,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_32 [2020-10-13 17:40:39,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_33 [2020-10-13 17:40:39,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_34 [2020-10-13 17:40:39,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_35 [2020-10-13 17:40:39,101 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2020-10-13 17:40:39,102 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit_unlock [2020-10-13 17:40:39,102 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2020-10-13 17:40:39,102 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit_lock [2020-10-13 17:40:39,102 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2020-10-13 17:40:39,102 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2020-10-13 17:40:39,103 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2020-10-13 17:40:39,103 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2020-10-13 17:40:39,103 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2020-10-13 17:40:39,103 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ti_thread_flag [2020-10-13 17:40:39,103 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2020-10-13 17:40:39,104 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2020-10-13 17:40:39,105 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2020-10-13 17:40:39,105 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_char [2020-10-13 17:40:39,105 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_string [2020-10-13 17:40:39,105 INFO L138 BoogieDeclarations]: Found implementation of procedure test_tsk_thread_flag [2020-10-13 17:40:39,106 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2020-10-13 17:40:39,106 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_uint_must_check_helper [2020-10-13 17:40:39,106 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_debug_data [2020-10-13 17:40:39,106 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_register [2020-10-13 17:40:39,107 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_deregister [2020-10-13 17:40:39,107 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_open [2020-10-13 17:40:39,107 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_close [2020-10-13 17:40:39,107 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_prepare_write_buffer [2020-10-13 17:40:39,107 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_write_start [2020-10-13 17:40:39,108 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_write [2020-10-13 17:40:39,108 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_write_room [2020-10-13 17:40:39,108 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_chars_in_buffer [2020-10-13 17:40:39,108 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_submit_read_urb [2020-10-13 17:40:39,109 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_submit_read_urbs [2020-10-13 17:40:39,109 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_process_read_urb [2020-10-13 17:40:39,109 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_read_bulk_callback [2020-10-13 17:40:39,109 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_write_bulk_callback [2020-10-13 17:40:39,109 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_throttle [2020-10-13 17:40:39,110 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_unthrottle [2020-10-13 17:40:39,110 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_msr_changed [2020-10-13 17:40:39,110 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_tiocmiwait [2020-10-13 17:40:39,111 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_get_icount [2020-10-13 17:40:39,111 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_handle_sysrq_char [2020-10-13 17:40:39,111 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_handle_break [2020-10-13 17:40:39,111 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_handle_dcd_change [2020-10-13 17:40:39,111 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_generic_resume [2020-10-13 17:40:39,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main1_sequence_infinite_withcheck_stateful [2020-10-13 17:40:39,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_71 [2020-10-13 17:40:39,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_72 [2020-10-13 17:40:39,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_73 [2020-10-13 17:40:39,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_74 [2020-10-13 17:40:39,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_75 [2020-10-13 17:40:39,112 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_device_match [2020-10-13 17:40:39,113 INFO L138 BoogieDeclarations]: Found implementation of procedure show_port_number [2020-10-13 17:40:39,113 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_device_probe [2020-10-13 17:40:39,113 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_device_remove [2020-10-13 17:40:39,113 INFO L138 BoogieDeclarations]: Found implementation of procedure store_new_id [2020-10-13 17:40:39,113 INFO L138 BoogieDeclarations]: Found implementation of procedure show_dynids [2020-10-13 17:40:39,114 INFO L138 BoogieDeclarations]: Found implementation of procedure free_dynids [2020-10-13 17:40:39,114 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_bus_register [2020-10-13 17:40:39,114 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_serial_bus_deregister [2020-10-13 17:40:39,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_main2_sequence_infinite_withcheck_stateful [2020-10-13 17:40:39,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_81 [2020-10-13 17:40:39,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_82 [2020-10-13 17:40:39,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_83 [2020-10-13 17:40:39,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_84 [2020-10-13 17:40:39,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_85 [2020-10-13 17:40:39,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-13 17:40:39,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-13 17:40:39,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_disc_mutex_of_usb_serial [2020-10-13 17:40:39,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_disc_mutex_of_usb_serial [2020-10-13 17:40:39,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_disc_mutex_of_usb_serial [2020-10-13 17:40:39,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_disc_mutex_of_usb_serial [2020-10-13 17:40:39,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_disc_mutex_of_usb_serial [2020-10-13 17:40:39,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_disc_mutex_of_usb_serial [2020-10-13 17:40:39,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_disc_mutex_of_usb_serial [2020-10-13 17:40:39,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2020-10-13 17:40:39,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2020-10-13 17:40:39,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2020-10-13 17:40:39,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2020-10-13 17:40:39,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-10-13 17:40:39,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2020-10-13 17:40:39,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2020-10-13 17:40:39,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-10-13 17:40:39,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2020-10-13 17:40:39,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2020-10-13 17:40:39,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2020-10-13 17:40:39,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-10-13 