/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 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--tty--isicom.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-06 20:08:48,191 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-06 20:08:48,194 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-06 20:08:48,212 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-06 20:08:48,212 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-06 20:08:48,214 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-06 20:08:48,216 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-06 20:08:48,224 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-06 20:08:48,228 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-06 20:08:48,231 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-06 20:08:48,233 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-06 20:08:48,234 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-06 20:08:48,235 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-06 20:08:48,236 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-06 20:08:48,238 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-06 20:08:48,240 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-06 20:08:48,241 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-06 20:08:48,242 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-06 20:08:48,243 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-06 20:08:48,247 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-06 20:08:48,251 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-06 20:08:48,254 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-06 20:08:48,256 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-06 20:08:48,257 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-06 20:08:48,260 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-06 20:08:48,260 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-06 20:08:48,260 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-06 20:08:48,262 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-06 20:08:48,262 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-06 20:08:48,264 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-06 20:08:48,264 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-06 20:08:48,265 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-06 20:08:48,266 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-06 20:08:48,267 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-06 20:08:48,268 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-06 20:08:48,268 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-06 20:08:48,269 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-06 20:08:48,269 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-06 20:08:48,269 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-06 20:08:48,270 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-06 20:08:48,271 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-06 20:08:48,272 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 [2019-11-06 20:08:48,305 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-06 20:08:48,305 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-06 20:08:48,310 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-06 20:08:48,310 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-06 20:08:48,310 INFO L138 SettingsManager]: * Use SBE=true [2019-11-06 20:08:48,310 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-06 20:08:48,311 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-06 20:08:48,313 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-06 20:08:48,313 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-06 20:08:48,313 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-06 20:08:48,313 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-06 20:08:48,313 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-06 20:08:48,314 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-06 20:08:48,314 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-06 20:08:48,314 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-06 20:08:48,314 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-06 20:08:48,314 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-06 20:08:48,314 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-06 20:08:48,315 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-06 20:08:48,315 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-06 20:08:48,315 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-06 20:08:48,315 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-06 20:08:48,315 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-06 20:08:48,316 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-06 20:08:48,317 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-06 20:08:48,317 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-06 20:08:48,317 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-06 20:08:48,318 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-06 20:08:48,318 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-06 20:08:48,599 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-06 20:08:48,621 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-06 20:08:48,624 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-06 20:08:48,626 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-06 20:08:48,626 INFO L275 PluginConnector]: CDTParser initialized [2019-11-06 20:08:48,627 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--tty--isicom.ko-entry_point.cil.out.i [2019-11-06 20:08:48,695 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8be82ec82/e3fdbaccb8be453dbd877129570f6ce7/FLAG1d4b1aee6 [2019-11-06 20:08:49,462 INFO L306 CDTParser]: Found 1 translation units. [2019-11-06 20:08:49,463 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--tty--isicom.ko-entry_point.cil.out.i [2019-11-06 20:08:49,508 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8be82ec82/e3fdbaccb8be453dbd877129570f6ce7/FLAG1d4b1aee6 [2019-11-06 20:08:50,013 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8be82ec82/e3fdbaccb8be453dbd877129570f6ce7 [2019-11-06 20:08:50,022 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-06 20:08:50,023 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-06 20:08:50,024 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-06 20:08:50,024 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-06 20:08:50,028 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-06 20:08:50,029 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 08:08:50" (1/1) ... [2019-11-06 20:08:50,031 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a1df810 