java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--atm--atmtcp.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-14 22:59:21,458 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 22:59:21,460 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 22:59:21,472 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 22:59:21,473 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 22:59:21,474 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 22:59:21,475 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 22:59:21,477 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 22:59:21,479 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 22:59:21,480 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 22:59:21,481 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 22:59:21,482 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 22:59:21,483 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 22:59:21,484 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 22:59:21,485 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 22:59:21,486 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 22:59:21,487 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 22:59:21,488 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 22:59:21,490 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 22:59:21,492 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 22:59:21,493 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 22:59:21,495 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 22:59:21,496 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 22:59:21,497 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 22:59:21,499 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-14 22:59:21,499 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-14 22:59:21,500 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-14 22:59:21,501 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-14 22:59:21,501 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-14 22:59:21,502 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-14 22:59:21,502 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 22:59:21,503 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 22:59:21,504 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 22:59:21,505 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 22:59:21,508 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 22:59:21,508 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 22:59:21,509 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 22:59:21,509 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 22:59:21,510 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 22:59:21,511 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 22:59:21,513 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 22:59:21,514 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-14 22:59:21,528 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 22:59:21,528 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 22:59:21,529 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 22:59:21,530 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 22:59:21,530 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 22:59:21,530 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 22:59:21,530 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 22:59:21,531 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 22:59:21,531 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 22:59:21,531 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 22:59:21,531 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 22:59:21,531 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 22:59:21,531 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 22:59:21,532 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 22:59:21,532 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 22:59:21,532 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 22:59:21,532 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 22:59:21,532 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 22:59:21,533 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 22:59:21,533 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 22:59:21,533 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 22:59:21,533 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 22:59:21,533 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 22:59:21,534 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 22:59:21,534 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 22:59:21,534 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 22:59:21,534 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 22:59:21,534 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 22:59:21,534 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-14 22:59:21,811 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 22:59:21,831 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 22:59:21,835 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 22:59:21,836 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 22:59:21,837 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 22:59:21,838 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--atm--atmtcp.ko-entry_point.cil.out.i [2019-10-14 22:59:21,919 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2857e6ed2/72ddf4bacfa44f26836e2c307c3e99c2/FLAG4b7a704fb [2019-10-14 22:59:22,731 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 22:59:22,732 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--atm--atmtcp.ko-entry_point.cil.out.i [2019-10-14 22:59:22,765 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2857e6ed2/72ddf4bacfa44f26836e2c307c3e99c2/FLAG4b7a704fb [2019-10-14 22:59:22,784 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2857e6ed2/72ddf4bacfa44f26836e2c307c3e99c2 [2019-10-14 22:59:22,795 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 22:59:22,797 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 22:59:22,798 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 22:59:22,798 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 22:59:22,802 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 22:59:22,803 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 10:59:22" (1/1) ... [2019-10-14 22:59:22,806 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c3eeae4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:59:22, skipping insertion in model container [2019-10-14 22:59:22,806 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 10:59:22" (1/1) ... [2019-10-14 22:59:22,814 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 22:59:22,953 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 22:59:24,786 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 22:59:24,871 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 22:59:25,304 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 22:59:25,449 INFO L192 