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-43_2a-drivers--isdn--hardware--mISDN--w6692.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 22:49:50,357 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 22:49:50,360 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 22:49:50,378 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 22:49:50,378 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 22:49:50,380 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 22:49:50,382 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 22:49:50,390 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 22:49:50,396 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 22:49:50,399 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 22:49:50,400 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 22:49:50,402 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 22:49:50,402 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 22:49:50,404 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 22:49:50,406 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 22:49:50,407 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 22:49:50,409 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 22:49:50,410 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 22:49:50,411 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 22:49:50,416 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 22:49:50,421 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 22:49:50,423 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 22:49:50,424 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 22:49:50,425 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 22:49:50,430 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 22:49:50,430 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 22:49:50,430 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 22:49:50,432 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 22:49:50,433 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 22:49:50,434 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 22:49:50,435 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 22:49:50,435 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 22:49:50,436 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 22:49:50,437 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 22:49:50,438 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 22:49:50,438 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 22:49:50,439 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 22:49:50,439 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 22:49:50,439 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 22:49:50,440 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 22:49:50,442 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 22:49:50,443 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 22:49:50,470 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 22:49:50,471 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 22:49:50,472 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 22:49:50,472 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 22:49:50,472 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 22:49:50,473 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 22:49:50,473 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 22:49:50,473 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 22:49:50,473 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 22:49:50,473 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 22:49:50,474 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 22:49:50,474 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 22:49:50,474 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 22:49:50,474 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 22:49:50,474 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 22:49:50,475 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 22:49:50,475 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 22:49:50,475 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 22:49:50,475 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 22:49:50,475 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 22:49:50,476 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 22:49:50,476 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 22:49:50,476 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 22:49:50,476 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 22:49:50,476 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 22:49:50,477 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 22:49:50,477 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 22:49:50,477 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 22:49:50,477 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 [2019-10-13 22:49:50,758 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 22:49:50,777 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 22:49:50,782 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 22:49:50,783 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 22:49:50,784 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 22:49:50,784 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--isdn--hardware--mISDN--w6692.ko-entry_point.cil.out.i [2019-10-13 22:49:50,857 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3cb483a10/01eec4d958f7486bbe51b627ee97bbf2/FLAG1a105c9df [2019-10-13 22:49:51,710 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 22:49:51,712 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--isdn--hardware--mISDN--w6692.ko-entry_point.cil.out.i [2019-10-13 22:49:51,763 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3cb483a10/01eec4d958f7486bbe51b627ee97bbf2/FLAG1a105c9df [2019-10-13 22:49:52,200 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3cb483a10/01eec4d958f7486bbe51b627ee97bbf2 [2019-10-13 22:49:52,210 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 22:49:52,211 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 22:49:52,212 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 22:49:52,212 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 22:49:52,216 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 22:49:52,217 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:49:52" (1/1) ... [2019-10-13 22:49:52,220 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ccc37c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:49:52, skipping insertion in model container [2019-10-13 22:49:52,220 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:49:52" (1/1) ... [2019-10-13 22:49:52,228 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 22:49:52,406 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 22:49:54,824 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 22:49:54,860 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 22:49:55,356 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 22:49:55,597 INFO L192 MainTranslator]: Completed translation [2019-10-13 22:49:55,597 