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 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--char--lp.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 19:02:38,871 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 19:02:38,875 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 19:02:38,894 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 19:02:38,895 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 19:02:38,897 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 19:02:38,899 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 19:02:38,909 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 19:02:38,914 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 19:02:38,918 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 19:02:38,919 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 19:02:38,921 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 19:02:38,922 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 19:02:38,924 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 19:02:38,926 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 19:02:38,928 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 19:02:38,929 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 19:02:38,930 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 19:02:38,931 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 19:02:38,936 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 19:02:38,939 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 19:02:38,942 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 19:02:38,945 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 19:02:38,946 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 19:02:38,950 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 19:02:38,950 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 19:02:38,951 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 19:02:38,952 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 19:02:38,953 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 19:02:38,955 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 19:02:38,955 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 19:02:38,956 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 19:02:38,956 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 19:02:38,957 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 19:02:38,959 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 19:02:38,959 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 19:02:38,960 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 19:02:38,960 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 19:02:38,960 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 19:02:38,961 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 19:02:38,962 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 19:02:38,963 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 19:02:38,999 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 19:02:39,002 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 19:02:39,004 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 19:02:39,004 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 19:02:39,004 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 19:02:39,004 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 19:02:39,004 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 19:02:39,005 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 19:02:39,005 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 19:02:39,005 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 19:02:39,005 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 19:02:39,005 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 19:02:39,006 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 19:02:39,006 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 19:02:39,006 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 19:02:39,006 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 19:02:39,006 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 19:02:39,007 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 19:02:39,007 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 19:02:39,011 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 19:02:39,011 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 19:02:39,011 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 19:02:39,012 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 19:02:39,012 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 19:02:39,012 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 19:02:39,012 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 19:02:39,012 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 19:02:39,013 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 19:02:39,013 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-13 19:02:39,344 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 19:02:39,366 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 19:02:39,369 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 19:02:39,371 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 19:02:39,371 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 19:02:39,372 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--char--lp.ko-entry_point.cil.out.i [2019-10-13 19:02:39,452 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89c00fe67/d0b7bbe865a6499f8797a1137887cfba/FLAGdb258aa7a [2019-10-13 19:02:40,224 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 19:02:40,225 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--char--lp.ko-entry_point.cil.out.i [2019-10-13 19:02:40,265 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89c00fe67/d0b7bbe865a6499f8797a1137887cfba/FLAGdb258aa7a [2019-10-13 19:02:40,423 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89c00fe67/d0b7bbe865a6499f8797a1137887cfba [2019-10-13 19:02:40,432 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 19:02:40,434 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 19:02:40,435 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 19:02:40,435 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 19:02:40,439 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 19:02:40,440 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:02:40" (1/1) ... [2019-10-13 19:02:40,444 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d728960 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:02:40, skipping insertion in model container [2019-10-13 19:02:40,444 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:02:40" (1/1) ... [2019-10-13 19:02:40,452 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 19:02:40,580 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 19:02:42,386 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:02:42,454 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 19:02:42,830 