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-commit-tester/m0_drivers-net-slip-ko--108_1a--1b0b0ac-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 18:14:46,558 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 18:14:46,561 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 18:14:46,583 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 18:14:46,583 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 18:14:46,585 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 18:14:46,588 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 18:14:46,597 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 18:14:46,601 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 18:14:46,602 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 18:14:46,605 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 18:14:46,606 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 18:14:46,607 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 18:14:46,608 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 18:14:46,609 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 18:14:46,610 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 18:14:46,611 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 18:14:46,612 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 18:14:46,614 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 18:14:46,616 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 18:14:46,617 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 18:14:46,618 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 18:14:46,620 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 18:14:46,620 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 18:14:46,622 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 18:14:46,623 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 18:14:46,623 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 18:14:46,624 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 18:14:46,624 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 18:14:46,625 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 18:14:46,626 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 18:14:46,626 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 18:14:46,627 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 18:14:46,628 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 18:14:46,629 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 18:14:46,629 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 18:14:46,630 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 18:14:46,630 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 18:14:46,630 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 18:14:46,631 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 18:14:46,632 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 18:14:46,633 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 18:14:46,650 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 18:14:46,650 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 18:14:46,652 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 18:14:46,652 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 18:14:46,652 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 18:14:46,652 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 18:14:46,653 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 18:14:46,653 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 18:14:46,653 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 18:14:46,653 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 18:14:46,653 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 18:14:46,654 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 18:14:46,654 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 18:14:46,654 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 18:14:46,654 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 18:14:46,654 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 18:14:46,655 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 18:14:46,655 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 18:14:46,655 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 18:14:46,655 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 18:14:46,655 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 18:14:46,656 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 18:14:46,656 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 18:14:46,656 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 18:14:46,656 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 18:14:46,656 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 18:14:46,657 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 18:14:46,657 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 18:14:46,657 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-13 18:14:46,945 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 18:14:46,960 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 18:14:46,963 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 18:14:46,965 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 18:14:46,965 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 18:14:46,966 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-commit-tester/m0_drivers-net-slip-ko--108_1a--1b0b0ac-1.i [2019-10-13 18:14:47,033 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c638fb7da/fac9900a900d40dcbe7d7532476618e5/FLAGb4e195379 [2019-10-13 18:14:47,881 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 18:14:47,882 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-commit-tester/m0_drivers-net-slip-ko--108_1a--1b0b0ac-1.i [2019-10-13 18:14:47,922 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c638fb7da/fac9900a900d40dcbe7d7532476618e5/FLAGb4e195379 [2019-10-13 18:14:48,353 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c638fb7da/fac9900a900d40dcbe7d7532476618e5 [2019-10-13 18:14:48,364 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 18:14:48,365 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 18:14:48,366 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 18:14:48,367 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 18:14:48,370 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 18:14:48,371 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:14:48" (1/1) ... [2019-10-13 18:14:48,374 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67f67533 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:14:48, skipping insertion in model container [2019-10-13 18:14:48,374 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:14:48" (1/1) ... [2019-10-13 18:14:48,382 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 