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:08:50, skipping insertion in model container [2019-11-06 20:08:50,032 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 08:08:50" (1/1) ... [2019-11-06 20:08:50,039 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-06 20:08:50,174 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-06 20:08:50,771 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3591] [2019-11-06 20:08:50,775 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3592-3593] [2019-11-06 20:08:52,434 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 20:08:52,769 INFO L188 MainTranslator]: Completed pre-run [2019-11-06 20:08:52,854 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3591] [2019-11-06 20:08:52,854 WARN L1068 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3592-3593] [2019-11-06 20:08:53,071 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 20:08:53,455 INFO L192 MainTranslator]: Completed translation [2019-11-06 20:08:53,455 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:08:53 WrapperNode [2019-11-06 20:08:53,455 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-06 20:08:53,456 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-06 20:08:53,456 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-06 20:08:53,456 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-06 20:08:53,472 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:08:53" (1/1) ... [2019-11-06 20:08:53,472 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:08:53" (1/1) ... [2019-11-06 20:08:53,573 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:08:53" (1/1) ... [2019-11-06 20:08:53,576 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:08:53" (1/1) ... [2019-11-06 20:08:53,784 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:08:53" (1/1) ... [2019-11-06 20:08:53,809 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:08:53" (1/1) ... [2019-11-06 20:08:53,840 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:08:53" (1/1) ... [2019-11-06 20:08:53,883 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-06 20:08:53,883 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-06 20:08:53,883 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-06 20:08:53,884 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-06 20:08:53,884 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:08:53" (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 [2019-11-06 20:08:53,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-06 20:08:53,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-06 20:08:53,959 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-11-06 20:08:53,959 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2019-11-06 20:08:53,959 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-11-06 20:08:53,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_1 [2019-11-06 20:08:53,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_5 [2019-11-06 20:08:53,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_8 [2019-11-06 20:08:53,961 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2019-11-06 20:08:53,961 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2019-11-06 20:08:53,963 INFO L138 BoogieDeclarations]: Found implementation of procedure outsw [2019-11-06 20:08:53,963 INFO L138 BoogieDeclarations]: Found implementation of procedure insw [2019-11-06 20:08:53,964 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-11-06 20:08:53,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmalloc_12 [2019-11-06 20:08:53,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-06 20:08:53,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-11-06 20:08:53,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-11-06 20:08:53,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-11-06 20:08:53,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-11-06 20:08:53,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-11-06 20:08:53,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-11-06 20:08:53,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-11-06 20:08:53,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-11-06 20:08:53,971 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2019-11-06 20:08:53,971 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-11-06 20:08:53,971 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_tty_driver [2019-11-06 20:08:53,971 INFO L138 BoogieDeclarations]: Found implementation of procedure char_buf_ptr [2019-11-06 20:08:53,971 INFO L138 BoogieDeclarations]: Found implementation of procedure flag_buf_ptr [2019-11-06 20:08:53,971 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_cts_enabled [2019-11-06 20:08:53,971 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_char [2019-11-06 20:08:53,972 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2019-11-06 20:08:53,972 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-11-06 20:08:53,972 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-11-06 20:08:53,972 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2019-11-06 20:08:53,972 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2019-11-06 20:08:53,972 INFO L138 BoogieDeclarations]: Found implementation of procedure WaitTillCardIsFree [2019-11-06 20:08:53,972 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_card [2019-11-06 20:08:53,973 INFO L138 BoogieDeclarations]: Found implementation of procedure unlock_card [2019-11-06 20:08:53,973 INFO L138 BoogieDeclarations]: Found implementation of procedure raise_dtr [2019-11-06 20:08:53,973 INFO L138 BoogieDeclarations]: Found implementation of procedure drop_dtr [2019-11-06 20:08:53,973 INFO L138 BoogieDeclarations]: Found implementation of procedure raise_rts [2019-11-06 20:08:53,973 INFO L138 BoogieDeclarations]: Found implementation of procedure drop_rts [2019-11-06 20:08:53,973 INFO L138 BoogieDeclarations]: Found implementation of procedure isicom_dtr_rts [2019-11-06 20:08:53,973 INFO L138 BoogieDeclarations]: Found implementation of procedure drop_dtr_rts [2019-11-06 20:08:53,974 INFO L138 BoogieDeclarations]: Found implementation of procedure isicom_tx [2019-11-06 20:08:53,974 INFO L138 BoogieDeclarations]: Found implementation of procedure isicom_interrupt [2019-11-06 20:08:53,974 INFO L138 BoogieDeclarations]: Found implementation of procedure isicom_config_port [2019-11-06 20:08:53,974 INFO L138 BoogieDeclarations]: Found implementation of procedure isicom_setup_board [2019-11-06 20:08:53,974 INFO L138 BoogieDeclarations]: Found implementation of procedure isicom_activate [2019-11-06 20:08:53,974 INFO L138 BoogieDeclarations]: Found implementation of procedure isicom_carrier_raised [2019-11-06 20:08:53,974 