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-43_2a-drivers--tty--n_r3964.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-14 23:07:17,932 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 23:07:17,935 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 23:07:17,949 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 23:07:17,949 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 23:07:17,950 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 23:07:17,952 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 23:07:17,954 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 23:07:17,963 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 23:07:17,964 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 23:07:17,967 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 23:07:17,969 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 23:07:17,970 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 23:07:17,974 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 23:07:17,977 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 23:07:17,979 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 23:07:17,981 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 23:07:17,984 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 23:07:17,986 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 23:07:17,992 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 23:07:17,998 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 23:07:18,001 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 23:07:18,005 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 23:07:18,006 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 23:07:18,008 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-14 23:07:18,008 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-14 23:07:18,008 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-14 23:07:18,010 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-14 23:07:18,012 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-14 23:07:18,013 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-14 23:07:18,013 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 23:07:18,014 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 23:07:18,015 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 23:07:18,016 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 23:07:18,017 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 23:07:18,018 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 23:07:18,018 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 23:07:18,019 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 23:07:18,019 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 23:07:18,020 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 23:07:18,021 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 23:07:18,022 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 [2019-10-14 23:07:18,059 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 23:07:18,059 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 23:07:18,064 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 23:07:18,064 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 23:07:18,064 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 23:07:18,064 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 23:07:18,065 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 23:07:18,065 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 23:07:18,065 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 23:07:18,065 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 23:07:18,065 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 23:07:18,066 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 23:07:18,066 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 23:07:18,066 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 23:07:18,066 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 23:07:18,066 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 23:07:18,067 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 23:07:18,067 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 23:07:18,067 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 23:07:18,067 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 23:07:18,068 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 23:07:18,068 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 23:07:18,068 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 23:07:18,068 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 23:07:18,068 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 23:07:18,069 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 23:07:18,069 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 23:07:18,069 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 23:07:18,069 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-14 23:07:18,456 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 23:07:18,470 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 23:07:18,473 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 23:07:18,475 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 23:07:18,476 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 23:07:18,477 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--tty--n_r3964.ko-entry_point.cil.out.i [2019-10-14 23:07:18,557 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86ee19a02/c2bfcdcbcc6d4c5fb13d03acfe730b7d/FLAGcca510f3a [2019-10-14 23:07:19,415 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 23:07:19,415 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--tty--n_r3964.ko-entry_point.cil.out.i [2019-10-14 23:07:19,458 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86ee19a02/c2bfcdcbcc6d4c5fb13d03acfe730b7d/FLAGcca510f3a [2019-10-14 23:07:19,925 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86ee19a02/c2bfcdcbcc6d4c5fb13d03acfe730b7d [2019-10-14 23:07:19,936 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 23:07:19,938 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 23:07:19,940 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 23:07:19,941 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 23:07:19,944 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 23:07:19,945 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:07:19" (1/1) ... [2019-10-14 23:07:19,948 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@459c0ee4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:07:19, skipping insertion in model container [2019-10-14 23:07:19,949 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:07:19" (1/1) ... [2019-10-14 23:07:19,956 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 23:07:20,070 