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-f4eb214f-m [2019-10-13 18:18:12,861 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 18:18:12,867 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 18:18:12,883 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 18:18:12,884 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 18:18:12,885 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 18:18:12,886 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 18:18:12,888 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 18:18:12,890 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 18:18:12,890 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 18:18:12,891 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 18:18:12,893 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 18:18:12,893 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 18:18:12,894 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 18:18:12,895 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 18:18:12,896 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 18:18:12,897 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 18:18:12,898 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 18:18:12,900 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 18:18:12,902 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 18:18:12,904 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 18:18:12,905 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 18:18:12,907 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 18:18:12,907 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 18:18:12,910 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 18:18:12,910 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 18:18:12,910 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 18:18:12,911 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 18:18:12,912 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 18:18:12,913 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 18:18:12,913 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 18:18:12,914 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 18:18:12,914 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 18:18:12,915 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 18:18:12,916 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 18:18:12,916 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 18:18:12,917 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 18:18:12,917 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 18:18:12,917 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 18:18:12,918 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 18:18:12,919 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 18:18:12,920 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 18:18:12,934 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 18:18:12,934 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 18:18:12,936 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 18:18:12,936 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 18:18:12,936 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 18:18:12,936 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 18:18:12,937 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 18:18:12,937 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 18:18:12,937 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 18:18:12,937 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 18:18:12,937 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 18:18:12,937 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 18:18:12,938 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 18:18:12,938 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 18:18:12,938 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 18:18:12,938 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 18:18:12,938 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 18:18:12,939 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 18:18:12,939 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 18:18:12,939 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 18:18:12,939 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 18:18:12,939 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 18:18:12,940 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 18:18:12,940 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 18:18:12,940 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 18:18:12,940 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 18:18:12,940 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 18:18:12,941 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 18:18:12,941 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-13 18:18:13,225 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 18:18:13,243 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 18:18:13,247 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 18:18:13,248 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 18:18:13,249 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 18:18:13,249 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--isdn--mISDN--l1oip.ko-main.cil.out.i [2019-10-13 18:18:13,312 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/904695fba/92e5b49f2c6a4141ae72458fdd8e3195/FLAG0f1ab6133 [2019-10-13 18:18:14,121 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 18:18:14,122 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--isdn--mISDN--l1oip.ko-main.cil.out.i [2019-10-13 18:18:14,171 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/904695fba/92e5b49f2c6a4141ae72458fdd8e3195/FLAG0f1ab6133 [2019-10-13 18:18:14,643 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/904695fba/92e5b49f2c6a4141ae72458fdd8e3195 [2019-10-13 18:18:14,653 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 18:18:14,654 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 18:18:14,655 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 18:18:14,655 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 18:18:14,659 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 18:18:14,660 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:18:14" (1/1) ... [2019-10-13 18:18:14,663 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fffa5f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:18:14, skipping insertion in model container [2019-10-13 18:18:14,663 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:18:14" (1/1) ... [2019-10-13 18:18:14,669 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 18:18:14,824 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 