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:02:43,057 INFO L192 MainTranslator]: Completed translation [2019-10-13 19:02:43,058 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:02:43 WrapperNode [2019-10-13 19:02:43,058 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 19:02:43,059 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 19:02:43,059 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 19:02:43,059 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 19:02:43,074 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:02:43" (1/1) ... [2019-10-13 19:02:43,074 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:02:43" (1/1) ... [2019-10-13 19:02:43,162 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:02:43" (1/1) ... [2019-10-13 19:02:43,165 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:02:43" (1/1) ... [2019-10-13 19:02:43,275 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:02:43" (1/1) ... [2019-10-13 19:02:43,294 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:02:43" (1/1) ... [2019-10-13 19:02:43,318 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:02:43" (1/1) ... [2019-10-13 19:02:43,349 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 19:02:43,354 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 19:02:43,354 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 19:02:43,354 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 19:02:43,356 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:02:43" (1/1) ... No working directory specified, using /storage/repos/ultimate/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 [2019-10-13 19:02:43,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 19:02:43,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 19:02:43,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2019-10-13 19:02:43,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2019-10-13 19:02:43,433 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-10-13 19:02:43,434 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2019-10-13 19:02:43,434 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2019-10-13 19:02:43,434 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2019-10-13 19:02:43,434 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2019-10-13 19:02:43,435 INFO L138 BoogieDeclarations]: Found implementation of procedure current_top_of_stack [2019-10-13 19:02:43,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-13 19:02:43,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-13 19:02:43,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-10-13 19:02:43,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-10-13 19:02:43,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-13 19:02:43,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-13 19:02:43,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-13 19:02:43,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-13 19:02:43,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-13 19:02:43,440 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2019-10-13 19:02:43,440 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ti_thread_flag [2019-10-13 19:02:43,441 INFO L138 BoogieDeclarations]: Found implementation of procedure test_tsk_thread_flag [2019-10-13 19:02:43,441 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2019-10-13 19:02:43,442 INFO L138 BoogieDeclarations]: Found implementation of procedure need_resched [2019-10-13 19:02:43,442 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-13 19:02:43,442 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-13 19:02:43,442 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2019-10-13 19:02:43,442 INFO L138 BoogieDeclarations]: Found implementation of procedure file_inode [2019-10-13 19:02:43,443 INFO L138 BoogieDeclarations]: Found implementation of procedure register_chrdev [2019-10-13 19:02:43,443 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev [2019-10-13 19:02:43,443 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2019-10-13 19:02:43,443 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-10-13 19:02:43,443 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2019-10-13 19:02:43,443 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_yield_blocking [2019-10-13 19:02:43,444 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_claim_parport_or_block [2019-10-13 19:02:43,444 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_release_parport [2019-10-13 19:02:43,444 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_preempt [2019-10-13 19:02:43,444 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_negotiate [2019-10-13 19:02:43,444 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_reset [2019-10-13 19:02:43,445 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_error [2019-10-13 19:02:43,445 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_check_status [2019-10-13 19:02:43,445 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_wait_ready [2019-10-13 19:02:43,445 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_write [2019-10-13 19:02:43,445 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_read [2019-10-13 19:02:43,446 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_open [2019-10-13 19:02:43,446 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_release [2019-10-13 19:02:43,446 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_do_ioctl [2019-10-13 19:02:43,446 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_set_timeout [2019-10-13 19:02:43,446 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_ioctl [2019-10-13 19:02:43,446 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_compat_ioctl [2019-10-13 19:02:43,447 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_console_write [2019-10-13 19:02:43,447 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_register [2019-10-13 19:02:43,447 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_attach [2019-10-13 19:02:43,447 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_detach [2019-10-13 19:02:43,447 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_init [2019-10-13 19:02:43,448 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_init_module [2019-10-13 19:02:43,448 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_cleanup_module [2019-10-13 19:02:43,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_file_operations_3 [2019-10-13 19:02:43,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_parport_driver_1 [2019-10-13 19:02:43,449 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 19:02:43,449 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-10-13 19:02:43,449 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-10-13 19:02:43,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_5 [2019-10-13 19:02:43,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_6 [2019-10-13 