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 0.1.24-13a467a-m [2019-10-15 02:52:23,754 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 02:52:23,757 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 02:52:23,775 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 02:52:23,775 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 02:52:23,778 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 02:52:23,780 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 02:52:23,791 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 02:52:23,796 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 02:52:23,799 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 02:52:23,801 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 02:52:23,803 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 02:52:23,803 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 02:52:23,805 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 02:52:23,808 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 02:52:23,809 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 02:52:23,811 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 02:52:23,812 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 02:52:23,813 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 02:52:23,819 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 02:52:23,824 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 02:52:23,827 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 02:52:23,830 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 02:52:23,831 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 02:52:23,833 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 02:52:23,833 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 02:52:23,833 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 02:52:23,834 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 02:52:23,836 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 02:52:23,836 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 02:52:23,837 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 02:52:23,837 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 02:52:23,838 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 02:52:23,839 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 02:52:23,839 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 02:52:23,840 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 02:52:23,840 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 02:52:23,840 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 02:52:23,841 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 02:52:23,841 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 02:52:23,842 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 02:52:23,843 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 02:52:23,856 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 02:52:23,857 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 02:52:23,858 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 02:52:23,858 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 02:52:23,858 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 02:52:23,859 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 02:52:23,859 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 02:52:23,859 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 02:52:23,859 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 02:52:23,859 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 02:52:23,860 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 02:52:23,860 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 02:52:23,860 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 02:52:23,860 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 02:52:23,860 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 02:52:23,861 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 02:52:23,861 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 02:52:23,861 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 02:52:23,861 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 02:52:23,861 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 02:52:23,862 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 02:52:23,862 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 02:52:23,862 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 02:52:23,862 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 02:52:23,862 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 02:52:23,863 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 02:52:23,863 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 02:52:23,863 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 02:52:23,865 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 02:52:24,153 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 02:52:24,170 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 02:52:24,174 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 02:52:24,176 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 02:52:24,176 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 02:52:24,177 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--isdn--hardware--mISDN--w6692.ko-entry_point.cil.out.i [2019-10-15 02:52:24,257 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0eea794b5/5b653f8e7f6e4c91ad060d58145acf53/FLAGbfdf88160 [2019-10-15 02:52:25,137 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 02:52:25,138 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--isdn--hardware--mISDN--w6692.ko-entry_point.cil.out.i [2019-10-15 02:52:25,180 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0eea794b5/5b653f8e7f6e4c91ad060d58145acf53/FLAGbfdf88160 [2019-10-15 02:52:25,671 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0eea794b5/5b653f8e7f6e4c91ad060d58145acf53 [2019-10-15 02:52:25,681 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 02:52:25,683 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 02:52:25,684 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 02:52:25,684 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 02:52:25,687 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 02:52:25,688 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 02:52:25" (1/1) ... [2019-10-15 02:52:25,690 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73961d7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:52:25, skipping insertion in model container [2019-10-15 02:52:25,690 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 02:52:25" (1/1) ... [2019-10-15 02:52:25,697 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 02:52:25,857 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 02:52:28,142 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 02:52:28,204 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 02:52:28,693 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 