MainTranslator]: Completed translation [2019-10-14 22:59:25,450 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:59:25 WrapperNode [2019-10-14 22:59:25,451 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 22:59:25,452 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 22:59:25,452 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 22:59:25,452 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 22:59:25,467 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:59:25" (1/1) ... [2019-10-14 22:59:25,467 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:59:25" (1/1) ... [2019-10-14 22:59:25,535 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:59:25" (1/1) ... [2019-10-14 22:59:25,536 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:59:25" (1/1) ... [2019-10-14 22:59:25,682 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:59:25" (1/1) ... [2019-10-14 22:59:25,701 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:59:25" (1/1) ... [2019-10-14 22:59:25,729 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:59:25" (1/1) ... [2019-10-14 22:59:25,762 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 22:59:25,764 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 22:59:25,764 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 22:59:25,764 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 22:59:25,765 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:59:25" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 22:59:25,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 22:59:25,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 22:59:25,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-10-14 22:59:25,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2019-10-14 22:59:25,853 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2019-10-14 22:59:25,854 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-10-14 22:59:25,854 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-10-14 22:59:25,855 INFO L138 BoogieDeclarations]: Found implementation of procedure change_bit [2019-10-14 22:59:25,855 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-10-14 22:59:25,855 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2019-10-14 22:59:25,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_swab32 [2019-10-14 22:59:25,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2019-10-14 22:59:25,856 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2019-10-14 22:59:25,856 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2019-10-14 22:59:25,857 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add [2019-10-14 22:59:25,857 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2019-10-14 22:59:25,860 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2019-10-14 22:59:25,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ktime_get_real [2019-10-14 22:59:25,860 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-14 22:59:25,861 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-14 22:59:25,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-14 22:59:25,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-14 22:59:25,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-10-14 22:59:25,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-10-14 22:59:25,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-14 22:59:25,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-14 22:59:25,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-14 22:59:25,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-14 22:59:25,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-14 22:59:25,862 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2019-10-14 22:59:25,862 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2019-10-14 22:59:25,863 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data [2019-10-14 22:59:25,863 INFO L138 BoogieDeclarations]: Found implementation of procedure __net_timestamp [2019-10-14 22:59:25,863 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_sleep [2019-10-14 22:59:25,863 INFO L138 BoogieDeclarations]: Found implementation of procedure atm_sk [2019-10-14 22:59:25,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ATM_SD [2019-10-14 22:59:25,863 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_atm [2019-10-14 22:59:25,863 INFO L138 BoogieDeclarations]: Found implementation of procedure atm_force_charge [2019-10-14 22:59:25,864 INFO L138 BoogieDeclarations]: Found implementation of procedure atm_dev_put [2019-10-14 22:59:25,864 INFO L138 BoogieDeclarations]: Found implementation of procedure atmtcp_send_control [2019-10-14 22:59:25,864 INFO L138 BoogieDeclarations]: Found implementation of procedure atmtcp_recv_control [2019-10-14 22:59:25,865 INFO L138 BoogieDeclarations]: Found implementation of procedure atmtcp_v_dev_close [2019-10-14 22:59:25,865 INFO L138 BoogieDeclarations]: Found implementation of procedure atmtcp_v_open [2019-10-14 22:59:25,865 INFO L138 BoogieDeclarations]: Found implementation of procedure atmtcp_v_close [2019-10-14 22:59:25,865 INFO L138 BoogieDeclarations]: Found implementation of procedure atmtcp_v_ioctl [2019-10-14 22:59:25,865 INFO L138 BoogieDeclarations]: Found implementation of procedure atmtcp_v_send [2019-10-14 22:59:25,865 INFO L138 BoogieDeclarations]: Found implementation of procedure atmtcp_v_proc [2019-10-14 22:59:25,866 INFO L138 BoogieDeclarations]: Found implementation of procedure atmtcp_c_close [2019-10-14 22:59:25,866 INFO L138 BoogieDeclarations]: Found implementation of procedure find_vcc [2019-10-14 22:59:25,866 INFO L138 BoogieDeclarations]: Found implementation of procedure atmtcp_c_send [2019-10-14 22:59:25,866 INFO L138 BoogieDeclarations]: Found implementation of procedure atmtcp_create [2019-10-14 22:59:25,866 INFO L138 BoogieDeclarations]: Found implementation of procedure atmtcp_attach [2019-10-14 22:59:25,866 INFO L138 BoogieDeclarations]: Found implementation of procedure atmtcp_create_persistent [2019-10-14 22:59:25,866 INFO L138 BoogieDeclarations]: Found implementation of procedure atmtcp_remove_persistent [2019-10-14 22:59:25,867 INFO L138 BoogieDeclarations]: Found implementation of procedure atmtcp_ioctl [2019-10-14 22:59:25,867 INFO L138 BoogieDeclarations]: Found implementation of procedure atmtcp_init [2019-10-14 22:59:25,867 INFO L138 BoogieDeclarations]: Found implementation of procedure atmtcp_exit [2019-10-14 22:59:25,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_atmdev_ops_3 [2019-10-14 22:59:25,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_atmdev_ops_2 [2019-10-14 22:59:25,867 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 22:59:25,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atm_dev_deregister_5 [2019-10-14 22:59:25,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_6 [2019-10-14 22:59:25,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atm_dev_register_7 [2019-10-14 