19:02:43,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2019-10-13 19:02:43,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_8 [2019-10-13 19:02:43,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_9 [2019-10-13 19:02:43,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_10 [2019-10-13 19:02:43,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_11 [2019-10-13 19:02:43,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_12 [2019-10-13 19:02:43,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_13 [2019-10-13 19:02:43,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_14 [2019-10-13 19:02:43,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_15 [2019-10-13 19:02:43,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_16 [2019-10-13 19:02:43,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_17 [2019-10-13 19:02:43,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_18 [2019-10-13 19:02:43,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_19 [2019-10-13 19:02:43,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_20 [2019-10-13 19:02:43,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_21 [2019-10-13 19:02:43,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_22 [2019-10-13 19:02:43,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_23 [2019-10-13 19:02:43,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_chrdev_24 [2019-10-13 19:02:43,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_25 [2019-10-13 19:02:43,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-13 19:02:43,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2019-10-13 19:02:43,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-13 19:02:43,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-13 19:02:43,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-13 19:02:43,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-13 19:02:43,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_i_mutex_of_inode [2019-10-13 19:02:43,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_i_mutex_of_inode [2019-10-13 19:02:43,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_i_mutex_of_inode [2019-10-13 19:02:43,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_i_mutex_of_inode [2019-10-13 19:02:43,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2019-10-13 19:02:43,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_i_mutex_of_inode [2019-10-13 19:02:43,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_i_mutex_of_inode [2019-10-13 19:02:43,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_i_mutex_of_inode [2019-10-13 19:02:43,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_i_mutex_of_inode [2019-10-13 19:02:43,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_i_mutex_of_inode [2019-10-13 19:02:43,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_i_mutex_of_inode [2019-10-13 19:02:43,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2019-10-13 19:02:43,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2019-10-13 19:02:43,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2019-10-13 19:02:43,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2019-10-13 19:02:43,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-13 19:02:43,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2019-10-13 19:02:43,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2019-10-13 19:02:43,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_lock [2019-10-13 19:02:43,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_lock [2019-10-13 19:02:43,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_lock [2019-10-13 19:02:43,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_lock [2019-10-13 19:02:43,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lp_mutex [2019-10-13 19:02:43,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lp_mutex [2019-10-13 19:02:43,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lp_mutex [2019-10-13 19:02:43,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lp_mutex [2019-10-13 19:02:43,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lp_mutex [2019-10-13 19:02:43,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lp_mutex [2019-10-13 19:02:43,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lp_mutex [2019-10-13 19:02:43,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_lp_mutex [2019-10-13 19:02:43,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_lp_mutex [2019-10-13 19:02:43,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_lp_mutex [2019-10-13 19:02:43,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_lp_mutex [2019-10-13 19:02:43,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-13 19:02:43,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-13 19:02:43,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2019-10-13 19:02:43,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2019-10-13 19:02:43,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-13 19:02:43,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-13 19:02:43,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2019-10-13 19:02:43,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_mutex_of_device [2019-10-13 19:02:43,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_mutex_of_device [2019-10-13 19:02:43,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2019-10-13 19:02:43,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_mutex_of_device [2019-10-13 19:02:43,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_port_mutex_of_lp_struct [2019-10-13 19:02:43,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_port_mutex_of_lp_struct [2019-10-13 19:02:43,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_port_mutex_of_lp_struct [2019-10-13 19:02:43,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_port_mutex_of_lp_struct [2019-10-13 19:02:43,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_port_mutex_of_lp_struct [2019-10-13 19:02:43,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_port_mutex_of_lp_struct [2019-10-13 19:02:43,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_port_mutex_of_lp_struct [2019-10-13 19:02:43,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_port_mutex_of_lp_struct [2019-10-13 19:02:43,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_port_mutex_of_lp_struct [2019-10-13 19:02:43,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_port_mutex_of_lp_struct [2019-10-13 19:02:43,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_port_mutex_of_lp_struct [2019-10-13 19:02:43,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-13 19:02:43,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ___might_sleep [2019-10-13 19:02:43,482 INFO L138 BoogieDeclarations]: Found implementation of procedure __class_create [2019-10-13 19:02:43,483 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2019-10-13 19:02:43,483 