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-f4eb214f-m [2019-10-13 19:08:17,432 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 19:08:17,435 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 19:08:17,453 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 19:08:17,453 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 19:08:17,455 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 19:08:17,457 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 19:08:17,470 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 19:08:17,472 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 19:08:17,474 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 19:08:17,475 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 19:08:17,479 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 19:08:17,479 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 19:08:17,481 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 19:08:17,481 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 19:08:17,482 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 19:08:17,483 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 19:08:17,484 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 19:08:17,485 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 19:08:17,490 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 19:08:17,491 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 19:08:17,494 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 19:08:17,495 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 19:08:17,497 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 19:08:17,499 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 19:08:17,499 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 19:08:17,500 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 19:08:17,503 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 19:08:17,504 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 19:08:17,506 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 19:08:17,506 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 19:08:17,508 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 19:08:17,510 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 19:08:17,511 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 19:08:17,512 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 19:08:17,512 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 19:08:17,513 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 19:08:17,513 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 19:08:17,513 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 19:08:17,517 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 19:08:17,518 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 19:08:17,519 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 19:08:17,534 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 19:08:17,534 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 19:08:17,535 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 19:08:17,536 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 19:08:17,536 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 19:08:17,536 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 19:08:17,536 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 19:08:17,536 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 19:08:17,537 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 19:08:17,537 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 19:08:17,537 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 19:08:17,537 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 19:08:17,537 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 19:08:17,538 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 19:08:17,538 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 19:08:17,538 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 19:08:17,538 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 19:08:17,538 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 19:08:17,539 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 19:08:17,539 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 19:08:17,539 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 19:08:17,539 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 19:08:17,540 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 19:08:17,540 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 19:08:17,540 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 19:08:17,540 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 19:08:17,540 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 19:08:17,540 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 19:08:17,541 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-13 19:08:17,860 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 19:08:17,879 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 19:08:17,883 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 19:08:17,885 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 19:08:17,885 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 19:08:17,886 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--tty--n_r3964.ko-entry_point.cil.out.i [2019-10-13 19:08:17,966 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6da44ae4/80233d9168b44247ab0bcd04b5944e75/FLAG8299a3a4f [2019-10-13 19:08:18,685 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 19:08:18,688 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--tty--n_r3964.ko-entry_point.cil.out.i [2019-10-13 19:08:18,733 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6da44ae4/80233d9168b44247ab0bcd04b5944e75/FLAG8299a3a4f [2019-10-13 19:08:18,783 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6da44ae4/80233d9168b44247ab0bcd04b5944e75 [2019-10-13 19:08:18,794 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 19:08:18,796 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 19:08:18,797 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 19:08:18,797 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 19:08:18,801 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 19:08:18,802 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:08:18" (1/1) ... [2019-10-13 19:08:18,805 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@99e08fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:08:18, skipping insertion in model container [2019-10-13 19:08:18,806 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:08:18" (1/1) ... [2019-10-13 19:08:18,814 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 19:08:18,901 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 19:08:20,302 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:08:20,337 