18:18:16,787 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 18:18:16,864 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 18:18:17,162 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 18:18:17,415 INFO L192 MainTranslator]: Completed translation [2019-10-13 18:18:17,416 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:18:17 WrapperNode [2019-10-13 18:18:17,417 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 18:18:17,418 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 18:18:17,418 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 18:18:17,418 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 18:18:17,433 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:18:17" (1/1) ... [2019-10-13 18:18:17,434 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:18:17" (1/1) ... [2019-10-13 18:18:17,523 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:18:17" (1/1) ... [2019-10-13 18:18:17,523 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:18:17" (1/1) ... [2019-10-13 18:18:17,671 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:18:17" (1/1) ... [2019-10-13 18:18:17,690 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:18:17" (1/1) ... [2019-10-13 18:18:17,726 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:18:17" (1/1) ... [2019-10-13 18:18:17,762 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 18:18:17,762 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 18:18:17,763 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 18:18:17,763 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 18:18:17,764 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:18:17" (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 18:18:17,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 18:18:17,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 18:18:17,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-13 18:18:17,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2019-10-13 18:18:17,841 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2019-10-13 18:18:17,843 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2019-10-13 18:18:17,843 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-10-13 18:18:17,843 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2019-10-13 18:18:17,843 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_swab32 [2019-10-13 18:18:17,844 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2019-10-13 18:18:17,844 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2019-10-13 18:18:17,845 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-10-13 18:18:17,847 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2019-10-13 18:18:17,847 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2019-10-13 18:18:17,849 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2019-10-13 18:18:17,849 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2019-10-13 18:18:17,854 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2019-10-13 18:18:17,854 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ti_thread_flag [2019-10-13 18:18:17,855 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-13 18:18:17,855 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-10-13 18:18:17,856 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-10-13 18:18:17,856 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2019-10-13 18:18:17,856 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_pending [2019-10-13 18:18:17,856 INFO L138 BoogieDeclarations]: Found implementation of procedure test_channelmap [2019-10-13 18:18:17,857 INFO L138 BoogieDeclarations]: Found implementation of procedure set_channelmap [2019-10-13 18:18:17,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-13 18:18:17,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-13 18:18:17,857 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-13 18:18:17,857 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-13 18:18:17,858 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-13 18:18:17,858 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2019-10-13 18:18:17,858 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2019-10-13 18:18:17,858 INFO L138 BoogieDeclarations]: Found implementation of procedure test_tsk_thread_flag [2019-10-13 18:18:17,859 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2019-10-13 18:18:17,859 INFO L138 BoogieDeclarations]: Found implementation of procedure mI_alloc_skb [2019-10-13 18:18:17,860 INFO L138 BoogieDeclarations]: Found implementation of procedure _alloc_mISDN_skb [2019-10-13 18:18:17,860 INFO L138 BoogieDeclarations]: Found implementation of procedure _queue_data [2019-10-13 18:18:17,860 INFO L138 BoogieDeclarations]: Found implementation of procedure l1oip_socket_send [2019-10-13 18:18:17,860 INFO L138 BoogieDeclarations]: Found implementation of procedure l1oip_socket_recv [2019-10-13 18:18:17,860 INFO L138 BoogieDeclarations]: Found implementation of procedure l1oip_socket_parse [2019-10-13 18:18:17,861 INFO L138 BoogieDeclarations]: Found implementation of procedure l1oip_socket_thread [2019-10-13 18:18:17,861 INFO L138 BoogieDeclarations]: Found implementation of procedure l1oip_socket_close [2019-10-13 18:18:17,861 INFO L138 BoogieDeclarations]: Found implementation of procedure l1oip_socket_open [2019-10-13 18:18:17,862 INFO L138 BoogieDeclarations]: Found implementation of procedure l1oip_send_bh [2019-10-13 18:18:17,862 INFO L138 BoogieDeclarations]: Found implementation of procedure l1oip_keepalive [2019-10-13 18:18:17,862 INFO L138 BoogieDeclarations]: Found implementation of procedure l1oip_timeout [2019-10-13 18:18:17,862 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_dmsg [2019-10-13 18:18:17,862 INFO L138 BoogieDeclarations]: Found implementation of procedure channel_dctrl [2019-10-13 18:18:17,863 INFO L138 BoogieDeclarations]: Found implementation of procedure open_dchannel [2019-10-13 18:18:17,863 INFO L138 BoogieDeclarations]: Found implementation of procedure open_bchannel [2019-10-13 18:18:17,863 INFO L138 BoogieDeclarations]: Found implementation of procedure l1oip_dctrl [2019-10-13 18:18:17,863 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_bmsg [2019-10-13 18:18:17,864 INFO L138 BoogieDeclarations]: Found implementation of procedure channel_bctrl [2019-10-13 18:18:17,864 INFO L138 BoogieDeclarations]: Found implementation of procedure l1oip_bctrl [2019-10-13 18:18:17,864 INFO L138 BoogieDeclarations]: Found implementation of procedure release_card [2019-10-13 18:18:17,865 INFO L138 BoogieDeclarations]: Found implementation of procedure l1oip_cleanup [2019-10-13 18:18:17,865 INFO L138 BoogieDeclarations]: Found implementation of procedure init_card [2019-10-13 18:18:17,865 INFO L138 BoogieDeclarations]: Found implementation of procedure l1oip_init [2019-10-13 18:18:17,865 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 18:18:17,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2019-10-13 18:18:17,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2019-10-13 18:18:17,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2019-10-13 18:18:17,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_4 [2019-10-13 18:18:17,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2019-10-13 18:18:17,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_6 [2019-10-13 18:18:17,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2019-10-13 18:18:17,867 INFO L138 BoogieDeclarations]: Found implementation of procedure l1oip_law_to_4bit [2019-10-13 18:18:17,867 INFO L138 BoogieDeclarations]: Found implementation of procedure l1oip_4bit_to_law [2019-10-13 18:18:17,868 INFO L138 BoogieDeclarations]: Found implementation of procedure l1oip_alaw_to_ulaw [2019-10-13 18:18:17,868 INFO L138 BoogieDeclarations]: Found implementation of procedure l1oip_ulaw_to_alaw [2019-10-13 18:18:17,868 INFO L138 BoogieDeclarations]: Found implementation of procedure l1oip_4bit_free [2019-10-13 18:18:17,869 INFO L138 BoogieDeclarations]: Found implementation of procedure l1oip_4bit_alloc [2019-10-13 18:18:17,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_15 [2019-10-13 18:18:17,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_16 [2019-10-13 18:18:17,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_17 [2019-10-13 18:18:17,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_18 [2019-10-13 18:18:17,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_19 [2019-10-13 18:18:17,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_20 [2019-10-13 18:18:17,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_21 [2019-10-13 18:18:17,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-13 18:18:17,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-13 18:18:17,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-13 18:18:17,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2019-10-13 18:18:17,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2019-10-13 18:18:17,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2019-10-13 18:18:17,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2019-10-13 18:18:17,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2019-10-13 18:18:17,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2019-10-13 18:18:17,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2019-10-13 18:18:17,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2019-10-13 18:18:17,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2019-10-13 18:18:17,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2019-10-13 18:18:17,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2019-10-13 18:18:17,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-13 18:18:17,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2019-10-13 18:18:17,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2019-10-13 18:18:17,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-13 18:18:17,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-13 18:18:17,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2019-10-13 18:18:17,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2019-10-13 18:18:17,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-13 18:18:17,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-13 18:18:17,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2019-10-13 18:18:17,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-13 18:18:17,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-13 18:18:17,878 INFO L138 BoogieDeclarations]: Found implementation of procedure __alloc_skb [2019-10-13 18:18:17,878 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2019-10-13 18:18:17,878 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2019-10-13 18:18:17,878 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-10-13 18:18:17,878 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-13 18:18:17,878 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-10-13 18:18:17,878 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-10-13 18:18:17,879 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2019-10-13 18:18:17,879 INFO L138 BoogieDeclarations]: Found implementation of procedure allow_signal [2019-10-13 18:18:17,879 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2019-10-13 18:18:17,879 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2019-10-13 18:18:17,879 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2019-10-13 18:18:17,880 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2019-10-13 18:18:17,880 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2019-10-13 18:18:17,880 INFO L138 BoogieDeclarations]: Found implementation of procedure kernel_recvmsg [2019-10-13 18:18:17,880 INFO L138 BoogieDeclarations]: Found implementation of procedure kernel_sendmsg [2019-10-13 18:18:17,881 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_create_on_node [2019-10-13 18:18:17,881 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2019-10-13 18:18:17,881 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2019-10-13 18:18:17,882 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_freebchannel [2019-10-13 18:18:17,883 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_freedchannel [2019-10-13 18:18:17,883 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_initbchannel [2019-10-13 18:18:17,883 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_initdchannel [2019-10-13 18:18:17,883 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_register_device [2019-10-13 18:18:17,883 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_unregister_device [2019-10-13 18:18:17,884 INFO L138 BoogieDeclarations]: Found implementation of procedure memchr_inv [2019-10-13 18:18:17,884 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2019-10-13 18:18:17,885 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-10-13 18:18:17,885 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2019-10-13 18:18:17,885 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-13 18:18:17,885 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-13 18:18:17,885 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_ch_frame [2019-10-13 18:18:17,886 INFO L138 BoogieDeclarations]: Found implementation of procedure recv_Dchannel [2019-10-13 18:18:17,886 