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user_overflow [2019-10-13 19:02:43,483 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user_overflow [2019-10-13 19:02:43,484 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-10-13 19:02:43,484 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2019-10-13 19:02:43,484 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-10-13 19:02:43,484 INFO L138 BoogieDeclarations]: Found implementation of procedure __parport_register_driver [2019-10-13 19:02:43,484 INFO L138 BoogieDeclarations]: Found implementation of procedure __register_chrdev [2019-10-13 19:02:43,484 INFO L138 BoogieDeclarations]: Found implementation of procedure __unregister_chrdev [2019-10-13 19:02:43,485 INFO L138 BoogieDeclarations]: Found implementation of procedure _cond_resched [2019-10-13 19:02:43,485 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2019-10-13 19:02:43,485 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2019-10-13 19:02:43,486 INFO L138 BoogieDeclarations]: Found implementation of procedure class_destroy [2019-10-13 19:02:43,487 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_get_timeval [2019-10-13 19:02:43,487 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create [2019-10-13 19:02:43,487 INFO L138 BoogieDeclarations]: Found implementation of procedure device_destroy [2019-10-13 19:02:43,487 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2019-10-13 19:02:43,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_close_1 [2019-10-13 19:02:43,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-13 19:02:43,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_open_1 [2019-10-13 19:02:43,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_probe_1 [2019-10-13 19:02:43,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_probe_2 [2019-10-13 19:02:43,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_1 [2019-10-13 19:02:43,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_2 [2019-10-13 19:02:43,489 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-10-13 19:02:43,490 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2019-10-13 19:02:43,490 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2019-10-13 19:02:43,490 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-13 19:02:43,490 INFO L138 BoogieDeclarations]: Found implementation of procedure noop_llseek [2019-10-13 19:02:43,490 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_claim [2019-10-13 19:02:43,490 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_claim_or_block [2019-10-13 19:02:43,491 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_negotiate [2019-10-13 19:02:43,491 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_read [2019-10-13 19:02:43,491 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_register_device [2019-10-13 19:02:43,491 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_release [2019-10-13 19:02:43,491 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_set_timeout [2019-10-13 19:02:43,492 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_unregister_device [2019-10-13 19:02:43,492 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_unregister_driver [2019-10-13 19:02:43,492 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_write [2019-10-13 19:02:43,492 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2019-10-13 19:02:43,492 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-13 19:02:43,492 INFO L138 BoogieDeclarations]: Found implementation of procedure register_console [2019-10-13 19:02:43,493 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2019-10-13 19:02:43,493 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2019-10-13 19:02:43,493 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2019-10-13 19:02:43,493 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_console [2019-10-13 19:02:43,493 INFO L138 BoogieDeclarations]: Found implementation of procedure autoremove_wake_function [2019-10-13 19:02:43,493 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-13 19:02:43,494 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-13 19:02:43,494 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-13 19:02:43,494 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-13 19:02:43,494 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 19:02:43,494 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-13 19:02:43,495 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-10-13 19:02:43,495 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2019-10-13 19:02:43,495 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2019-10-13 19:02:43,495 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2019-10-13 19:02:43,495 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-13 19:02:43,495 INFO L130 BoogieDeclarations]: Found specification of procedure ___might_sleep [2019-10-13 19:02:43,496 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2019-10-13 19:02:43,496 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2019-10-13 19:02:43,497 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-13 19:02:43,497 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-13 19:02:43,497 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-10-13 19:02:43,497 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2019-10-13 19:02:43,497 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-13 19:02:43,497 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2019-10-13 19:02:43,498 INFO L130 BoogieDeclarations]: Found specification of procedure memchr [2019-10-13 19:02:43,498 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-10-13 19:02:43,498 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-10-13 19:02:43,498 INFO L130 BoogieDeclarations]: Found specification of procedure current_top_of_stack [2019-10-13 19:02:43,498 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-10-13 19:02:43,498 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2019-10-13 19:02:43,499 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_10 [2019-10-13 19:02:43,499 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-13 19:02:43,499 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_6 [2019-10-13 19:02:43,499 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2019-10-13 19:02:43,499 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_11 [2019-10-13 19:02:43,499 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_13 [2019-10-13 19:02:43,500 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_15 [2019-10-13 19:02:43,500 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_17 [2019-10-13 19:02:43,500 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_19 [2019-10-13 19:02:43,500 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_21 [2019-10-13 19:02:43,500 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_23 [2019-10-13 19:02:43,500 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 