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 19:08:20,642 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 19:08:20,974 INFO L192 MainTranslator]: Completed translation [2019-10-13 19:08:20,975 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:08:20 WrapperNode [2019-10-13 19:08:20,976 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 19:08:20,977 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 19:08:20,977 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 19:08:20,977 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 19:08:21,000 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:08:20" (1/1) ... [2019-10-13 19:08:21,000 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:08:20" (1/1) ... [2019-10-13 19:08:21,113 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:08:20" (1/1) ... [2019-10-13 19:08:21,114 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:08:20" (1/1) ... [2019-10-13 19:08:21,247 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:08:20" (1/1) ... [2019-10-13 19:08:21,268 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:08:20" (1/1) ... [2019-10-13 19:08:21,289 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:08:20" (1/1) ... [2019-10-13 19:08:21,317 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 19:08:21,318 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 19:08:21,318 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 19:08:21,318 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 19:08:21,320 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:08:20" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 19:08:21,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 19:08:21,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 19:08:21,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2019-10-13 19:08:21,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-10-13 19:08:21,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-13 19:08:21,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-13 19:08:21,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-10-13 19:08:21,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-10-13 19:08:21,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-13 19:08:21,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-13 19:08:21,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-13 19:08:21,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-13 19:08:21,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-13 19:08:21,405 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-10-13 19:08:21,406 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2019-10-13 19:08:21,406 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2019-10-13 19:08:21,408 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-13 19:08:21,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_12 [2019-10-13 19:08:21,409 INFO L138 BoogieDeclarations]: Found implementation of procedure get_pid [2019-10-13 19:08:21,409 INFO L138 BoogieDeclarations]: Found implementation of procedure task_pid [2019-10-13 19:08:21,409 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-10-13 19:08:21,409 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_wait [2019-10-13 19:08:21,409 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_block [2019-10-13 19:08:21,410 INFO L138 BoogieDeclarations]: Found implementation of procedure r3964_exit [2019-10-13 19:08:21,410 INFO L138 BoogieDeclarations]: Found implementation of procedure r3964_init [2019-10-13 19:08:21,410 INFO L138 BoogieDeclarations]: Found implementation of procedure add_tx_queue [2019-10-13 19:08:21,411 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_from_tx_queue [2019-10-13 19:08:21,411 INFO L138 BoogieDeclarations]: Found implementation of procedure add_rx_queue [2019-10-13 19:08:21,411 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_from_rx_queue [2019-10-13 19:08:21,411 INFO L138 BoogieDeclarations]: Found implementation of procedure put_char [2019-10-13 19:08:21,411 INFO L138 BoogieDeclarations]: Found implementation of procedure flush [2019-10-13 19:08:21,411 INFO L138 BoogieDeclarations]: Found implementation of procedure trigger_transmit [2019-10-13 19:08:21,411 INFO L138 BoogieDeclarations]: Found implementation of procedure retry_transmit [2019-10-13 19:08:21,412 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit_block [2019-10-13 19:08:21,412 INFO L138 BoogieDeclarations]: Found implementation of procedure on_receive_block [2019-10-13 19:08:21,412 INFO L138 BoogieDeclarations]: Found implementation of procedure receive_char [2019-10-13 19:08:21,412 INFO L138 BoogieDeclarations]: Found implementation of procedure receive_error [2019-10-13 19:08:21,412 INFO L138 BoogieDeclarations]: Found implementation of procedure on_timeout [2019-10-13 19:08:21,412 INFO L138 BoogieDeclarations]: Found implementation of procedure findClient [2019-10-13 19:08:21,412 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_signals [2019-10-13 19:08:21,413 INFO L138 BoogieDeclarations]: Found implementation of procedure read_telegram [2019-10-13 19:08:21,413 INFO L138 BoogieDeclarations]: Found implementation of procedure add_msg [2019-10-13 19:08:21,413 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_msg [2019-10-13 19:08:21,413 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_client_block [2019-10-13 19:08:21,413 INFO L138 BoogieDeclarations]: Found implementation of procedure r3964_open [2019-10-13 19:08:21,413 INFO L138 BoogieDeclarations]: Found implementation of procedure r3964_close [2019-10-13 19:08:21,414 INFO L138 BoogieDeclarations]: Found implementation of procedure r3964_read [2019-10-13 19:08:21,414 INFO L138 BoogieDeclarations]: Found implementation of procedure r3964_write [2019-10-13 19:08:21,414 INFO L138 BoogieDeclarations]: Found implementation of procedure r3964_ioctl [2019-10-13 19:08:21,414 INFO L138 BoogieDeclarations]: Found implementation of procedure r3964_set_termios [2019-10-13 19:08:21,414 INFO L138 BoogieDeclarations]: Found implementation of procedure r3964_poll [2019-10-13 19:08:21,414 INFO L138 BoogieDeclarations]: Found implementation of procedure r3964_receive_buf [2019-10-13 19:08:21,414 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_1 [2019-10-13 19:08:21,414 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_init_1 [2019-10-13 19:08:21,415 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_1 [2019-10-13 19:08:21,415 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_1 [2019-10-13 19:08:21,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_target_type_2 [2019-10-13 19:08:21,415 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_1 [2019-10-13 