17:40:39,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2020-10-13 17:40:39,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2020-10-13 17:40:39,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_table_lock [2020-10-13 17:40:39,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_table_lock [2020-10-13 17:40:39,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_table_lock [2020-10-13 17:40:39,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_table_lock [2020-10-13 17:40:39,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_table_lock [2020-10-13 17:40:39,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_table_lock [2020-10-13 17:40:39,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_table_lock [2020-10-13 17:40:39,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-13 17:40:39,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-13 17:40:39,122 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2020-10-13 17:40:39,122 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2020-10-13 17:40:39,123 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2020-10-13 17:40:39,123 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_alloc [2020-10-13 17:40:39,123 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_free [2020-10-13 17:40:39,123 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_in [2020-10-13 17:40:39,123 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_in_r [2020-10-13 17:40:39,124 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_max_r [2020-10-13 17:40:39,124 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_out [2020-10-13 17:40:39,124 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_out_r [2020-10-13 17:40:39,124 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2020-10-13 17:40:39,124 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2020-10-13 17:40:39,125 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2020-10-13 17:40:39,125 INFO L138 BoogieDeclarations]: Found implementation of procedure __tty_alloc_driver [2020-10-13 17:40:39,125 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2020-10-13 17:40:39,126 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2020-10-13 17:40:39,132 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2020-10-13 17:40:39,132 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2020-10-13 17:40:39,132 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2020-10-13 17:40:39,132 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2020-10-13 17:40:39,132 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2020-10-13 17:40:39,133 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2020-10-13 17:40:39,133 INFO L138 BoogieDeclarations]: Found implementation of procedure bus_register [2020-10-13 17:40:39,133 INFO L138 BoogieDeclarations]: Found implementation of procedure bus_unregister [2020-10-13 17:40:39,133 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2020-10-13 17:40:39,133 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2020-10-13 17:40:39,134 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-10-13 17:40:39,134 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-10-13 17:40:39,134 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_name [2020-10-13 17:40:39,134 INFO L138 BoogieDeclarations]: Found implementation of procedure device_add [2020-10-13 17:40:39,134 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2020-10-13 17:40:39,135 INFO L138 BoogieDeclarations]: Found implementation of procedure device_del [2020-10-13 17:40:39,135 INFO L138 BoogieDeclarations]: Found implementation of procedure device_initialize [2020-10-13 17:40:39,139 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2020-10-13 17:40:39,139 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_attach [2020-10-13 17:40:39,139 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_register [2020-10-13 17:40:39,139 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_unregister [2020-10-13 17:40:39,140 INFO L138 BoogieDeclarations]: Found implementation of procedure find_first_bit [2020-10-13 17:40:39,140 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2020-10-13 17:40:39,140 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_sysrq [2020-10-13 17:40:39,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2020-10-13 17:40:39,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value_probe [2020-10-13 17:40:39,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2020-10-13 17:40:39,141 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2020-10-13 17:40:39,141 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2020-10-13 17:40:39,142 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2020-10-13 17:40:39,142 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2020-10-13 17:40:39,142 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2020-10-13 17:40:39,142 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-10-13 17:40:39,143 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2020-10-13 17:40:39,143 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-13 17:40:39,143 INFO L138 BoogieDeclarations]: Found implementation of procedure put_device [2020-10-13 17:40:39,143 INFO L138 BoogieDeclarations]: Found implementation of procedure put_tty_driver [2020-10-13 17:40:39,143 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2020-10-13 17:40:39,143 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2020-10-13 17:40:39,144 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_printf [2020-10-13 17:40:39,144 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_putc [2020-10-13 17:40:39,144 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_puts [2020-10-13 17:40:39,144 INFO L138 BoogieDeclarations]: Found implementation of procedure single_open [2020-10-13 17:40:39,144 INFO L138 BoogieDeclarations]: Found implementation of procedure try_module_get [2020-10-13 17:40:39,145 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_flip_buffer_push [2020-10-13 17:40:39,145 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_hangup [2020-10-13 17:40:39,145 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_string_fixed_flag [2020-10-13 17:40:39,145 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_string_flags [2020-10-13 17:40:39,145 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_kref_put [2020-10-13 17:40:39,145 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_close [2020-10-13 17:40:39,145 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_destroy [2020-10-13 17:40:39,146 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_hangup [2020-10-13 17:40:39,146 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_init [2020-10-13 17:40:39,146 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_install [2020-10-13 17:40:39,146 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_open [2020-10-13 17:40:39,146 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_get [2020-10-13 17:40:39,146 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_wakeup [2020-10-13 17:40:39,146 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_register_device [2020-10-13 17:40:39,146 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_register_driver [2020-10-13 17:40:39,146 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_set_operations [2020-10-13 17:40:39,147 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_termios_copy_hw [2020-10-13 17:40:39,147 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_device [2020-10-13 17:40:39,147 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_driver [2020-10-13 17:40:39,147 