/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--isdn--mISDN--l1oip.ko-main.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-06 19:40:40,514 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-06 19:40:40,516 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-06 19:40:40,529 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-06 19:40:40,530 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-06 19:40:40,532 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-06 19:40:40,534 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-06 19:40:40,544 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-06 19:40:40,546 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-06 19:40:40,550 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-06 19:40:40,551 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-06 19:40:40,552 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-06 19:40:40,552 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-06 19:40:40,555 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-06 19:40:40,556 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-06 19:40:40,557 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-06 19:40:40,559 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-06 19:40:40,560 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-06 19:40:40,564 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-06 19:40:40,568 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-06 19:40:40,574 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-06 19:40:40,577 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-06 19:40:40,578 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-06 19:40:40,581 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-06 19:40:40,583 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-06 19:40:40,583 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-06 19:40:40,584 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-06 19:40:40,586 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-06 19:40:40,587 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-06 19:40:40,590 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-06 19:40:40,590 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-06 19:40:40,591 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-06 19:40:40,592 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-06 19:40:40,592 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-06 19:40:40,594 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-06 19:40:40,594 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-06 19:40:40,595 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-06 19:40:40,595 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-06 19:40:40,595 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-06 19:40:40,599 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-06 19:40:40,600 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-06 19:40:40,601 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-06 19:40:40,620 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-06 19:40:40,621 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-06 19:40:40,623 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-06 19:40:40,623 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-06 19:40:40,623 INFO L138 SettingsManager]: * Use SBE=true [2019-11-06 19:40:40,623 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-06 19:40:40,624 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-06 19:40:40,624 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-06 19:40:40,624 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-06 19:40:40,624 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-06 19:40:40,625 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-06 19:40:40,625 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-06 19:40:40,626 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-06 19:40:40,626 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-06 19:40:40,626 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-06 19:40:40,626 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-06 19:40:40,626 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-06 19:40:40,627 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-06 19:40:40,627 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-06 19:40:40,627 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-06 19:40:40,627 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-06 19:40:40,627 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-06 19:40:40,628 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-06 19:40:40,628 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-06 19:40:40,628 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-06 19:40:40,628 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-06 19:40:40,628 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-06 19:40:40,629 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-06 19:40:40,629 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-06 19:40:40,895 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-06 19:40:40,916 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-06 19:40:40,920 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-06 19:40:40,922 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-06 19:40:40,923 INFO L275 PluginConnector]: CDTParser initialized [2019-11-06 19:40:40,923 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--isdn--mISDN--l1oip.ko-main.cil.out.i [2019-11-06 19:40:40,991 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82a214b9a/b66dc261f9fb4d3b835d242c2c0af393/FLAG31a911fa3 [2019-11-06 19:40:41,830 INFO L306 CDTParser]: Found 1 translation units. [2019-11-06 19:40:41,830 