INFO L138 BoogieDeclarations]: Found implementation of procedure isicom_find_port [2019-11-06 20:08:53,975 INFO L138 BoogieDeclarations]: Found implementation of procedure isicom_open [2019-11-06 20:08:53,975 INFO L138 BoogieDeclarations]: Found implementation of procedure isicom_shutdown_port [2019-11-06 20:08:53,975 INFO L138 BoogieDeclarations]: Found implementation of procedure isicom_flush_buffer [2019-11-06 20:08:53,975 INFO L138 BoogieDeclarations]: Found implementation of procedure isicom_shutdown [2019-11-06 20:08:53,975 INFO L138 BoogieDeclarations]: Found implementation of procedure isicom_close [2019-11-06 20:08:53,975 INFO L138 BoogieDeclarations]: Found implementation of procedure isicom_write [2019-11-06 20:08:53,975 INFO L138 BoogieDeclarations]: Found implementation of procedure isicom_put_char [2019-11-06 20:08:53,975 INFO L138 BoogieDeclarations]: Found implementation of procedure isicom_flush_chars [2019-11-06 20:08:53,976 INFO L138 BoogieDeclarations]: Found implementation of procedure isicom_write_room [2019-11-06 20:08:53,976 INFO L138 BoogieDeclarations]: Found implementation of procedure isicom_chars_in_buffer [2019-11-06 20:08:53,976 INFO L138 BoogieDeclarations]: Found implementation of procedure isicom_send_break [2019-11-06 20:08:53,976 INFO L138 BoogieDeclarations]: Found implementation of procedure isicom_tiocmget [2019-11-06 20:08:53,977 INFO L138 BoogieDeclarations]: Found implementation of procedure isicom_tiocmset [2019-11-06 20:08:53,977 INFO L138 BoogieDeclarations]: Found implementation of procedure isicom_set_serial_info [2019-11-06 20:08:53,977 INFO L138 BoogieDeclarations]: Found implementation of procedure isicom_get_serial_info [2019-11-06 20:08:53,977 INFO L138 BoogieDeclarations]: Found implementation of procedure isicom_ioctl [2019-11-06 20:08:53,977 INFO L138 BoogieDeclarations]: Found implementation of procedure isicom_set_termios [2019-11-06 20:08:53,978 INFO L138 BoogieDeclarations]: Found implementation of procedure isicom_throttle [2019-11-06 20:08:53,978 INFO L138 BoogieDeclarations]: Found implementation of procedure isicom_unthrottle [2019-11-06 20:08:53,979 INFO L138 BoogieDeclarations]: Found implementation of procedure isicom_stop [2019-11-06 20:08:53,979 INFO L138 BoogieDeclarations]: Found implementation of procedure isicom_start [2019-11-06 20:08:53,979 INFO L138 BoogieDeclarations]: Found implementation of procedure isicom_hangup [2019-11-06 20:08:53,979 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_card [2019-11-06 20:08:53,979 INFO L138 BoogieDeclarations]: Found implementation of procedure load_firmware [2019-11-06 20:08:53,979 INFO L138 BoogieDeclarations]: Found implementation of procedure isicom_probe [2019-11-06 20:08:53,980 INFO L138 BoogieDeclarations]: Found implementation of procedure isicom_remove [2019-11-06 20:08:53,980 INFO L138 BoogieDeclarations]: Found implementation of procedure isicom_init [2019-11-06 20:08:53,981 INFO L138 BoogieDeclarations]: Found implementation of procedure isicom_exit [2019-11-06 20:08:53,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_tty_operations_3 [2019-11-06 20:08:53,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_pci_driver_5 [2019-11-06 20:08:53,981 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2019-11-06 20:08:53,981 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2019-11-06 20:08:53,982 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2019-11-06 20:08:53,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2019-11-06 20:08:53,982 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_1 [2019-11-06 20:08:53,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_tty_port_operations_2 [2019-11-06 20:08:53,983 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-06 20:08:53,983 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-11-06 20:08:53,983 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-11-06 20:08:53,984 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-11-06 20:08:53,984 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-11-06 20:08:53,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmem_cache_alloc_16 [2019-11-06 20:08:53,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_20 [2019-11-06 20:08:53,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_21 [2019-11-06 20:08:53,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_22 [2019-11-06 20:08:53,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2019-11-06 20:08:53,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2019-11-06 20:08:53,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2019-11-06 20:08:53,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2019-11-06 20:08:53,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2019-11-06 20:08:53,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2019-11-06 20:08:53,985 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2019-11-06 20:08:53,985 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user_overflow [2019-11-06 20:08:53,985 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user_overflow [2019-11-06 20:08:53,986 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2019-11-06 20:08:53,986 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2019-11-06 20:08:53,986 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_register_driver [2019-11-06 20:08:53,986 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-11-06 20:08:53,986 INFO L138 BoogieDeclarations]: Found implementation of procedure __tty_alloc_driver [2019-11-06 20:08:53,986 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2019-11-06 20:08:53,986 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2019-11-06 20:08:53,987 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2019-11-06 20:08:53,987 INFO L138 BoogieDeclarations]: Found implementation of procedure _dev_info [2019-11-06 20:08:53,987 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-11-06 20:08:53,987 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-11-06 20:08:53,988 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-11-06 20:08:53,988 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2019-11-06 20:08:53,988 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2019-11-06 20:08:53,988 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2019-11-06 20:08:53,989 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_warn [2019-11-06 20:08:53,989 INFO L138 BoogieDeclarations]: Found implementation of procedure do_SAK [2019-11-06 20:08:53,989 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2019-11-06 20:08:53,989 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_alloc [2019-11-06 