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 23:07:21,571 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:07:21,594 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 23:07:21,846 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:07:22,088 INFO L192 MainTranslator]: Completed translation [2019-10-14 23:07:22,089 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:07:22 WrapperNode [2019-10-14 23:07:22,089 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 23:07:22,090 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 23:07:22,091 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 23:07:22,091 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 23:07:22,109 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:07:22" (1/1) ... [2019-10-14 23:07:22,109 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:07:22" (1/1) ... [2019-10-14 23:07:22,191 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:07:22" (1/1) ... [2019-10-14 23:07:22,192 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:07:22" (1/1) ... [2019-10-14 23:07:22,289 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:07:22" (1/1) ... [2019-10-14 23:07:22,306 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:07:22" (1/1) ... [2019-10-14 23:07:22,335 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:07:22" (1/1) ... [2019-10-14 23:07:22,379 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 23:07:22,379 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 23:07:22,379 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 23:07:22,380 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 23:07:22,383 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:07:22" (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 [2019-10-14 23:07:22,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 23:07:22,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 23:07:22,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2019-10-14 23:07:22,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-10-14 23:07:22,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-14 23:07:22,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-14 23:07:22,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-10-14 23:07:22,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-10-14 23:07:22,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-14 23:07:22,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-14 23:07:22,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-14 23:07:22,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-14 23:07:22,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-14 23:07:22,489 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-10-14 23:07:22,491 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2019-10-14 23:07:22,492 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2019-10-14 23:07:22,496 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-14 23:07:22,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_12 [2019-10-14 23:07:22,496 INFO L138 BoogieDeclarations]: Found implementation of procedure get_pid [2019-10-14 23:07:22,497 INFO L138 BoogieDeclarations]: Found implementation of procedure task_pid [2019-10-14 23:07:22,497 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-10-14 23:07:22,497 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_wait [2019-10-14 23:07:22,498 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_block [2019-10-14 23:07:22,498 INFO L138 BoogieDeclarations]: Found implementation of procedure r3964_exit [2019-10-14 23:07:22,498 INFO L138 BoogieDeclarations]: Found implementation of procedure r3964_init [2019-10-14 23:07:22,498 INFO L138 BoogieDeclarations]: Found implementation of procedure add_tx_queue [2019-10-14 23:07:22,499 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_from_tx_queue [2019-10-14 23:07:22,499 INFO L138 BoogieDeclarations]: Found implementation of procedure add_rx_queue [2019-10-14 23:07:22,499 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_from_rx_queue [2019-10-14 23:07:22,499 INFO L138 BoogieDeclarations]: Found implementation of procedure put_char [2019-10-14 23:07:22,499 INFO L138 BoogieDeclarations]: Found implementation of procedure flush [2019-10-14 23:07:22,500 INFO L138 BoogieDeclarations]: Found implementation of procedure trigger_transmit [2019-10-14 23:07:22,500 INFO L138 BoogieDeclarations]: Found implementation of procedure retry_transmit [2019-10-14 23:07:22,500 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit_block [2019-10-14 23:07:22,500 INFO L138 BoogieDeclarations]: Found implementation of procedure on_receive_block [2019-10-14 23:07:22,501 INFO L138 BoogieDeclarations]: Found implementation of procedure receive_char [2019-10-14 23:07:22,501 INFO L138 BoogieDeclarations]: Found implementation of procedure receive_error [2019-10-14 23:07:22,501 INFO L138 BoogieDeclarations]: Found implementation of procedure on_timeout [2019-10-14 23:07:22,501 INFO L138 BoogieDeclarations]: Found implementation of procedure findClient [2019-10-14 23:07:22,502 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_signals [2019-10-14 23:07:22,502 INFO L138 BoogieDeclarations]: Found implementation of procedure read_telegram [2019-10-14 23:07:22,502 INFO L138 BoogieDeclarations]: Found implementation of procedure add_msg [2019-10-14 23:07:22,502 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_msg [2019-10-14 23:07:22,503 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_client_block [2019-10-14 23:07:22,503 INFO L138 BoogieDeclarations]: Found implementation of procedure r3964_open [2019-10-14 23:07:22,503 INFO L138 BoogieDeclarations]: Found implementation of procedure r3964_close [2019-10-14 23:07:22,503 INFO L138 BoogieDeclarations]: Found implementation of procedure r3964_read [2019-10-14 23:07:22,503 INFO L138 BoogieDeclarations]: Found implementation of procedure r3964_write [2019-10-14 23:07:22,504 INFO L138 BoogieDeclarations]: Found implementation of procedure r3964_ioctl [2019-10-14 23:07:22,504 INFO L138 BoogieDeclarations]: Found implementation of procedure r3964_set_termios [2019-10-14 23:07:22,504 INFO L138 BoogieDeclarations]: Found implementation of procedure r3964_poll [2019-10-14 23:07:22,504 INFO L138 BoogieDeclarations]: Found implementation of procedure r3964_receive_buf [2019-10-14 23:07:22,505 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_1 [2019-10-14 23:07:22,505 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_init_1 [2019-10-14 23:07:22,505 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2019-10-14 23:07:22,505 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_1 [2019-10-14 23:07:22,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_target_type_2 [2019-10-14 23:07:22,506 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2019-10-14 23:07:22,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2019-10-14 23:07:22,507 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2019-10-14 23:07:22,507 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 23:07:22,507 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-10-14 23:07:22,508 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-14 23:07:22,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmem_cache_alloc_20 [2019-10-14 23:07:22,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_23 [2019-10-14 23:07:22,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_24 [2019-10-14 23:07:22,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_25 [2019-10-14 23:07:22,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_26 [2019-10-14 23:07:22,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_27 [2019-10-14 23:07:22,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_28 [2019-10-14 23:07:22,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_29 [2019-10-14 23:07:22,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_30 [2019-10-14 23:07:22,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_31 [2019-10-14 23:07:22,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_32 [2019-10-14 23:07:22,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_33 [2019-10-14 23:07:22,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-14 23:07:22,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-14 23:07:22,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-14 23:07:22,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-14 23:07:22,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-14 23:07:22,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2019-10-14 23:07:22,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2019-10-14 23:07:22,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2019-10-14 23:07:22,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2019-10-14 23:07:22,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2019-10-14 23:07:22,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2019-10-14 23:07:22,517 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user_overflow [2019-10-14 23:07:22,519 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-10-14 23:07:22,521 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2019-10-14 23:07:22,521 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-14 23:07:22,522 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2019-10-14 23:07:22,523 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2019-10-14 23:07:22,523 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-10-14 23:07:22,524 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2019-10-14 23:07:22,524 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2019-10-14 23:07:22,524 INFO L138 BoogieDeclarations]: Found implementation of procedure kill_pid [2019-10-14 23:07:22,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-14 23:07:22,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-14 23:07:22,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2019-10-14 23:07:22,525 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2019-10-14 23:07:22,526 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2019-10-14 23:07:22,526 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-14 23:07:22,526 INFO L138 BoogieDeclarations]: Found implementation of procedure put_pid [2019-10-14 23:07:22,526 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2019-10-14 23:07:22,526 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_lock [2019-10-14 23:07:22,527 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_put_char [2019-10-14 23:07:22,527 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_register_ldisc [2019-10-14 23:07:22,527 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unlock [2019-10-14 23:07:22,527 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_ldisc [2019-10-14 23:07:22,528 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_write_room [2019-10-14 23:07:22,528 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-14 23:07:22,528 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-14 23:07:22,528 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-14 23:07:22,530 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-14 23:07:22,530 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-14 23:07:22,530 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 23:07:22,530 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-14 23:07:22,531 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-14 23:07:22,531 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2019-10-14 23:07:22,531 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-10-14 23:07:22,533 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2019-10-14 23:07:22,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2019-10-14 23:07:22,534 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-14 23:07:22,534 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-14 23:07:22,536 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-14 23:07:22,536 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 23:07:22,536 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-14 23:07:22,536 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-14 23:07:22,538 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-14 23:07:22,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-14 23:07:22,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-14 23:07:22,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-14 23:07:22,543 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-14 23:07:22,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-10-14 23:07:22,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-10-14 23:07:22,544 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-14 23:07:22,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-14 23:07:22,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-14 23:07:22,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-14 23:07:22,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-14 23:07:22,549 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-10-14 23:07:22,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-14 23:07:22,550 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-10-14 23:07:22,551 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2019-10-14 23:07:22,552 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-14 23:07:22,552 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2019-10-14 23:07:22,553 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-14 