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_vhangup [2020-10-13 17:40:39,147 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2020-10-13 17:40:39,147 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2020-10-13 17:40:39,147 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2020-10-13 17:40:39,147 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2020-10-13 17:40:39,148 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_disabled [2020-10-13 17:40:39,148 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2020-10-13 17:40:39,148 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_dev [2020-10-13 17:40:39,148 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intf [2020-10-13 17:40:39,148 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2020-10-13 17:40:39,148 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_match_id [2020-10-13 17:40:39,148 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_match_one_id [2020-10-13 17:40:39,148 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_poison_urb [2020-10-13 17:40:39,149 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_dev [2020-10-13 17:40:39,149 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_intf [2020-10-13 17:40:39,149 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2020-10-13 17:40:39,149 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_show_dynids [2020-10-13 17:40:39,149 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_store_new_id [2020-10-13 17:40:39,149 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2020-10-13 17:40:39,149 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unpoison_urb [2020-10-13 17:40:39,149 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_fmt [2020-10-13 17:40:39,150 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2020-10-13 17:40:39,150 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-13 17:40:39,150 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 17:40:39,150 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-13 17:40:39,150 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2020-10-13 17:40:39,150 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-13 17:40:39,150 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2020-10-13 17:40:39,151 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2020-10-13 17:40:39,151 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2020-10-13 17:40:39,151 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2020-10-13 17:40:39,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-13 17:40:39,151 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2020-10-13 17:40:39,151 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2020-10-13 17:40:39,151 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-13 17:40:39,151 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2020-10-13 17:40:39,152 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_fmt [2020-10-13 17:40:39,152 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2020-10-13 17:40:39,152 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2020-10-13 17:40:39,152 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2020-10-13 17:40:39,152 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2020-10-13 17:40:39,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-13 17:40:39,152 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_sub_and_test [2020-10-13 17:40:39,152 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2020-10-13 17:40:39,153 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2020-10-13 17:40:39,153 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2020-10-13 17:40:39,153 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2020-10-13 17:40:39,153 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_4 [2020-10-13 17:40:39,153 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-10-13 17:40:39,153 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2020-10-13 17:40:39,153 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2020-10-13 17:40:39,153 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_8 [2020-10-13 17:40:39,153 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2020-10-13 17:40:39,154 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_11 [2020-10-13 17:40:39,154 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_12 [2020-10-13 17:40:39,154 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_14 [2020-10-13 17:40:39,154 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_15 [2020-10-13 17:40:39,154 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_16 [2020-10-13 17:40:39,155 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_18 [2020-10-13 17:40:39,155 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_20 [2020-10-13 17:40:39,155 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_22 [2020-10-13 17:40:39,155 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_23 [2020-10-13 17:40:39,155 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_25 [2020-10-13 17:40:39,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_27 [2020-10-13 17:40:39,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_28 [2020-10-13 17:40:39,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_29 [2020-10-13 17:40:39,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_31 [2020-10-13 17:40:39,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_33 [2020-10-13 17:40:39,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_35 [2020-10-13 17:40:39,157 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2020-10-13 17:40:39,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2020-10-13 17:40:39,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2020-10-13 17:40:39,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_6 [2020-10-13 17:40:39,158 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_7 [2020-10-13 17:40:39,158 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_10 [2020-10-13 17:40:39,158 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_13 [2020-10-13 17:40:39,158 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_17 [2020-10-13 17:40:39,158 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_19 [2020-10-13 17:40:39,160 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_21 [2020-10-13 17:40:39,161 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_24 [2020-10-13 17:40:39,161 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_26 [2020-10-13 17:40:39,162 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_30 [2020-10-13 17:40:39,162 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_32 [2020-10-13 17:40:39,162 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_34 [2020-10-13 17:40:39,162 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_disc_mutex_of_usb_serial [2020-10-13 17:40:39,162 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_disc_mutex_of_usb_serial [2020-10-13 17:40:39,163 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2020-10-13 17:40:39,163 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2020-10-13 17:40:39,163 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2020-10-13 17:40:39,163 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2020-10-13 17:40:39,163 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2020-10-13 17:40:39,164 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_table_lock [2020-10-13 17:40:39,164 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_table_lock [2020-10-13 17:40:39,164 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2020-10-13 17:40:39,164 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2020-10-13 17:40:39,164 