02:52:28,924 INFO L192 MainTranslator]: Completed translation [2019-10-15 02:52:28,925 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:52:28 WrapperNode [2019-10-15 02:52:28,925 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 02:52:28,926 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 02:52:28,926 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 02:52:28,926 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 02:52:28,941 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:52:28" (1/1) ... [2019-10-15 02:52:28,941 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:52:28" (1/1) ... [2019-10-15 02:52:29,015 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:52:28" (1/1) ... [2019-10-15 02:52:29,016 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:52:28" (1/1) ... [2019-10-15 02:52:29,171 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:52:28" (1/1) ... [2019-10-15 02:52:29,204 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:52:28" (1/1) ... [2019-10-15 02:52:29,245 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:52:28" (1/1) ... [2019-10-15 02:52:29,298 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 02:52:29,298 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 02:52:29,298 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 02:52:29,299 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 02:52:29,300 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:52:28" (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 02:52:29,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 02:52:29,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 02:52:29,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-15 02:52:29,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2019-10-15 02:52:29,378 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2019-10-15 02:52:29,381 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2019-10-15 02:52:29,383 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2019-10-15 02:52:29,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-15 02:52:29,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-15 02:52:29,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-10-15 02:52:29,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-10-15 02:52:29,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-15 02:52:29,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-15 02:52:29,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-15 02:52:29,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-15 02:52:29,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-15 02:52:29,389 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2019-10-15 02:52:29,389 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2019-10-15 02:52:29,389 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-15 02:52:29,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_5 [2019-10-15 02:52:29,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_9 [2019-10-15 02:52:29,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_12 [2019-10-15 02:52:29,390 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2019-10-15 02:52:29,390 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2019-10-15 02:52:29,390 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2019-10-15 02:52:29,390 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2019-10-15 02:52:29,391 INFO L138 BoogieDeclarations]: Found implementation of procedure outsb [2019-10-15 02:52:29,391 INFO L138 BoogieDeclarations]: Found implementation of procedure insb [2019-10-15 02:52:29,391 INFO L138 BoogieDeclarations]: Found implementation of procedure kobject_name [2019-10-15 02:52:29,391 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2019-10-15 02:52:29,391 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2019-10-15 02:52:29,392 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-15 02:52:29,392 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-10-15 02:52:29,393 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2019-10-15 02:52:29,393 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2019-10-15 02:52:29,393 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2019-10-15 02:52:29,393 INFO L138 BoogieDeclarations]: Found implementation of procedure set_channelmap [2019-10-15 02:52:29,393 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2019-10-15 02:52:29,393 INFO L138 BoogieDeclarations]: Found implementation of procedure mI_alloc_skb [2019-10-15 02:52:29,394 INFO L138 BoogieDeclarations]: Found implementation of procedure _alloc_mISDN_skb [2019-10-15 02:52:29,394 INFO L138 BoogieDeclarations]: Found implementation of procedure _queue_data [2019-10-15 02:52:29,394 INFO L138 BoogieDeclarations]: Found implementation of procedure _set_debug [2019-10-15 02:52:29,394 INFO L138 BoogieDeclarations]: Found implementation of procedure set_debug [2019-10-15 02:52:29,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ReadW6692 [2019-10-15 02:52:29,464 INFO L138 BoogieDeclarations]: Found implementation of procedure WriteW6692 [2019-10-15 02:52:29,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ReadW6692B [2019-10-15 02:52:29,464 INFO L138 BoogieDeclarations]: Found implementation of procedure WriteW6692B [2019-10-15 02:52:29,464 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_hwirq [2019-10-15 02:52:29,464 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_hwirq [2019-10-15 02:52:29,465 INFO L138 BoogieDeclarations]: Found implementation of procedure W6692Version [2019-10-15 02:52:29,465 INFO L138 BoogieDeclarations]: Found implementation of procedure w6692_led_handler [2019-10-15 02:52:29,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ph_command [2019-10-15 02:52:29,465 INFO L138 BoogieDeclarations]: Found implementation of procedure W6692_new_ph [2019-10-15 02:52:29,465 INFO L138 BoogieDeclarations]: Found implementation of procedure W6692_ph_bh [2019-10-15 02:52:29,466 INFO L138 BoogieDeclarations]: Found implementation of procedure W6692_empty_Dfifo [2019-10-15 02:52:29,466 INFO L138 BoogieDeclarations]: Found implementation of procedure W6692_fill_Dfifo [2019-10-15 02:52:29,466 INFO L138 BoogieDeclarations]: Found implementation of procedure d_retransmit [2019-10-15 02:52:29,466 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_rxD [2019-10-15 02:52:29,466 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_txD [2019-10-15 02:52:29,466 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_statusD [2019-10-15 02:52:29,467 INFO L138 BoogieDeclarations]: Found implementation of procedure W6692_empty_Bfifo [2019-10-15 02:52:29,467 INFO L138 BoogieDeclarations]: Found implementation of procedure W6692_fill_Bfifo [2019-10-15 02:52:29,467 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_pots [2019-10-15 02:52:29,467 INFO L138 BoogieDeclarations]: Found implementation of procedure w6692_mode [2019-10-15 02:52:29,467 INFO L138 BoogieDeclarations]: Found implementation of procedure send_next [2019-10-15 02:52:29,467 INFO L138 BoogieDeclarations]: Found implementation of procedure W6692B_interrupt [2019-10-15 02:52:29,467 INFO L138 BoogieDeclarations]: Found implementation of procedure w6692_irq [2019-10-15 02:52:29,468 INFO L138 BoogieDeclarations]: Found implementation of procedure dbusy_timer_handler [2019-10-15 02:52:29,468 INFO L138 BoogieDeclarations]: Found implementation of procedure initW6692 [2019-10-15 02:52:29,468 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_w6692 [2019-10-15 02:52:29,469 INFO L138 BoogieDeclarations]: Found implementation of procedure init_card [2019-10-15 02:52:29,469 INFO L138 BoogieDeclarations]: Found implementation of procedure w6692_l2l1B [2019-10-15 02:52:29,469 INFO L138 BoogieDeclarations]: Found implementation of procedure channel_bctrl [2019-10-15 02:52:29,470 INFO L138 BoogieDeclarations]: Found implementation of procedure open_bchannel [2019-10-15 02:52:29,470 INFO L138 BoogieDeclarations]: Found implementation of procedure channel_ctrl [2019-10-15 02:52:29,470 INFO L138 BoogieDeclarations]: Found implementation of procedure w6692_bctrl [2019-10-15 02:52:29,471 INFO L138 BoogieDeclarations]: Found implementation of procedure w6692_l2l1D [2019-10-15 02:52:29,471 INFO L138 BoogieDeclarations]: Found implementation of procedure w6692_l1callback [2019-10-15 02:52:29,471 INFO L138 BoogieDeclarations]: Found implementation of procedure open_dchannel [2019-10-15 02:52:29,472 INFO L138 BoogieDeclarations]: Found implementation of procedure w6692_dctrl [2019-10-15 02:52:29,472 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_w6692 [2019-10-15 02:52:29,473 INFO L138 BoogieDeclarations]: Found implementation of procedure release_card [2019-10-15 02:52:29,473 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_instance [2019-10-15 02:52:29,473 INFO L138 BoogieDeclarations]: Found implementation of procedure w6692_probe [2019-10-15 02:52:29,473 INFO L138 BoogieDeclarations]: Found implementation of procedure w6692_remove_pci [2019-10-15 02:52:29,473 INFO L138 BoogieDeclarations]: Found implementation of procedure w6692_init [2019-10-15 02:52:29,474 INFO L138 BoogieDeclarations]: Found implementation of procedure w6692_cleanup [2019-10-15 02:52:29,474 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_3 [2019-10-15 02:52:29,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_kernel_param_ops_5 [2019-10-15 02:52:29,475 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_2 [2019-10-15 02:52:29,475 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2019-10-15 02:52:29,475 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_2 [2019-10-15 02:52:29,475 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_timer_3 [2019-10-15 02:52:29,475 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_2 [2019-10-15 02:52:29,476 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2019-10-15 02:52:29,476 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_check_1 [2019-10-15 02:52:29,476 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1 [2019-10-15 02:52:29,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2019-10-15 02:52:29,476 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_3 [2019-10-15 02:52:29,476 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_3 [2019-10-15 02:52:29,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_driver_4 [2019-10-15 02:52:29,477 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_interrupt_1 [2019-10-15 02:52:29,477 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 02:52:29,477 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2019-10-15 02:52:29,477 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2019-10-15 02:52:29,477 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-10-15 02:52:29,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_kmem_cache_alloc_20 [2019-10-15 02:52:29,478 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-15 02:52:29,478 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2019-10-15 02:52:29,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_26 [2019-10-15 02:52:29,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_28 [2019-10-15 02:52:29,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_copy_30 [2019-10-15 02:52:29,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_31 [2019-10-15 02:52:29,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_32 [2019-10-15 02:52:29,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___netdev_alloc_skb_33 [2019-10-15 02:52:29,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_34 [2019-10-15 02:52:29,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pskb_expand_head_35 [2019-10-15 02:52:29,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_skb_clone_36 [2019-10-15 02:52:29,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_37 [2019-10-15 02:52:29,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_38 [2019-10-15 02:52:29,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_39 [2019-10-15 02:52:29,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_40 [2019-10-15 02:52:29,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_41 [2019-10-15 02:52:29,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_42 [2019-10-15 02:52:29,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_43 [2019-10-15 02:52:29,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq_44 [2019-10-15 02:52:29,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv___pci_register_driver_45 [2019-10-15 02:52:29,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pci_unregister_driver_46 [2019-10-15 02:52:29,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-15 02:52:29,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-15 02:52:29,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-15 02:52:29,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-15 02:52:29,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-15 02:52:29,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2019-10-15 02:52:29,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2019-10-15 02:52:29,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2019-10-15 02:52:29,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2019-10-15 02:52:29,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2019-10-15 02:52:29,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2019-10-15 02:52:29,490 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2019-10-15 02:52:29,490 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2019-10-15 02:52:29,490 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-10-15 02:52:29,490 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_register_driver [2019-10-15 02:52:29,491 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-15 