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:49:55 WrapperNode [2019-10-13 22:49:55,598 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 22:49:55,599 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 22:49:55,599 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 22:49:55,599 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 22:49:55,615 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:49:55" (1/1) ... [2019-10-13 22:49:55,616 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:49:55" (1/1) ... [2019-10-13 22:49:55,729 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:49:55" (1/1) ... [2019-10-13 22:49:55,730 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:49:55" (1/1) ... [2019-10-13 22:49:55,907 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:49:55" (1/1) ... [2019-10-13 22:49:55,946 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:49:55" (1/1) ... [2019-10-13 22:49:55,998 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:49:55" (1/1) ... [2019-10-13 22:49:56,040 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 22:49:56,041 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 22:49:56,042 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 22:49:56,042 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 22:49:56,043 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:49:55" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 22:49:56,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 22:49:56,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 22:49:56,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-13 22:49:56,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2019-10-13 22:49:56,213 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2019-10-13 22:49:56,215 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2019-10-13 22:49:56,217 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-10-13 22:49:56,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-13 22:49:56,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-13 22:49:56,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-10-13 22:49:56,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-10-13 22:49:56,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-13 22:49:56,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-13 22:49:56,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-13 22:49:56,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-13 22:49:56,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-13 22:49:56,223 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2019-10-13 22:49:56,223 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2019-10-13 22:49:56,224 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-13 22:49:56,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_5 [2019-10-13 22:49:56,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_9 [2019-10-13 22:49:56,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_12 [2019-10-13 22:49:56,225 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2019-10-13 22:49:56,225 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2019-10-13 22:49:56,225 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2019-10-13 22:49:56,225 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2019-10-13 22:49:56,225 INFO L138 BoogieDeclarations]: Found implementation of procedure outsb [2019-10-13 22:49:56,226 INFO L138 BoogieDeclarations]: Found implementation of procedure insb [2019-10-13 22:49:56,226 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2019-10-13 22:49:56,226 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2019-10-13 22:49:56,226 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2019-10-13 22:49:56,227 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-13 22:49:56,227 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-10-13 22:49:56,227 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2019-10-13 22:49:56,227 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2019-10-13 22:49:56,227 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2019-10-13 22:49:56,227 INFO L138 BoogieDeclarations]: Found implementation of procedure set_channelmap [2019-10-13 22:49:56,228 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2019-10-13 22:49:56,228 INFO L138 BoogieDeclarations]: Found implementation of procedure mI_alloc_skb [2019-10-13 22:49:56,228 INFO L138 BoogieDeclarations]: Found implementation of procedure _alloc_mISDN_skb [2019-10-13 22:49:56,228 INFO L138 BoogieDeclarations]: Found implementation of procedure _queue_data [2019-10-13 22:49:56,228 INFO L138 BoogieDeclarations]: Found implementation of procedure _set_debug [2019-10-13 22:49:56,228 INFO L138 BoogieDeclarations]: Found implementation of procedure set_debug [2019-10-13 22:49:56,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ReadW6692 [2019-10-13 22:49:56,229 INFO L138 BoogieDeclarations]: Found implementation of procedure WriteW6692 [2019-10-13 22:49:56,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ReadW6692B [2019-10-13 22:49:56,229 INFO L138 BoogieDeclarations]: Found implementation of procedure WriteW6692B [2019-10-13 22:49:56,229 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_hwirq [2019-10-13 22:49:56,229 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_hwirq [2019-10-13 22:49:56,229 INFO L138 BoogieDeclarations]: Found implementation of procedure W6692Version [2019-10-13 22:49:56,230 INFO L138 BoogieDeclarations]: Found implementation of procedure w6692_led_handler [2019-10-13 22:49:56,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ph_command [2019-10-13 22:49:56,230 INFO L138 BoogieDeclarations]: Found implementation of procedure W6692_new_ph [2019-10-13 22:49:56,230 INFO L138 BoogieDeclarations]: Found implementation of procedure W6692_ph_bh [2019-10-13 22:49:56,230 INFO L138 BoogieDeclarations]: Found implementation of procedure W6692_empty_Dfifo [2019-10-13 22:49:56,230 INFO L138 BoogieDeclarations]: Found implementation of procedure W6692_fill_Dfifo [2019-10-13 22:49:56,231 INFO L138 BoogieDeclarations]: Found implementation of procedure d_retransmit [2019-10-13 22:49:56,231 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_rxD [2019-10-13 22:49:56,231 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_txD [2019-10-13 22:49:56,232 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_statusD [2019-10-13 22:49:56,232 INFO L138 BoogieDeclarations]: Found implementation of procedure W6692_empty_Bfifo [2019-10-13 22:49:56,232 INFO L138 BoogieDeclarations]: Found implementation of procedure W6692_fill_Bfifo [2019-10-13 22:49:56,232 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_pots [2019-10-13 22:49:56,233 INFO L138 BoogieDeclarations]: Found implementation of procedure w6692_mode [2019-10-13 22:49:56,233 INFO L138 BoogieDeclarations]: Found implementation of procedure send_next [2019-10-13 22:49:56,233 INFO L138 BoogieDeclarations]: Found implementation of procedure W6692B_interrupt [2019-10-13 22:49:56,234 INFO L138 BoogieDeclarations]: Found implementation of procedure w6692_irq [2019-10-13 22:49:56,234 INFO L138 BoogieDeclarations]: Found implementation of procedure dbusy_timer_handler [2019-10-13 22:49:56,234 INFO L138 BoogieDeclarations]: Found implementation of procedure initW6692 [2019-10-13 22:49:56,234 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_w6692 [2019-10-13 22:49:56,234 INFO L138 BoogieDeclarations]: Found implementation of procedure init_card [2019-10-13 22:49:56,234 INFO L138 BoogieDeclarations]: Found implementation of procedure w6692_l2l1B [2019-10-13 22:49:56,234 INFO L138 BoogieDeclarations]: Found implementation of procedure channel_bctrl [2019-10-13 22:49:56,235 INFO L138 BoogieDeclarations]: Found implementation of procedure open_bchannel [2019-10-13 22:49:56,235 INFO L138 BoogieDeclarations]: Found implementation of procedure channel_ctrl [2019-10-13 22:49:56,236 INFO L138 BoogieDeclarations]: Found implementation of procedure w6692_bctrl [2019-10-13 22:49:56,237 INFO L138 BoogieDeclarations]: Found implementation of procedure w6692_l2l1D [2019-10-13 22:49:56,237 INFO L138 BoogieDeclarations]: Found implementation of procedure w6692_l1callback [2019-10-13 22:49:56,237 INFO L138 BoogieDeclarations]: Found implementation of procedure open_dchannel [2019-10-13 22:49:56,237 INFO L138 BoogieDeclarations]: Found implementation of procedure w6692_dctrl [2019-10-13 22:49:56,238 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_w6692 [2019-10-13 22:49:56,238 INFO L138 BoogieDeclarations]: Found implementation of procedure release_card [2019-10-13 22:49:56,239 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_instance [2019-10-13 22:49:56,239 INFO L138 BoogieDeclarations]: Found implementation of procedure w6692_probe [2019-10-13 22:49:56,239 INFO L138 BoogieDeclarations]: Found implementation of procedure w6692_remove_pci [2019-10-13 22:49:56,239 INFO L138 BoogieDeclarations]: Found implementation of procedure w6692_init [2019-10-13 22:49:56,239 INFO L138 BoogieDeclarations]: Found implementation of procedure w6692_cleanup [2019-10-13 22:49:56,240 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_3 [2019-10-13 22:49:56,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_kernel_param_ops_5 [2019-10-13 22:49:56,241 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_2 [2019-10-13 22:49:56,241 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2019-10-13 22:49:56,241 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_2 [2019-10-13 22:49:56,241 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_3 [2019-10-13 22:49:56,241 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_2 [2019-10-13 22:49:56,241 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2019-10-13 22:49:56,242 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2019-10-13 22:49:56,242 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2019-10-13 22:49:56,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2019-10-13 22:49:56,242 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_3 [2019-10-13 22:49:56,242 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_3 [2019-10-13 22:49:56,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_driver_4 [2019-10-13 22:49:56,242 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_1 [2019-10-13 22:49:56,243 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 22:49:56,243 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-10-13 22:49:56,243 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-10-13 22:49:56,243 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-10-13 22:49:56,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmem_cache_alloc_20 [2019-10-13 22:49:56,243 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-13 22:49:56,244 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2019-10-13 22:49:56,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_26 [2019-10-13 22:49:56,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_28 [2019-10-13 22:49:56,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_copy_30 [2019-10-13 22:49:56,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_31 [2019-10-13 22:49:56,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_32 [2019-10-13 22:49:56,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_33 [2019-10-13 22:49:56,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_34 [2019-10-13 22:49:56,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_35 [2019-10-13 22:49:56,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_36 [2019-10-13 22:49:56,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_37 [2019-10-13 22:49:56,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_38 [2019-10-13 22:49:56,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_39 [2019-10-13 22:49:56,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_40 [2019-10-13 22:49:56,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_41 [2019-10-13 22:49:56,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_42 [2019-10-13 22:49:56,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_43 [2019-10-13 22:49:56,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_44 [2019-10-13 22:49:56,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___pci_register_driver_45 [2019-10-13 22:49:56,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver_46 [2019-10-13 22:49:56,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-13 22:49:56,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-13 22:49:56,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-13 22:49:56,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-13 22:49:56,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-13 22:49:56,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2019-10-13 22:49:56,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2019-10-13 22:49:56,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2019-10-13 22:49:56,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2019-10-13 22:49:56,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2019-10-13 22:49:56,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2019-10-13 22:49:56,255 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2019-10-13 22:49:56,255 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2019-10-13 22:49:56,255 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-10-13 22:49:56,256 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_register_driver [2019-10-13 22:49:56,256 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-13 22:49:56,263 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2019-10-13 22:49:56,263 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2019-10-13 22:49:56,264 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_lock [2019-10-13 22:49:56,264 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_unlock [2019-10-13 22:49:56,264 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-10-13 22:49:56,265 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-10-13 22:49:56,265 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-10-13 22:49:56,265 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock_irqsave [2019-10-13 22:49:56,265 