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2020-10-13 17:40:39,165 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2020-10-13 17:40:39,165 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2020-10-13 17:40:39,165 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2020-10-13 17:40:39,165 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2020-10-13 17:40:39,165 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2020-10-13 17:40:39,165 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2020-10-13 17:40:39,166 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2020-10-13 17:40:39,166 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2020-10-13 17:40:39,166 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2020-10-13 17:40:39,166 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-13 17:40:39,166 INFO L130 BoogieDeclarations]: Found specification of procedure kref_init [2020-10-13 17:40:39,167 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2020-10-13 17:40:39,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-13 17:40:39,167 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2020-10-13 17:40:39,167 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-10-13 17:40:39,168 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2020-10-13 17:40:39,168 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2020-10-13 17:40:39,168 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 17:40:39,168 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-13 17:40:39,168 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-13 17:40:39,169 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-13 17:40:39,169 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-10-13 17:40:39,169 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-13 17:40:39,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-13 17:40:39,169 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-13 17:40:39,170 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-13 17:40:39,170 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-13 17:40:39,170 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-13 17:40:39,170 INFO L130 BoogieDeclarations]: Found specification of procedure __tty_alloc_driver [2020-10-13 17:40:39,170 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2020-10-13 17:40:39,170 INFO L130 BoogieDeclarations]: Found specification of procedure tty_set_operations [2020-10-13 17:40:39,171 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_tty_driver [2020-10-13 17:40:39,171 INFO L130 BoogieDeclarations]: Found specification of procedure tty_kref_put [2020-10-13 17:40:39,171 INFO L130 BoogieDeclarations]: Found specification of procedure tty_register_driver [2020-10-13 17:40:39,171 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_driver [2020-10-13 17:40:39,171 INFO L130 BoogieDeclarations]: Found specification of procedure tty_vhangup [2020-10-13 17:40:39,172 INFO L130 BoogieDeclarations]: Found specification of procedure tty_termios_copy_hw [2020-10-13 17:40:39,172 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_init [2020-10-13 17:40:39,172 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_destroy [2020-10-13 17:40:39,172 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_get [2020-10-13 17:40:39,172 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_hangup [2020-10-13 17:40:39,172 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_wakeup [2020-10-13 17:40:39,173 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_close [2020-10-13 17:40:39,173 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_install [2020-10-13 17:40:39,173 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_open [2020-10-13 17:40:39,173 INFO L130 BoogieDeclarations]: Found specification of procedure try_module_get [2020-10-13 17:40:39,173 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2020-10-13 17:40:39,174 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2020-10-13 17:40:39,174 INFO L130 BoogieDeclarations]: Found specification of procedure seq_lseek [2020-10-13 17:40:39,174 INFO L130 BoogieDeclarations]: Found specification of procedure seq_putc [2020-10-13 17:40:39,174 INFO L130 BoogieDeclarations]: Found specification of procedure seq_puts [2020-10-13 17:40:39,174 INFO L130 BoogieDeclarations]: Found specification of procedure seq_printf [2020-10-13 17:40:39,175 INFO L130 BoogieDeclarations]: Found specification of procedure single_open [2020-10-13 17:40:39,175 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2020-10-13 17:40:39,175 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2020-10-13 17:40:39,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-13 17:40:39,175 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_out [2020-10-13 17:40:39,176 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2020-10-13 17:40:39,176 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_int [2020-10-13 17:40:39,176 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_in [2020-10-13 17:40:39,176 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_bulk_out [2020-10-13 17:40:39,176 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_int_in [2020-10-13 17:40:39,177 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_is_int_out [2020-10-13 17:40:39,177 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2020-10-13 17:40:39,177 INFO L130 BoogieDeclarations]: Found specification of procedure bus_register [2020-10-13 17:40:39,177 INFO L130 BoogieDeclarations]: Found specification of procedure bus_unregister [2020-10-13 17:40:39,177 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2020-10-13 17:40:39,178 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_name [2020-10-13 17:40:39,178 INFO L130 BoogieDeclarations]: Found specification of procedure device_is_registered [2020-10-13 17:40:39,178 INFO L130 BoogieDeclarations]: Found specification of procedure device_enable_async_suspend [2020-10-13 17:40:39,178 INFO L130 BoogieDeclarations]: Found specification of procedure device_initialize [2020-10-13 17:40:39,178 INFO L130 BoogieDeclarations]: Found specification of procedure device_add [2020-10-13 17:40:39,178 INFO L130 BoogieDeclarations]: Found specification of procedure device_del [2020-10-13 17:40:39,179 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-10-13 17:40:39,179 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-10-13 17:40:39,179 INFO L130 BoogieDeclarations]: Found specification of procedure driver_attach [2020-10-13 17:40:39,179 INFO L130 BoogieDeclarations]: Found specification of procedure put_device [2020-10-13 17:40:39,179 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2020-10-13 17:40:39,180 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2020-10-13 17:40:39,180 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2020-10-13 17:40:39,180 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2020-10-13 17:40:39,180 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intf [2020-10-13 17:40:39,180 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_intf [2020-10-13 17:40:39,181 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2020-10-13 17:40:39,181 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_dev [2020-10-13 17:40:39,181 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_dev [2020-10-13 17:40:39,181 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2020-10-13 17:40:39,181 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2020-10-13 17:40:39,182 INFO L130 BoogieDeclarations]: Found specification of procedure usb_match_id [2020-10-13 17:40:39,182 INFO L130 BoogieDeclarations]: Found