02:52:29,497 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2019-10-15 02:52:29,498 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2019-10-15 02:52:29,498 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_lock [2019-10-15 02:52:29,498 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_unlock [2019-10-15 02:52:29,499 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2019-10-15 02:52:29,499 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2019-10-15 02:52:29,499 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-10-15 02:52:29,499 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock_irqsave [2019-10-15 02:52:29,500 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock_irqrestore [2019-10-15 02:52:29,500 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2019-10-15 02:52:29,500 INFO L138 BoogieDeclarations]: Found implementation of procedure bchannel_get_rxbuf [2019-10-15 02:52:29,500 INFO L138 BoogieDeclarations]: Found implementation of procedure bchannel_senddata [2019-10-15 02:52:29,500 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2019-10-15 02:52:29,500 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2019-10-15 02:52:29,500 INFO L138 BoogieDeclarations]: Found implementation of procedure create_l1 [2019-10-15 02:52:29,500 INFO L138 BoogieDeclarations]: Found implementation of procedure dchannel_senddata [2019-10-15 02:52:29,501 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2019-10-15 02:52:29,501 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2019-10-15 02:52:29,501 INFO L138 BoogieDeclarations]: Found implementation of procedure get_next_bframe [2019-10-15 02:52:29,501 INFO L138 BoogieDeclarations]: Found implementation of procedure get_next_dframe [2019-10-15 02:52:29,501 INFO L138 BoogieDeclarations]: Found implementation of procedure l1_event [2019-10-15 02:52:29,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-15 02:52:29,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-15 02:52:29,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_4 [2019-10-15 02:52:29,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2019-10-15 02:52:29,502 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2019-10-15 02:52:29,502 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_clear_bchannel [2019-10-15 02:52:29,502 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_ctrl_bchannel [2019-10-15 02:52:29,502 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_freebchannel [2019-10-15 02:52:29,502 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_freedchannel [2019-10-15 02:52:29,502 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_initbchannel [2019-10-15 02:52:29,502 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_initdchannel [2019-10-15 02:52:29,503 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_register_device [2019-10-15 02:52:29,503 INFO L138 BoogieDeclarations]: Found implementation of procedure mISDN_unregister_device [2019-10-15 02:52:29,503 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2019-10-15 02:52:29,503 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2019-10-15 02:52:29,503 INFO L138 BoogieDeclarations]: Found implementation of procedure param_get_uint [2019-10-15 02:52:29,503 INFO L138 BoogieDeclarations]: Found implementation of procedure param_set_uint [2019-10-15 02:52:29,503 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2019-10-15 02:52:29,504 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2019-10-15 02:52:29,504 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unregister_driver [2019-10-15 02:52:29,504 INFO L138 BoogieDeclarations]: Found implementation of procedure print_hex_dump [2019-10-15 02:52:29,504 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-15 02:52:29,504 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_ch_frame [2019-10-15 02:52:29,504 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2019-10-15 02:52:29,504 INFO L138 BoogieDeclarations]: Found implementation of procedure recv_Bchannel [2019-10-15 02:52:29,504 INFO L138 BoogieDeclarations]: Found implementation of procedure recv_Dchannel [2019-10-15 02:52:29,505 INFO L138 BoogieDeclarations]: Found implementation of procedure request_threaded_irq [2019-10-15 02:52:29,505 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2019-10-15 02:52:29,505 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2019-10-15 02:52:29,505 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_trim [2019-10-15 02:52:29,505 INFO L138 BoogieDeclarations]: Found implementation of procedure try_module_get [2019-10-15 02:52:29,505 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-15 02:52:29,505 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-15 02:52:29,506 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-15 02:52:29,506 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-15 02:52:29,506 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-15 02:52:29,506 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 02:52:29,506 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 02:52:29,506 INFO L130 BoogieDeclarations]: Found specification of procedure __builtin_return_address [2019-10-15 02:52:29,507 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-15 02:52:29,507 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2019-10-15 02:52:29,507 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2019-10-15 02:52:29,507 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2019-10-15 02:52:29,507 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 02:52:29,507 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-15 02:52:29,507 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2019-10-15 02:52:29,508 INFO L130 BoogieDeclarations]: Found specification of procedure print_hex_dump [2019-10-15 02:52:29,508 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-10-15 02:52:29,508 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2019-10-15 02:52:29,508 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2019-10-15 02:52:29,508 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 02:52:29,508 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-15 02:52:29,508 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-15 02:52:29,508 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 02:52:29,509 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-15 02:52:29,509 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-15 02:52:29,509 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-15 02:52:29,509 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-15 02:52:29,509 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 02:52:29,509 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-15 02:52:29,509 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-15 02:52:29,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-10-15 