19:08:21,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2019-10-13 19:08:21,416 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_1 [2019-10-13 19:08:21,416 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 19:08:21,416 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-10-13 19:08:21,417 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-13 19:08:21,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmem_cache_alloc_20 [2019-10-13 19:08:21,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_23 [2019-10-13 19:08:21,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_24 [2019-10-13 19:08:21,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_25 [2019-10-13 19:08:21,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_26 [2019-10-13 19:08:21,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_27 [2019-10-13 19:08:21,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_28 [2019-10-13 19:08:21,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_29 [2019-10-13 19:08:21,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_30 [2019-10-13 19:08:21,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_31 [2019-10-13 19:08:21,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_32 [2019-10-13 19:08:21,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync_33 [2019-10-13 19:08:21,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-13 19:08:21,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-13 19:08:21,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-13 19:08:21,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-13 19:08:21,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-13 19:08:21,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2019-10-13 19:08:21,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2019-10-13 19:08:21,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2019-10-13 19:08:21,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2019-10-13 19:08:21,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2019-10-13 19:08:21,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2019-10-13 19:08:21,424 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user_overflow [2019-10-13 19:08:21,424 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-10-13 19:08:21,424 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2019-10-13 19:08:21,425 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-13 19:08:21,425 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2019-10-13 19:08:21,426 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2019-10-13 19:08:21,426 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-10-13 19:08:21,426 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2019-10-13 19:08:21,426 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2019-10-13 19:08:21,426 INFO L138 BoogieDeclarations]: Found implementation of procedure kill_pid [2019-10-13 19:08:21,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-13 19:08:21,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-13 19:08:21,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2019-10-13 19:08:21,428 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2019-10-13 19:08:21,428 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2019-10-13 19:08:21,428 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-13 19:08:21,428 INFO L138 BoogieDeclarations]: Found implementation of procedure put_pid [2019-10-13 19:08:21,429 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2019-10-13 19:08:21,429 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_lock [2019-10-13 19:08:21,429 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_put_char [2019-10-13 19:08:21,429 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_register_ldisc [2019-10-13 19:08:21,429 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unlock [2019-10-13 19:08:21,430 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_ldisc [2019-10-13 19:08:21,430 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_write_room [2019-10-13 19:08:21,430 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-13 19:08:21,430 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-13 19:08:21,430 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-13 19:08:21,431 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-13 19:08:21,431 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-13 19:08:21,431 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 19:08:21,431 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-13 19:08:21,432 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-13 19:08:21,432 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2019-10-13 19:08:21,432 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-10-13 19:08:21,434 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2019-10-13 19:08:21,434 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2019-10-13 19:08:21,434 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 19:08:21,434 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-13 19:08:21,436 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-13 19:08:21,436 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 19:08:21,436 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-13 19:08:21,436 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-13 19:08:21,436 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-13 19:08:21,437 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-13 19:08:21,437 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 19:08:21,438 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-13 19:08:21,438 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-13 19:08:21,438 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-10-13 19:08:21,439 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-10-13 19:08:21,440 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-13 19:08:21,440 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-13 19:08:21,440 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-13 19:08:21,441 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-13 19:08:21,441 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-13 19:08:21,442 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-10-13 19:08:21,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 19:08:21,443 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-10-13 19:08:21,443 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2019-10-13 19:08:21,443 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-13 19:08:21,444 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2019-10-13 19:08:21,445 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-13 19:08:21,445 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-10-13 19:08:21,445 