specification of procedure usb_match_one_id [2020-10-13 17:40:39,182 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2020-10-13 17:40:39,182 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2020-10-13 17:40:39,182 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2020-10-13 17:40:39,182 INFO L130 BoogieDeclarations]: Found specification of procedure usb_disabled [2020-10-13 17:40:39,183 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2020-10-13 17:40:39,183 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2020-10-13 17:40:39,183 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2020-10-13 17:40:39,183 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2020-10-13 17:40:39,183 INFO L130 BoogieDeclarations]: Found specification of procedure usb_poison_urb [2020-10-13 17:40:39,184 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unpoison_urb [2020-10-13 17:40:39,184 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2020-10-13 17:40:39,184 INFO L130 BoogieDeclarations]: Found specification of procedure usb_translate_errors [2020-10-13 17:40:39,184 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_int_must_check_helper [2020-10-13 17:40:39,184 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_alloc [2020-10-13 17:40:39,185 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_free [2020-10-13 17:40:39,185 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_register_drivers [2020-10-13 17:40:39,185 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister_drivers [2020-10-13 17:40:39,185 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_port_softint [2020-10-13 17:40:39,185 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_suspend [2020-10-13 17:40:39,186 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_resume [2020-10-13 17:40:39,186 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_console_init [2020-10-13 17:40:39,186 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_console_exit [2020-10-13 17:40:39,186 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_console_disconnect [2020-10-13 17:40:39,186 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_get_by_index [2020-10-13 17:40:39,191 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_put [2020-10-13 17:40:39,191 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_open [2020-10-13 17:40:39,192 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_write [2020-10-13 17:40:39,192 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_close [2020-10-13 17:40:39,192 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_resume [2020-10-13 17:40:39,192 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_write_room [2020-10-13 17:40:39,193 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_chars_in_buffer [2020-10-13 17:40:39,193 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_read_bulk_callback [2020-10-13 17:40:39,193 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_write_bulk_callback [2020-10-13 17:40:39,193 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_register [2020-10-13 17:40:39,193 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_deregister [2020-10-13 17:40:39,194 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_process_read_urb [2020-10-13 17:40:39,194 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_prepare_write_buffer [2020-10-13 17:40:39,194 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_bus_register [2020-10-13 17:40:39,194 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_bus_deregister [2020-10-13 17:40:39,194 INFO L130 BoogieDeclarations]: Found specification of procedure get_free_serial [2020-10-13 17:40:39,194 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-13 17:40:39,195 INFO L130 BoogieDeclarations]: Found specification of procedure return_serial [2020-10-13 17:40:39,195 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_serial [2020-10-13 17:40:39,195 INFO L130 BoogieDeclarations]: Found specification of procedure serial_install [2020-10-13 17:40:39,195 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_activate [2020-10-13 17:40:39,195 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2020-10-13 17:40:39,196 INFO L130 BoogieDeclarations]: Found specification of procedure serial_open [2020-10-13 17:40:39,196 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_shutdown [2020-10-13 17:40:39,196 INFO L130 BoogieDeclarations]: Found specification of procedure serial_hangup [2020-10-13 17:40:39,196 INFO L130 BoogieDeclarations]: Found specification of procedure serial_close [2020-10-13 17:40:39,196 INFO L130 BoogieDeclarations]: Found specification of procedure serial_cleanup [2020-10-13 17:40:39,197 INFO L130 BoogieDeclarations]: Found specification of procedure serial_write [2020-10-13 17:40:39,197 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2020-10-13 17:40:39,197 INFO L130 BoogieDeclarations]: Found specification of procedure serial_write_room [2020-10-13 17:40:39,197 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2020-10-13 17:40:39,197 INFO L130 BoogieDeclarations]: Found specification of procedure serial_chars_in_buffer [2020-10-13 17:40:39,198 INFO L130 BoogieDeclarations]: Found specification of procedure serial_throttle [2020-10-13 17:40:39,198 INFO L130 BoogieDeclarations]: Found specification of procedure serial_unthrottle [2020-10-13 17:40:39,198 INFO L130 BoogieDeclarations]: Found specification of procedure serial_ioctl [2020-10-13 17:40:39,198 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2020-10-13 17:40:39,198 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2020-10-13 17:40:39,199 INFO L130 BoogieDeclarations]: Found specification of procedure serial_set_termios [2020-10-13 17:40:39,199 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2020-10-13 17:40:39,199 INFO L130 BoogieDeclarations]: Found specification of procedure serial_break [2020-10-13 17:40:39,199 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2020-10-13 17:40:39,199 INFO L130 BoogieDeclarations]: Found specification of procedure serial_proc_show [2020-10-13 17:40:39,200 INFO L130 BoogieDeclarations]: Found specification of procedure serial_proc_open [2020-10-13 17:40:39,200 INFO L130 BoogieDeclarations]: Found specification of procedure serial_tiocmget [2020-10-13 17:40:39,200 INFO L130 BoogieDeclarations]: Found specification of procedure serial_tiocmset [2020-10-13 17:40:39,200 INFO L130 BoogieDeclarations]: Found specification of procedure serial_get_icount [2020-10-13 17:40:39,200 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_port_work [2020-10-13 17:40:39,201 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_port_poison_urbs [2020-10-13 17:40:39,201 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_port_unpoison_urbs [2020-10-13 17:40:39,201 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_port_release [2020-10-13 17:40:39,201 INFO L130 BoogieDeclarations]: Found specification of procedure create_serial [2020-10-13 17:40:39,201 INFO L130 BoogieDeclarations]: Found specification of procedure match_dynamic_id [2020-10-13 17:40:39,202 INFO L130 BoogieDeclarations]: Found specification of procedure get_iface_id [2020-10-13 17:40:39,202 INFO L130 BoogieDeclarations]: Found specification of procedure search_serial_device [2020-10-13 17:40:39,202 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_carrier_raised [2020-10-13 17:40:39,202 INFO L130 BoogieDeclarations]: Found specification of procedure serial_port_dtr_rts [2020-10-13 17:40:39,202 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_probe [2020-10-13 17:40:39,203 