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--isdn--mISDN--l1oip.ko-main.cil.out.i [2019-11-06 19:40:41,876 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82a214b9a/b66dc261f9fb4d3b835d242c2c0af393/FLAG31a911fa3 [2019-11-06 19:40:42,363 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82a214b9a/b66dc261f9fb4d3b835d242c2c0af393 [2019-11-06 19:40:42,372 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-06 19:40:42,374 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-06 19:40:42,375 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-06 19:40:42,375 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-06 19:40:42,379 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-06 19:40:42,380 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 07:40:42" (1/1) ... [2019-11-06 19:40:42,383 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e879d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:40:42, skipping insertion in model container [2019-11-06 19:40:42,383 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 07:40:42" (1/1) ... [2019-11-06 19:40:42,391 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-06 19:40:42,527 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-06 19:40:44,615 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 19:40:44,739 INFO L188 MainTranslator]: Completed pre-run [2019-11-06 19:40:45,084 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 19:40:45,318 INFO L192 MainTranslator]: Completed translation [2019-11-06 19:40:45,319 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:40:45 WrapperNode [2019-11-06 19:40:45,319 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-06 19:40:45,320 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-06 19:40:45,320 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-06 19:40:45,320 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-06 19:40:45,336 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:40:45" (1/1) ... [2019-11-06 19:40:45,337 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:40:45" (1/1) ... [2019-11-06 19:40:45,422 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:40:45" (1/1) ... [2019-11-06 19:40:45,423 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:40:45" (1/1) ... [2019-11-06 19:40:45,539 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:40:45" (1/1) ... [2019-11-06 19:40:45,568 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:40:45" (1/1) ... [2019-11-06 19:40:45,610 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:40:45" (1/1) ... [2019-11-06 19:40:45,638 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-06 19:40:45,639 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-06 19:40:45,639 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-06 19:40:45,639 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-06 19:40:45,641 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:40:45" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-06 19:40:45,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-06 19:40:45,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-06 19:40:45,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-11-06 19:40:45,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2019-11-06 19:40:45,700 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2019-11-06 19:40:45,700 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2019-11-06 19:40:45,700 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-11-06 19:40:45,700 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2019-11-06 19:40:45,701 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_swab32 [2019-11-06 19:40:45,701 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2019-11-06 19:40:45,701 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2019-11-06 19:40:45,701 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-11-06 19:40:45,701 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2019-11-06 19:40:45,702 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2019-11-06 19:40:45,702 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2019-11-06 19:40:45,702 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-11-06 19:40:45,703 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-11-06 19:40:45,703 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ti_thread_flag [2019-11-06 19:40:45,703 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-11-06 19:40:45,706 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-11-06 19:40:45,707 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-11-06 19:40:45,707 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2019-11-06 19:40:45,707 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_pending [2019-11-06 19:40:45,707 INFO L138 BoogieDeclarations]: Found implementation of procedure test_channelmap [2019-11-06 19:40:45,707 INFO L138 BoogieDeclarations]: Found implementation of procedure set_channelmap [2019-11-06 19:40:45,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-11-06 19:40:45,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-06 19:40:45,708 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-11-06 19:40:45,708 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-11-06 19:40:45,708 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-11-06 19:40:45,708 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2019-11-06 19:40:45,708 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2019-11-06 19:40:45,709 INFO L138 BoogieDeclarations]: Found implementation of procedure test_tsk_thread_flag [2019-11-06 19:40:45,709 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2019-11-06 19:40:45,709 INFO L138 BoogieDeclarations]: Found implementation of procedure mI_alloc_skb [2019-11-06 19:40:45,709 INFO L138 BoogieDeclarations]: Found implementation of procedure _alloc_mISDN_skb [2019-11-06 19:40:45,709 INFO L138 BoogieDeclarations]: Found implementation of procedure _queue_data [2019-11-06 19:40:45,709 INFO L138 BoogieDeclarations]: Found implementation of procedure l1oip_socket_send [2019-11-06 19:40:45,709 INFO L138 BoogieDeclarations]: Found implementation of procedure l1oip_socket_recv [2019-11-06 19:40:45,710 INFO L138 BoogieDeclarations]: Found implementation of procedure l1oip_socket_parse [2019-11-06 19:40:45,711 INFO L138 BoogieDeclarations]: Found implementation of procedure l1oip_socket_thread [2019-11-06 19:40:45,711 INFO L138 BoogieDeclarations]: Found implementation of procedure l1oip_socket_close [2019-11-06 19:40:45,711 INFO L138 BoogieDeclarations]: Found implementation of procedure l1oip_socket_open [2019-11-06 19:40:45,711 INFO L138 BoogieDeclarations]: Found implementation of procedure l1oip_send_bh [2019-11-06 19:40:45,712 INFO L138 BoogieDeclarations]: Found implementation of procedure l1oip_keepalive [2019-11-06 19:40:45,712 INFO L138 BoogieDeclarations]: Found implementation of procedure l1oip_timeout [2019-11-06 19:40:45,712 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_dmsg [2019-11-06 19:40:45,712 INFO L138 BoogieDeclarations]: Found implementation of procedure channel_dctrl [2019-11-06 19:40:45,712 INFO L138 BoogieDeclarations]: Found implementation of procedure open_dchannel [2019-11-06 19:40:45,712 INFO L138 BoogieDeclarations]: Found implementation of procedure open_bchannel [2019-11-06 19:40:45,712 INFO L138 BoogieDeclarations]: Found implementation of procedure l1oip_dctrl [2019-11-06 19:40:45,713 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_bmsg [2019-11-06 19:40:45,713 INFO L138 BoogieDeclarations]: Found implementation of procedure channel_bctrl [2019-11-06 19:40:45,713 INFO L138 BoogieDeclarations]: Found implementation of procedure l1oip_bctrl [2019-11-06 19:40:45,713 INFO L138 BoogieDeclarations]: Found implementation of procedure release_card [2019-11-06 19:40:45,713 INFO L138 BoogieDeclarations]: Found implementation of procedure l1oip_cleanup [2019-11-06 19:40:45,713 INFO L138 BoogieDeclarations]: Found implementation of procedure init_card [2019-11-06 19:40:45,713 INFO L138 BoogieDeclarations]: Found implementation of procedure l1oip_init [2019-11-06 19:40:45,713 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-06 19:40:45,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2019-11-06 19:40:45,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2019-11-06 19:40:45,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2019-11-06 19:40:45,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_4 [2019-11-06 19:40:45,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2019-11-06 19:40:45,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_6 [2019-11-06 19:40:45,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2019-11-06 19:40:45,716 INFO L138 BoogieDeclarations]: Found implementation of procedure l1oip_law_to_4bit [2019-11-06 19:40:45,716 INFO L138 BoogieDeclarations]: Found implementation of procedure l1oip_4bit_to_law [2019-11-06 19:40:45,716 INFO L138 BoogieDeclarations]: Found implementation of procedure l1oip_alaw_to_ulaw [2019-11-06 19:40:45,717 INFO L138 BoogieDeclarations]: Found implementation of procedure l1oip_ulaw_to_alaw [2019-11-06 19:40:45,717 INFO L138 BoogieDeclarations]: Found implementation of procedure l1oip_4bit_free [2019-11-06 19:40:45,717 INFO L138 BoogieDeclarations]: Found implementation of procedure l1oip_4bit_alloc [2019-11-06 19:40:45,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_15 [2019-11-06 19:40:45,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_16 [2019-11-06 19:40:45,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_17 [2019-11-06 19:40:45,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_18 [2019-11-06 19:40:45,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_19 [2019-11-06 19:40:45,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_20 [2019-11-06 19:40:45,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_21 [2019-11-06 19:40:45,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-11-06 19:40:45,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-11-06 19:40:45,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-11-06 19:40:45,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2019-11-06 19:40:45,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2019-11-06 19:40:45,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2019-11-06 19:40:45,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2019-11-06 19:40:45,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2019-11-06 19:40:45,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2019-11-06 19:40:45,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2019-11-06 19:40:45,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2019-11-06 19:40:45,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2019-11-06 19:40:45,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2019-11-06 19:40:45,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2019-11-06 19:40:45,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-11-06 19:40:45,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2019-11-06 19:40:45,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2019-11-06 19:40:45,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-11-06 19:40:45,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2019-11-06 19:40:45,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2019-11-06 19:40:45,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2019-11-06 19:40:45,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-11-06 19:40:45,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2019-11-06 