19:02:43,501 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-13 19:02:43,501 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 19:02:43,501 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-13 19:02:43,501 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-13 19:02:43,501 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-13 19:02:43,502 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-13 19:02:43,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 19:02:43,502 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-13 19:02:43,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-13 19:02:43,502 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-10-13 19:02:43,502 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-10-13 19:02:43,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-13 19:02:43,503 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-13 19:02:43,503 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-13 19:02:43,503 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-13 19:02:43,503 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-13 19:02:43,503 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2019-10-13 19:02:43,503 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_12 [2019-10-13 19:02:43,504 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_14 [2019-10-13 19:02:43,504 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_18 [2019-10-13 19:02:43,504 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-10-13 19:02:43,504 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_5 [2019-10-13 19:02:43,504 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_8 [2019-10-13 19:02:43,504 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_9 [2019-10-13 19:02:43,505 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_16 [2019-10-13 19:02:43,505 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_20 [2019-10-13 19:02:43,505 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_22 [2019-10-13 19:02:43,505 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_i_mutex_of_inode [2019-10-13 19:02:43,505 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_i_mutex_of_inode [2019-10-13 19:02:43,505 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2019-10-13 19:02:43,505 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2019-10-13 19:02:43,506 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lp_mutex [2019-10-13 19:02:43,506 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lp_mutex [2019-10-13 19:02:43,506 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2019-10-13 19:02:43,507 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2019-10-13 19:02:43,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2019-10-13 19:02:43,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_port_mutex_of_lp_struct [2019-10-13 19:02:43,513 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_port_mutex_of_lp_struct [2019-10-13 19:02:43,513 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2019-10-13 19:02:43,513 INFO L130 BoogieDeclarations]: Found specification of procedure test_ti_thread_flag [2019-10-13 19:02:43,517 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-10-13 19:02:43,517 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2019-10-13 19:02:43,518 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2019-10-13 19:02:43,518 INFO L130 BoogieDeclarations]: Found specification of procedure autoremove_wake_function [2019-10-13 19:02:43,518 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2019-10-13 19:02:43,518 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2019-10-13 19:02:43,519 INFO L130 BoogieDeclarations]: Found specification of procedure test_tsk_thread_flag [2019-10-13 19:02:43,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 19:02:43,519 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2019-10-13 19:02:43,519 INFO L130 BoogieDeclarations]: Found specification of procedure _cond_resched [2019-10-13 19:02:43,519 INFO L130 BoogieDeclarations]: Found specification of procedure need_resched [2019-10-13 19:02:43,519 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-13 19:02:43,520 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-13 19:02:43,520 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-13 19:02:43,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_file_operations_3 [2019-10-13 19:02:43,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_parport_driver_1 [2019-10-13 19:02:43,520 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2019-10-13 19:02:43,520 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2019-10-13 19:02:43,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 19:02:43,521 INFO L130 BoogieDeclarations]: Found specification of procedure file_inode [2019-10-13 19:02:43,521 INFO L130 BoogieDeclarations]: Found specification of procedure __register_chrdev [2019-10-13 19:02:43,521 INFO L130 BoogieDeclarations]: Found specification of procedure __unregister_chrdev [2019-10-13 19:02:43,521 INFO L130 BoogieDeclarations]: Found specification of procedure register_chrdev [2019-10-13 19:02:43,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_chrdev_24 [2019-10-13 19:02:43,521 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev [2019-10-13 19:02:43,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_25 [2019-10-13 19:02:43,522 INFO L130 BoogieDeclarations]: Found specification of procedure noop_llseek [2019-10-13 19:02:43,522 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2019-10-13 19:02:43,522 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2019-10-13 19:02:43,522 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user_overflow [2019-10-13 19:02:43,522 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user_overflow [2019-10-13 19:02:43,523 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2019-10-13 19:02:43,523 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 19:02:43,523 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-10-13 19:02:43,523 INFO L130 BoogieDeclarations]: Found specification of procedure register_console [2019-10-13 19:02:43,523 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_console [2019-10-13 19:02:43,523 INFO L130 BoogieDeclarations]: Found specification of procedure __class_create [2019-10-13 19:02:43,524 INFO L130 BoogieDeclarations]: Found specification of procedure class_destroy [2019-10-13 19:02:43,524 INFO L130 BoogieDeclarations]: Found specification of procedure device_create [2019-10-13 19:02:43,524 INFO L130 BoogieDeclarations]: Found specification of procedure device_destroy [2019-10-13 19:02:43,524 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2019-10-13 19:02:43,524 INFO L130 BoogieDeclarations]: Found specification of procedure compat_get_timeval [2019-10-13 19:02:43,524 INFO L130 BoogieDeclarations]: Found specification of procedure __parport_register_driver [2019-10-13 19:02:43,524 INFO L130 BoogieDeclarations]: Found specification of procedure parport_unregister_driver [2019-10-13 19:02:43,561 INFO L130 BoogieDeclarations]: Found specification of procedure parport_register_device [2019-10-13 19:02:43,561 INFO L130 BoogieDeclarations]: Found specification of procedure parport_unregister_device [2019-10-13 19:02:43,562 INFO L130 BoogieDeclarations]: Found specification of procedure parport_claim [2019-10-13 19:02:43,562 INFO L130 BoogieDeclarations]: Found specification of procedure parport_claim_or_block [2019-10-13 19:02:43,562 INFO L130 BoogieDeclarations]: Found specification of procedure parport_release [2019-10-13 19:02:43,562 INFO L130 BoogieDeclarations]: Found specification of procedure parport_yield_blocking [2019-10-13 19:02:43,562 INFO L130 BoogieDeclarations]: Found specification of procedure parport_negotiate [2019-10-13 19:02:43,562 INFO L130 BoogieDeclarations]: Found specification of procedure parport_write [2019-10-13 19:02:43,562 INFO L130 BoogieDeclarations]: Found specification of procedure parport_read [2019-10-13 19:02:43,562 INFO L130 BoogieDeclarations]: Found specification of procedure parport_set_timeout [2019-10-13 19:02:43,563 INFO L130 BoogieDeclarations]: Found specification of procedure lp_claim_parport_or_block [2019-10-13 19:02:43,563 INFO L130 BoogieDeclarations]: Found specification of procedure lp_release_parport [2019-10-13 19:02:43,563 INFO L130 BoogieDeclarations]: Found specification of procedure lp_preempt [2019-10-13 19:02:43,563 INFO L130 BoogieDeclarations]: Found specification of procedure lp_negotiate [2019-10-13 19:02:43,563 INFO L130 BoogieDeclarations]: Found specification of procedure lp_reset [2019-10-13 19:02:43,563 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2019-10-13 19:02:43,563 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2019-10-13 19:02:43,563 INFO L130 BoogieDeclarations]: Found specification of procedure lp_error [2019-10-13 19:02:43,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 19:02:43,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 19:02:43,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 19:02:43,564 INFO L130 BoogieDeclarations]: Found specification of procedure lp_check_status [2019-10-13 19:02:43,564 INFO L130 BoogieDeclarations]: Found specification of procedure lp_wait_ready [2019-10-13 19:02:43,564 INFO L130 BoogieDeclarations]: Found specification of procedure lp_write [2019-10-13 19:02:43,564 INFO L130 BoogieDeclarations]: Found specification of procedure lp_read [2019-10-13 19:02:43,564 INFO L130 BoogieDeclarations]: Found specification of procedure lp_open [2019-10-13 19:02:43,564 INFO L130 BoogieDeclarations]: Found specification of procedure lp_release [2019-10-13 19:02:43,565 INFO L130 BoogieDeclarations]: Found specification of procedure lp_do_ioctl [2019-10-13 19:02:43,565 INFO L130 BoogieDeclarations]: Found specification of procedure lp_set_timeout [2019-10-13 19:02:43,565 INFO L130 BoogieDeclarations]: Found specification of procedure lp_ioctl [2019-10-13 19:02:43,565 INFO L130 BoogieDeclarations]: Found specification of procedure lp_compat_ioctl [2019-10-13 19:02:43,565 INFO L130 BoogieDeclarations]: Found specification of procedure lp_console_write [2019-10-13 19:02:43,565 INFO L130 BoogieDeclarations]: Found specification of procedure lp_register [2019-10-13 19:02:43,565 INFO L130 BoogieDeclarations]: Found specification of procedure lp_attach [2019-10-13 19:02:43,565 INFO L130 BoogieDeclarations]: Found specification of procedure lp_detach [2019-10-13 19:02:43,566 INFO L130 BoogieDeclarations]: Found specification of procedure lp_init [2019-10-13 19:02:43,566 INFO L130 BoogieDeclarations]: Found specification of procedure lp_init_module [2019-10-13 19:02:43,566 INFO L130 BoogieDeclarations]: Found specification of procedure lp_cleanup_module [2019-10-13 19:02:43,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_open_1 [2019-10-13 19:02:43,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_probe_1 [2019-10-13 19:02:43,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_1 [2019-10-13 19:02:43,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_2 [2019-10-13 19:02:43,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-13 19:02:43,567 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_close_1 [2019-10-13 19:02:43,567 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-13 19:02:43,567 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_probe_2 [2019-10-13 19:02:43,567 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 19:02:43,567 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-13 19:02:43,567 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2019-10-13 19:02:43,567 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-13 19:02:43,567 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-13 19:02:43,568 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_i_mutex_of_inode [2019-10-13 19:02:43,568 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_i_mutex_of_inode [2019-10-13 19:02:43,568 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_i_mutex_of_inode [2019-10-13 19:02:43,568 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2019-10-13 19:02:43,568 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_i_mutex_of_inode [2019-10-13 19:02:43,568 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_i_mutex_of_inode [2019-10-13 19:02:43,568 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_i_mutex_of_inode [2019-10-13 19:02:43,568 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_i_mutex_of_inode [2019-10-13 19:02:43,568 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_i_mutex_of_inode [2019-10-13 19:02:43,569 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2019-10-13 19:02:43,569 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2019-10-13 19:02:43,569 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2019-10-13 19:02:43,569 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-13 19:02:43,569 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2019-10-13 19:02:43,569 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_lock [2019-10-13 19:02:43,569 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_lock [2019-10-13 19:02:43,569 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_lock [2019-10-13 19:02:43,570 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_lock [2019-10-13 19:02:43,570 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lp_mutex [2019-10-13 19:02:43,570 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lp_mutex [2019-10-13 19:02:43,570 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lp_mutex [2019-10-13 19:02:43,570 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lp_mutex [2019-10-13 19:02:43,570 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lp_mutex [2019-10-13 19:02:43,570 