20:08:53,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-11-06 20:08:53,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_destruct_2 [2019-11-06 20:08:53,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_3 [2019-11-06 20:08:53,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-11-06 20:08:53,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_3 [2019-11-06 20:08:53,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_setup_3 [2019-11-06 20:08:53,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2019-11-06 20:08:53,991 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2019-11-06 20:08:53,991 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2019-11-06 20:08:53,991 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2019-11-06 20:08:53,991 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2019-11-06 20:08:53,992 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2019-11-06 20:08:53,995 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-11-06 20:08:53,995 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2019-11-06 20:08:53,996 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2019-11-06 20:08:53,996 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_region [2019-11-06 20:08:54,002 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_request_region [2019-11-06 20:08:54,002 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2019-11-06 20:08:54,002 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-11-06 20:08:54,003 INFO L138 BoogieDeclarations]: Found implementation of procedure put_tty_driver [2019-11-06 20:08:54,003 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2019-11-06 20:08:54,003 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2019-11-06 20:08:54,003 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2019-11-06 20:08:54,003 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_flip_buffer_push [2019-11-06 20:08:54,003 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_hangup [2019-11-06 20:08:54,003 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_string_flags [2019-11-06 20:08:54,003 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_kref_put [2019-11-06 20:08:54,003 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_alloc_xmit_buf [2019-11-06 20:08:54,004 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_close [2019-11-06 20:08:54,004 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_destroy [2019-11-06 20:08:54,004 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_free_xmit_buf [2019-11-06 20:08:54,004 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_hangup [2019-11-06 20:08:54,004 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_init [2019-11-06 20:08:54,004 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_open [2019-11-06 20:08:54,004 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_register_device [2019-11-06 20:08:54,004 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_get [2019-11-06 20:08:54,005 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_prepare_flip_string [2019-11-06 20:08:54,005 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_register_driver [2019-11-06 20:08:54,005 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_set_operations [2019-11-06 20:08:54,005 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_device [2019-11-06 20:08:54,005 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_driver [2019-11-06 20:08:54,006 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_wakeup [2019-11-06 20:08:54,006 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-11-06 20:08:54,006 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-11-06 20:08:54,006 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-06 20:08:54,006 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-11-06 20:08:54,006 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-06 20:08:54,006 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-06 20:08:54,007 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-11-06 20:08:54,007 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2019-11-06 20:08:54,007 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2019-11-06 20:08:54,007 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-11-06 20:08:54,007 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2019-11-06 20:08:54,007 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2019-11-06 20:08:54,007 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2019-11-06 20:08:54,007 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-11-06 20:08:54,008 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-06 20:08:54,009 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-11-06 20:08:54,009 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2019-11-06 20:08:54,009 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-11-06 20:08:54,009 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-11-06 20:08:54,009 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-11-06 20:08:54,009 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-11-06 20:08:54,009 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-11-06 20:08:54,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_1 [2019-11-06 20:08:54,010 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-11-06 20:08:54,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_5 [2019-11-06 20:08:54,010 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-11-06 20:08:54,010 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_8 [2019-11-06 20:08:54,010 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-11-06 20:08:54,010 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2019-11-06 20:08:54,010 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2019-11-06 20:08:54,010 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-11-06 20:08:54,011 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2019-11-06 20:08:54,011 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2019-11-06 20:08:54,011 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2019-11-06 20:08:54,011 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2019-11-06 20:08:54,011 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2019-11-06 20:08:54,011 INFO L130 BoogieDeclarations]: Found specification of procedure outsw [2019-11-06 20:08:54,011 INFO L130 BoogieDeclarations]: Found specification of procedure insw [2019-11-06 20:08:54,013 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-06 20:08:54,013 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-06 20:08:54,013 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-11-06 20:08:54,013 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc [2019-11-06 20:08:54,013 