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2019-10-13 18:18:17,887 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2019-10-13 18:18:17,891 INFO L138 BoogieDeclarations]: Found implementation of procedure send_sig [2019-10-13 18:18:17,892 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-10-13 18:18:17,892 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2019-10-13 18:18:17,893 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_create [2019-10-13 18:18:17,902 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_release [2019-10-13 18:18:17,902 INFO L138 BoogieDeclarations]: Found implementation of procedure try_module_get [2019-10-13 18:18:17,902 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2019-10-13 18:18:17,902 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2019-10-13 18:18:17,903 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2019-10-13 18:18:17,903 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2019-10-13 18:18:17,903 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-13 18:18:17,903 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-13 18:18:17,904 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-13 18:18:17,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 18:18:17,905 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 18:18:17,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-13 18:18:17,906 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2019-10-13 18:18:17,906 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2019-10-13 18:18:17,906 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-10-13 18:18:17,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 18:18:17,906 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2019-10-13 18:18:17,906 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_swab32 [2019-10-13 18:18:17,907 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2019-10-13 18:18:17,907 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2019-10-13 18:18:17,907 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-13 18:18:17,907 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-10-13 18:18:17,907 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-10-13 18:18:17,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 18:18:17,908 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-10-13 18:18:17,908 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2019-10-13 18:18:17,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 18:18:17,908 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2019-10-13 18:18:17,908 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2019-10-13 18:18:17,909 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-10-13 18:18:17,909 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2019-10-13 18:18:17,909 INFO L130 BoogieDeclarations]: Found specification of procedure memchr_inv [2019-10-13 18:18:17,909 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2019-10-13 18:18:17,910 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2019-10-13 18:18:17,910 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2019-10-13 18:18:17,910 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2019-10-13 18:18:17,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_4 [2019-10-13 18:18:17,910 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-13 18:18:17,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2019-10-13 18:18:17,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2019-10-13 18:18:17,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2019-10-13 18:18:17,911 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-10-13 18:18:17,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2019-10-13 18:18:17,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2019-10-13 18:18:17,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_6 [2019-10-13 18:18:17,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2019-10-13 18:18:17,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2019-10-13 18:18:17,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2019-10-13 18:18:17,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2019-10-13 18:18:17,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2019-10-13 18:18:17,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2019-10-13 18:18:17,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2019-10-13 18:18:17,914 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 18:18:17,914 INFO L130 BoogieDeclarations]: Found specification of procedure test_ti_thread_flag [2019-10-13 18:18:17,915 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-13 18:18:17,915 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-10-13 18:18:17,915 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-10-13 18:18:17,915 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-13 18:18:17,915 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-10-13 18:18:17,916 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-10-13 18:18:17,916 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2019-10-13 18:18:17,916 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2019-10-13 18:18:17,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 18:18:17,916 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 18:18:17,916 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2019-10-13 18:18:17,916 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2019-10-13 18:18:17,917 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2019-10-13 18:18:17,917 INFO L130 BoogieDeclarations]: Found specification of procedure timer_pending [2019-10-13 18:18:17,917 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2019-10-13 18:18:17,917 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2019-10-13 18:18:17,918 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2019-10-13 18:18:17,918 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2019-10-13 18:18:17,918 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2019-10-13 18:18:17,918 INFO L130 BoogieDeclarations]: Found specification of procedure try_module_get [2019-10-13 18:18:17,918 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2019-10-13 18:18:17,919 INFO L130 BoogieDeclarations]: Found specification of procedure test_channelmap [2019-10-13 18:18:17,919 INFO L130 BoogieDeclarations]: Found specification of procedure set_channelmap [2019-10-13 18:18:17,919 INFO L130 BoogieDeclarations]: Found specification of procedure sock_create [2019-10-13 18:18:17,919 INFO L130 BoogieDeclarations]: Found specification of procedure sock_release [2019-10-13 18:18:17,919 INFO L130 BoogieDeclarations]: Found specification