22:59:25,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atm_dev_deregister_8 [2019-10-14 22:59:25,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___module_get_9 [2019-10-14 22:59:25,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-14 22:59:25,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-14 22:59:25,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-14 22:59:25,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-14 22:59:25,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-14 22:59:25,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_get [2019-10-14 22:59:25,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2019-10-14 22:59:25,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2019-10-14 22:59:25,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_and_exit [2019-10-14 22:59:25,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_refcount [2019-10-14 22:59:25,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-14 22:59:25,871 INFO L138 BoogieDeclarations]: Found implementation of procedure __alloc_skb [2019-10-14 22:59:25,871 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user_overflow [2019-10-14 22:59:25,871 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2019-10-14 22:59:25,871 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2019-10-14 22:59:25,872 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2019-10-14 22:59:25,872 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_lock [2019-10-14 22:59:25,872 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_unlock [2019-10-14 22:59:25,873 INFO L138 BoogieDeclarations]: Found implementation of procedure add_wait_queue [2019-10-14 22:59:25,873 INFO L138 BoogieDeclarations]: Found implementation of procedure atm_alloc_charge [2019-10-14 22:59:25,873 INFO L138 BoogieDeclarations]: Found implementation of procedure atm_dev_deregister [2019-10-14 22:59:25,873 INFO L138 BoogieDeclarations]: Found implementation of procedure atm_dev_lookup [2019-10-14 22:59:25,874 INFO L138 BoogieDeclarations]: Found implementation of procedure atm_dev_register [2019-10-14 22:59:25,874 INFO L138 BoogieDeclarations]: Found implementation of procedure atm_init_aal5 [2019-10-14 22:59:25,874 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2019-10-14 22:59:25,875 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2019-10-14 22:59:25,875 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2019-10-14 22:59:25,875 INFO L138 BoogieDeclarations]: Found implementation of procedure deregister_atm_ioctl [2019-10-14 22:59:25,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ktime_get_with_offset [2019-10-14 22:59:25,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-14 22:59:25,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_open_2 [2019-10-14 22:59:25,876 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-14 22:59:25,876 INFO L138 BoogieDeclarations]: Found implementation of procedure put_device [2019-10-14 22:59:25,876 INFO L138 BoogieDeclarations]: Found implementation of procedure register_atm_ioctl [2019-10-14 22:59:25,876 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_wait_queue [2019-10-14 22:59:25,877 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2019-10-14 22:59:25,877 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2019-10-14 22:59:25,877 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-10-14 22:59:25,877 INFO L138 BoogieDeclarations]: Found implementation of procedure vcc_insert_socket [2019-10-14 22:59:25,877 INFO L138 BoogieDeclarations]: Found implementation of procedure default_wake_function [2019-10-14 22:59:25,877 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-14 22:59:25,877 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-14 22:59:25,878 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-14 22:59:25,878 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-14 22:59:25,878 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-14 22:59:25,878 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 22:59:25,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-14 22:59:25,878 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2019-10-14 22:59:25,878 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-14 22:59:25,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-14 22:59:25,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-14 22:59:25,880 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-10-14 22:59:25,880 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-10-14 22:59:25,880 INFO L130 BoogieDeclarations]: Found specification of procedure change_bit [2019-10-14 22:59:25,880 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-10-14 22:59:25,881 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2019-10-14 22:59:25,881 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_swab32 [2019-10-14 22:59:25,881 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2019-10-14 22:59:25,881 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2019-10-14 22:59:25,882 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-14 22:59:25,882 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2019-10-14 22:59:25,882 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-10-14 22:59:25,882 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-10-14 22:59:25,882 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2019-10-14 22:59:25,883 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-14 22:59:25,883 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-14 22:59:25,883 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2019-10-14 22:59:25,883 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add [2019-10-14 22:59:25,884 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2019-10-14 22:59:25,884 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2019-10-14 22:59:25,884 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_lock [2019-10-14 22:59:25,884 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_unlock [2019-10-14 22:59:25,884 INFO L130 BoogieDeclarations]: Found specification of procedure default_wake_function [2019-10-14 22:59:25,884 INFO L130 BoogieDeclarations]: Found specification of procedure add_wait_queue [2019-10-14 22:59:25,885 INFO L130 BoogieDeclarations]: Found specification of procedure remove_wait_queue [2019-10-14 22:59:25,888 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2019-10-14 22:59:25,888 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_get_with_offset [2019-10-14 22:59:25,889 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_get_real [2019-10-14 22:59:25,889 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-14 22:59:25,889 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-14 22:59:25,890 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2019-10-14 22:59:25,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___module_get_9 [2019-10-14 22:59:25,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_6 [2019-10-14 22:59:25,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_get [2019-10-14 22:59:25,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2019-10-14 22:59:25,891 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2019-10-14 22:59:25,891 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2019-10-14 22:59:25,891 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-14 22:59:25,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-14 22:59:25,891 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-14 22:59:25,891 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-14 22:59:25,891 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-14 22:59:25,891 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-14 22:59:25,892 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 22:59:25,892 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-14 22:59:25,892 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-14 22:59:25,892 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-14 22:59:25,892 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-14 22:59:25,892 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-14 22:59:25,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-14 22:59:25,893 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-14 22:59:25,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-10-14 22:59:25,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-10-14 22:59:25,893 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-14 22:59:25,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-14 22:59:25,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-14 22:59:25,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-14 22:59:25,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-14 22:59:25,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_atmdev_ops_3 [2019-10-14 22:59:25,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_atmdev_ops_2 [2019-10-14 22:59:25,894 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2019-10-14 22:59:25,894 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user_overflow [2019-10-14 22:59:25,894 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2019-10-14 22:59:25,894 INFO L130 BoogieDeclarations]: Found specification of procedure put_device [2019-10-14 22:59:25,895 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2019-10-14 22:59:25,895 INFO L130 BoogieDeclarations]: Found specification of procedure __alloc_skb [2019-10-14 22:59:25,895 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2019-10-14 22:59:25,895 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-10-14 22:59:25,895 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2019-10-14 22:59:25,895 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data [2019-10-14 22:59:25,895 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-14 22:59:25,896 INFO L130 BoogieDeclarations]: Found specification of procedure __net_timestamp [2019-10-14 22:59:25,896 INFO L130 BoogieDeclarations]: Found specification of procedure sk_sleep [2019-10-14 22:59:25,896 INFO L130 BoogieDeclarations]: Found specification of procedure atm_sk [2019-10-14 22:59:25,896 INFO L130 BoogieDeclarations]: Found specification of procedure ATM_SD [2019-10-14 22:59:25,896 INFO L130 BoogieDeclarations]: Found specification of procedure sk_atm [2019-10-14 22:59:25,896 INFO L130 BoogieDeclarations]: Found specification of procedure atm_dev_register [2019-10-14 22:59:25,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atm_dev_register_7 [2019-10-14 22:59:25,897 INFO L130 BoogieDeclarations]: Found specification of procedure atm_dev_lookup [2019-10-14 22:59:25,897 INFO L130 BoogieDeclarations]: Found specification of procedure atm_dev_deregister [2019-10-14 22:59:25,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atm_dev_deregister_5 [2019-10-14 22:59:25,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atm_dev_deregister_8 [2019-10-14 22:59:25,897 INFO L130 BoogieDeclarations]: Found specification of procedure vcc_insert_socket [2019-10-14 22:59:25,897 INFO L130 BoogieDeclarations]: Found specification of procedure atm_force_charge [2019-10-14 22:59:25,897 INFO L130 BoogieDeclarations]: Found specification of procedure atm_dev_put [2019-10-14 22:59:25,897 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-10-14 22:59:25,898 INFO L130 BoogieDeclarations]: Found specification of procedure atm_alloc_charge [2019-10-14 22:59:25,898 INFO L130 BoogieDeclarations]: Found specification of procedure register_atm_ioctl [2019-10-14 22:59:25,898 INFO L130 BoogieDeclarations]: Found specification of procedure deregister_atm_ioctl [2019-10-14 22:59:25,898 INFO L130 BoogieDeclarations]: Found specification of procedure atm_init_aal5 [2019-10-14 22:59:25,898 INFO L130 BoogieDeclarations]: Found specification of procedure atmtcp_send_control [2019-10-14 22:59:25,898 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2019-10-14 22:59:25,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-14 22:59:25,899 INFO L130 BoogieDeclarations]: Found specification of procedure atmtcp_recv_control [2019-10-14 22:59:25,899 INFO L130 BoogieDeclarations]: Found specification of procedure atmtcp_v_dev_close [2019-10-14 22:59:25,899 INFO L130 BoogieDeclarations]: Found specification of procedure atmtcp_v_open [2019-10-14 22:59:25,899 INFO L130 BoogieDeclarations]: Found specification of procedure atmtcp_v_close [2019-10-14 22:59:25,899 INFO L130 BoogieDeclarations]: Found specification of procedure atmtcp_v_ioctl [2019-10-14 22:59:25,899 INFO L130 BoogieDeclarations]: Found specification of procedure atmtcp_v_send [2019-10-14 22:59:25,899 INFO L130 BoogieDeclarations]: Found specification of procedure atmtcp_v_proc [2019-10-14 22:59:25,900 INFO L130 BoogieDeclarations]: Found specification of procedure atmtcp_c_close [2019-10-14 22:59:25,900 INFO L130 BoogieDeclarations]: Found specification of procedure find_vcc [2019-10-14 22:59:25,900 INFO L130 BoogieDeclarations]: Found specification of procedure atmtcp_c_send [2019-10-14 22:59:25,900 INFO L130 BoogieDeclarations]: Found specification of procedure atmtcp_create [2019-10-14 22:59:25,900 INFO L130 BoogieDeclarations]: Found specification of procedure atmtcp_attach [2019-10-14 22:59:25,900 INFO L130 BoogieDeclarations]: Found specification of procedure atmtcp_create_persistent [2019-10-14 22:59:25,900 INFO L130 BoogieDeclarations]: Found specification of procedure atmtcp_remove_persistent [2019-10-14 22:59:25,900 INFO L130 BoogieDeclarations]: Found specification of procedure atmtcp_ioctl [2019-10-14 22:59:25,901 INFO L130 BoogieDeclarations]: Found specification of procedure atmtcp_init [2019-10-14 22:59:25,901 INFO L130 BoogieDeclarations]: Found specification of procedure atmtcp_exit [2019-10-14 22:59:25,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_open_2 [2019-10-14 22:59:25,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-14 22:59:25,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-14 22:59:25,901 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 22:59:25,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-14 22:59:25,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-14 22:59:25,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-14 22:59:25,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-14 22:59:25,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-14 22:59:25,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2019-10-14 22:59:25,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_and_exit [2019-10-14 22:59:25,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_refcount [2019-10-14 22:59:25,902 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-14 22:59:25,903 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-10-14 22:59:25,903 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-14 22:59:25,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 22:59:25,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-14 22:59:25,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-14 22:59:25,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 22:59:25,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-14 22:59:25,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-14 22:59:25,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-14 22:59:25,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-14 22:59:26,729 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-14 22:59:31,701 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_module_put_and_exitFINAL: assume true; [2019-10-14 22:59:40,090 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 22:59:40,090 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-14 22:59:40,092 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 10:59:40 BoogieIcfgContainer [2019-10-14 22:59:40,093 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 22:59:40,094 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-14 22:59:40,095 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-14 22:59:40,099 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-14 22:59:40,099 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 10:59:22" (1/3) ... [2019-10-14 22:59:40,100 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3eae17ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 10:59:40, skipping insertion in model container [2019-10-14 22:59:40,100 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:59:25" (2/3) ... [2019-10-14 22:59:40,100 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3eae17ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 10:59:40, skipping insertion in model container [2019-10-14 22:59:40,101 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 10:59:40" (3/3) ... [2019-10-14 22:59:40,103 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--atm--atmtcp.ko-entry_point.cil.out.i [2019-10-14 22:59:40,114 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-14 22:59:40,126 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-14 22:59:40,142 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-14 22:59:40,178 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-14 22:59:40,178 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-14 22:59:40,178 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-14 22:59:40,178 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-14 22:59:40,178 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-14 22:59:40,178 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-14 22:59:40,179 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-14 22:59:40,179 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-14 22:59:40,215 INFO L276 IsEmpty]: Start isEmpty. Operand 823 states. [2019-10-14 22:59:40,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2019-10-14 22:59:40,229 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 22:59:40,230 INFO L380 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 22:59:40,233 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 22:59:40,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 22:59:40,240 INFO L82 PathProgramCache]: Analyzing trace with hash 782312476, now seen corresponding path program 1 times [2019-10-14 22:59:40,249 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 22:59:40,249 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699654470] [2019-10-14 22:59:40,249 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 22:59:40,250 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 22:59:40,250 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 22:59:40,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:59:41,124 WARN L191 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2019-10-14 22:59:41,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:59:41,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:59:41,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:59:41,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:59:41,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:59:41,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:59:41,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:59:41,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:59:41,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:59:41,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:59:41,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:59:41,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:59:41,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:59:41,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:59:41,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:59:41,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:59:41,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:59:41,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:59:41,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:59:41,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 22:59:41,437 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2019-10-14 22:59:41,438 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [699654470] [2019-10-14 22:59:41,439 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 22:59:41,439 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-14 22:59:41,439 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887456445] [2019-10-14 22:59:41,444 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-14 22:59:41,444 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 22:59:41,459 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-14 22:59:41,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-14 22:59:41,462 INFO L87 Difference]: Start difference. First operand 823 states. Second operand 7 states. [2019-10-14 22:59:41,689 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2019-10-14 22:59:42,387 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2019-10-14 22:59:42,886 WARN L191 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 138