19:40:45,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2019-11-06 19:40:45,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-11-06 19:40:45,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-11-06 19:40:45,725 INFO L138 BoogieDeclarations]: Found implementation of procedure __alloc_skb [2019-11-06 19:40:45,725 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-11-06 19:40:45,725 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2019-11-06 19:40:45,725 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-11-06 19:40:45,726 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-11-06 19:40:45,726 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-11-06 19:40:45,726 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-11-06 19:40:45,726 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2019-11-06 19:40:45,726 INFO L138 BoogieDeclarations]: Found implementation of procedure allow_signal [2019-11-06 19:40:45,727 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2019-11-06 19:40:45,727 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2019-11-06 19:40:45,727 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2019-11-06 19:40:45,727 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2019-11-06 19:40:45,727 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2019-11-06 19:40:45,727 INFO L138 BoogieDeclarations]: Found implementation of procedure kernel_recvmsg [2019-11-06 19:40:45,728 INFO L138 BoogieDeclarations]: Found implementation of procedure kernel_sendmsg [2019-11-06 19:40:45,728 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_create_on_node [2019-11-06 19:40:45,728 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2019-11-06 19:40:45,728 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2019-11-06 19:40:45,729 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_freebchannel [2019-11-06 19:40:45,729 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_freedchannel [2019-11-06 19:40:45,729 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_initbchannel [2019-11-06 19:40:45,732 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_initdchannel [2019-11-06 19:40:45,732 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_register_device [2019-11-06 19:40:45,732 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_unregister_device [2019-11-06 19:40:45,733 INFO L138 BoogieDeclarations]: Found implementation of procedure memchr_inv [2019-11-06 19:40:45,733 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2019-11-06 19:40:45,733 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-11-06 19:40:45,733 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2019-11-06 19:40:45,734 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-11-06 19:40:45,734 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-11-06 19:40:45,734 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_ch_frame [2019-11-06 19:40:45,734 INFO L138 BoogieDeclarations]: Found implementation of procedure recv_Dchannel [2019-11-06 19:40:45,734 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2019-11-06 19:40:45,735 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2019-11-06 19:40:45,738 INFO L138 BoogieDeclarations]: Found implementation of procedure send_sig [2019-11-06 19:40:45,739 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-11-06 19:40:45,739 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2019-11-06 19:40:45,739 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_create [2019-11-06 19:40:45,747 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_release [2019-11-06 19:40:45,747 INFO L138 BoogieDeclarations]: Found implementation of procedure try_module_get [2019-11-06 19:40:45,747 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2019-11-06 19:40:45,747 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2019-11-06 19:40:45,747 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2019-11-06 19:40:45,747 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2019-11-06 19:40:45,747 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-11-06 19:40:45,748 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-11-06 19:40:45,748 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-06 19:40:45,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-06 19:40:45,748 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-06 19:40:45,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-11-06 19:40:45,748 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2019-11-06 19:40:45,749 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2019-11-06 19:40:45,749 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-11-06 19:40:45,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-06 19:40:45,750 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2019-11-06 19:40:45,750 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_swab32 [2019-11-06 19:40:45,750 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2019-11-06 19:40:45,750 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2019-11-06 19:40:45,750 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-11-06 19:40:45,751 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-11-06 19:40:45,751 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-11-06 19:40:45,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-06 19:40:45,751 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-11-06 19:40:45,751 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2019-11-06 19:40:45,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-06 19:40:45,751 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2019-11-06 19:40:45,752 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2019-11-06 19:40:45,752 