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock_irqrestore [2019-10-13 22:49:56,265 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2019-10-13 22:49:56,265 INFO L138 BoogieDeclarations]: Found implementation of procedure bchannel_get_rxbuf [2019-10-13 22:49:56,265 INFO L138 BoogieDeclarations]: Found implementation of procedure bchannel_senddata [2019-10-13 22:49:56,266 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2019-10-13 22:49:56,266 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2019-10-13 22:49:56,266 INFO L138 BoogieDeclarations]: Found implementation of procedure create_l1 [2019-10-13 22:49:56,266 INFO L138 BoogieDeclarations]: Found implementation of procedure dchannel_senddata [2019-10-13 22:49:56,266 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2019-10-13 22:49:56,266 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2019-10-13 22:49:56,266 INFO L138 BoogieDeclarations]: Found implementation of procedure get_next_bframe [2019-10-13 22:49:56,267 INFO L138 BoogieDeclarations]: Found implementation of procedure get_next_dframe [2019-10-13 22:49:56,267 INFO L138 BoogieDeclarations]: Found implementation of procedure l1_event [2019-10-13 22:49:56,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-13 22:49:56,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-13 22:49:56,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_4 [2019-10-13 22:49:56,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2019-10-13 22:49:56,267 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2019-10-13 22:49:56,268 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_clear_bchannel [2019-10-13 22:49:56,268 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_ctrl_bchannel [2019-10-13 22:49:56,268 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_freebchannel [2019-10-13 22:49:56,268 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_freedchannel [2019-10-13 22:49:56,268 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_initbchannel [2019-10-13 22:49:56,268 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_initdchannel [2019-10-13 22:49:56,268 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_register_device [2019-10-13 22:49:56,269 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_unregister_device [2019-10-13 22:49:56,269 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2019-10-13 22:49:56,269 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2019-10-13 22:49:56,269 INFO L138 BoogieDeclarations]: Found implementation of procedure param_get_uint [2019-10-13 22:49:56,269 INFO L138 BoogieDeclarations]: Found implementation of procedure param_set_uint [2019-10-13 22:49:56,269 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2019-10-13 22:49:56,269 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2019-10-13 22:49:56,270 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2019-10-13 22:49:56,270 INFO L138 BoogieDeclarations]: Found implementation of procedure print_hex_dump [2019-10-13 22:49:56,270 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-13 22:49:56,270 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_ch_frame [2019-10-13 22:49:56,270 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2019-10-13 22:49:56,270 INFO L138 BoogieDeclarations]: Found implementation of procedure recv_Bchannel [2019-10-13 22:49:56,270 INFO L138 BoogieDeclarations]: Found implementation of procedure recv_Dchannel [2019-10-13 22:49:56,271 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2019-10-13 22:49:56,271 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-10-13 22:49:56,271 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2019-10-13 22:49:56,271 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2019-10-13 22:49:56,271 INFO L138 BoogieDeclarations]: Found implementation of procedure try_module_get [2019-10-13 22:49:56,271 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-13 22:49:56,271 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-13 22:49:56,272 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-13 22:49:56,272 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-13 22:49:56,272 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-13 22:49:56,272 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 22:49:56,272 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 22:49:56,272 INFO L130 BoogieDeclarations]: Found specification of procedure __builtin_return_address [2019-10-13 22:49:56,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-13 22:49:56,273 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2019-10-13 22:49:56,273 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2019-10-13 22:49:56,273 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-10-13 22:49:56,273 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 22:49:56,273 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-13 22:49:56,273 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2019-10-13 22:49:56,273 INFO L130 BoogieDeclarations]: Found specification of procedure print_hex_dump [2019-10-13 22:49:56,274 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-10-13 22:49:56,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2019-10-13 22:49:56,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2019-10-13 22:49:56,274 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 22:49:56,274 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-13 22:49:56,274 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-13 22:49:56,274 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 22:49:56,275 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-13 22:49:56,275 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-13 22:49:56,275 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-13 22:49:56,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-13 22:49:56,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 22:49:56,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-13 22:49:56,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-13 22:49:56,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-10-13 22:49:56,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-10-13 22:49:56,276 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-13 22:49:56,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-13 22:49:56,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-13 22:49:56,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-13 22:49:56,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-13 22:49:56,276 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-10-13 22:49:56,277 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2019-10-13 22:49:56,277 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 22:49:56,277 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2019-10-13 22:49:56,277 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2019-10-13 22:49:56,277 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-13 22:49:56,277 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-13 22:49:56,277 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-10-13 