23:07:22,553 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-10-14 23:07:22,553 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-14 23:07:22,553 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_12 [2019-10-14 23:07:22,553 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-10-14 23:07:22,554 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-10-14 23:07:22,554 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2019-10-14 23:07:22,561 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2019-10-14 23:07:22,562 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2019-10-14 23:07:22,562 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2019-10-14 23:07:22,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_23 [2019-10-14 23:07:22,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_24 [2019-10-14 23:07:22,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_25 [2019-10-14 23:07:22,563 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_26 [2019-10-14 23:07:22,563 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_28 [2019-10-14 23:07:22,565 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_29 [2019-10-14 23:07:22,565 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_30 [2019-10-14 23:07:22,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_31 [2019-10-14 23:07:22,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_32 [2019-10-14 23:07:22,566 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2019-10-14 23:07:22,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_27 [2019-10-14 23:07:22,567 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_33 [2019-10-14 23:07:22,567 INFO L130 BoogieDeclarations]: Found specification of procedure get_pid [2019-10-14 23:07:22,567 INFO L130 BoogieDeclarations]: Found specification of procedure put_pid [2019-10-14 23:07:22,567 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2019-10-14 23:07:22,568 INFO L130 BoogieDeclarations]: Found specification of procedure task_pid [2019-10-14 23:07:22,568 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-14 23:07:22,568 INFO L130 BoogieDeclarations]: Found specification of procedure kill_pid [2019-10-14 23:07:22,568 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-14 23:07:22,568 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmem_cache_alloc_20 [2019-10-14 23:07:22,569 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-14 23:07:22,569 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2019-10-14 23:07:22,569 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_1 [2019-10-14 23:07:22,569 INFO L130 BoogieDeclarations]: Found specification of procedure timer_init_1 [2019-10-14 23:07:22,570 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2019-10-14 23:07:22,570 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_1 [2019-10-14 23:07:22,570 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_target_type_2 [2019-10-14 23:07:22,570 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2019-10-14 23:07:22,570 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2019-10-14 23:07:22,571 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2019-10-14 23:07:22,571 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2019-10-14 23:07:22,571 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user_overflow [2019-10-14 23:07:22,571 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-10-14 23:07:22,571 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-14 23:07:22,572 INFO L130 BoogieDeclarations]: Found specification of procedure tty_put_char [2019-10-14 23:07:22,572 INFO L130 BoogieDeclarations]: Found specification of procedure tty_write_room [2019-10-14 23:07:22,572 INFO L130 BoogieDeclarations]: Found specification of procedure tty_register_ldisc [2019-10-14 23:07:22,572 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_ldisc [2019-10-14 23:07:22,572 INFO L130 BoogieDeclarations]: Found specification of procedure tty_lock [2019-10-14 23:07:22,573 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unlock [2019-10-14 23:07:22,573 INFO L130 BoogieDeclarations]: Found specification of procedure poll_wait [2019-10-14 23:07:22,573 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2019-10-14 23:07:22,573 INFO L130 BoogieDeclarations]: Found specification of procedure add_tx_queue [2019-10-14 23:07:22,573 INFO L130 BoogieDeclarations]: Found specification of procedure remove_from_tx_queue [2019-10-14 23:07:22,574 INFO L130 BoogieDeclarations]: Found specification of procedure put_char [2019-10-14 23:07:22,574 INFO L130 BoogieDeclarations]: Found specification of procedure trigger_transmit [2019-10-14 23:07:22,574 INFO L130 BoogieDeclarations]: Found specification of procedure retry_transmit [2019-10-14 23:07:22,574 INFO L130 BoogieDeclarations]: Found specification of procedure transmit_block [2019-10-14 23:07:22,574 INFO L130 BoogieDeclarations]: Found specification of procedure receive_char [2019-10-14 23:07:22,575 INFO L130 BoogieDeclarations]: Found specification of procedure receive_error [2019-10-14 23:07:22,575 INFO L130 BoogieDeclarations]: Found specification of procedure on_timeout [2019-10-14 23:07:22,575 INFO L130 BoogieDeclarations]: Found specification of procedure enable_signals [2019-10-14 23:07:22,575 INFO L130 BoogieDeclarations]: Found specification of procedure read_telegram [2019-10-14 23:07:22,575 INFO L130 BoogieDeclarations]: Found specification of procedure add_msg [2019-10-14 23:07:22,576 INFO L130 BoogieDeclarations]: Found specification of procedure remove_msg [2019-10-14 23:07:22,576 INFO L130 BoogieDeclarations]: Found specification of procedure remove_client_block [2019-10-14 23:07:22,576 INFO L130 BoogieDeclarations]: Found specification of procedure r3964_open [2019-10-14 23:07:22,576 INFO L130 BoogieDeclarations]: Found specification of procedure r3964_close [2019-10-14 23:07:22,577 INFO L130 BoogieDeclarations]: Found specification of procedure r3964_read [2019-10-14 23:07:22,577 INFO L130 BoogieDeclarations]: Found specification of procedure r3964_write [2019-10-14 23:07:22,577 INFO L130 BoogieDeclarations]: Found specification of procedure r3964_ioctl [2019-10-14 23:07:22,577 INFO L130 BoogieDeclarations]: Found specification of procedure r3964_set_termios [2019-10-14 23:07:22,577 INFO L130 BoogieDeclarations]: Found specification of procedure r3964_poll [2019-10-14 23:07:22,578 INFO L130 BoogieDeclarations]: Found specification of procedure r3964_receive_buf [2019-10-14 23:07:22,578 INFO L130 BoogieDeclarations]: Found specification of procedure dump_block [2019-10-14 23:07:22,578 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-14 23:07:22,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-14 