02:52:29,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-10-15 02:52:29,510 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-15 02:52:29,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-15 02:52:29,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-15 02:52:29,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-15 02:52:29,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-15 02:52:29,511 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-10-15 02:52:29,511 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2019-10-15 02:52:29,511 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 02:52:29,511 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2019-10-15 02:52:29,511 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2019-10-15 02:52:29,511 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-15 02:52:29,511 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-15 02:52:29,511 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2019-10-15 02:52:29,512 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2019-10-15 02:52:29,512 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-10-15 02:52:29,512 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_lock [2019-10-15 02:52:29,512 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock_irqsave [2019-10-15 02:52:29,512 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_unlock [2019-10-15 02:52:29,512 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock_irqrestore [2019-10-15 02:52:29,512 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-15 02:52:29,512 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_5 [2019-10-15 02:52:29,513 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2019-10-15 02:52:29,513 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_9 [2019-10-15 02:52:29,513 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2019-10-15 02:52:29,513 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_12 [2019-10-15 02:52:29,513 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-10-15 02:52:29,513 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2019-10-15 02:52:29,513 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_37 [2019-10-15 02:52:29,514 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_38 [2019-10-15 02:52:29,514 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_39 [2019-10-15 02:52:29,514 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_42 [2019-10-15 02:52:29,514 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2019-10-15 02:52:29,515 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2019-10-15 02:52:29,519 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2019-10-15 02:52:29,519 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2019-10-15 02:52:29,520 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2019-10-15 02:52:29,520 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2019-10-15 02:52:29,520 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2019-10-15 02:52:29,520 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2019-10-15 02:52:29,520 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2019-10-15 02:52:29,520 INFO L130 BoogieDeclarations]: Found specification of procedure outsb [2019-10-15 02:52:29,520 INFO L130 BoogieDeclarations]: Found specification of procedure insb [2019-10-15 02:52:29,521 INFO L130 BoogieDeclarations]: Found specification of procedure kobject_name [2019-10-15 02:52:29,521 INFO L130 BoogieDeclarations]: Found specification of procedure param_set_uint [2019-10-15 02:52:29,525 INFO L130 BoogieDeclarations]: Found specification of procedure param_get_uint [2019-10-15 02:52:29,525 INFO L130 BoogieDeclarations]: Found specification of procedure try_module_get [2019-10-15 02:52:29,525 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2019-10-15 02:52:29,526 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-15 02:52:29,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_kmem_cache_alloc_20 [2019-10-15 02:52:29,526 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-15 02:52:29,526 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2019-10-15 02:52:29,526 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_3 [2019-10-15 02:52:29,527 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_kernel_param_ops_5 [2019-10-15 02:52:29,527 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_2 [2019-10-15 02:52:29,527 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2019-10-15 02:52:29,527 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_2 [2019-10-15 02:52:29,527 INFO L130 BoogieDeclarations]: Found specification of procedure choose_timer_3 [2019-10-15 02:52:29,527 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_2 [2019-10-15 02:52:29,527 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2019-10-15 02:52:29,528 INFO L130 BoogieDeclarations]: Found specification of procedure reg_check_1 [2019-10-15 02:52:29,528 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1 [2019-10-15 02:52:29,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2019-10-15 02:52:29,528 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_3 [2019-10-15 02:52:29,528 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_3 [2019-10-15 02:52:29,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_driver_4 [2019-10-15 02:52:29,528 INFO L130 BoogieDeclarations]: Found specification of procedure choose_interrupt_1 [2019-10-15 02:52:29,529 INFO L130 BoogieDeclarations]: Found specification of procedure request_threaded_irq [2019-10-15 02:52:29,529 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2019-10-15 02:52:29,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_40 [2019-10-15 02:52:29,529 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2019-10-15 02:52:29,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_41 [2019-10-15 02:52:29,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_43 [2019-10-15 02:52:29,530 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq_44 [2019-10-15 02:52:29,530 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2019-10-15 02:52:29,530 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-15 02:52:29,530 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-10-15 02:52:29,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 02:52:29,530 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2019-10-15 02:52:29,530 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2019-10-15 02:52:29,530 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_register_driver [2019-10-15 02:52:29,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___pci_register_driver_45 [2019-10-15 02:52:29,531 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unregister_driver [2019-10-15 02:52:29,531 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pci_unregister_driver_46 [2019-10-15 02:52:29,531 