22:49:56,277 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-10-13 22:49:56,278 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-10-13 22:49:56,278 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_lock [2019-10-13 22:49:56,278 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock_irqsave [2019-10-13 22:49:56,278 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_unlock [2019-10-13 22:49:56,278 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock_irqrestore [2019-10-13 22:49:56,278 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-13 22:49:56,278 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_5 [2019-10-13 22:49:56,279 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-10-13 22:49:56,279 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_9 [2019-10-13 22:49:56,279 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-10-13 22:49:56,279 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_12 [2019-10-13 22:49:56,279 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-10-13 22:49:56,279 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2019-10-13 22:49:56,279 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_37 [2019-10-13 22:49:56,280 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_38 [2019-10-13 22:49:56,280 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_39 [2019-10-13 22:49:56,280 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_42 [2019-10-13 22:49:56,280 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2019-10-13 22:49:56,281 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2019-10-13 22:49:56,285 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2019-10-13 22:49:56,285 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2019-10-13 22:49:56,285 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2019-10-13 22:49:56,285 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2019-10-13 22:49:56,286 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2019-10-13 22:49:56,286 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2019-10-13 22:49:56,286 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2019-10-13 22:49:56,286 INFO L130 BoogieDeclarations]: Found specification of procedure outsb [2019-10-13 22:49:56,286 INFO L130 BoogieDeclarations]: Found specification of procedure insb [2019-10-13 22:49:56,286 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2019-10-13 22:49:56,286 INFO L130 BoogieDeclarations]: Found specification of procedure param_set_uint [2019-10-13 22:49:56,290 INFO L130 BoogieDeclarations]: Found specification of procedure param_get_uint [2019-10-13 22:49:56,290 INFO L130 BoogieDeclarations]: Found specification of procedure try_module_get [2019-10-13 22:49:56,290 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2019-10-13 22:49:56,291 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-13 22:49:56,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmem_cache_alloc_20 [2019-10-13 22:49:56,291 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-13 22:49:56,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2019-10-13 22:49:56,291 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_3 [2019-10-13 22:49:56,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_kernel_param_ops_5 [2019-10-13 22:49:56,291 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_2 [2019-10-13 22:49:56,291 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2019-10-13 22:49:56,292 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_2 [2019-10-13 22:49:56,292 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_3 [2019-10-13 22:49:56,292 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_2 [2019-10-13 22:49:56,292 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2019-10-13 22:49:56,292 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2019-10-13 22:49:56,292 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2019-10-13 22:49:56,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2019-10-13 22:49:56,293 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_3 [2019-10-13 22:49:56,293 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_3 [2019-10-13 22:49:56,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_driver_4 [2019-10-13 22:49:56,293 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_1 [2019-10-13 22:49:56,293 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2019-10-13 22:49:56,293 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2019-10-13 22:49:56,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_40 [2019-10-13 22:49:56,293 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2019-10-13 22:49:56,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_41 [2019-10-13 22:49:56,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_43 [2019-10-13 22:49:56,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_44 [2019-10-13 22:49:56,294 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2019-10-13 22:49:56,294 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-13 22:49:56,294 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-10-13 22:49:56,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 22:49:56,294 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2019-10-13 22:49:56,295 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2019-10-13 22:49:56,295 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_register_driver [2019-10-13 22:49:56,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___pci_register_driver_45 [2019-10-13 22:49:56,295 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2019-10-13 22:49:56,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver_46 [2019-10-13 22:49:56,295 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2019-10-13 22:49:56,295 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2019-10-13 22:49:56,295 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2019-10-13 22:49:56,296 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2019-10-13 22:49:56,296 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2019-10-13 22:49:56,296 INFO L130 BoogieDeclarations]: Found specification of procedure set_channelmap [2019-10-13 22:49:56,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 22:49:56,296 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2019-10-13 22:49:56,296 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2019-10-13 22:49:56,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_28 [2019-10-13 22:49:56,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_36 [2019-10-13 22:49:56,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_copy_30 [2019-10-13 22:49:56,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_26 [2019-10-13 22:49:56,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_34 [2019-10-13 22:49:56,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_35 [2019-10-13 22:49:56,297 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-10-13 22:49:56,297 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2019-10-13 22:49:56,297 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2019-10-13 22:49:56,297 