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmem_cache_alloc_16 [2019-11-06 20:08:54,014 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmalloc_12 [2019-11-06 20:08:54,014 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-11-06 20:08:54,014 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2019-11-06 20:08:54,014 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-06 20:08:54,014 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-06 20:08:54,014 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-06 20:08:54,014 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-11-06 20:08:54,014 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-11-06 20:08:54,015 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-11-06 20:08:54,015 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-06 20:08:54,015 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-11-06 20:08:54,015 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-06 20:08:54,015 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-11-06 20:08:54,015 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-11-06 20:08:54,015 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-11-06 20:08:54,015 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-11-06 20:08:54,015 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-11-06 20:08:54,016 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-11-06 20:08:54,016 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-11-06 20:08:54,016 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-11-06 20:08:54,016 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_tty_operations_3 [2019-11-06 20:08:54,016 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_pci_driver_5 [2019-11-06 20:08:54,016 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2019-11-06 20:08:54,016 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2019-11-06 20:08:54,016 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2019-11-06 20:08:54,017 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2019-11-06 20:08:54,017 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_1 [2019-11-06 20:08:54,017 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_tty_port_operations_2 [2019-11-06 20:08:54,017 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2019-11-06 20:08:54,017 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2019-11-06 20:08:54,017 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2019-11-06 20:08:54,017 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2019-11-06 20:08:54,017 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2019-11-06 20:08:54,018 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user_overflow [2019-11-06 20:08:54,018 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user_overflow [2019-11-06 20:08:54,018 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2019-11-06 20:08:54,018 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-11-06 20:08:54,018 INFO L130 BoogieDeclarations]: Found specification of procedure __tty_alloc_driver [2019-11-06 20:08:54,018 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2019-11-06 20:08:54,018 INFO L130 BoogieDeclarations]: Found specification of procedure tty_set_operations [2019-11-06 20:08:54,018 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_tty_driver [2019-11-06 20:08:54,019 INFO L130 BoogieDeclarations]: Found specification of procedure char_buf_ptr [2019-11-06 20:08:54,019 INFO L130 BoogieDeclarations]: Found specification of procedure flag_buf_ptr [2019-11-06 20:08:54,019 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-06 20:08:54,019 INFO L130 BoogieDeclarations]: Found specification of procedure tty_kref_put [2019-11-06 20:08:54,019 INFO L130 BoogieDeclarations]: Found specification of procedure tty_register_driver [2019-11-06 20:08:54,019 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_driver [2019-11-06 20:08:54,019 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_device [2019-11-06 20:08:54,019 INFO L130 BoogieDeclarations]: Found specification of procedure tty_hangup [2019-11-06 20:08:54,020 INFO L130 BoogieDeclarations]: Found specification of procedure do_SAK [2019-11-06 20:08:54,020 INFO L130 BoogieDeclarations]: Found specification of procedure tty_wakeup [2019-11-06 20:08:54,020 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_init [2019-11-06 20:08:54,020 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_register_device [2019-11-06 20:08:54,021 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_alloc_xmit_buf [2019-11-06 20:08:54,026 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_free_xmit_buf [2019-11-06 20:08:54,026 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_destroy [2019-11-06 20:08:54,027 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_cts_enabled [2019-11-06 20:08:54,027 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_get [2019-11-06 20:08:54,027 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_hangup [2019-11-06 20:08:54,029 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_close [2019-11-06 20:08:54,030 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_open [2019-11-06 20:08:54,030 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_string_flags [2019-11-06 20:08:54,030 INFO L130 BoogieDeclarations]: Found specification of procedure tty_prepare_flip_string [2019-11-06 20:08:54,030 INFO L130 BoogieDeclarations]: Found specification of procedure tty_flip_buffer_push [2019-11-06 20:08:54,030 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_char [2019-11-06 20:08:54,030 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-06 20:08:54,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-06 20:08:54,031 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-06 20:08:54,031 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-06 20:08:54,031 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2019-11-06 20:08:54,031 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2019-11-06 20:08:54,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_20 [2019-11-06 20:08:54,031 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2019-11-06 20:08:54,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_21 [2019-11-06 20:08:54,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_22 [2019-11-06 20:08:54,031 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2019-11-06 20:08:54,032 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2019-11-06 20:08:54,032 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-11-06 20:08:54,032 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-11-06 20:08:54,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-06 20:08:54,032 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2019-11-06 20:08:54,032 INFO L130 BoogieDeclarations]: Found specification of procedure dev_warn [2019-11-06 20:08:54,032 INFO L130 BoogieDeclarations]: Found specification of procedure _dev_info [2019-11-06 20:08:54,032 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2019-11-06 20:08:54,032 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2019-11-06 20:08:54,033 INFO L130 BoogieDeclarations]: Found specification of procedure pci_request_region [2019-11-06 20:08:54,033 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_region [2019-11-06 20:08:54,033 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_register_driver [2019-11-06 20:08:54,033 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2019-11-06 20:08:54,033 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2019-11-06 20:08:54,033 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2019-11-06 20:08:54,033 INFO L130 BoogieDeclarations]: Found specification of procedure isicom_probe [2019-11-06 20:08:54,033 INFO L130 BoogieDeclarations]: Found specification of procedure isicom_remove [2019-11-06 20:08:54,033 INFO L130 BoogieDeclarations]: Found specification of procedure isicom_tx [2019-11-06 20:08:54,034 INFO L130 BoogieDeclarations]: Found specification of procedure isicom_start [2019-11-06 20:08:54,034 INFO L130 BoogieDeclarations]: Found specification of procedure WaitTillCardIsFree [2019-11-06 20:08:54,034 INFO L130 BoogieDeclarations]: Found specification of procedure lock_card [2019-11-06 20:08:54,034 INFO L130 BoogieDeclarations]: Found specification of procedure unlock_card [2019-11-06 20:08:54,034 INFO L130 BoogieDeclarations]: Found specification of procedure raise_dtr [2019-11-06 20:08:54,034 INFO L130 BoogieDeclarations]: Found specification of procedure drop_dtr [2019-11-06 20:08:54,034 INFO L130 BoogieDeclarations]: Found specification of procedure raise_rts [2019-11-06 20:08:54,034 INFO L130 BoogieDeclarations]: Found specification of procedure drop_rts [2019-11-06 20:08:54,034 INFO L130 BoogieDeclarations]: Found specification of procedure isicom_dtr_rts [2019-11-06 20:08:54,035 INFO L130 BoogieDeclarations]: Found specification of procedure drop_dtr_rts [2019-11-06 20:08:54,035 INFO L130 BoogieDeclarations]: Found specification of procedure isicom_interrupt [2019-11-06 20:08:54,035 INFO L130 BoogieDeclarations]: Found specification of procedure isicom_config_port [2019-11-06 20:08:54,035 INFO L130 BoogieDeclarations]: Found specification of procedure isicom_setup_board [2019-11-06 20:08:54,035 INFO L130 BoogieDeclarations]: Found specification of procedure isicom_activate [2019-11-06 20:08:54,035 INFO L130 BoogieDeclarations]: Found specification of procedure isicom_carrier_raised [2019-11-06 20:08:54,035 INFO L130 BoogieDeclarations]: Found specification of procedure isicom_find_port [2019-11-06 20:08:54,035 INFO L130 BoogieDeclarations]: Found specification of procedure isicom_open [2019-11-06 20:08:54,035 INFO L130 BoogieDeclarations]: Found specification of procedure isicom_shutdown_port [2019-11-06 20:08:54,036 INFO L130 BoogieDeclarations]: Found specification of procedure isicom_flush_buffer [2019-11-06 20:08:54,036 INFO L130 BoogieDeclarations]: Found specification of procedure isicom_shutdown [2019-11-06 20:08:54,036 INFO L130 BoogieDeclarations]: Found specification of procedure isicom_close [2019-11-06 20:08:54,036 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-06 20:08:54,036 INFO L130 BoogieDeclarations]: Found specification of procedure isicom_write [2019-11-06 20:08:54,036 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-06 20:08:54,036 INFO L130 BoogieDeclarations]: Found specification of procedure isicom_put_char [2019-11-06 20:08:54,036 INFO L130 BoogieDeclarations]: Found specification of procedure isicom_flush_chars [2019-11-06 20:08:54,036 INFO L130 BoogieDeclarations]: Found specification of procedure isicom_write_room [2019-11-06 20:08:54,037 INFO L130 BoogieDeclarations]: Found specification of procedure isicom_chars_in_buffer [2019-11-06 20:08:54,037 INFO L130 BoogieDeclarations]: Found specification of procedure isicom_send_break [2019-11-06 20:08:54,037 INFO L130 BoogieDeclarations]: Found specification of procedure isicom_tiocmget [2019-11-06 20:08:54,037 INFO L130 BoogieDeclarations]: Found specification of procedure isicom_tiocmset [2019-11-06 20:08:54,037 INFO L130 BoogieDeclarations]: Found specification of procedure isicom_set_serial_info [2019-11-06 20:08:54,037 INFO L130 BoogieDeclarations]: Found specification of procedure isicom_get_serial_info [2019-11-06 20:08:54,037 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-06 20:08:54,037 INFO L130 BoogieDeclarations]: Found specification of procedure isicom_ioctl [2019-11-06 20:08:54,037 INFO L130 BoogieDeclarations]: Found specification of procedure isicom_set_termios [2019-11-06 20:08:54,038 INFO L130 BoogieDeclarations]: Found specification of procedure isicom_throttle [2019-11-06 20:08:54,038 INFO L130 BoogieDeclarations]: Found specification of procedure isicom_unthrottle [2019-11-06 20:08:54,038 INFO L130 BoogieDeclarations]: Found specification of procedure isicom_stop [2019-11-06 20:08:54,038 INFO L130 BoogieDeclarations]: Found specification of procedure isicom_hangup [2019-11-06 20:08:54,038 INFO L130 BoogieDeclarations]: Found specification of procedure reset_card [2019-11-06 20:08:54,038 INFO L130 BoogieDeclarations]: Found specification of procedure load_firmware [2019-11-06 20:08:54,038 INFO L130 BoogieDeclarations]: Found specification of procedure isicom_init [2019-11-06 20:08:54,038 INFO L130 BoogieDeclarations]: Found specification of procedure isicom_exit [2019-11-06 20:08:54,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_setup_3 [2019-11-06 20:08:54,038 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_destruct_2 [2019-11-06 20:08:54,039 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_3 [2019-11-06 20:08:54,039 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-11-06 20:08:54,039 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-11-06 20:08:54,039 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_3 [2019-11-06 20:08:54,039 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-06 20:08:54,039 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2019-11-06 20:08:54,039 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2019-11-06 20:08:54,039 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2019-11-06 20:08:54,039 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2019-11-06 20:08:54,040 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-11-06 20:08:54,040 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-11-06 