of procedure kernel_sendmsg [2019-10-13 18:18:17,920 INFO L130 BoogieDeclarations]: Found specification of procedure kernel_recvmsg [2019-10-13 18:18:17,920 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-13 18:18:17,920 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-13 18:18:17,920 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 18:18:17,920 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-13 18:18:17,920 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-13 18:18:17,920 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 18:18:17,920 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-13 18:18:17,921 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-13 18:18:17,921 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-13 18:18:17,921 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2019-10-13 18:18:17,921 INFO L130 BoogieDeclarations]: Found specification of procedure __alloc_skb [2019-10-13 18:18:17,921 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2019-10-13 18:18:17,921 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-10-13 18:18:17,921 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2019-10-13 18:18:17,921 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2019-10-13 18:18:17,922 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2019-10-13 18:18:17,922 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2019-10-13 18:18:17,922 INFO L130 BoogieDeclarations]: Found specification of procedure send_sig [2019-10-13 18:18:17,922 INFO L130 BoogieDeclarations]: Found specification of procedure allow_signal [2019-10-13 18:18:17,922 INFO L130 BoogieDeclarations]: Found specification of procedure test_tsk_thread_flag [2019-10-13 18:18:17,922 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2019-10-13 18:18:17,922 INFO L130 BoogieDeclarations]: Found specification of procedure mI_alloc_skb [2019-10-13 18:18:17,922 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-13 18:18:17,923 INFO L130 BoogieDeclarations]: Found specification of procedure _alloc_mISDN_skb [2019-10-13 18:18:17,923 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-13 18:18:17,923 INFO L130 BoogieDeclarations]: Found specification of procedure _queue_data [2019-10-13 18:18:17,923 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-13 18:18:17,924 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_register_device [2019-10-13 18:18:17,924 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_unregister_device [2019-10-13 18:18:17,924 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_initdchannel [2019-10-13 18:18:17,924 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_initbchannel [2019-10-13 18:18:17,924 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_freedchannel [2019-10-13 18:18:17,925 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_freebchannel [2019-10-13 18:18:17,925 INFO L130 BoogieDeclarations]: Found specification of procedure queue_ch_frame [2019-10-13 18:18:17,925 INFO L130 BoogieDeclarations]: Found specification of procedure recv_Dchannel [2019-10-13 18:18:17,925 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_create_on_node [2019-10-13 18:18:17,926 INFO L130 BoogieDeclarations]: Found specification of procedure l1oip_law_to_4bit [2019-10-13 18:18:17,926 INFO L130 BoogieDeclarations]: Found specification of procedure l1oip_4bit_to_law [2019-10-13 18:18:17,926 INFO L130 BoogieDeclarations]: Found specification of procedure l1oip_alaw_to_ulaw [2019-10-13 18:18:17,926 INFO L130 BoogieDeclarations]: Found specification of procedure l1oip_ulaw_to_alaw [2019-10-13 18:18:17,926 INFO L130 BoogieDeclarations]: Found specification of procedure l1oip_4bit_free [2019-10-13 18:18:17,928 INFO L130 BoogieDeclarations]: Found specification of procedure l1oip_4bit_alloc [2019-10-13 18:18:17,933 INFO L130 BoogieDeclarations]: Found specification of procedure l1oip_socket_send [2019-10-13 18:18:17,934 INFO L130 BoogieDeclarations]: Found specification of procedure l1oip_socket_recv [2019-10-13 18:18:17,934 INFO L130 BoogieDeclarations]: Found specification of procedure l1oip_socket_parse [2019-10-13 18:18:17,934 INFO L130 BoogieDeclarations]: Found specification of procedure l1oip_socket_thread [2019-10-13 18:18:17,934 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2019-10-13 18:18:17,939 INFO L130 BoogieDeclarations]: Found specification of procedure l1oip_socket_close [2019-10-13 18:18:17,939 INFO L130 BoogieDeclarations]: Found specification of procedure l1oip_socket_open [2019-10-13 18:18:17,939 INFO L130 BoogieDeclarations]: Found specification of procedure l1oip_send_bh [2019-10-13 18:18:17,939 INFO L130 BoogieDeclarations]: Found specification of procedure l1oip_keepalive [2019-10-13 18:18:17,939 INFO L130 BoogieDeclarations]: Found specification of procedure l1oip_timeout [2019-10-13 18:18:17,940 INFO L130 BoogieDeclarations]: Found specification of procedure handle_dmsg [2019-10-13 18:18:17,940 INFO L130 BoogieDeclarations]: Found specification of procedure channel_dctrl [2019-10-13 18:18:17,940 INFO L130 BoogieDeclarations]: Found specification of procedure open_dchannel [2019-10-13 18:18:17,940 INFO L130 BoogieDeclarations]: Found specification of procedure open_bchannel [2019-10-13 18:18:17,941 INFO L130 BoogieDeclarations]: Found specification of procedure l1oip_dctrl [2019-10-13 18:18:17,941 INFO L130 BoogieDeclarations]: Found specification of procedure handle_bmsg [2019-10-13 18:18:17,941 INFO L130 BoogieDeclarations]: Found specification of procedure channel_bctrl [2019-10-13 18:18:17,942 INFO L130 BoogieDeclarations]: Found specification of procedure l1oip_bctrl [2019-10-13 18:18:17,942 INFO L130 BoogieDeclarations]: Found specification of procedure release_card [2019-10-13 18:18:17,942 INFO L130 BoogieDeclarations]: Found specification of procedure l1oip_cleanup [2019-10-13 18:18:17,942 INFO L130 BoogieDeclarations]: Found specification of procedure init_card [2019-10-13 18:18:17,942 INFO L130 BoogieDeclarations]: Found specification of procedure l1oip_init [2019-10-13 18:18:17,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-13 18:18:17,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-13 18:18:17,943 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 18:18:17,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_18 [2019-10-13 18:18:17,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_16 [2019-10-13 18:18:17,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_19 [2019-10-13 18:18:17,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_21 [2019-10-13 18:18:17,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_15 [2019-10-13 18:18:17,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_17 [2019-10-13 18:18:17,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_20 [2019-10-13 18:18:17,945 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2019-10-13 18:18:17,945 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2019-10-13 18:18:17,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-13 18:18:17,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-13 18:18:17,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2019-10-13 18:18:17,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2019-10-13 18:18:17,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2019-10-13 18:18:17,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2019-10-13 18:18:17,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2019-10-13 18:18:17,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2019-10-13 18:18:17,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2019-10-13 18:18:17,947 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2019-10-13 18:18:17,947 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-13 18:18:17,947 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2019-10-13 18:18:17,947 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-13 18:18:17,947 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-13 18:18:17,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-13 18:18:17,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-13 18:18:17,948 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-13 18:18:17,948 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-10-13 18:18:17,948 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2019-10-13 18:18:17,948 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-13 18:18:17,949 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 18:18:17,949 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 18:18:17,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 18:18:17,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-13 18:18:17,949 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 18:18:17,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-13 18:18:17,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-13 18:18:17,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-13 18:18:17,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-13 18:18:33,234 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 18:18:33,234 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-13 18:18:33,236 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:18:33 BoogieIcfgContainer [2019-10-13 18:18:33,237 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 18:18:33,238 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 18:18:33,238 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 18:18:33,241 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 18:18:33,242 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 06:18:14" (1/3) ... [2019-10-13 18:18:33,243 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f6b8c71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 06:18:33, skipping insertion in model container [2019-10-13 18:18:33,243 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:18:17" (2/3) ... [2019-10-13 18:18:33,243 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f6b8c71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 06:18:33, skipping insertion in model container [2019-10-13 18:18:33,243 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:18:33" (3/3) ... [2019-10-13 18:18:33,245 INFO L109 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--isdn--mISDN--l1oip.ko-main.cil.out.i [2019-10-13 18:18:33,256 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 18:18:33,265 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 18:18:33,277 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 18:18:33,309 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 18:18:33,310 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 18:18:33,310 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 18:18:33,310 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 18:18:33,310 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 18:18:33,310 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 18:18:33,310 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 18:18:33,310 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 18:18:33,350 INFO L276 IsEmpty]: Start isEmpty. Operand 1076 states. [2019-10-13 18:18:33,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-10-13 18:18:33,358 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 18:18:33,360 INFO L380 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] [2019-10-13 18:18:33,362 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 18:18:33,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 18:18:33,369 INFO L82 PathProgramCache]: Analyzing trace with hash -842118964, now seen corresponding path program 1 times [2019-10-13 18:18:33,378 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-13 18:18:33,378 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278631538] [2019-10-13 18:18:33,378 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 18:18:33,378 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 18:18:33,379 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 18:18:33,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:18:43,314 WARN L191 SmtUtils]: Spent 8.93 s on a formula simplification that was a NOOP. DAG size: 1201 [2019-10-13 18:18:43,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:18:43,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:18:43,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:18:43,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 18:18:43,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 18:18:43,660 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [278631538] [2019-10-13 18:18:43,661 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 18:18:43,661 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 18:18:43,661 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587923980] [2019-10-13 18:18:43,666 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 18:18:43,667 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-13 18:18:43,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 18:18:43,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-10-13 18:18:43,684 INFO L87 Difference]: Start difference. First operand 1076 states. Second operand 7 states. [2019-10-13 18:18:52,383 WARN L191 SmtUtils]: Spent 8.64 s on a formula simplification that was a NOOP. DAG size: 1207