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-11-06 19:40:45,752 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2019-11-06 19:40:45,752 INFO L130 BoogieDeclarations]: Found specification of procedure memchr_inv [2019-11-06 19:40:45,752 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-11-06 19:40:45,752 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-11-06 19:40:45,752 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2019-11-06 19:40:45,752 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2019-11-06 19:40:45,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_4 [2019-11-06 19:40:45,753 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-11-06 19:40:45,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2019-11-06 19:40:45,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2019-11-06 19:40:45,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2019-11-06 19:40:45,753 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-11-06 19:40:45,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2019-11-06 19:40:45,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2019-11-06 19:40:45,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_6 [2019-11-06 19:40:45,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2019-11-06 19:40:45,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2019-11-06 19:40:45,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2019-11-06 19:40:45,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2019-11-06 19:40:45,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2019-11-06 19:40:45,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2019-11-06 19:40:45,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2019-11-06 19:40:45,755 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-06 19:40:45,755 INFO L130 BoogieDeclarations]: Found specification of procedure test_ti_thread_flag [2019-11-06 19:40:45,755 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-11-06 19:40:45,755 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-11-06 19:40:45,756 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-11-06 19:40:45,756 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-11-06 19:40:45,756 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-11-06 19:40:45,756 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-11-06 19:40:45,756 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-11-06 19:40:45,756 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2019-11-06 19:40:45,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-06 19:40:45,756 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-06 19:40:45,758 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2019-11-06 19:40:45,758 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2019-11-06 19:40:45,758 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2019-11-06 19:40:45,758 INFO L130 BoogieDeclarations]: Found specification of procedure timer_pending [2019-11-06 19:40:45,759 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2019-11-06 19:40:45,759 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2019-11-06 19:40:45,759 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2019-11-06 19:40:45,759 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2019-11-06 19:40:45,759 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2019-11-06 19:40:45,759 INFO L130 BoogieDeclarations]: Found specification of procedure try_module_get [2019-11-06 19:40:45,759 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2019-11-06 19:40:45,759 INFO L130 BoogieDeclarations]: Found specification of procedure test_channelmap [2019-11-06 19:40:45,760 INFO L130 BoogieDeclarations]: Found specification of procedure set_channelmap [2019-11-06 19:40:45,760 INFO L130 BoogieDeclarations]: Found specification of procedure sock_create [2019-11-06 19:40:45,760 INFO L130 BoogieDeclarations]: Found specification of procedure sock_release [2019-11-06 19:40:45,760 INFO L130 BoogieDeclarations]: Found specification of procedure kernel_sendmsg [2019-11-06 19:40:45,760 INFO L130 BoogieDeclarations]: Found specification of procedure kernel_recvmsg [2019-11-06 19:40:45,760 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-06 19:40:45,760 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-11-06 19:40:45,760 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-06 19:40:45,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-11-06 19:40:45,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-06 19:40:45,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-06 19:40:45,761 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-11-06 19:40:45,761 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-11-06 19:40:45,761 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-11-06 19:40:45,761 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2019-11-06 19:40:45,761 INFO L130 BoogieDeclarations]: Found specification of procedure __alloc_skb [2019-11-06 19:40:45,762 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2019-11-06 19:40:45,762 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-11-06 19:40:45,762 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2019-11-06 19:40:45,762 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2019-11-06 19:40:45,762 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2019-11-06 19:40:45,762 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2019-11-06 19:40:45,762 INFO L130 BoogieDeclarations]: Found specification of procedure send_sig [2019-11-06 19:40:45,762 INFO L130 BoogieDeclarations]: Found specification of procedure allow_signal [2019-11-06 19:40:45,762 INFO L130 BoogieDeclarations]: Found specification of procedure test_tsk_thread_flag [2019-11-06 19:40:45,763 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2019-11-06 19:40:45,763 INFO L130 BoogieDeclarations]: Found specification of procedure mI_alloc_skb [2019-11-06 19:40:45,763 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-06 19:40:45,763 INFO L130 BoogieDeclarations]: Found specification of procedure _alloc_mISDN_skb [2019-11-06 19:40:45,763 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-06 19:40:45,763 INFO L130 BoogieDeclarations]: Found specification of procedure _queue_data [2019-11-06 19:40:45,763 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-11-06 19:40:45,763 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_register_device [2019-11-06 19:40:45,764 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_unregister_device [2019-11-06 19:40:45,764 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_initdchannel [2019-11-06 19:40:45,764 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_initbchannel [2019-11-06 19:40:45,764 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_freedchannel [2019-11-06 19:40:45,764 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_freebchannel [2019-11-06 19:40:45,764 INFO L130 BoogieDeclarations]: Found specification of procedure queue_ch_frame [2019-11-06 19:40:45,764 INFO L130 BoogieDeclarations]: Found specification of procedure recv_Dchannel [2019-11-06 19:40:45,764 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_create_on_node [2019-11-06 19:40:45,765 INFO L130 BoogieDeclarations]: Found specification of procedure l1oip_law_to_4bit [2019-11-06 19:40:45,765 INFO L130 BoogieDeclarations]: Found specification of procedure l1oip_4bit_to_law [2019-11-06 19:40:45,765 INFO L130 BoogieDeclarations]: Found specification of procedure l1oip_alaw_to_ulaw [2019-11-06 19:40:45,765 INFO L130 BoogieDeclarations]: Found specification of procedure l1oip_ulaw_to_alaw [2019-11-06 19:40:45,765 INFO L130 BoogieDeclarations]: Found specification of procedure l1oip_4bit_free [2019-11-06 19:40:45,766 INFO L130 BoogieDeclarations]: Found specification of procedure l1oip_4bit_alloc [2019-11-06 19:40:45,771 INFO L130 BoogieDeclarations]: Found specification of procedure l1oip_socket_send [2019-11-06 19:40:45,771 INFO L130 BoogieDeclarations]: Found specification of procedure l1oip_socket_recv [2019-11-06 19:40:45,771 INFO L130 BoogieDeclarations]: Found specification of procedure l1oip_socket_parse [2019-11-06 19:40:45,771 INFO L130 BoogieDeclarations]: Found specification of procedure l1oip_socket_thread [2019-11-06 19:40:45,772 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2019-11-06 19:40:45,774 INFO L130 BoogieDeclarations]: Found specification of procedure l1oip_socket_close [2019-11-06 19:40:45,775 INFO L130 BoogieDeclarations]: Found specification of procedure l1oip_socket_open [2019-11-06 19:40:45,775 INFO L130 BoogieDeclarations]: Found specification of procedure l1oip_send_bh [2019-11-06 19:40:45,775 INFO L130 BoogieDeclarations]: Found specification of procedure l1oip_keepalive [2019-11-06 19:40:45,775 INFO L130 BoogieDeclarations]: Found specification of procedure l1oip_timeout [2019-11-06 19:40:45,775 INFO L130 BoogieDeclarations]: Found specification of procedure handle_dmsg [2019-11-06 19:40:45,775 INFO L130 BoogieDeclarations]: Found specification of procedure channel_dctrl [2019-11-06 19:40:45,775 INFO L130 BoogieDeclarations]: Found specification of procedure open_dchannel [2019-11-06 19:40:45,776 INFO L130 BoogieDeclarations]: Found specification of procedure open_bchannel [2019-11-06 19:40:45,776 INFO L130 BoogieDeclarations]: Found specification of procedure l1oip_dctrl [2019-11-06 19:40:45,776 INFO L130 BoogieDeclarations]: Found specification of procedure handle_bmsg [2019-11-06 19:40:45,776 INFO L130 BoogieDeclarations]: Found specification of procedure channel_bctrl [2019-11-06 19:40:45,776 INFO L130 BoogieDeclarations]: Found specification of procedure l1oip_bctrl [2019-11-06 19:40:45,777 INFO L130 BoogieDeclarations]: Found specification of procedure release_card [2019-11-06 19:40:45,777 INFO L130 BoogieDeclarations]: Found specification of procedure l1oip_cleanup [2019-11-06 19:40:45,777 INFO L130 BoogieDeclarations]: Found specification of procedure init_card [2019-11-06 19:40:45,777 INFO L130 BoogieDeclarations]: Found specification of procedure l1oip_init [2019-11-06 19:40:45,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-11-06 19:40:45,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-11-06 19:40:45,777 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-06 19:40:45,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_18 [2019-11-06 19:40:45,777 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_16 [2019-11-06 19:40:45,778 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_19 [2019-11-06 19:40:45,778 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_21 [2019-11-06 19:40:45,778 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_15 [2019-11-06 19:40:45,778 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_17 [2019-11-06 19:40:45,778 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_20 [2019-11-06 19:40:45,778 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2019-11-06 19:40:45,778 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2019-11-06 19:40:45,778 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-11-06 19:40:45,778 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-11-06 19:40:45,779 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2019-11-06 19:40:45,779 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2019-11-06 19:40:45,779 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2019-11-06 19:40:45,779 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2019-11-06 19:40:45,779 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2019-11-06 