23:07:22,578 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-14 23:07:22,579 INFO L130 BoogieDeclarations]: Found specification of procedure r3964_exit [2019-10-14 23:07:22,579 INFO L130 BoogieDeclarations]: Found specification of procedure r3964_init [2019-10-14 23:07:22,579 INFO L130 BoogieDeclarations]: Found specification of procedure add_rx_queue [2019-10-14 23:07:22,579 INFO L130 BoogieDeclarations]: Found specification of procedure remove_from_rx_queue [2019-10-14 23:07:22,580 INFO L130 BoogieDeclarations]: Found specification of procedure flush [2019-10-14 23:07:22,580 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-10-14 23:07:22,580 INFO L130 BoogieDeclarations]: Found specification of procedure on_receive_block [2019-10-14 23:07:22,580 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-14 23:07:22,580 INFO L130 BoogieDeclarations]: Found specification of procedure findClient [2019-10-14 23:07:22,581 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-14 23:07:22,581 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-14 23:07:22,581 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 23:07:22,581 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-14 23:07:22,582 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-14 23:07:22,582 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-14 23:07:22,582 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-14 23:07:22,582 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-14 23:07:22,582 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2019-10-14 23:07:22,583 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2019-10-14 23:07:22,583 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2019-10-14 23:07:22,583 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2019-10-14 23:07:22,583 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-14 23:07:22,583 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-10-14 23:07:22,584 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-14 23:07:22,584 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 23:07:22,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-14 23:07:22,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-14 23:07:22,584 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 23:07:22,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-14 23:07:22,585 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-14 23:07:22,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-14 23:07:22,585 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-14 23:07:23,521 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-14 23:07:26,270 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 23:07:26,271 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-14 23:07:26,273 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:07:26 BoogieIcfgContainer [2019-10-14 23:07:26,273 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 23:07:26,276 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-14 23:07:26,277 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-14 23:07:26,280 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-14 23:07:26,280 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:07:19" (1/3) ... [2019-10-14 23:07:26,281 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bfcba55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:07:26, skipping insertion in model container [2019-10-14 23:07:26,283 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:07:22" (2/3) ... [2019-10-14 23:07:26,288 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bfcba55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:07:26, skipping insertion in model container [2019-10-14 23:07:26,288 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:07:26" (3/3) ... [2019-10-14 23:07:26,290 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--tty--n_r3964.ko-entry_point.cil.out.i [2019-10-14 23:07:26,300 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-14 23:07:26,310 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-14 23:07:26,321 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-14 23:07:26,363 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-14 23:07:26,364 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-14 23:07:26,364 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-14 23:07:26,364 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-14 23:07:26,364 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-14 23:07:26,364 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-14 23:07:26,364 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-14 23:07:26,364 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-14 23:07:26,405 INFO L276 IsEmpty]: Start isEmpty. Operand 960 states. [2019-10-14 23:07:26,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2019-10-14 23:07:26,422 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:07:26,423 INFO L380 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:07:26,426 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:07:26,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:07:26,432 INFO L82 PathProgramCache]: Analyzing trace with hash -278468049, now seen corresponding path program 1 times [2019-10-14 23:07:26,441 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:07:26,441 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711197118] [2019-10-14 23:07:26,442 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:07:26,442 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:07:26,442 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:07:26,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:07:27,354 WARN L191 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-10-14 23:07:27,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:07:27,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:07:27,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:07:27,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:07:27,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:07:27,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:07:27,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:07:27,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:07:27,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:07:27,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:07:27,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:07:27,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:07:27,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:07:27,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:07:27,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:07:27,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:07:27,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:07:27,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:07:27,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:07:27,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:07:27,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:07:27,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:07:27,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:07:27,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:07:27,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:07:27,725 