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_disconnect [2020-10-13 17:40:39,203 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~pm_message_t~0~TO~int [2020-10-13 17:40:39,203 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_unpoison_port_urbs [2020-10-13 17:40:39,203 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_reset_resume [2020-10-13 17:40:39,203 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_init [2020-10-13 17:40:39,203 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_exit [2020-10-13 17:40:39,203 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_operations_init [2020-10-13 17:40:39,204 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_register [2020-10-13 17:40:39,204 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_deregister [2020-10-13 17:40:39,204 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-13 17:40:39,204 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2020-10-13 17:40:39,204 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value_probe [2020-10-13 17:40:39,204 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-13 17:40:39,205 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2020-10-13 17:40:39,205 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 17:40:39,205 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2020-10-13 17:40:39,205 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit_unlock [2020-10-13 17:40:39,205 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2020-10-13 17:40:39,206 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit_lock [2020-10-13 17:40:39,206 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2020-10-13 17:40:39,206 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2020-10-13 17:40:39,206 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2020-10-13 17:40:39,206 INFO L130 BoogieDeclarations]: Found specification of procedure find_first_bit [2020-10-13 17:40:39,207 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2020-10-13 17:40:39,207 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2020-10-13 17:40:39,207 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_74 [2020-10-13 17:40:39,207 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_72 [2020-10-13 17:40:39,207 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_75 [2020-10-13 17:40:39,208 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_71 [2020-10-13 17:40:39,208 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_73 [2020-10-13 17:40:39,208 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2020-10-13 17:40:39,208 INFO L130 BoogieDeclarations]: Found specification of procedure test_ti_thread_flag [2020-10-13 17:40:39,208 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2020-10-13 17:40:39,209 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2020-10-13 17:40:39,209 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2020-10-13 17:40:39,209 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2020-10-13 17:40:39,209 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2020-10-13 17:40:39,209 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2020-10-13 17:40:39,210 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2020-10-13 17:40:39,210 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2020-10-13 17:40:39,210 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2020-10-13 17:40:39,210 INFO L130 BoogieDeclarations]: Found specification of procedure autoremove_wake_function [2020-10-13 17:40:39,210 INFO L130 BoogieDeclarations]: Found specification of procedure handle_sysrq [2020-10-13 17:40:39,211 INFO L130 BoogieDeclarations]: Found specification of procedure tty_hangup [2020-10-13 17:40:39,211 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string_flags [2020-10-13 17:40:39,211 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string_fixed_flag [2020-10-13 17:40:39,211 INFO L130 BoogieDeclarations]: Found specification of procedure tty_flip_buffer_push [2020-10-13 17:40:39,211 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_char [2020-10-13 17:40:39,212 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string [2020-10-13 17:40:39,212 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2020-10-13 17:40:39,212 INFO L130 BoogieDeclarations]: Found specification of procedure test_tsk_thread_flag [2020-10-13 17:40:39,212 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2020-10-13 17:40:39,212 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2020-10-13 17:40:39,212 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2020-10-13 17:40:39,213 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_uint_must_check_helper [2020-10-13 17:40:39,213 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_in [2020-10-13 17:40:39,213 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_out [2020-10-13 17:40:39,213 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_in_r [2020-10-13 17:40:39,213 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_out_r [2020-10-13 17:40:39,214 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_max_r [2020-10-13 17:40:39,214 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_throttle [2020-10-13 17:40:39,214 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_unthrottle [2020-10-13 17:40:39,214 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_tiocmiwait [2020-10-13 17:40:39,214 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_get_icount [2020-10-13 17:40:39,215 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_submit_read_urbs [2020-10-13 17:40:39,215 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_handle_sysrq_char [2020-10-13 17:40:39,215 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_handle_break [2020-10-13 17:40:39,215 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_handle_dcd_change [2020-10-13 17:40:39,215 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_debug_data [2020-10-13 17:40:39,216 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_write_start [2020-10-13 17:40:39,216 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2020-10-13 17:40:39,216 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_submit_read_urb [2020-10-13 17:40:39,216 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_generic_msr_changed [2020-10-13 17:40:39,216 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main1_sequence_infinite_withcheck_stateful [2020-10-13 17:40:39,216 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2020-10-13 17:40:39,217 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_84 [2020-10-13 17:40:39,217 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_82 [2020-10-13 17:40:39,217 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_85 [2020-10-13 17:40:39,217 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_81 [2020-10-13 17:40:39,217 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_83 [2020-10-13 17:40:39,218 INFO L130 BoogieDeclarations]: Found specification of procedure tty_register_device [2020-10-13 17:40:39,218 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_device [2020-10-13 17:40:39,218 INFO L130 BoogieDeclarations]: Found specification of procedure driver_register [2020-10-13 17:40:39,218 INFO L130 BoogieDeclarations]: Found specification of procedure driver_unregister [2020-10-13 17:40:39,218 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2020-10-13 17:40:39,219 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2020-10-13 17:40:39,219 INFO L130 BoogieDeclarations]: Found specification of procedure usb_store_new_id [2020-10-13 17:40:39,219 INFO L130 BoogieDeclarations]: Found