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2019-10-13 22:49:56,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_31 [2019-10-13 22:49:56,298 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_32 [2019-10-13 22:49:56,298 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_33 [2019-10-13 22:49:56,298 INFO L130 BoogieDeclarations]: Found specification of procedure mI_alloc_skb [2019-10-13 22:49:56,298 INFO L130 BoogieDeclarations]: Found specification of procedure _alloc_mISDN_skb [2019-10-13 22:49:56,298 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-13 22:49:56,298 INFO L130 BoogieDeclarations]: Found specification of procedure _queue_data [2019-10-13 22:49:56,298 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-13 22:49:56,298 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_register_device [2019-10-13 22:49:56,298 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_unregister_device [2019-10-13 22:49:56,299 INFO L130 BoogieDeclarations]: Found specification of procedure create_l1 [2019-10-13 22:49:56,299 INFO L130 BoogieDeclarations]: Found specification of procedure l1_event [2019-10-13 22:49:56,299 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_initdchannel [2019-10-13 22:49:56,299 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_initbchannel [2019-10-13 22:49:56,299 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_freedchannel [2019-10-13 22:49:56,299 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_clear_bchannel [2019-10-13 22:49:56,299 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_freebchannel [2019-10-13 22:49:56,299 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_ctrl_bchannel [2019-10-13 22:49:56,300 INFO L130 BoogieDeclarations]: Found specification of procedure queue_ch_frame [2019-10-13 22:49:56,300 INFO L130 BoogieDeclarations]: Found specification of procedure dchannel_senddata [2019-10-13 22:49:56,300 INFO L130 BoogieDeclarations]: Found specification of procedure bchannel_senddata [2019-10-13 22:49:56,300 INFO L130 BoogieDeclarations]: Found specification of procedure bchannel_get_rxbuf [2019-10-13 22:49:56,300 INFO L130 BoogieDeclarations]: Found specification of procedure recv_Dchannel [2019-10-13 22:49:56,300 INFO L130 BoogieDeclarations]: Found specification of procedure recv_Bchannel [2019-10-13 22:49:56,300 INFO L130 BoogieDeclarations]: Found specification of procedure get_next_bframe [2019-10-13 22:49:56,300 INFO L130 BoogieDeclarations]: Found specification of procedure get_next_dframe [2019-10-13 22:49:56,301 INFO L130 BoogieDeclarations]: Found specification of procedure _set_debug [2019-10-13 22:49:56,301 INFO L130 BoogieDeclarations]: Found specification of procedure set_debug [2019-10-13 22:49:56,301 INFO L130 BoogieDeclarations]: Found specification of procedure ReadW6692 [2019-10-13 22:49:56,301 INFO L130 BoogieDeclarations]: Found specification of procedure WriteW6692 [2019-10-13 22:49:56,301 INFO L130 BoogieDeclarations]: Found specification of procedure ReadW6692B [2019-10-13 22:49:56,301 INFO L130 BoogieDeclarations]: Found specification of procedure WriteW6692B [2019-10-13 22:49:56,301 INFO L130 BoogieDeclarations]: Found specification of procedure enable_hwirq [2019-10-13 22:49:56,301 INFO L130 BoogieDeclarations]: Found specification of procedure disable_hwirq [2019-10-13 22:49:56,302 INFO L130 BoogieDeclarations]: Found specification of procedure W6692Version [2019-10-13 22:49:56,302 INFO L130 BoogieDeclarations]: Found specification of procedure w6692_led_handler [2019-10-13 22:49:56,302 INFO L130 BoogieDeclarations]: Found specification of procedure ph_command [2019-10-13 22:49:56,302 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 22:49:56,302 INFO L130 BoogieDeclarations]: Found specification of procedure W6692_new_ph [2019-10-13 22:49:56,302 INFO L130 BoogieDeclarations]: Found specification of procedure W6692_ph_bh [2019-10-13 22:49:56,302 INFO L130 BoogieDeclarations]: Found specification of procedure W6692_empty_Dfifo [2019-10-13 22:49:56,303 INFO L130 BoogieDeclarations]: Found specification of procedure W6692_fill_Dfifo [2019-10-13 22:49:56,303 INFO L130 BoogieDeclarations]: Found specification of procedure d_retransmit [2019-10-13 22:49:56,303 INFO L130 BoogieDeclarations]: Found specification of procedure handle_rxD [2019-10-13 22:49:56,303 INFO L130 BoogieDeclarations]: Found specification of procedure handle_txD [2019-10-13 22:49:56,303 INFO L130 BoogieDeclarations]: Found specification of procedure handle_statusD [2019-10-13 22:49:56,303 INFO L130 BoogieDeclarations]: Found specification of procedure W6692_empty_Bfifo [2019-10-13 22:49:56,303 INFO L130 BoogieDeclarations]: Found specification of procedure W6692_fill_Bfifo [2019-10-13 22:49:56,303 INFO L130 BoogieDeclarations]: Found specification of procedure disable_pots [2019-10-13 22:49:56,304 INFO L130 BoogieDeclarations]: Found specification of procedure w6692_mode [2019-10-13 22:49:56,304 INFO L130 BoogieDeclarations]: Found specification of procedure send_next [2019-10-13 22:49:56,304 INFO L130 BoogieDeclarations]: Found specification of procedure W6692B_interrupt [2019-10-13 22:49:56,304 INFO L130 BoogieDeclarations]: Found specification of procedure w6692_irq [2019-10-13 22:49:56,304 INFO L130 BoogieDeclarations]: Found specification of procedure dbusy_timer_handler [2019-10-13 22:49:56,304 INFO L130 BoogieDeclarations]: Found specification of procedure initW6692 [2019-10-13 22:49:56,304 INFO L130 BoogieDeclarations]: Found specification of procedure reset_w6692 [2019-10-13 22:49:56,304 INFO L130 BoogieDeclarations]: Found specification of procedure init_card [2019-10-13 22:49:56,305 INFO L130 BoogieDeclarations]: Found specification of procedure w6692_l2l1B [2019-10-13 22:49:56,305 INFO L130 BoogieDeclarations]: Found specification of procedure channel_bctrl [2019-10-13 22:49:56,305 INFO L130 BoogieDeclarations]: Found specification of procedure open_bchannel [2019-10-13 22:49:56,305 INFO L130 BoogieDeclarations]: Found specification of procedure channel_ctrl [2019-10-13 22:49:56,305 INFO L130 BoogieDeclarations]: Found specification of procedure w6692_bctrl [2019-10-13 22:49:56,305 INFO L130 BoogieDeclarations]: Found specification of procedure w6692_l2l1D [2019-10-13 22:49:56,305 INFO L130 BoogieDeclarations]: Found specification of procedure w6692_l1callback [2019-10-13 22:49:56,305 INFO L130 BoogieDeclarations]: Found specification of procedure open_dchannel [2019-10-13 22:49:56,307 INFO L130 BoogieDeclarations]: Found specification of procedure w6692_dctrl [2019-10-13 22:49:56,307 INFO L130 BoogieDeclarations]: Found specification of procedure setup_w6692 [2019-10-13 22:49:56,307 INFO L130 BoogieDeclarations]: Found specification of procedure release_card [2019-10-13 22:49:56,308 INFO L130 BoogieDeclarations]: Found specification of procedure setup_instance [2019-10-13 22:49:56,308 INFO L130 BoogieDeclarations]: Found specification of procedure w6692_probe [2019-10-13 22:49:56,308 INFO L130 BoogieDeclarations]: Found specification of procedure w6692_remove_pci [2019-10-13 22:49:56,308 INFO L130 BoogieDeclarations]: Found specification of procedure w6692_init [2019-10-13 22:49:56,309 INFO L130 BoogieDeclarations]: Found specification of procedure w6692_cleanup [2019-10-13 22:49:56,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-13 22:49:56,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-13 22:49:56,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_4 [2019-10-13 22:49:56,309 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2019-10-13 22:49:56,309 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 22:49:56,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-13 22:49:56,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-13 22:49:56,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-13 22:49:56,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-13 22:49:56,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-13 22:49:56,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2019-10-13 22:49:56,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2019-10-13 22:49:56,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2019-10-13 22:49:56,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2019-10-13 22:49:56,310 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-13 22:49:56,310 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-10-13 22:49:56,311 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 22:49:56,311 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 22:49:56,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 22:49:56,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-13 22:49:56,311 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 22:49:56,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-13 22:49:56,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-13 22:49:56,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-13 22:49:56,312 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-13 22:49:57,616 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-13 22:50:19,828 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 22:50:19,829 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-13 22:50:19,832 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:50:19 BoogieIcfgContainer [2019-10-13 22:50:19,832 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 22:50:19,833 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 22:50:19,834 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 22:50:19,837 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 22:50:19,837 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 10:49:52" (1/3) ... [2019-10-13 22:50:19,838 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79130589 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:50:19, skipping insertion in model container [2019-10-13 22:50:19,839 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:49:55" (2/3) ... [2019-10-13 22:50:19,839 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79130589 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:50:19, skipping insertion in model container [2019-10-13 22:50:19,839 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:50:19" (3/3) ... [2019-10-13 22:50:19,844 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--isdn--hardware--mISDN--w6692.ko-entry_point.cil.out.i [2019-10-13 22:50:19,854 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 22:50:19,870 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 22:50:19,881 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 22:50:19,921 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 22:50:19,921 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 22:50:19,921 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 22:50:19,921 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 22:50:19,921 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 22:50:19,921 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 22:50:19,921 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 22:50:19,921 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 22:50:19,973 INFO L276 IsEmpty]: Start isEmpty. Operand 1413 states. [2019-10-13 22:50:19,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-13 22:50:19,987 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:50:19,988 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 22:50:19,990 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:50:19,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:50:19,996 INFO L82 PathProgramCache]: Analyzing trace with hash -1008416180, now seen corresponding path program 1 times [2019-10-13 22:50:20,006 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:50:20,006 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1689564687] [2019-10-13 22:50:20,007 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:50:20,007 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:50:20,007 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:50:20,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:50:21,222 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-13 22:50:21,223 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1689564687] [2019-10-13 22:50:21,223 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:50:21,224 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 22:50:21,224 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114497398] [2019-10-13 22:50:21,229 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 22:50:21,230 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:50:21,244 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 22:50:21,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:50:21,247 INFO L87 Difference]: Start difference. First operand 1413 states. Second operand 3 states. [2019-10-13 22:50:23,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:50:23,194 INFO L93 Difference]: Finished difference Result 2835 states and 3812 transitions. [2019-10-13 22:50:23,195 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 22:50:23,196 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-10-13 22:50:23,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:50:23,241 INFO L225 Difference]: With dead ends: 2835 [2019-10-13 22:50:23,242 INFO L226 Difference]: Without dead ends: 1707 [2019-10-13 22:50:23,256 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:50:23,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1707 states. [2019-10-13 22:50:23,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1707 to 1696. [2019-10-13 22:50:23,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1696 states. [2019-10-13 22:50:23,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1696 states to 1696 states and 2273 transitions. [2019-10-13 22:50:23,502 INFO L78 Accepts]: Start accepts. Automaton has 1696 states and 2273 transitions. Word has length 47 [2019-10-13 22:50:23,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:50:23,504 INFO L462 AbstractCegarLoop]: Abstraction has 1696 states and 2273 transitions. [2019-10-13 22:50:23,504 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 22:50:23,504 INFO