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2019-10-14 23:07:27,726 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711197118] [2019-10-14 23:07:27,727 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:07:27,727 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-14 23:07:27,727 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135690978] [2019-10-14 23:07:27,734 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-14 23:07:27,735 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:07:27,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-14 23:07:27,750 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-10-14 23:07:27,752 INFO L87 Difference]: Start difference. First operand 960 states. Second operand 8 states. [2019-10-14 23:07:28,091 WARN L191 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-10-14 23:07:28,398 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2019-10-14 23:07:28,713 WARN L191 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-10-14 23:07:49,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:07:49,477 INFO L93 Difference]: Finished difference Result 2752 states and 3955 transitions. [2019-10-14 23:07:49,478 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-10-14 23:07:49,479 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 147 [2019-10-14 23:07:49,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:07:49,528 INFO L225 Difference]: With dead ends: 2752 [2019-10-14 23:07:49,529 INFO L226 Difference]: Without dead ends: 1810 [2019-10-14 23:07:49,545 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=108, Invalid=234, Unknown=0, NotChecked=0, Total=342 [2019-10-14 23:07:49,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1810 states. [2019-10-14 23:07:49,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1810 to 1244. [2019-10-14 23:07:49,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1244 states. [2019-10-14 23:07:49,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1244 states to 1244 states and 1686 transitions. [2019-10-14 23:07:49,899 INFO L78 Accepts]: Start accepts. Automaton has 1244 states and 1686 transitions. Word has length 147 [2019-10-14 23:07:49,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:07:49,900 INFO L462 AbstractCegarLoop]: Abstraction has 1244 states and 1686 transitions. [2019-10-14 23:07:49,900 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-14 23:07:49,900 INFO L276 IsEmpty]: Start isEmpty. Operand 1244 states and 1686 transitions. [2019-10-14 23:07:49,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2019-10-14 23:07:49,905 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:07:49,906 INFO L380 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:07:49,906 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:07:49,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:07:49,906 INFO L82 PathProgramCache]: Analyzing trace with hash 745025737, now seen corresponding path program 1 times [2019-10-14 23:07:49,907 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:07:49,907 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735002753] [2019-10-14 23:07:49,907 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:07:49,907 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:07:49,907 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:07:49,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:07:50,393 WARN L191 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-10-14 23:07:50,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:07:50,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:07:50,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:07:50,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:07:50,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:07:50,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:07:50,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:07:50,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:07:50,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:07:50,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:07:50,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:07:50,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:07:50,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:07:50,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:07:50,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:07:50,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:07:50,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:07:50,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:07:50,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:07:50,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:07:50,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:07:50,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:07:50,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:07:50,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:07:50,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:07:50,759 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2019-10-14 23:07:50,760 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1735002753] [2019-10-14 23:07:50,760 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:07:50,760 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-14 23:07:50,761 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985899251] [2019-10-14 23:07:50,766 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-14 23:07:50,767 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:07:50,767 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-14 23:07:50,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2019-10-14 23:07:50,768 INFO L87 Difference]: Start difference. First operand 1244 states and 1686 transitions. Second operand 10 states. [2019-10-14 23:07:51,007 WARN L191 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-10-14 23:07:51,340 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2019-10-14 23:07:51,659 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-10-14 23:07:52,480 WARN L191 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2019-10-14 23:07:53,016 WARN L191 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 167