specification of procedure usb_show_dynids [2020-10-13 17:40:39,219 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_device_match [2020-10-13 17:40:39,219 INFO L130 BoogieDeclarations]: Found specification of procedure show_port_number [2020-10-13 17:40:39,220 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_device_probe [2020-10-13 17:40:39,220 INFO L130 BoogieDeclarations]: Found specification of procedure usb_serial_device_remove [2020-10-13 17:40:39,220 INFO L130 BoogieDeclarations]: Found specification of procedure store_new_id [2020-10-13 17:40:39,220 INFO L130 BoogieDeclarations]: Found specification of procedure show_dynids [2020-10-13 17:40:39,220 INFO L130 BoogieDeclarations]: Found specification of procedure free_dynids [2020-10-13 17:40:39,221 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_main2_sequence_infinite_withcheck_stateful [2020-10-13 17:40:39,221 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-13 17:40:39,221 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_disc_mutex_of_usb_serial [2020-10-13 17:40:39,221 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_disc_mutex_of_usb_serial [2020-10-13 17:40:39,221 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_disc_mutex_of_usb_serial [2020-10-13 17:40:39,222 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_disc_mutex_of_usb_serial [2020-10-13 17:40:39,222 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_disc_mutex_of_usb_serial [2020-10-13 17:40:39,222 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2020-10-13 17:40:39,222 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2020-10-13 17:40:39,222 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2020-10-13 17:40:39,222 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-10-13 17:40:39,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2020-10-13 17:40:39,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-10-13 17:40:39,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2020-10-13 17:40:39,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-10-13 17:40:39,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2020-10-13 17:40:39,224 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_table_lock [2020-10-13 17:40:39,224 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_table_lock [2020-10-13 17:40:39,224 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_table_lock [2020-10-13 17:40:39,224 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_table_lock [2020-10-13 17:40:39,224 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_table_lock [2020-10-13 17:40:39,224 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2020-10-13 17:40:39,225 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-13 17:40:39,225 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-10-13 17:40:39,225 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-10-13 17:40:39,225 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-13 17:40:39,225 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 17:40:39,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-13 17:40:39,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-13 17:40:39,226 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 17:41:08,767 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 17:41:08,767 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-13 17:41:08,781 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:41:08 BoogieIcfgContainer [2020-10-13 17:41:08,781 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 17:41:08,782 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 17:41:08,783 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 17:41:08,786 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 17:41:08,786 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 05:40:33" (1/3) ... [2020-10-13 17:41:08,787 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34c7d2b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 05:41:08, skipping insertion in model container [2020-10-13 17:41:08,787 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 05:40:38" (2/3) ... [2020-10-13 17:41:08,787 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34c7d2b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 05:41:08, skipping insertion in model container [2020-10-13 17:41:08,788 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 05:41:08" (3/3) ... [2020-10-13 17:41:08,789 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--usb--serial--usbserial.ko-ldv_main0.cil.out.i [2020-10-13 17:41:08,799 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 17:41:08,809 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 17:41:08,823 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 17:41:08,853 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 17:41:08,854 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 17:41:08,854 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 17:41:08,854 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 17:41:08,854 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 17:41:08,854 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 17:41:08,854 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 17:41:08,855 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 17:41:08,916 INFO L276 IsEmpty]: Start isEmpty. Operand 2701 states. [2020-10-13 17:41:08,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-10-13 17:41:08,924 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 17:41:08,925 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 17:41:08,925 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 17:41:08,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 17:41:08,932 INFO L82 PathProgramCache]: Analyzing trace with hash 1882405468, now seen corresponding path program 1 times [2020-10-13 17:41:08,940 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 17:41:08,941 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1248665462] [2020-10-13 17:41:08,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 17:41:11,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:41:12,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:41:18,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:41:29,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:41:29,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-13 17:41:29,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-13 17:41:29,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17828 [2020-10-13 17:41:29,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:41:29,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-13 17:41:29,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 39 [2020-10-13 17:41:29,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-13 17:41:29,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 17:41:50,438 WARN L193 SmtUtils]: Spent 20.70 s on a formula simplification that was a NOOP. DAG size: 2089 [2020-10-13 17:41:50,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 17:41:50,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:41:50,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:41:56,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:41:56,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:41:56,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:41:56,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5581 [2020-10-13 17:41:56,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:41:56,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:41:56,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:41:56,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:41:56,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:41:56,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-13 