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_lp_mutex [2019-10-13 19:02:43,570 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_lp_mutex [2019-10-13 19:02:43,570 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_lp_mutex [2019-10-13 19:02:43,571 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_lp_mutex [2019-10-13 19:02:43,571 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-13 19:02:43,571 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-13 19:02:43,571 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-13 19:02:43,571 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-13 19:02:43,571 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_mutex_of_device [2019-10-13 19:02:43,571 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_mutex_of_device [2019-10-13 19:02:43,572 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2019-10-13 19:02:43,572 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_mutex_of_device [2019-10-13 19:02:43,572 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_port_mutex_of_lp_struct [2019-10-13 19:02:43,572 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_port_mutex_of_lp_struct [2019-10-13 19:02:43,572 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_port_mutex_of_lp_struct [2019-10-13 19:02:43,572 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_port_mutex_of_lp_struct [2019-10-13 19:02:43,572 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_port_mutex_of_lp_struct [2019-10-13 19:02:43,572 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_port_mutex_of_lp_struct [2019-10-13 19:02:43,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_port_mutex_of_lp_struct [2019-10-13 19:02:43,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_port_mutex_of_lp_struct [2019-10-13 19:02:43,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_port_mutex_of_lp_struct [2019-10-13 19:02:43,573 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-13 19:02:43,573 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-10-13 19:02:43,573 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 19:02:43,573 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 19:02:43,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 19:02:43,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-13 19:02:43,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 19:02:44,566 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-13 19:02:47,199 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 19:02:47,199 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-13 19:02:47,201 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:02:47 BoogieIcfgContainer [2019-10-13 19:02:47,202 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 19:02:47,203 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 19:02:47,203 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 19:02:47,206 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 19:02:47,206 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:02:40" (1/3) ... [2019-10-13 19:02:47,207 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19d4db83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:02:47, skipping insertion in model container [2019-10-13 19:02:47,207 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:02:43" (2/3) ... [2019-10-13 19:02:47,208 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19d4db83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:02:47, skipping insertion in model container [2019-10-13 19:02:47,208 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:02:47" (3/3) ... [2019-10-13 19:02:47,210 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--char--lp.ko-entry_point.cil.out.i [2019-10-13 19:02:47,220 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 19:02:47,232 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 19:02:47,244 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 19:02:47,282 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 19:02:47,282 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 19:02:47,282 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 19:02:47,282 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 19:02:47,283 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 19:02:47,283 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 19:02:47,283 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 19:02:47,283 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 19:02:47,352 INFO L276 IsEmpty]: Start isEmpty. Operand 1355 states. [2019-10-13 19:02:47,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2019-10-13 19:02:47,386 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:02:47,389 INFO L380 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 19:02:47,392 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:02:47,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:02:47,399 INFO L82 PathProgramCache]: Analyzing trace with hash 340210622, now seen corresponding path program 1 times [2019-10-13 19:02:47,409 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:02:47,409 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1474694691] [2019-10-13 19:02:47,410 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:02:47,410 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:02:47,410 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:02:48,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:49,296 WARN L191 SmtUtils]: Spent 950.00 ms on a formula simplification that was a NOOP. DAG size: 361 [2019-10-13 19:02:49,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:49,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:49,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:49,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:49,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:49,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:49,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:49,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:49,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:49,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:49,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:49,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:49,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:49,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:49,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:49,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:49,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:49,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:49,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:49,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:49,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:49,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:49,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:49,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:49,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:49,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:49,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:49,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:49,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:49,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:49,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:49,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:49,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:49,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:02:49,899 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 444 trivial. 