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-13 19:08:21,445 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_12 [2019-10-13 19:08:21,445 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-10-13 19:08:21,446 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-10-13 19:08:21,446 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2019-10-13 19:08:21,446 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2019-10-13 19:08:21,446 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2019-10-13 19:08:21,446 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2019-10-13 19:08:21,446 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_23 [2019-10-13 19:08:21,446 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_24 [2019-10-13 19:08:21,446 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_25 [2019-10-13 19:08:21,447 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_26 [2019-10-13 19:08:21,447 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_28 [2019-10-13 19:08:21,447 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_29 [2019-10-13 19:08:21,447 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_30 [2019-10-13 19:08:21,447 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_31 [2019-10-13 19:08:21,447 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_32 [2019-10-13 19:08:21,448 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2019-10-13 19:08:21,448 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_27 [2019-10-13 19:08:21,448 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync_33 [2019-10-13 19:08:21,448 INFO L130 BoogieDeclarations]: Found specification of procedure get_pid [2019-10-13 19:08:21,448 INFO L130 BoogieDeclarations]: Found specification of procedure put_pid [2019-10-13 19:08:21,448 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2019-10-13 19:08:21,448 INFO L130 BoogieDeclarations]: Found specification of procedure task_pid [2019-10-13 19:08:21,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 19:08:21,449 INFO L130 BoogieDeclarations]: Found specification of procedure kill_pid [2019-10-13 19:08:21,449 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-13 19:08:21,449 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmem_cache_alloc_20 [2019-10-13 19:08:21,449 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-13 19:08:21,449 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2019-10-13 19:08:21,449 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_1 [2019-10-13 19:08:21,449 INFO L130 BoogieDeclarations]: Found specification of procedure timer_init_1 [2019-10-13 19:08:21,450 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_1 [2019-10-13 19:08:21,450 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_1 [2019-10-13 19:08:21,450 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_target_type_2 [2019-10-13 19:08:21,450 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_1 [2019-10-13 19:08:21,450 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2019-10-13 19:08:21,450 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_1 [2019-10-13 19:08:21,450 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2019-10-13 19:08:21,451 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user_overflow [2019-10-13 19:08:21,451 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-10-13 19:08:21,451 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 19:08:21,451 INFO L130 BoogieDeclarations]: Found specification of procedure tty_put_char [2019-10-13 19:08:21,451 INFO L130 BoogieDeclarations]: Found specification of procedure tty_write_room [2019-10-13 19:08:21,451 INFO L130 BoogieDeclarations]: Found specification of procedure tty_register_ldisc [2019-10-13 19:08:21,451 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_ldisc [2019-10-13 19:08:21,452 INFO L130 BoogieDeclarations]: Found specification of procedure tty_lock [2019-10-13 19:08:21,452 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unlock [2019-10-13 19:08:21,452 INFO L130 BoogieDeclarations]: Found specification of procedure poll_wait [2019-10-13 19:08:21,452 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2019-10-13 19:08:21,452 INFO L130 BoogieDeclarations]: Found specification of procedure add_tx_queue [2019-10-13 19:08:21,452 INFO L130 BoogieDeclarations]: Found specification of procedure remove_from_tx_queue [2019-10-13 19:08:21,452 INFO L130 BoogieDeclarations]: Found specification of procedure put_char [2019-10-13 19:08:21,452 INFO L130 BoogieDeclarations]: Found specification of procedure trigger_transmit [2019-10-13 19:08:21,453 INFO L130 BoogieDeclarations]: Found specification of procedure retry_transmit [2019-10-13 19:08:21,453 INFO L130 BoogieDeclarations]: Found specification of procedure transmit_block [2019-10-13 19:08:21,453 INFO L130 BoogieDeclarations]: Found specification of procedure receive_char [2019-10-13 19:08:21,453 INFO L130 BoogieDeclarations]: Found specification of procedure receive_error [2019-10-13 19:08:21,453 INFO L130 BoogieDeclarations]: Found specification of procedure on_timeout [2019-10-13 19:08:21,453 INFO L130 BoogieDeclarations]: Found specification of procedure enable_signals [2019-10-13 19:08:21,453 INFO L130 BoogieDeclarations]: Found specification of procedure read_telegram [2019-10-13 19:08:21,454 INFO L130 BoogieDeclarations]: Found specification of procedure add_msg [2019-10-13 19:08:21,454 INFO L130 BoogieDeclarations]: Found specification of procedure remove_msg [2019-10-13 19:08:21,454 INFO L130 BoogieDeclarations]: Found specification of procedure remove_client_block [2019-10-13 19:08:21,454 INFO L130 BoogieDeclarations]: Found specification of procedure r3964_open [2019-10-13 19:08:21,454 INFO L130 BoogieDeclarations]: Found specification of procedure r3964_close [2019-10-13 19:08:21,454 INFO L130 BoogieDeclarations]: Found specification of procedure r3964_read [2019-10-13 19:08:21,454 INFO L130 BoogieDeclarations]: Found specification of procedure r3964_write [2019-10-13 19:08:21,454 INFO L130 BoogieDeclarations]: Found specification of procedure r3964_ioctl [2019-10-13 19:08:21,455 INFO L130 BoogieDeclarations]: Found specification of procedure r3964_set_termios [2019-10-13 19:08:21,455 INFO L130 BoogieDeclarations]: Found specification of procedure r3964_poll [2019-10-13 19:08:21,455 INFO L130 BoogieDeclarations]: Found specification of procedure r3964_receive_buf [2019-10-13 19:08:21,455 INFO L130 BoogieDeclarations]: Found specification of procedure dump_block [2019-10-13 19:08:21,455 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 19:08:21,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 19:08:21,455 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 19:08:21,456 