L276 IsEmpty]: Start isEmpty. Operand 1696 states and 2273 transitions. [2019-10-13 22:50:23,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2019-10-13 22:50:23,523 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:50:23,524 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 22:50:23,524 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:50:23,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:50:23,524 INFO L82 PathProgramCache]: Analyzing trace with hash 1540079543, now seen corresponding path program 1 times [2019-10-13 22:50:23,525 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:50:23,525 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684776975] [2019-10-13 22:50:23,525 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:50:23,525 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:50:23,525 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:50:23,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:50:24,077 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-10-13 22:50:24,077 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684776975] [2019-10-13 22:50:24,078 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:50:24,078 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 22:50:24,078 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949148891] [2019-10-13 22:50:24,081 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 22:50:24,081 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:50:24,081 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 22:50:24,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:50:24,082 INFO L87 Difference]: Start difference. First operand 1696 states and 2273 transitions. Second operand 3 states. [2019-10-13 22:50:28,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:50:28,131 INFO L93 Difference]: Finished difference Result 3372 states and 4524 transitions. [2019-10-13 22:50:28,131 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 22:50:28,131 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 81 [2019-10-13 22:50:28,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:50:28,147 INFO L225 Difference]: With dead ends: 3372 [2019-10-13 22:50:28,147 INFO L226 Difference]: Without dead ends: 1696 [2019-10-13 22:50:28,156 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:50:28,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1696 states. [2019-10-13 22:50:28,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1696 to 1696. [2019-10-13 22:50:28,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1696 states. [2019-10-13 22:50:28,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1696 states to 1696 states and 2272 transitions. [2019-10-13 22:50:28,262 INFO L78 Accepts]: Start accepts. Automaton has 1696 states and 2272 transitions. Word has length 81 [2019-10-13 22:50:28,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:50:28,263 INFO L462 AbstractCegarLoop]: Abstraction has 1696 states and 2272 transitions. [2019-10-13 22:50:28,263 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 22:50:28,263 INFO L276 IsEmpty]: Start isEmpty. Operand 1696 states and 2272 transitions. [2019-10-13 22:50:28,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2019-10-13 22:50:28,267 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:50:28,267 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 22:50:28,268 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:50:28,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:50:28,268 INFO L82 PathProgramCache]: Analyzing trace with hash 213442431, now seen corresponding path program 1 times [2019-10-13 22:50:28,268 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:50:28,269 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161537050] [2019-10-13 22:50:28,269 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:50:28,269 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:50:28,269 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:50:28,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:50:28,931 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-13 22:50:28,932 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1161537050] [2019-10-13 22:50:28,934 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:50:28,935 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-13 22:50:28,935 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529660465] [2019-10-13 22:50:28,938 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-13 22:50:28,938 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:50:28,938 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-13 22:50:28,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-13 22:50:28,939 INFO L87 Difference]: Start difference. First operand 1696 states and 2272 transitions. Second operand 5 states. [2019-10-13 22:50:29,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:50:29,193 INFO L93 Difference]: Finished difference Result 5067 states and 6812 transitions. [2019-10-13 22:50:29,194 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 22:50:29,194 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 94 [2019-10-13 22:50:29,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:50:29,219 INFO L225 Difference]: With dead ends: 5067 [2019-10-13 22:50:29,220 INFO L226 Difference]: Without dead ends: 3392 [2019-10-13 22:50:29,229 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-13 22:50:29,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3392 states. [2019-10-13 22:50:29,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3392 to 3367. [2019-10-13 22:50:29,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3367 states. [2019-10-13 22:50:29,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3367 states to 3367 states and 4522 transitions. [2019-10-13 22:50:29,431 INFO L78 Accepts]: Start accepts. Automaton has 3367 states and 4522 transitions. Word has length 94 [2019-10-13 22:50:29,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:50:29,433 INFO L462 AbstractCegarLoop]: Abstraction has 3367 states and 4522 transitions. [2019-10-13 22:50:29,433 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-13 22:50:29,433 INFO L276 IsEmpty]: Start isEmpty. Operand 3367 states and 4522 transitions. [2019-10-13 22:50:29,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2019-10-13 22:50:29,438 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:50:29,438 INFO L380 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 22:50:29,438 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:50:29,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:50:29,439 INFO L82 PathProgramCache]: Analyzing trace with hash -1420170305, now seen corresponding path program 1 times [2019-10-13 22:50:29,439 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:50:29,439 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357848199] [2019-10-13 22:50:29,439 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:50:29,439 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:50:29,440 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY