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 --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -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 [2019-10-15 02:47:13,327 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 02:47:13,329 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 02:47:13,350 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 02:47:13,351 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 02:47:13,353 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 02:47:13,355 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 02:47:13,365 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 02:47:13,367 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 02:47:13,369 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 02:47:13,370 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 02:47:13,372 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 02:47:13,372 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 02:47:13,375 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 02:47:13,378 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 02:47:13,379 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 02:47:13,381 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 02:47:13,383 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 02:47:13,385 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 02:47:13,390 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 02:47:13,395 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 02:47:13,398 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 02:47:13,401 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 02:47:13,402 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 02:47:13,405 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 02:47:13,406 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 02:47:13,406 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 02:47:13,408 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 02:47:13,409 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 02:47:13,410 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 02:47:13,410 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 02:47:13,412 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 02:47:13,413 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 02:47:13,414 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 02:47:13,416 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 02:47:13,416 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 02:47:13,417 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 02:47:13,417 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 02:47:13,417 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 02:47:13,418 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 02:47:13,420 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 02:47:13,420 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 [2019-10-15 02:47:13,441 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 02:47:13,441 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 02:47:13,443 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 02:47:13,443 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 02:47:13,444 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 02:47:13,444 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 02:47:13,444 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 02:47:13,444 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 02:47:13,444 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 02:47:13,445 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 02:47:13,446 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 02:47:13,446 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 02:47:13,446 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 02:47:13,447 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 02:47:13,447 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 02:47:13,447 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 02:47:13,447 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 02:47:13,447 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 02:47:13,447 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 02:47:13,448 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 02:47:13,448 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 02:47:13,448 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 02:47:13,448 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 02:47:13,448 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 02:47:13,449 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 02:47:13,449 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 02:47:13,449 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 02:47:13,449 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 02:47:13,449 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-15 02:47:13,756 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 02:47:13,769 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 02:47:13,773 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 02:47:13,774 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 02:47:13,775 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 02:47:13,775 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--atm--atmtcp.ko-entry_point.cil.out.i [2019-10-15 02:47:13,835 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57010c4b4/bca61b9b6a5b45d5b775c6699be84315/FLAGf09ae1284 [2019-10-15 02:47:14,619 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 02:47:14,620 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--atm--atmtcp.ko-entry_point.cil.out.i [2019-10-15 02:47:14,655 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57010c4b4/bca61b9b6a5b45d5b775c6699be84315/FLAGf09ae1284 [2019-10-15 02:47:14,679 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57010c4b4/bca61b9b6a5b45d5b775c6699be84315 [2019-10-15 02:47:14,689 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 02:47:14,691 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 02:47:14,692 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 02:47:14,692 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 02:47:14,696 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 02:47:14,697 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 02:47:14" (1/1) ... [2019-10-15 02:47:14,700 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b218c5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:47:14, skipping insertion in model container [2019-10-15 02:47:14,701 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 02:47:14" (1/1) ... [2019-10-15 02:47:14,708 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 02:47:14,822 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 02:47:16,603 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 02:47:16,643 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 02:47:17,149 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 02:47:17,388 INFO L192 MainTranslator]: Completed translation [2019-10-15 02:47:17,389 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:47:17 WrapperNode [2019-10-15 02:47:17,390 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 02:47:17,391 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 02:47:17,391 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 02:47:17,392 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 02:47:17,415 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:47:17" (1/1) ... [2019-10-15 02:47:17,415 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:47:17" (1/1) ... [2019-10-15 02:47:17,514 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:47:17" (1/1) ... [2019-10-15 02:47:17,514 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:47:17" (1/1) ... [2019-10-15 02:47:17,673 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:47:17" (1/1) ... [2019-10-15 02:47:17,702 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:47:17" (1/1) ... [2019-10-15 02:47:17,727 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:47:17" (1/1) ... [2019-10-15 02:47:17,754 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 02:47:17,755 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 02:47:17,755 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 02:47:17,755 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 02:47:17,756 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:47:17" (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 [2019-10-15 02:47:17,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 02:47:17,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 02:47:17,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-10-15 02:47:17,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2019-10-15 02:47:17,837 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2019-10-15 02:47:17,838 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-10-15 02:47:17,839 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2019-10-15 02:47:17,839 INFO L138 BoogieDeclarations]: Found implementation of procedure change_bit [2019-10-15 02:47:17,839 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-10-15 02:47:17,839 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2019-10-15 02:47:17,839 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_swab32 [2019-10-15 02:47:17,840 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2019-10-15 02:47:17,840 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2019-10-15 02:47:17,840 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2019-10-15 02:47:17,841 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add [2019-10-15 02:47:17,841 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2019-10-15 02:47:17,843 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2019-10-15 02:47:17,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ktime_get_real [2019-10-15 02:47:17,844 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-15 02:47:17,844 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-15 02:47:17,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-15 02:47:17,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-15 02:47:17,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-10-15 02:47:17,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-10-15 02:47:17,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-15 02:47:17,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-15 02:47:17,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-15 02:47:17,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-15 02:47:17,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-15 02:47:17,846 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2019-10-15 02:47:17,846 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2019-10-15 02:47:17,846 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data [2019-10-15 02:47:17,846 INFO L138 BoogieDeclarations]: Found implementation of procedure __net_timestamp [2019-10-15 02:47:17,846 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_sleep [2019-10-15 02:47:17,847 INFO L138 BoogieDeclarations]: Found implementation of procedure atm_sk [2019-10-15 02:47:17,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ATM_SD [2019-10-15 02:47:17,847 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_atm [2019-10-15 02:47:17,847 INFO L138 BoogieDeclarations]: Found implementation of procedure atm_force_charge [2019-10-15 02:47:17,847 INFO L138 BoogieDeclarations]: Found implementation of procedure atm_dev_put [2019-10-15 02:47:17,847 INFO L138 BoogieDeclarations]: Found implementation of procedure atmtcp_send_control [2019-10-15 02:47:17,848 INFO L138 BoogieDeclarations]: Found implementation of procedure atmtcp_recv_control [2019-10-15 02:47:17,848 INFO L138 BoogieDeclarations]: Found implementation of procedure atmtcp_v_dev_close [2019-10-15 02:47:17,848 INFO L138 BoogieDeclarations]: Found implementation of procedure atmtcp_v_open [2019-10-15 02:47:17,848 INFO L138 BoogieDeclarations]: Found implementation of procedure atmtcp_v_close [2019-10-15 02:47:17,848 INFO L138 BoogieDeclarations]: Found implementation of procedure atmtcp_v_ioctl [2019-10-15 02:47:17,848 INFO L138 BoogieDeclarations]: Found implementation of procedure atmtcp_v_send [2019-10-15 02:47:17,849 INFO L138 BoogieDeclarations]: Found implementation of procedure atmtcp_v_proc [2019-10-15 02:47:17,849 INFO L138 BoogieDeclarations]: Found implementation of procedure atmtcp_c_close [2019-10-15 02:47:17,849 INFO L138 BoogieDeclarations]: Found implementation of procedure find_vcc [2019-10-15 02:47:17,849 INFO L138 BoogieDeclarations]: Found implementation of procedure atmtcp_c_send [2019-10-15 02:47:17,849 INFO L138 BoogieDeclarations]: Found implementation of procedure atmtcp_create [2019-10-15 02:47:17,849 INFO L138 BoogieDeclarations]: Found implementation of procedure atmtcp_attach [2019-10-15 02:47:17,849 INFO L138 BoogieDeclarations]: Found implementation of procedure atmtcp_create_persistent [2019-10-15 02:47:17,850 INFO L138 BoogieDeclarations]: Found implementation of procedure atmtcp_remove_persistent [2019-10-15 02:47:17,850 INFO L138 BoogieDeclarations]: Found implementation of procedure atmtcp_ioctl [2019-10-15 02:47:17,850 INFO L138 BoogieDeclarations]: Found implementation of procedure atmtcp_init [2019-10-15 02:47:17,850 INFO L138 BoogieDeclarations]: Found implementation of procedure atmtcp_exit [2019-10-15 02:47:17,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_atmdev_ops_3 [2019-10-15 02:47:17,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_atmdev_ops_2 [2019-10-15 02:47:17,851 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 02:47:17,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atm_dev_deregister_5 [2019-10-15 02:47:17,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_6 [2019-10-15 02:47:17,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atm_dev_register_7 [2019-10-15 02:47:17,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atm_dev_deregister_8 [2019-10-15 02:47:17,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___module_get_9 [2019-10-15 02:47:17,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-15 02:47:17,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-15 02:47:17,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-15 02:47:17,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-15 02:47:17,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-15 02:47:17,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_get [2019-10-15 02:47:17,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_try_module_get [2019-10-15 02:47:17,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2019-10-15 02:47:17,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put_and_exit [2019-10-15 02:47:17,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_refcount [2019-10-15 02:47:17,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-15 02:47:17,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __alloc_skb [2019-10-15 02:47:17,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user_overflow [2019-10-15 02:47:17,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2019-10-15 02:47:17,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2019-10-15 02:47:17,856 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2019-10-15 02:47:17,856 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_lock [2019-10-15 02:47:17,856 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_unlock [2019-10-15 02:47:17,856 INFO L138 BoogieDeclarations]: Found implementation of procedure add_wait_queue [2019-10-15 02:47:17,856 INFO L138 BoogieDeclarations]: Found implementation of procedure atm_alloc_charge [2019-10-15 02:47:17,856 INFO L138 BoogieDeclarations]: Found implementation of procedure atm_dev_deregister [2019-10-15 02:47:17,857 INFO L138 BoogieDeclarations]: Found implementation of procedure atm_dev_lookup [2019-10-15 02:47:17,857 INFO L138 BoogieDeclarations]: Found implementation of procedure atm_dev_register [2019-10-15 02:47:17,857 INFO L138 BoogieDeclarations]: Found implementation of procedure atm_init_aal5 [2019-10-15 02:47:17,858 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2019-10-15 02:47:17,858 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2019-10-15 02:47:17,858 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2019-10-15 02:47:17,858 INFO L138 BoogieDeclarations]: Found implementation of procedure deregister_atm_ioctl [2019-10-15 02:47:17,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ktime_get_with_offset [2019-10-15 02:47:17,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-15 02:47:17,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_open_2 [2019-10-15 02:47:17,859 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-15 02:47:17,859 INFO L138 BoogieDeclarations]: Found implementation of procedure put_device [2019-10-15 02:47:17,859 INFO L138 BoogieDeclarations]: Found implementation of procedure register_atm_ioctl [2019-10-15 02:47:17,859 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_wait_queue [2019-10-15 02:47:17,859 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2019-10-15 02:47:17,859 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2019-10-15 02:47:17,859 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-10-15 02:47:17,860 INFO L138 BoogieDeclarations]: Found implementation of procedure vcc_insert_socket [2019-10-15 02:47:17,860 INFO L138 BoogieDeclarations]: Found implementation of procedure default_wake_function [2019-10-15 02:47:17,860 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-15 02:47:17,860 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-15 02:47:17,860 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-15 02:47:17,860 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-15 02:47:17,860 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-15 02:47:17,861 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 02:47:17,861 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-15 02:47:17,861 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2019-10-15 02:47:17,861 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-15 02:47:17,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 02:47:17,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 02:47:17,862 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-10-15 02:47:17,862 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2019-10-15 02:47:17,862 INFO L130 BoogieDeclarations]: Found specification of procedure change_bit [2019-10-15 02:47:17,862 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-10-15 02:47:17,863 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2019-10-15 02:47:17,863 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_swab32 [2019-10-15 02:47:17,863 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2019-10-15 02:47:17,863 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2019-10-15 02:47:17,864 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-15 02:47:17,864 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2019-10-15 02:47:17,864 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2019-10-15 02:47:17,865 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2019-10-15 02:47:17,865 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2019-10-15 02:47:17,865 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-15 02:47:17,865 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-15 02:47:17,865 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2019-10-15 02:47:17,866 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add [2019-10-15 02:47:17,866 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2019-10-15 02:47:17,870 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2019-10-15 02:47:17,870 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_lock [2019-10-15 02:47:17,870 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_unlock [2019-10-15 02:47:17,870 INFO L130 BoogieDeclarations]: Found specification of procedure default_wake_function [2019-10-15 02:47:17,871 INFO L130 BoogieDeclarations]: Found specification of procedure add_wait_queue [2019-10-15 02:47:17,871 INFO L130 BoogieDeclarations]: Found specification of procedure remove_wait_queue [2019-10-15 02:47:17,871 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2019-10-15 02:47:17,871 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_get_with_offset [2019-10-15 02:47:17,872 INFO L130 BoogieDeclarations]: Found specification of procedure ktime_get_real [2019-10-15 02:47:17,872 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 02:47:17,880 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 02:47:17,880 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2019-10-15 02:47:17,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___module_get_9 [2019-10-15 02:47:17,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_6 [2019-10-15 02:47:17,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_get [2019-10-15 02:47:17,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2019-10-15 02:47:17,881 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2019-10-15 02:47:17,881 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2019-10-15 02:47:17,881 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-15 02:47:17,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-15 02:47:17,882 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-15 02:47:17,882 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-15 02:47:17,882 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 02:47:17,882 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-15 02:47:17,882 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 02:47:17,882 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-15 02:47:17,882 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-15 02:47:17,883 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-15 02:47:17,883 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-15 02:47:17,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 02:47:17,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-15 02:47:17,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-15 02:47:17,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-10-15 02:47:17,883 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-10-15 02:47:17,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-15 02:47:17,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-15 02:47:17,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-15 02:47:17,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-15 02:47:17,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-15 02:47:17,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_atmdev_ops_3 [2019-10-15 02:47:17,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_atmdev_ops_2 [2019-10-15 02:47:17,885 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2019-10-15 02:47:17,885 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user_overflow [2019-10-15 02:47:17,885 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2019-10-15 02:47:17,885 INFO L130 BoogieDeclarations]: Found specification of procedure put_device [2019-10-15 02:47:17,885 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2019-10-15 02:47:17,885 INFO L130 BoogieDeclarations]: Found specification of procedure __alloc_skb [2019-10-15 02:47:17,885 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2019-10-15 02:47:17,886 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-10-15 02:47:17,886 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2019-10-15 02:47:17,886 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data [2019-10-15 02:47:17,886 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 02:47:17,886 INFO L130 BoogieDeclarations]: Found specification of procedure __net_timestamp [2019-10-15 02:47:17,887 INFO L130 BoogieDeclarations]: Found specification of procedure sk_sleep [2019-10-15 02:47:17,887 INFO L130 BoogieDeclarations]: Found specification of procedure atm_sk [2019-10-15 02:47:17,887 INFO L130 BoogieDeclarations]: Found specification of procedure ATM_SD [2019-10-15 02:47:17,887 INFO L130 BoogieDeclarations]: Found specification of procedure sk_atm [2019-10-15 02:47:17,887 INFO L130 BoogieDeclarations]: Found specification of procedure atm_dev_register [2019-10-15 02:47:17,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atm_dev_register_7 [2019-10-15 02:47:17,888 INFO L130 BoogieDeclarations]: Found specification of procedure atm_dev_lookup [2019-10-15 02:47:17,888 INFO L130 BoogieDeclarations]: Found specification of procedure atm_dev_deregister [2019-10-15 02:47:17,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atm_dev_deregister_5 [2019-10-15 02:47:17,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atm_dev_deregister_8 [2019-10-15 02:47:17,888 INFO L130 BoogieDeclarations]: Found specification of procedure vcc_insert_socket [2019-10-15 02:47:17,888 INFO L130 BoogieDeclarations]: Found specification of procedure atm_force_charge [2019-10-15 02:47:17,888 INFO L130 BoogieDeclarations]: Found specification of procedure atm_dev_put [2019-10-15 02:47:17,888 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-10-15 02:47:17,889 INFO L130 BoogieDeclarations]: Found specification of procedure atm_alloc_charge [2019-10-15 02:47:17,889 INFO L130 BoogieDeclarations]: Found specification of procedure register_atm_ioctl [2019-10-15 02:47:17,889 INFO L130 BoogieDeclarations]: Found specification of procedure deregister_atm_ioctl [2019-10-15 02:47:17,889 INFO L130 BoogieDeclarations]: Found specification of procedure atm_init_aal5 [2019-10-15 02:47:17,889 INFO L130 BoogieDeclarations]: Found specification of procedure atmtcp_send_control [2019-10-15 02:47:17,889 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2019-10-15 02:47:17,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 02:47:17,890 INFO L130 BoogieDeclarations]: Found specification of procedure atmtcp_recv_control [2019-10-15 02:47:17,890 INFO L130 BoogieDeclarations]: Found specification of procedure atmtcp_v_dev_close [2019-10-15 02:47:17,890 INFO L130 BoogieDeclarations]: Found specification of procedure atmtcp_v_open [2019-10-15 02:47:17,890 INFO L130 BoogieDeclarations]: Found specification of procedure atmtcp_v_close [2019-10-15 02:47:17,890 INFO L130 BoogieDeclarations]: Found specification of procedure atmtcp_v_ioctl [2019-10-15 02:47:17,890 INFO L130 BoogieDeclarations]: Found specification of procedure atmtcp_v_send [2019-10-15 02:47:17,891 INFO L130 BoogieDeclarations]: Found specification of procedure atmtcp_v_proc [2019-10-15 02:47:17,891 INFO L130 BoogieDeclarations]: Found specification of procedure atmtcp_c_close [2019-10-15 02:47:17,891 INFO L130 BoogieDeclarations]: Found specification of procedure find_vcc [2019-10-15 02:47:17,891 INFO L130 BoogieDeclarations]: Found specification of procedure atmtcp_c_send [2019-10-15 02:47:17,891 INFO L130 