0 not checked. [2019-10-13 19:02:49,900 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1474694691] [2019-10-13 19:02:49,901 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:02:49,902 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-10-13 19:02:49,902 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065731103] [2019-10-13 19:02:49,909 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-10-13 19:02:49,910 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:02:49,929 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-10-13 19:02:49,930 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2019-10-13 19:02:49,933 INFO L87 Difference]: Start difference. First operand 1355 states. Second operand 12 states. [2019-10-13 19:02:53,931 WARN L191 SmtUtils]: Spent 882.00 ms on a formula simplification that was a NOOP. DAG size: 363 [2019-10-13 19:03:12,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:03:12,271 INFO L93 Difference]: Finished difference Result 2251 states and 2999 transitions. [2019-10-13 19:03:12,272 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-13 19:03:12,274 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 193 [2019-10-13 19:03:12,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:03:12,305 INFO L225 Difference]: With dead ends: 2251 [2019-10-13 19:03:12,305 INFO L226 Difference]: Without dead ends: 1187 [2019-10-13 19:03:12,316 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2019-10-13 19:03:12,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1187 states. [2019-10-13 19:03:12,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1187 to 1085. [2019-10-13 19:03:12,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1085 states. [2019-10-13 19:03:12,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1085 states to 1085 states and 1408 transitions. [2019-10-13 19:03:12,618 INFO L78 Accepts]: Start accepts. Automaton has 1085 states and 1408 transitions. Word has length 193 [2019-10-13 19:03:12,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:03:12,619 INFO L462 AbstractCegarLoop]: Abstraction has 1085 states and 1408 transitions. [2019-10-13 19:03:12,619 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-10-13 19:03:12,619 INFO L276 IsEmpty]: Start isEmpty. Operand 1085 states and 1408 transitions. [2019-10-13 19:03:12,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2019-10-13 19:03:12,626 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:03:12,626 INFO L380 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 19:03:12,627 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:03:12,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:03:12,627 INFO L82 PathProgramCache]: Analyzing trace with hash 1240012214, now seen corresponding path program 1 times [2019-10-13 19:03:12,628 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:03:12,628 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574122866] [2019-10-13 19:03:12,628 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:03:12,628 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:03:12,628 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:03:12,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:03:13,734 WARN L191 SmtUtils]: Spent 893.00 ms on a formula simplification that was a NOOP. DAG size: 361 [2019-10-13 19:03:13,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:03:13,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:03:13,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:03:13,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:03:13,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:03:13,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:03:13,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:03:13,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:03:13,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:03:13,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:03:13,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:03:13,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:03:13,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:03:13,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:03:13,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:03:13,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:03:13,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:03:13,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:03:13,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:03:14,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:03:14,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:03:14,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:03:14,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:03:14,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:03:14,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:03:14,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:03:14,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:03:14,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:03:14,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:03:14,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:03:14,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:03:14,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:03:14,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:03:14,208 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 444 trivial. 0 not checked. [2019-10-13 19:03:14,209 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574122866] [2019-10-13 19:03:14,209 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:03:14,210 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 19:03:14,210 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540737033] [2019-10-13 19:03:14,214 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 19:03:14,214 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:03:14,215 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 19:03:14,215 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2019-10-13 19:03:14,215 INFO L87 Difference]: Start difference. First operand 1085 states and 1408 transitions. Second operand 7 states. [2019-10-13 19:03:15,601 WARN L191 SmtUtils]: Spent 711.00 ms on a formula simplification that was a NOOP. DAG size: 363