INFO L130 BoogieDeclarations]: Found specification of procedure r3964_exit [2019-10-13 19:08:21,456 INFO L130 BoogieDeclarations]: Found specification of procedure r3964_init [2019-10-13 19:08:21,456 INFO L130 BoogieDeclarations]: Found specification of procedure add_rx_queue [2019-10-13 19:08:21,456 INFO L130 BoogieDeclarations]: Found specification of procedure remove_from_rx_queue [2019-10-13 19:08:21,456 INFO L130 BoogieDeclarations]: Found specification of procedure flush [2019-10-13 19:08:21,456 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-10-13 19:08:21,456 INFO L130 BoogieDeclarations]: Found specification of procedure on_receive_block [2019-10-13 19:08:21,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-13 19:08:21,457 INFO L130 BoogieDeclarations]: Found specification of procedure findClient [2019-10-13 19:08:21,457 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-13 19:08:21,457 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-13 19:08:21,457 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 19:08:21,457 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-13 19:08:21,457 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-13 19:08:21,457 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-13 19:08:21,458 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-13 19:08:21,458 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-13 19:08:21,458 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2019-10-13 19:08:21,458 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2019-10-13 19:08:21,458 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2019-10-13 19:08:21,458 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2019-10-13 19:08:21,458 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-13 19:08:21,458 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-10-13 19:08:21,459 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 19:08:21,459 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 19:08:21,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 19:08:21,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-13 19:08:21,459 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 19:08:21,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-13 19:08:21,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-13 19:08:21,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-13 19:08:21,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-13 19:08:22,238 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-13 19:08:26,228 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 19:08:26,228 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-13 19:08:26,230 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:08:26 BoogieIcfgContainer [2019-10-13 19:08:26,231 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 19:08:26,232 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 19:08:26,232 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 19:08:26,235 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 19:08:26,235 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:08:18" (1/3) ... [2019-10-13 19:08:26,236 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e2d63cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:08:26, skipping insertion in model container [2019-10-13 19:08:26,236 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:08:20" (2/3) ... [2019-10-13 19:08:26,237 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e2d63cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:08:26, skipping insertion in model container [2019-10-13 19:08:26,237 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:08:26" (3/3) ... [2019-10-13 19:08:26,238 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--tty--n_r3964.ko-entry_point.cil.out.i [2019-10-13 19:08:26,249 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 19:08:26,258 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 19:08:26,270 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 19:08:26,302 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 19:08:26,303 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 19:08:26,303 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 19:08:26,303 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 19:08:26,303 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 19:08:26,303 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 19:08:26,303 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 19:08:26,304 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 19:08:26,342 INFO L276 IsEmpty]: Start isEmpty. Operand 960 states. [2019-10-13 19:08:26,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2019-10-13 19:08:26,358 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:08:26,359 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] [2019-10-13 19:08:26,362 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:08:26,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:08:26,368 INFO L82 PathProgramCache]: Analyzing trace with hash -278468049, now seen corresponding path program 1 times [2019-10-13 19:08:26,378 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:08:26,378 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785446708] [2019-10-13 19:08:26,379 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:08:26,379 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:08:26,379 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:08:26,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:08:27,315 WARN L191 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-10-13 19:08:27,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:08:27,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:08:27,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:08:27,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:08:27,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:08:27,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:08:27,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:08:27,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:08:27,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:08:27,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:08:27,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:08:27,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:08:27,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:08:27,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:08:27,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:08:27,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:08:27,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:08:27,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:08:27,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:08:27,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:08:27,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:08:27,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:08:27,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:08:27,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:08:27,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:08:27,732 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2019-10-13 19:08:27,733 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785446708] [2019-10-13 19:08:27,734 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:08:27,734 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-13 19:08:27,734 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099447191] [2019-10-13 19:08:27,741 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 19:08:27,741 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:08:27,756 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 19:08:27,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-10-13 19:08:27,759 INFO L87 Difference]: Start difference. First operand 960 states. Second operand 8 states. [2019-10-13 19:08:28,042 WARN L191 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-10-13 19:08:28,461 WARN L191 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2019-10-13 19:08:28,741 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-10-13 19:08:48,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 19:08:48,302 INFO L93 Difference]: Finished difference Result 2752 states and 3955 transitions. [2019-10-13 19:08:48,303 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-10-13 19:08:48,304 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 147 [2019-10-13 19:08:48,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 19:08:48,339 INFO L225 Difference]: With dead ends: 2752 [2019-10-13 19:08:48,339 INFO L226 Difference]: Without dead ends: 1810 [2019-10-13 19:08:48,354 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 [2019-10-13 19:08:48,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1810 states. [2019-10-13 19:08:48,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1810 to 1244. [2019-10-13 19:08:48,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1244 states. [2019-10-13 19:08:48,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1244 states to 1244 states and 1686 transitions. [2019-10-13 19:08:48,773 INFO L78 Accepts]: Start accepts. Automaton has 1244 states and 1686 transitions. Word has length 147 [2019-10-13 19:08:48,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 19:08:48,774 INFO L462 AbstractCegarLoop]: Abstraction has 1244 states and 1686 transitions. [2019-10-13 19:08:48,774 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-13 19:08:48,774 INFO L276 IsEmpty]: Start isEmpty. Operand 1244 states and 1686 transitions. [2019-10-13 19:08:48,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2019-10-13 19:08:48,781 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 19:08:48,781 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] [2019-10-13 19:08:48,782 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 19:08:48,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 19:08:48,782 INFO L82 PathProgramCache]: Analyzing trace with hash 745025737, now seen corresponding path program 1 times [2019-10-13 19:08:48,783 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 19:08:48,783 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681356898] [2019-10-13 19:08:48,783 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:08:48,783 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 19:08:48,783 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 19:08:48,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:08:49,245 WARN L191 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-10-13 19:08:49,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:08:49,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:08:49,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:08:49,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:08:49,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:08:49,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:08:49,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:08:49,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:08:49,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:08:49,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:08:49,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:08:49,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:08:49,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:08:49,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:08:49,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:08:49,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:08:49,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:08:49,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:08:49,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:08:49,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:08:49,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:08:49,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:08:49,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:08:49,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:08:49,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 19:08:49,521 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2019-10-13 19:08:49,521 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681356898] [2019-10-13 19:08:49,522 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 19:08:49,522 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-13 19:08:49,523 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876352532] [2019-10-13 19:08:49,526 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-13 19:08:49,527 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 19:08:49,527 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-13 19:08:49,527 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2019-10-13 19:08:49,528 INFO L87 Difference]: Start difference. First operand 1244 states and 1686 transitions. Second operand 10 states. [2019-10-13 19:08:49,768 WARN L191 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-10-13 19:08:50,083 WARN L191 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2019-10-13 19:08:50,381 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-10-13 19:08:51,233 WARN L191 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2019-10-13 19:08:51,675 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2019-10-13 19:08:55,410 WARN L191 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2019-10-13 19:08:56,952 WARN L191 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 166