20:08:54,040 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-06 20:08:54,040 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-06 20:08:54,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-06 20:08:54,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-06 20:08:54,040 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-06 20:08:54,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-11-06 20:08:54,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-11-06 20:08:54,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-06 20:08:54,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-06 20:08:55,528 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-11-06 20:09:04,937 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-06 20:09:04,937 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-11-06 20:09:04,939 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 08:09:04 BoogieIcfgContainer [2019-11-06 20:09:04,940 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-06 20:09:04,941 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-06 20:09:04,941 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-06 20:09:04,944 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-06 20:09:04,944 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 08:08:50" (1/3) ... [2019-11-06 20:09:04,945 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@678e76af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 08:09:04, skipping insertion in model container [2019-11-06 20:09:04,946 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 08:08:53" (2/3) ... [2019-11-06 20:09:04,946 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@678e76af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 08:09:04, skipping insertion in model container [2019-11-06 20:09:04,946 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 08:09:04" (3/3) ... [2019-11-06 20:09:04,948 INFO L109 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--tty--isicom.ko-entry_point.cil.out.i [2019-11-06 20:09:04,959 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-06 20:09:04,971 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-06 20:09:04,983 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-06 20:09:05,022 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-06 20:09:05,023 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-06 20:09:05,023 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-06 20:09:05,023 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-06 20:09:05,023 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-06 20:09:05,023 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-06 20:09:05,023 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-06 20:09:05,023 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-06 20:09:05,083 INFO L276 IsEmpty]: Start isEmpty. Operand 1655 states. [2019-11-06 20:09:05,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2019-11-06 20:09:05,130 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 20:09:05,132 INFO L410 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 20:09:05,134 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 20:09:05,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 20:09:05,141 INFO L82 PathProgramCache]: Analyzing trace with hash 1462961558, now seen corresponding path program 1 times [2019-11-06 20:09:05,149 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 20:09:05,149 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446979273] [2019-11-06 20:09:05,149 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 20:09:05,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:09:09,360 WARN L191 SmtUtils]: Spent 3.28 s on a formula simplification that was a NOOP. DAG size: 772 [2019-11-06 20:09:09,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:09:09,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:09:09,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:09:09,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:09:09,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:09:09,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:09:09,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:09:09,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:09:09,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:09:09,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:09:09,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:09:09,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:09:09,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:09:09,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:09:09,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:09:09,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:09:09,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:09:09,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:09:09,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:09:09,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:09:09,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:09:09,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:09:09,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:09:09,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:09:09,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:09:09,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:09:09,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:09:09,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:09:09,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:09:09,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:09:09,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:09:09,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:09:09,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:09:09,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:09:09,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:09:09,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:09:09,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:09:09,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:09:09,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:09:09,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:09:09,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:09:09,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:09:10,209 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2019-11-06 20:09:10,209 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446979273] [2019-11-06 20:09:10,210 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [906876087] [2019-11-06 20:09:10,211 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 20:09:11,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:09:11,362 INFO