19:40:45,779 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2019-11-06 19:40:45,779 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2019-11-06 19:40:45,779 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2019-11-06 19:40:45,779 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-11-06 19:40:45,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2019-11-06 19:40:45,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-11-06 19:40:45,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2019-11-06 19:40:45,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-11-06 19:40:45,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2019-11-06 19:40:45,780 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-11-06 19:40:45,780 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-11-06 19:40:45,780 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-11-06 19:40:45,780 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-06 19:40:45,781 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-06 19:40:45,781 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-06 19:40:45,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-06 19:40:45,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-06 19:40:45,781 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-06 19:40:45,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-11-06 19:40:45,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-11-06 19:40:45,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-06 19:40:45,782 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-06 19:41:02,202 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-06 19:41:02,203 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-11-06 19:41:02,205 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 07:41:02 BoogieIcfgContainer [2019-11-06 19:41:02,205 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-06 19:41:02,206 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-06 19:41:02,206 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-06 19:41:02,209 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-06 19:41:02,209 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 07:40:42" (1/3) ... [2019-11-06 19:41:02,210 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2258cba0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 07:41:02, skipping insertion in model container [2019-11-06 19:41:02,210 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 07:40:45" (2/3) ... [2019-11-06 19:41:02,211 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2258cba0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 07:41:02, skipping insertion in model container [2019-11-06 19:41:02,211 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 07:41:02" (3/3) ... [2019-11-06 19:41:02,213 INFO L109 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--isdn--mISDN--l1oip.ko-main.cil.out.i [2019-11-06 19:41:02,221 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-06 19:41:02,230 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-06 19:41:02,240 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-06 19:41:02,273 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-06 19:41:02,273 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-06 19:41:02,273 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-06 19:41:02,273 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-06 19:41:02,273 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-06 19:41:02,273 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-06 19:41:02,274 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-06 19:41:02,274 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-06 19:41:02,313 INFO L276 IsEmpty]: Start isEmpty. Operand 1076 states. [2019-11-06 19:41:02,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-06 19:41:02,322 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 19:41:02,323 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 19:41:02,325 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 19:41:02,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 19:41:02,331 INFO L82 PathProgramCache]: Analyzing trace with hash -842118964, now seen corresponding path program 1 times [2019-11-06 19:41:02,339 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 19:41:02,339 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481742468] [2019-11-06 19:41:02,339 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 19:41:02,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:41:10,469 WARN L191 SmtUtils]: Spent 7.06 s on a formula simplification that was a NOOP. DAG size: 1201 [2019-11-06 19:41:10,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:41:10,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:41:10,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:41:10,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 19:41:10,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 19:41:10,830 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1481742468] [2019-11-06 19:41:10,831 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 19:41:10,831 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-06 19:41:10,832 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018211555] [2019-11-06 19:41:10,837 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-06 19:41:10,837 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 19:41:10,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-06 19:41:10,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-11-06 19:41:10,855 INFO L87 Difference]: Start difference. First operand 1076 states. Second operand 7 states. [2019-11-06 19:41:17,889 WARN L191 SmtUtils]: Spent 6.97 s on a formula simplification that was a NOOP. DAG size: 1207