18:14:48,514 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 18:14:50,491 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 18:14:50,540 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 18:14:50,884 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 18:14:51,150 INFO L192 MainTranslator]: Completed translation [2019-10-13 18:14:51,152 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:14:51 WrapperNode [2019-10-13 18:14:51,152 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 18:14:51,153 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 18:14:51,153 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 18:14:51,154 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 18:14:51,170 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:14:51" (1/1) ... [2019-10-13 18:14:51,170 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:14:51" (1/1) ... [2019-10-13 18:14:51,269 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:14:51" (1/1) ... [2019-10-13 18:14:51,269 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:14:51" (1/1) ... [2019-10-13 18:14:51,389 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:14:51" (1/1) ... [2019-10-13 18:14:51,405 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:14:51" (1/1) ... [2019-10-13 18:14:51,420 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:14:51" (1/1) ... [2019-10-13 18:14:51,446 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 18:14:51,447 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 18:14:51,447 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 18:14:51,448 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 18:14:51,449 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:14:51" (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 18:14:51,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 18:14:51,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 18:14:51,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2019-10-13 18:14:51,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-13 18:14:51,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_nonpositive_int [2019-10-13 18:14:51,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-13 18:14:51,527 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-10-13 18:14:51,527 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-10-13 18:14:51,527 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2019-10-13 18:14:51,528 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2019-10-13 18:14:51,528 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-10-13 18:14:51,528 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2019-10-13 18:14:51,528 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-13 18:14:51,528 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-10-13 18:14:51,529 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2019-10-13 18:14:51,529 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-10-13 18:14:51,529 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2019-10-13 18:14:51,529 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2019-10-13 18:14:51,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-13 18:14:51,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-13 18:14:51,531 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-13 18:14:51,531 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-13 18:14:51,531 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-13 18:14:51,531 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2019-10-13 18:14:51,532 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2019-10-13 18:14:51,532 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2019-10-13 18:14:51,532 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2019-10-13 18:14:51,532 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdevice [2019-10-13 18:14:51,532 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2019-10-13 18:14:51,532 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2019-10-13 18:14:51,532 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2019-10-13 18:14:51,533 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2019-10-13 18:14:51,533 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2019-10-13 18:14:51,533 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2019-10-13 18:14:51,533 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_queue_stopped [2019-10-13 18:14:51,533 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2019-10-13 18:14:51,533 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2019-10-13 18:14:51,533 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_alloc_bufs [2019-10-13 18:14:51,534 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_free_bufs [2019-10-13 18:14:51,534 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_realloc_bufs [2019-10-13 18:14:51,534 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_lock [2019-10-13 18:14:51,534 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_unlock [2019-10-13 18:14:51,534 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_bump [2019-10-13 18:14:51,534 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_encaps [2019-10-13 18:14:51,534 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_write_wakeup [2019-10-13 18:14:51,535 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_tx_timeout [2019-10-13 18:14:51,535 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_xmit [2019-10-13 18:14:51,535 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_close [2019-10-13 18:14:51,535 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_open [2019-10-13 18:14:51,535 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_change_mtu [2019-10-13 18:14:51,535 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_get_stats64 [2019-10-13 18:14:51,536 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_init [2019-10-13 18:14:51,536 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_uninit [2019-10-13 18:14:51,536 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_free_netdev [2019-10-13 18:14:51,536 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_setup [2019-10-13 18:14:51,536 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_receive_buf [2019-10-13 18:14:51,536 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_sync [2019-10-13 18:14:51,536 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_alloc [2019-10-13 18:14:51,536 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_open [2019-10-13 18:14:51,537 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_close [2019-10-13 18:14:51,537 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_hangup [2019-10-13 18:14:51,537 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_esc [2019-10-13 18:14:51,538 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_unesc [2019-10-13 18:14:51,538 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_esc6 [2019-10-13 18:14:51,538 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_unesc6 [2019-10-13 18:14:51,538 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_ioctl [2019-10-13 18:14:51,538 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_compat_ioctl [2019-10-13 18:14:51,538 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_ioctl [2019-10-13 18:14:51,539 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_init [2019-10-13 18:14:51,539 INFO L138 BoogieDeclarations]: Found implementation of procedure slip_exit [2019-10-13 18:14:51,539 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_outfill [2019-10-13 18:14:51,539 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_keepalive [2019-10-13 18:14:51,539 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 18:14:51,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_sl_alloc_bufs_1 [2019-10-13 18:14:51,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdevice_2 [2019-10-13 18:14:51,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_slip_open_3 [2019-10-13 18:14:51,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-13 18:14:51,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_callback_ret_val [2019-10-13 18:14:51,541 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2019-10-13 18:14:51,541 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-13 18:14:51,542 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2019-10-13 18:14:51,542 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-10-13 18:14:51,542 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_bh [2019-10-13 18:14:51,543 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-10-13 18:14:51,543 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_bh [2019-10-13 18:14:51,543 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2019-10-13 18:14:51,543 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_netdev_mqs [2019-10-13 18:14:51,544 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2019-10-13 18:14:51,544 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2019-10-13 18:14:51,544 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2019-10-13 18:14:51,544 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2019-10-13 18:14:51,545 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2019-10-13 18:14:51,545 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2019-10-13 18:14:51,545 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_trans_start [2019-10-13 18:14:51,545 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2019-10-13 18:14:51,546 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2019-10-13 18:14:51,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-13 18:14:51,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2019-10-13 18:14:51,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2019-10-13 18:14:51,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-13 18:14:51,546 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2019-10-13 18:14:51,547 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2019-10-13 18:14:51,547 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2019-10-13 18:14:51,547 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2019-10-13 18:14:51,547 INFO L138 BoogieDeclarations]: Found implementation of procedure netpoll_trap [2019-10-13 18:14:51,547 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-13 18:14:51,547 INFO L138 BoogieDeclarations]: Found implementation of procedure register_netdevice [2019-10-13 18:14:51,548 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2019-10-13 18:14:51,548 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2019-10-13 18:14:51,548 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-10-13 18:14:51,548 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_compress [2019-10-13 18:14:51,548 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_free [2019-10-13 18:14:51,548 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_init [2019-10-13 18:14:51,548 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_remember [2019-10-13 18:14:51,549 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_uncompress [2019-10-13 18:14:51,549 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_chars_in_buffer [2019-10-13 18:14:51,549 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_devnum [2019-10-13 18:14:51,549 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_hangup [2019-10-13 18:14:51,550 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_mode_ioctl [2019-10-13 18:14:51,550 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_register_ldisc [2019-10-13 18:14:51,550 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_ldisc [2019-10-13 18:14:51,550 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2019-10-13 18:14:51,551 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdevice_queue [2019-10-13 18:14:51,551 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-10-13 18:14:51,552 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-13 18:14:51,552 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-13 18:14:51,552 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-13 18:14:51,552 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 18:14:51,552 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-13 18:14:51,552 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-13 18:14:51,553 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 18:14:51,553 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_nonpositive_int [2019-10-13 18:14:51,553 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_callback_ret_val [2019-10-13 18:14:51,554 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-10-13 18:14:51,554 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-10-13 18:14:51,554 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2019-10-13 18:14:51,554 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2019-10-13 18:14:51,554 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-10-13 18:14:51,555 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 18:14:51,555 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-13 18:14:51,559 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-10-13 18:14:51,559 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2019-10-13 18:14:51,559 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-10-13 18:14:51,560 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-10-13 18:14:51,566 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2019-10-13 18:14:51,566 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2019-10-13 18:14:51,566 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2019-10-13 18:14:51,567 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-13 18:14:51,567 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-10-13 18:14:51,567 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_bh [2019-10-13 18:14:51,567 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-10-13 18:14:51,567 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_bh [2019-10-13 18:14:51,567 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-13 18:14:51,567 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-10-13 18:14:51,567 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2019-10-13 18:14:51,568 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-10-13 18:14:51,568 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2019-10-13 18:14:51,568 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2019-10-13 18:14:51,568 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2019-10-13 18:14:51,568 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2019-10-13 18:14:51,568 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2019-10-13 18:14:51,568 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2019-10-13 18:14:51,568 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2019-10-13 18:14:51,569 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2019-10-13 18:14:51,569 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2019-10-13 18:14:51,569 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2019-10-13 18:14:51,569 INFO L130 BoogieDeclarations]: Found specification of procedure tty_chars_in_buffer [2019-10-13 18:14:51,569 INFO L130 BoogieDeclarations]: Found specification of procedure tty_hangup [2019-10-13 18:14:51,569 INFO L130 BoogieDeclarations]: Found specification of procedure tty_mode_ioctl [2019-10-13 18:14:51,569 INFO L130 BoogieDeclarations]: Found specification of procedure tty_devnum [2019-10-13 18:14:51,569 INFO L130 BoogieDeclarations]: Found specification of procedure tty_register_ldisc [2019-10-13 18:14:51,570 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_ldisc [2019-10-13 18:14:51,570 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-13 18:14:51,570 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-13 18:14:51,570 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 18:14:51,570 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-13 18:14:51,570 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-13 18:14:51,570 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 18:14:51,570 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-13 18:14:51,571 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-13 18:14:51,571 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-13 18:14:51,571 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2019-10-13 18:14:51,571 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-10-13 18:14:51,571 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2019-10-13 18:14:51,571 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 18:14:51,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 18:14:51,571 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2019-10-13 18:14:51,572 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2019-10-13 18:14:51,572 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2019-10-13 18:14:51,572 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2019-10-13 18:14:51,572 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2019-10-13 18:14:51,572 INFO L130 BoogieDeclarations]: Found specification of procedure register_netdevice [2019-10-13 18:14:51,572 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdevice_2 [2019-10-13 18:14:51,573 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdevice_queue [2019-10-13 18:14:51,573 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdevice [2019-10-13 18:14:51,573 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2019-10-13 18:14:51,573 INFO L130 BoogieDeclarations]: Found specification of procedure netpoll_trap [2019-10-13 18:14:51,573 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2019-10-13 18:14:51,573 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2019-10-13 18:14:51,574 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2019-10-13 18:14:51,574 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2019-10-13 18:14:51,574 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2019-10-13 18:14:51,574 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2019-10-13 18:14:51,574 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 18:14:51,574 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2019-10-13 18:14:51,574 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_queue_stopped [2019-10-13 18:14:51,574 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2019-10-13 18:14:51,575 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2019-10-13 18:14:51,576 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2019-10-13 18:14:51,576 INFO L130 BoogieDeclarations]: Found specification of procedure dev_trans_start [2019-10-13 18:14:51,576 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_netdev_mqs [2019-10-13 18:14:51,576 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2019-10-13 18:14:51,576 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2019-10-13 18:14:51,577 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2019-10-13 18:14:51,577 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_init [2019-10-13 18:14:51,577 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_free [2019-10-13 18:14:51,577 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_compress [2019-10-13 18:14:51,577 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_uncompress [2019-10-13 18:14:51,577 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_remember [2019-10-13 18:14:51,577 INFO L130 BoogieDeclarations]: Found specification of procedure slip_esc [2019-10-13 18:14:51,577 INFO L130 BoogieDeclarations]: Found specification of procedure slip_unesc [2019-10-13 18:14:51,578 INFO L130 BoogieDeclarations]: Found specification of procedure slip_esc6 [2019-10-13 18:14:51,578 INFO L130 BoogieDeclarations]: Found specification of procedure slip_unesc6 [2019-10-13 18:14:51,578 INFO L130 BoogieDeclarations]: Found specification of procedure sl_keepalive [2019-10-13 18:14:51,578 INFO L130 BoogieDeclarations]: Found specification of procedure sl_outfill [2019-10-13 18:14:51,578 INFO L130 BoogieDeclarations]: Found specification of procedure sl_ioctl [2019-10-13 18:14:51,578 INFO L130 BoogieDeclarations]: Found specification of procedure sl_alloc_bufs [2019-10-13 18:14:51,578 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_sl_alloc_bufs_1 [2019-10-13 18:14:51,579 INFO L130 BoogieDeclarations]: Found specification of procedure sl_free_bufs [2019-10-13 18:14:51,579 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-13 18:14:51,579 INFO L130 BoogieDeclarations]: Found specification of procedure sl_realloc_bufs [2019-10-13 18:14:51,579 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-13 18:14:51,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 18:14:51,579 INFO L130 BoogieDeclarations]: Found specification of procedure sl_lock [2019-10-13 18:14:51,579 INFO L130 BoogieDeclarations]: Found specification of procedure sl_unlock [2019-10-13 18:14:51,580 INFO L130 BoogieDeclarations]: Found specification of procedure sl_bump [2019-10-13 18:14:51,580 INFO L130 BoogieDeclarations]: Found specification of procedure sl_encaps [2019-10-13 18:14:51,580 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2019-10-13 18:14:51,580 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 18:14:51,580 INFO L130 BoogieDeclarations]: Found specification of procedure slip_write_wakeup [2019-10-13 18:14:51,580 INFO L130 BoogieDeclarations]: Found specification of procedure sl_tx_timeout [2019-10-13 18:14:51,580 INFO L130 BoogieDeclarations]: Found specification of procedure sl_xmit [2019-10-13 18:14:51,580 INFO L130 BoogieDeclarations]: Found specification of procedure sl_close [2019-10-13 18:14:51,581 INFO L130 BoogieDeclarations]: Found specification of procedure sl_open [2019-10-13 18:14:51,581 INFO L130 BoogieDeclarations]: Found specification of procedure sl_change_mtu [2019-10-13 18:14:51,581 INFO L130 BoogieDeclarations]: Found specification of procedure sl_get_stats64 [2019-10-13 18:14:51,581 INFO L130 BoogieDeclarations]: Found specification of procedure sl_init [2019-10-13 18:14:51,581 INFO L130 BoogieDeclarations]: Found specification of procedure sl_uninit [2019-10-13 18:14:51,581 INFO L130 BoogieDeclarations]: Found specification of procedure sl_free_netdev [2019-10-13 18:14:51,581 INFO L130 BoogieDeclarations]: Found specification of procedure sl_setup [2019-10-13 18:14:51,581 INFO L130 BoogieDeclarations]: Found specification of procedure slip_receive_buf [2019-10-13 18:14:51,582 INFO L130 BoogieDeclarations]: Found specification of procedure sl_sync [2019-10-13 18:14:51,582 INFO L130 BoogieDeclarations]: Found specification of procedure sl_alloc [2019-10-13 18:14:51,582 INFO L130 BoogieDeclarations]: Found specification of procedure slip_open [2019-10-13 18:14:51,582 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_slip_open_3 [2019-10-13 18:14:51,582 INFO L130 BoogieDeclarations]: Found specification of procedure slip_close [2019-10-13 18:14:51,582 INFO L130 BoogieDeclarations]: Found specification of procedure slip_hangup [2019-10-13 18:14:51,582 INFO L130 BoogieDeclarations]: Found specification of procedure slip_ioctl [2019-10-13 18:14:51,582 INFO L130 BoogieDeclarations]: Found specification of procedure slip_compat_ioctl [2019-10-13 18:14:51,583 INFO L130 BoogieDeclarations]: Found specification of procedure slip_init [2019-10-13 18:14:51,583 INFO L130 BoogieDeclarations]: Found specification of procedure slip_exit [2019-10-13 18:14:51,583 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-13 18:14:51,583 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2019-10-13 18:14:51,583 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-13 18:14:51,583 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2019-10-13 18:14:51,583 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 18:14:51,584 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-13 18:14:51,588 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-13 18:14:51,588 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-13 18:14:51,588 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-13 18:14:51,588 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-13 18:14:51,588 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 18:14:51,588 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 18:14:51,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-13 18:14:51,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 18:14:51,589 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 18:14:51,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-13 18:14:51,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-13 18:14:51,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-13 18:14:51,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-13 18:14:52,581 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-13 18:14:55,348 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 18:14:55,349 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-13 18:14:55,351 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:14:55 BoogieIcfgContainer [2019-10-13 18:14:55,351 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 18:14:55,353 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 18:14:55,353 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 18:14:55,356 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 18:14:55,356 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 06:14:48" (1/3) ... [2019-10-13 18:14:55,357 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31c4f679 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 06:14:55, skipping insertion in model container [2019-10-13 18:14:55,357 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:14:51" (2/3) ... [2019-10-13 18:14:55,358 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31c4f679 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 06:14:55, skipping insertion in model container [2019-10-13 18:14:55,358 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:14:55" (3/3) ... [2019-10-13 18:14:55,360 INFO L109 eAbstractionObserver]: Analyzing ICFG m0_drivers-net-slip-ko--108_1a--1b0b0ac-1.i [2019-10-13 18:14:55,369 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 18:14:55,380 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 18:14:55,391 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 18:14:55,429 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 18:14:55,430 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 18:14:55,430 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 18:14:55,430 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 18:14:55,430 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 18:14:55,430 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 18:14:55,430 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 18:14:55,430 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 18:14:55,486 INFO L276 IsEmpty]: Start isEmpty. Operand 1230 states. [2019-10-13 18:14:55,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-10-13 18:14:55,511 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 18:14:55,512 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 18:14:55,514 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 18:14:55,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 18:14:55,522 INFO L82 PathProgramCache]: Analyzing trace with hash 573246578, now seen corresponding path program 1 times [2019-10-13 18:14:55,529 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 18:14:55,530 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963438690] [2019-10-13 18:14:55,530 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 18:14:55,530 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 18:14:55,530 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 18:14:55,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:14:56,422 WARN L191 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2019-10-13 18:14:56,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:14:56,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:14:56,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:14:56,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:14:56,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:14:56,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:14:56,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:14:56,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:14:56,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:14:56,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:14:56,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:14:56,739 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-13 18:14:56,740 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963438690] [2019-10-13 18:14:56,741 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 18:14:56,741 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-13 18:14:56,741 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571743368] [2019-10-13 18:14:56,746 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-13 18:14:56,746 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 18:14:56,761 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-13 18:14:56,761 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-13 18:14:56,764 INFO L87 Difference]: Start difference. First operand 1230 states. Second operand 9 states. [2019-10-13 18:14:57,094 WARN L191 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2019-10-13 18:14:57,802 WARN L191 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2019-10-13 18:15:00,892 WARN L191 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2019-10-13 18:15:15,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 18:15:15,732 INFO L93 Difference]: Finished difference Result 2815 states and 4029 transitions. [2019-10-13 18:15:15,732 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-13 18:15:15,734 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 77 [2019-10-13 18:15:15,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 18:15:15,769 INFO L225 Difference]: With dead ends: 2815 [2019-10-13 18:15:15,769 INFO L226 Difference]: Without dead ends: 1527 [2019-10-13 18:15:15,783 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2019-10-13 18:15:15,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1527 states. [2019-10-13 18:15:16,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1527 to 1176. [2019-10-13 18:15:16,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1176 states. [2019-10-13 18:15:16,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1176 states to 1176 states and 1616 transitions. [2019-10-13 18:15:16,082 INFO L78 Accepts]: Start accepts. Automaton has 1176 states and 1616 transitions. Word has length 77 [2019-10-13 18:15:16,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 18:15:16,083 INFO L462 AbstractCegarLoop]: Abstraction has 1176 states and 1616 transitions. [2019-10-13 18:15:16,083 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-13 18:15:16,083 INFO L276 IsEmpty]: Start isEmpty. Operand 1176 states and 1616 transitions. [2019-10-13 18:15:16,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-10-13 18:15:16,102 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 18:15:16,103 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 18:15:16,103 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 18:15:16,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 18:15:16,104 INFO L82 PathProgramCache]: Analyzing trace with hash 155849972, now seen corresponding path program 1 times [2019-10-13 18:15:16,104 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 18:15:16,105 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91172783] [2019-10-13 18:15:16,105 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 18:15:16,106 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 18:15:16,106 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 18:15:16,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:15:16,582 WARN L191 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2019-10-13 18:15:16,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:15:16,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:15:16,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:15:16,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:15:16,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:15:16,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:15:16,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:15:16,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:15:16,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:15:16,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:15:16,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:15:16,813 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-13 18:15:16,813 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91172783] [2019-10-13 18:15:16,814 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 18:15:16,814 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2019-10-13 18:15:16,815 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628600305] [2019-10-13 18:15:16,817 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-10-13 18:15:16,818 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 18:15:16,818 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-10-13 18:15:16,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2019-10-13 18:15:16,819 INFO L87 Difference]: Start difference. First operand 1176 states and 1616 transitions. Second operand 13 states. [2019-10-13 18:15:17,172 WARN L191 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 196