L256 TraceCheckSpWp]: Trace formula consists of 4020 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-06 20:09:11,386 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-06 20:09:11,483 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2019-11-06 20:09:11,484 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-06 20:09:11,485 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 9 [2019-11-06 20:09:11,486 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324148500] [2019-11-06 20:09:11,492 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-06 20:09:11,493 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 20:09:11,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-06 20:09:11,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-11-06 20:09:11,510 INFO L87 Difference]: Start difference. First operand 1655 states. Second operand 3 states. [2019-11-06 20:09:11,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 20:09:11,744 INFO L93 Difference]: Finished difference Result 3246 states and 4553 transitions. [2019-11-06 20:09:11,745 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-06 20:09:11,746 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 256 [2019-11-06 20:09:11,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 20:09:11,779 INFO L225 Difference]: With dead ends: 3246 [2019-11-06 20:09:11,779 INFO L226 Difference]: Without dead ends: 1597 [2019-11-06 20:09:11,794 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 344 GetRequests, 337 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-11-06 20:09:11,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1597 states. [2019-11-06 20:09:11,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1597 to 1596. [2019-11-06 20:09:11,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1596 states. [2019-11-06 20:09:12,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1596 states to 1596 states and 2210 transitions. [2019-11-06 20:09:12,005 INFO L78 Accepts]: Start accepts. Automaton has 1596 states and 2210 transitions. Word has length 256 [2019-11-06 20:09:12,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 20:09:12,018 INFO L462 AbstractCegarLoop]: Abstraction has 1596 states and 2210 transitions. [2019-11-06 20:09:12,018 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-06 20:09:12,018 INFO L276 IsEmpty]: Start isEmpty. Operand 1596 states and 2210 transitions. [2019-11-06 20:09:12,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2019-11-06 20:09:12,040 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 20:09:12,041 INFO L410 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 20:09:12,263 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-06 20:09:12,264 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 20:09:12,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 20:09:12,265 INFO L82 PathProgramCache]: Analyzing trace with hash 1437110304, now seen corresponding path program 1 times [2019-11-06 20:09:12,265 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 20:09:12,265 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919653065] [2019-11-06 20:09:12,266 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 20:09:12,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:09:16,018 WARN L191 SmtUtils]: Spent 3.45 s on a formula simplification that was a NOOP. DAG size: 772 [2019-11-06 20:09:16,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:09:16,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:09:16,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:09:16,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:09:16,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:09:16,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:09:16,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:09:16,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:09:16,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:09:16,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:09:16,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:09:16,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:09:16,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:09:16,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:09:16,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:09:16,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:09:16,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:09:16,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:09:16,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:09:16,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:09:16,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:09:16,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:09:16,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:09:16,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:09:16,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:09:16,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:09:16,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:09:16,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:09:16,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:09:16,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:09:16,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:09:16,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:09:16,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:09:16,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:09:16,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:09:16,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:09:16,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:09:16,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:09:16,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:09:16,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:09:16,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:09:16,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 20:09:16,648 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2019-11-06 20:09:16,648 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919653065] [2019-11-06 20:09:16,648 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 20:09:16,649 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-06 20:09:16,649 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78461301] [2019-11-06 20:09:16,653 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-06 20:09:16,654 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 20:09:16,654 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-06 20:09:16,654 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-11-06 20:09:16,655 INFO L87 Difference]: Start difference. First operand 1596 states and 2210 transitions. Second operand 8 states.