17:41:56,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:41:56,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:41:56,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:41:56,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:41:56,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:41:56,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-13 17:41:56,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:41:56,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:41:56,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:41:56,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:41:56,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:41:56,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 17:41:56,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:41:56,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:41:56,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:41:56,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 17:41:56,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:41:56,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 17:41:56,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:41:56,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 17:41:56,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:41:56,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 17:41:56,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:41:56,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-13 17:41:56,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:41:56,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:41:57,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:41:57,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-13 17:41:57,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:41:57,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 436 [2020-10-13 17:41:57,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:41:57,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-13 17:41:57,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-13 17:41:57,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-13 17:41:57,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:41:57,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:41:57,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:41:57,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:41:57,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:41:57,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-13 17:41:57,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:41:57,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 319 [2020-10-13 17:41:57,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:41:57,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-13 17:41:57,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-13 17:41:57,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-13 17:41:57,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:41:57,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:41:57,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:41:58,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:41:58,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:41:58,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-13 17:41:58,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:41:58,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-10-13 17:41:58,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:41:58,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 17:41:58,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:41:58,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-13 17:41:58,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 17:41:58,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:41:58,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:41:58,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:41:58,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:41:58,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 17:41:58,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:41:58,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-13 17:41:58,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:41:58,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-13 17:41:58,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:41:58,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-13 17:41:58,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:41:58,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 17:41:58,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:41:58,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:41:58,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:41:58,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-13 17:41:58,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:41:58,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 126 [2020-10-13 17:41:58,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:41:58,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-13 17:41:58,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:41:58,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-13 17:41:58,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:41:58,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-13 17:41:58,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 17:41:58,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 17:41:58,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 17:41:58,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-13 17:41:58,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 17:41:58,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-13 17:41:58,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 17:41:58,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 17:41:58,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 17:41:58,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 17:41:58,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 17:41:59,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 17:41:59,003 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1248665462] [2020-10-13 17:41:59,006 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 17:41:59,006 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2020-10-13 17:41:59,007 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680847978] [2020-10-13 17:41:59,013 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-13 17:41:59,013 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 17:41:59,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-13 17:41:59,029 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=237, Unknown=0, NotChecked=0, Total=272 [2020-10-13 17:41:59,031 INFO L87 Difference]: Start difference. First operand 2701 states. Second operand 17 states. [2020-10-13 17:42:23,665 WARN L193 SmtUtils]: Spent 21.16 s on a formula simplification that was a NOOP. DAG size: 2094 [2020-10-13 17:42:45,085 WARN L193 SmtUtils]: Spent 21.03 s on a formula simplification that was a NOOP. DAG size: 2094 [2020-10-13 17:43:06,334 WARN L193 SmtUtils]: Spent 21.04 s on a formula simplification that was a NOOP. DAG size: 2094 [2020-10-13 17:43:27,702 WARN L193 SmtUtils]: Spent 20.95 s on a formula simplification that was a NOOP. DAG size: 2094 [2020-10-13 17:43:48,782 WARN L193 SmtUtils]: Spent 20.87 s on a formula simplification that was a NOOP. DAG size: 2094 [2020-10-13 17:44:10,289 WARN L193 SmtUtils]: Spent 21.18 s on a formula simplification that was a NOOP. DAG size: 2101