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2019-10-15 02:52:29,531 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2019-10-15 02:52:29,531 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2019-10-15 02:52:29,531 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2019-10-15 02:52:29,532 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2019-10-15 02:52:29,532 INFO L130 BoogieDeclarations]: Found specification of procedure set_channelmap [2019-10-15 02:52:29,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 02:52:29,532 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2019-10-15 02:52:29,532 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2019-10-15 02:52:29,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_28 [2019-10-15 02:52:29,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_clone_36 [2019-10-15 02:52:29,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_skb_copy_30 [2019-10-15 02:52:29,533 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_26 [2019-10-15 02:52:29,533 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_34 [2019-10-15 02:52:29,533 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pskb_expand_head_35 [2019-10-15 02:52:29,533 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2019-10-15 02:52:29,533 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2019-10-15 02:52:29,533 INFO L130 BoogieDeclarations]: Found specification of procedure skb_trim [2019-10-15 02:52:29,533 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2019-10-15 02:52:29,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_31 [2019-10-15 02:52:29,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_32 [2019-10-15 02:52:29,534 INFO L130 BoogieDeclarations]: Found specification of procedure ldv___netdev_alloc_skb_33 [2019-10-15 02:52:29,534 INFO L130 BoogieDeclarations]: Found specification of procedure mI_alloc_skb [2019-10-15 02:52:29,534 INFO L130 BoogieDeclarations]: Found specification of procedure _alloc_mISDN_skb [2019-10-15 02:52:29,534 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-15 02:52:29,534 INFO L130 BoogieDeclarations]: Found specification of procedure _queue_data [2019-10-15 02:52:29,534 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-15 02:52:29,534 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_register_device [2019-10-15 02:52:29,535 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_unregister_device [2019-10-15 02:52:29,535 INFO L130 BoogieDeclarations]: Found specification of procedure create_l1 [2019-10-15 02:52:29,535 INFO L130 BoogieDeclarations]: Found specification of procedure l1_event [2019-10-15 02:52:29,535 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_initdchannel [2019-10-15 02:52:29,535 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_initbchannel [2019-10-15 02:52:29,535 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_freedchannel [2019-10-15 02:52:29,535 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_clear_bchannel [2019-10-15 02:52:29,535 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_freebchannel [2019-10-15 02:52:29,536 INFO L130 BoogieDeclarations]: Found specification of procedure mISDN_ctrl_bchannel [2019-10-15 02:52:29,536 INFO L130 BoogieDeclarations]: Found specification of procedure queue_ch_frame [2019-10-15 02:52:29,536 INFO L130 BoogieDeclarations]: Found specification of procedure dchannel_senddata [2019-10-15 02:52:29,536 INFO L130 BoogieDeclarations]: Found specification of procedure bchannel_senddata [2019-10-15 02:52:29,536 INFO L130 BoogieDeclarations]: Found specification of procedure bchannel_get_rxbuf [2019-10-15 02:52:29,536 INFO L130 BoogieDeclarations]: Found specification of procedure recv_Dchannel [2019-10-15 02:52:29,536 INFO L130 BoogieDeclarations]: Found specification of procedure recv_Bchannel [2019-10-15 02:52:29,536 INFO L130 BoogieDeclarations]: Found specification of procedure get_next_bframe [2019-10-15 02:52:29,537 INFO L130 BoogieDeclarations]: Found specification of procedure get_next_dframe [2019-10-15 02:52:29,537 INFO L130 BoogieDeclarations]: Found specification of procedure _set_debug [2019-10-15 02:52:29,537 INFO L130 BoogieDeclarations]: Found specification of procedure set_debug [2019-10-15 02:52:29,537 INFO L130 BoogieDeclarations]: Found specification of procedure ReadW6692 [2019-10-15 02:52:29,537 INFO L130 BoogieDeclarations]: Found specification of procedure WriteW6692 [2019-10-15 02:52:29,537 INFO L130 BoogieDeclarations]: Found specification of procedure ReadW6692B [2019-10-15 02:52:29,538 INFO L130 BoogieDeclarations]: Found specification of procedure WriteW6692B [2019-10-15 02:52:29,539 INFO L130 BoogieDeclarations]: Found specification of procedure enable_hwirq [2019-10-15 02:52:29,539 INFO L130 BoogieDeclarations]: Found specification of procedure disable_hwirq [2019-10-15 02:52:29,539 INFO L130 BoogieDeclarations]: Found specification of procedure W6692Version [2019-10-15 02:52:29,539 INFO L130 BoogieDeclarations]: Found specification of procedure w6692_led_handler [2019-10-15 02:52:29,539 INFO L130 BoogieDeclarations]: Found specification of procedure ph_command [2019-10-15 02:52:29,539 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 02:52:29,539 INFO L130 BoogieDeclarations]: Found specification of procedure W6692_new_ph [2019-10-15 02:52:29,540 INFO L130 BoogieDeclarations]: Found specification of procedure W6692_ph_bh [2019-10-15 02:52:29,540 INFO L130 BoogieDeclarations]: Found specification of procedure W6692_empty_Dfifo [2019-10-15 02:52:29,540 INFO L130 BoogieDeclarations]: Found specification of procedure W6692_fill_Dfifo [2019-10-15 02:52:29,540 INFO L130 BoogieDeclarations]: Found specification of procedure d_retransmit [2019-10-15 02:52:29,540 INFO L130 BoogieDeclarations]: Found specification of procedure handle_rxD [2019-10-15 02:52:29,540 INFO L130 BoogieDeclarations]: Found specification of procedure handle_txD [2019-10-15 02:52:29,540 INFO L130 BoogieDeclarations]: Found specification of procedure handle_statusD [2019-10-15 02:52:29,540 INFO L130 BoogieDeclarations]: Found specification of procedure W6692_empty_Bfifo [2019-10-15 02:52:29,540 INFO L130 BoogieDeclarations]: Found specification of procedure W6692_fill_Bfifo [2019-10-15 02:52:29,541 INFO L130 BoogieDeclarations]: Found specification of procedure disable_pots [2019-10-15 02:52:29,541 INFO L130 BoogieDeclarations]: Found specification of procedure w6692_mode [2019-10-15 02:52:29,541 INFO L130 BoogieDeclarations]: Found specification of procedure send_next [2019-10-15 02:52:29,541 INFO L130 BoogieDeclarations]: Found specification of procedure W6692B_interrupt [2019-10-15 02:52:29,541 INFO L130 BoogieDeclarations]: Found specification of procedure w6692_irq [2019-10-15 02:52:29,541 INFO L130 BoogieDeclarations]: Found specification of procedure dbusy_timer_handler [2019-10-15 02:52:29,541 INFO L130 BoogieDeclarations]: Found specification of procedure initW6692 [2019-10-15 02:52:29,542 INFO L130 BoogieDeclarations]: Found specification of procedure reset_w6692 [2019-10-15 02:52:29,542 INFO L130 BoogieDeclarations]: Found specification of procedure init_card [2019-10-15 02:52:29,542 INFO L130 BoogieDeclarations]: Found specification of procedure w6692_l2l1B [2019-10-15 02:52:29,542 INFO L130 BoogieDeclarations]: Found specification of procedure channel_bctrl [2019-10-15 02:52:29,542 INFO L130 BoogieDeclarations]: Found specification of procedure open_bchannel [2019-10-15 02:52:29,542 INFO L130 BoogieDeclarations]: Found specification of procedure channel_ctrl [2019-10-15 02:52:29,542 INFO L130 BoogieDeclarations]: Found specification of procedure w6692_bctrl [2019-10-15 02:52:29,542 INFO L130 BoogieDeclarations]: Found specification of procedure w6692_l2l1D [2019-10-15 02:52:29,543 INFO L130 BoogieDeclarations]: Found specification of procedure w6692_l1callback [2019-10-15 02:52:29,544 INFO L130 BoogieDeclarations]: Found specification of procedure open_dchannel [2019-10-15 02:52:29,544 INFO L130 BoogieDeclarations]: Found specification of procedure w6692_dctrl [2019-10-15 02:52:29,544 INFO L130 BoogieDeclarations]: Found specification of procedure setup_w6692 [2019-10-15 02:52:29,544 INFO L130 BoogieDeclarations]: Found specification of procedure release_card [2019-10-15 02:52:29,544 INFO L130 BoogieDeclarations]: Found specification of procedure setup_instance [2019-10-15 02:52:29,545 INFO L130 BoogieDeclarations]: Found specification of procedure w6692_probe [2019-10-15 02:52:29,545 INFO L130 BoogieDeclarations]: Found specification of procedure w6692_remove_pci [2019-10-15 02:52:29,545 INFO L130 BoogieDeclarations]: Found specification of procedure w6692_init [2019-10-15 02:52:29,545 INFO L130 BoogieDeclarations]: Found specification of procedure w6692_cleanup [2019-10-15 02:52:29,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-15 02:52:29,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-15 02:52:29,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_4 [2019-10-15 02:52:29,546 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2019-10-15 02:52:29,546 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 02:52:29,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-15 02:52:29,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-15 02:52:29,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-15 02:52:29,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-15 02:52:29,547 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-15 02:52:29,547 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2019-10-15 02:52:29,547 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2019-10-15 02:52:29,547 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2019-10-15 02:52:29,547 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2019-10-15 02:52:29,547 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-15 02:52:29,547 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-10-15 02:52:29,547 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 02:52:29,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 02:52:29,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 02:52:29,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-15 02:52:29,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 02:52:29,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-15 02:52:29,548 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-15 02:52:29,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-15 02:52:29,548 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-15 02:52:30,924 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-15 02:52:53,334 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 02:52:53,335 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-15 02:52:53,337 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 02:52:53 BoogieIcfgContainer [2019-10-15 02:52:53,337 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 02:52:53,338 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 02:52:53,338 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 02:52:53,342 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 02:52:53,342 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 02:52:25" (1/3) ... [2019-10-15 02:52:53,343 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42c49d1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 02:52:53, skipping insertion in model container [2019-10-15 02:52:53,343 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 02:52:28" (2/3) ... [2019-10-15 02:52:53,343 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42c49d1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 02:52:53, skipping insertion in model container [2019-10-15 02:52:53,343 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 02:52:53" (3/3) ... [2019-10-15 02:52:53,345 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--isdn--hardware--mISDN--w6692.ko-entry_point.cil.out.i [2019-10-15 02:52:53,355 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 02:52:53,366 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 02:52:53,378 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 02:52:53,413 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 02:52:53,413 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 02:52:53,413 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 02:52:53,413 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 02:52:53,413 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 02:52:53,413 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 02:52:53,413 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 02:52:53,413 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 02:52:53,460 INFO L276 IsEmpty]: Start isEmpty. Operand 1413 states. [2019-10-15 02:52:53,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-15 02:52:53,469 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:52:53,470 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] [2019-10-15 02:52:53,473 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:52:53,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:52:53,479 INFO L82 PathProgramCache]: Analyzing trace with hash -1008416180, now seen corresponding path program 1 times [2019-10-15 02:52:53,485 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:52:53,486 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640192079] [2019-10-15 02:52:53,486 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:52:53,486 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:52:53,486 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:52:54,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:52:54,657 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-15 02:52:54,658 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640192079] [2019-10-15 02:52:54,659 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:52:54,659 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 02:52:54,660 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198694809] [2019-10-15 02:52:54,664 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 02:52:54,665 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:52:54,679 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 02:52:54,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:52:54,682 INFO L87 Difference]: Start difference. First operand 1413 states. Second operand 3 states. [2019-10-15 02:52:56,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:52:56,635 INFO L93 Difference]: Finished difference Result 2835 states and 3812 transitions. [2019-10-15 02:52:56,636 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 02:52:56,637 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-10-15 02:52:56,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:52:56,671 INFO L225 Difference]: With dead ends: 2835 [2019-10-15 02:52:56,672 INFO L226 Difference]: Without dead ends: 1707 [2019-10-15 02:52:56,683 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 [2019-10-15 02:52:56,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1707 states. [2019-10-15 02:52:56,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1707 to 1696. [2019-10-15 02:52:56,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1696 states. [2019-10-15 02:52:56,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1696 states to 1696 states and 2273 transitions. [2019-10-15 02:52:56,929 INFO L78 Accepts]: Start accepts. Automaton has 1696 states and 2273 transitions. Word has length 47 [2019-10-15 02:52:56,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:52:56,930 INFO L462 AbstractCegarLoop]: Abstraction has 1696 states and 2273 transitions. [2019-10-15 02:52:56,930 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 02:52:56,930 INFO L276 IsEmpty]: Start isEmpty. Operand 1696 states and 2273 transitions. [2019-10-15 02:52:56,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2019-10-15 02:52:56,948 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:52:56,948 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] [2019-10-15 02:52:56,949 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:52:56,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:52:56,949 INFO L82 PathProgramCache]: Analyzing trace with hash 1540079543, now seen corresponding path program 1 times [2019-10-15 02:52:56,949 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:52:56,950 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194337] [2019-10-15 02:52:56,950 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:52:56,950 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:52:56,950 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:52:58,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:52:58,302 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-10-15 02:52:58,303 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194337] [2019-10-15 02:52:58,303 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:52:58,303 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 02:52:58,303 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028211345] [2019-10-15 02:52:58,305 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 02:52:58,306 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:52:58,306 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 02:52:58,306 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 02:52:58,306 INFO L87 Difference]: Start difference. First operand 1696 states and 2273 transitions. Second operand 3 states. [2019-10-15 02:53:02,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 02:53:02,273 INFO L93 Difference]: Finished difference Result 3372 states and 4524 transitions. [2019-10-15 02:53:02,273 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 02:53:02,273 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 81 [2019-10-15 02:53:02,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 02:53:02,286 INFO L225 Difference]: With dead ends: 3372 [2019-10-15 02:53:02,286 INFO L226 Difference]: Without dead ends: 1696 [2019-10-15 02:53:02,295 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 [2019-10-15 02:53:02,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1696 states. [2019-10-15 02:53:02,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1696 to 1696. [2019-10-15 02:53:02,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1696 states. [2019-10-15 02:53:02,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1696 states to 1696 states and 2272 transitions. [2019-10-15 02:53:02,388 INFO L78 Accepts]: Start accepts. Automaton has 1696 states and 2272 transitions. Word has length 81 [2019-10-15 02:53:02,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 02:53:02,389 INFO L462 AbstractCegarLoop]: Abstraction has 1696 states and 2272 transitions. [2019-10-15 02:53:02,390 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 02:53:02,390 INFO L276 IsEmpty]: Start isEmpty. Operand 1696 states and 2272 transitions. [2019-10-15 02:53:02,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2019-10-15 02:53:02,394 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 02:53:02,395 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] [2019-10-15 02:53:02,395 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 02:53:02,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 02:53:02,396 INFO L82 PathProgramCache]: Analyzing trace with hash 213442431, now seen corresponding path program 1 times [2019-10-15 02:53:02,396 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 02:53:02,396 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838955036] [2019-10-15 02:53:02,397 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:53:02,397 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 02:53:02,397 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 02:53:02,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 02:53:03,059 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-15 02:53:03,060 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [838955036] [2019-10-15 02:53:03,060 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 02:53:03,060 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 02:53:03,061 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868938870] [2019-10-15 02:53:03,062 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 02:53:03,062 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 02:53:03,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 02:53:03,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 02:53:03,063 INFO L87 Difference]: Start difference. First operand 1696 states and 2272 transitions. Second operand 5 states.