BoogieDeclarations]: Found specification of procedure atmtcp_create [2019-10-15 02:47:17,891 INFO L130 BoogieDeclarations]: Found specification of procedure atmtcp_attach [2019-10-15 02:47:17,891 INFO L130 BoogieDeclarations]: Found specification of procedure atmtcp_create_persistent [2019-10-15 02:47:17,892 INFO L130 BoogieDeclarations]: Found specification of procedure atmtcp_remove_persistent [2019-10-15 02:47:17,892 INFO L130 BoogieDeclarations]: Found specification of procedure atmtcp_ioctl [2019-10-15 02:47:17,892 INFO L130 BoogieDeclarations]: Found specification of procedure atmtcp_init [2019-10-15 02:47:17,892 INFO L130 BoogieDeclarations]: Found specification of procedure atmtcp_exit [2019-10-15 02:47:17,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_open_2 [2019-10-15 02:47:17,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-15 02:47:17,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-15 02:47:17,893 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 02:47:17,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-15 02:47:17,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-15 02:47:17,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-15 02:47:17,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-15 02:47:17,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-15 02:47:17,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_try_module_get [2019-10-15 02:47:17,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put_and_exit [2019-10-15 02:47:17,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_refcount [2019-10-15 02:47:17,894 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-15 02:47:17,894 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-10-15 02:47:17,894 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 02:47:17,894 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 02:47:17,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 02:47:17,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-15 02:47:17,894 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 02:47:17,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-15 02:47:17,895 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-15 02:47:17,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-15 02:47:17,895 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-15 02:47:18,936 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-15 02:47:24,307 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_module_put_and_exitFINAL: assume true; [2019-10-15 02:47:41,490 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 02:47:41,490 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-15 02:47:41,492 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 02:47:41 BoogieIcfgContainer [2019-10-15 02:47:41,492 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 02:47:41,495 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 02:47:41,495 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 02:47:41,498 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 02:47:41,498 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 02:47:14" (1/3) ... [2019-10-15 02:47:41,499 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@118c77bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 02:47:41, skipping insertion in model container [2019-10-15 02:47:41,499 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:47:17" (2/3) ... [2019-10-15 02:47:41,500 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@118c77bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 02:47:41, skipping insertion in model container [2019-10-15 02:47:41,504 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 02:47:41" (3/3) ... [2019-10-15 02:47:41,505 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--atm--atmtcp.ko-entry_point.cil.out.i [2019-10-15 02:47:41,514 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 02:47:41,526 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 02:47:41,536 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 02:47:41,571 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 02:47:41,571 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 02:47:41,571 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 02:47:41,572 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 02:47:41,572 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 02:47:41,572 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 02:47:41,574 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 02:47:41,574 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 02:47:41,612 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states. [2019-10-15 02:47:41,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2019-10-15 02:47:41,627 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:47:41,628 INFO L380 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 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] [2019-10-15 02:47:41,631 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:47:41,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:47:41,636 INFO L82 PathProgramCache]: Analyzing trace with hash 44885906, now seen corresponding path program 1 times [2019-10-15 02:47:41,644 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:47:41,645 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692832680] [2019-10-15 02:47:41,645 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:47:41,645 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:47:41,645 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:47:42,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:47:42,303 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2019-10-15 02:47:42,303 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [692832680] [2019-10-15 02:47:42,305 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:47:42,305 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 02:47:42,305 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155221261] [2019-10-15 02:47:42,310 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 02:47:42,311 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:47:42,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 02:47:42,326 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:47:42,328 INFO L87 Difference]: Start difference. First operand 695 states. Second operand 3 states. [2019-10-15 02:47:42,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:47:42,606 INFO L93 Difference]: Finished difference Result 1985 states and 2621 transitions. [2019-10-15 02:47:42,606 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 02:47:42,608 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 91 [2019-10-15 02:47:42,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted.