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-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--ttusb-dec--ttusb_dec.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 22:08:43,172 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 22:08:43,175 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 22:08:43,191 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 22:08:43,191 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 22:08:43,194 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 22:08:43,196 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 22:08:43,206 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 22:08:43,211 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 22:08:43,214 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 22:08:43,215 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 22:08:43,217 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 22:08:43,217 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 22:08:43,219 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 22:08:43,221 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 22:08:43,223 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 22:08:43,224 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 22:08:43,225 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 22:08:43,226 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 22:08:43,231 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 22:08:43,236 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 22:08:43,237 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 22:08:43,238 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 22:08:43,240 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 22:08:43,242 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 22:08:43,242 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 22:08:43,242 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 22:08:43,244 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 22:08:43,245 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 22:08:43,246 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 22:08:43,247 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 22:08:43,248 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 22:08:43,249 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 22:08:43,250 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 22:08:43,251 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 22:08:43,252 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 22:08:43,252 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 22:08:43,252 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 22:08:43,253 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 22:08:43,253 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 22:08:43,255 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 22:08:43,256 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 22:08:43,287 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 22:08:43,288 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 22:08:43,295 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 22:08:43,296 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 22:08:43,296 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 22:08:43,296 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 22:08:43,296 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 22:08:43,297 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 22:08:43,297 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 22:08:43,297 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 22:08:43,297 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 22:08:43,297 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 22:08:43,298 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 22:08:43,298 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 22:08:43,298 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 22:08:43,299 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 22:08:43,299 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 22:08:43,299 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 22:08:43,299 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 22:08:43,300 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 22:08:43,300 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 22:08:43,300 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 22:08:43,300 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 22:08:43,301 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 22:08:43,301 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 22:08:43,301 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 22:08:43,301 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 22:08:43,301 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 22:08:43,301 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 22:08:43,605 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 22:08:43,630 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 22:08:43,634 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 22:08:43,635 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 22:08:43,636 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 22:08:43,637 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--ttusb-dec--ttusb_dec.ko-entry_point.cil.out.i [2019-10-13 22:08:43,723 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d41888c71/f1e14b9bc0d94437b1f6f50b27b61924/FLAG21a39c36e [2019-10-13 22:08:44,643 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 22:08:44,644 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--ttusb-dec--ttusb_dec.ko-entry_point.cil.out.i [2019-10-13 22:08:44,699 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d41888c71/f1e14b9bc0d94437b1f6f50b27b61924/FLAG21a39c36e [2019-10-13 22:08:45,029 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d41888c71/f1e14b9bc0d94437b1f6f50b27b61924 [2019-10-13 22:08:45,038 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 22:08:45,039 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 22:08:45,040 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 22:08:45,041 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 22:08:45,044 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 22:08:45,045 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:08:45" (1/1) ... [2019-10-13 22:08:45,048 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30f3d585 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:08:45, skipping insertion in model container [2019-10-13 22:08:45,048 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:08:45" (1/1) ... [2019-10-13 22:08:45,056 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 22:08:45,235 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 22:08:47,587 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 22:08:47,636 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 22:08:48,189 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 22:08:48,373 INFO L192 MainTranslator]: Completed translation [2019-10-13 22:08:48,373 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:08:48 WrapperNode [2019-10-13 22:08:48,374 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 22:08:48,374 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 22:08:48,375 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 22:08:48,375 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 22:08:48,390 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:08:48" (1/1) ... [2019-10-13 22:08:48,390 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:08:48" (1/1) ... [2019-10-13 22:08:48,482 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:08:48" (1/1) ... [2019-10-13 22:08:48,483 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:08:48" (1/1) ... [2019-10-13 22:08:48,614 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:08:48" (1/1) ... [2019-10-13 22:08:48,646 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:08:48" (1/1) ... [2019-10-13 22:08:48,696 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:08:48" (1/1) ... [2019-10-13 22:08:48,736 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 22:08:48,737 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 22:08:48,737 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 22:08:48,737 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 22:08:48,738 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:08:48" (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 22:08:48,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 22:08:48,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 22:08:48,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2019-10-13 22:08:48,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~dma_addr_t~0~X~$Pointer$~TO~VOID [2019-10-13 22:08:48,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~X~$Pointer$~X~int~TO~int [2019-10-13 22:08:48,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-13 22:08:48,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2019-10-13 22:08:48,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-10-13 22:08:48,831 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_swab32 [2019-10-13 22:08:48,832 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2019-10-13 22:08:48,832 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2019-10-13 22:08:48,833 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-10-13 22:08:48,833 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2019-10-13 22:08:48,833 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2019-10-13 22:08:48,833 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2019-10-13 22:08:48,833 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-10-13 22:08:48,836 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2019-10-13 22:08:48,836 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-13 22:08:48,836 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-10-13 22:08:48,836 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2019-10-13 22:08:48,837 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2019-10-13 22:08:48,837 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2019-10-13 22:08:48,837 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-13 22:08:48,837 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-13 22:08:48,837 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-13 22:08:48,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-13 22:08:48,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-13 22:08:48,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-13 22:08:48,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-13 22:08:48,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-13 22:08:48,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-13 22:08:48,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-13 22:08:48,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-13 22:08:48,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-13 22:08:48,840 INFO L138 BoogieDeclarations]: Found implementation of procedure is_device_dma_capable [2019-10-13 22:08:48,840 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2019-10-13 22:08:48,840 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_mask [2019-10-13 22:08:48,840 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_gfp_flags [2019-10-13 22:08:48,840 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2019-10-13 22:08:48,840 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2019-10-13 22:08:48,841 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2019-10-13 22:08:48,841 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2019-10-13 22:08:48,841 INFO L138 BoogieDeclarations]: Found implementation of procedure input_allocate_device [2019-10-13 22:08:48,841 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_key [2019-10-13 22:08:48,841 INFO L138 BoogieDeclarations]: Found implementation of procedure input_sync [2019-10-13 22:08:48,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_handle_irq [2019-10-13 22:08:48,842 INFO L138 BoogieDeclarations]: Found implementation of procedure crc16 [2019-10-13 22:08:48,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_send_command [2019-10-13 22:08:48,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_get_stb_state [2019-10-13 22:08:48,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_audio_pes2ts_cb [2019-10-13 22:08:48,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_video_pes2ts_cb [2019-10-13 22:08:48,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_set_pids [2019-10-13 22:08:48,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_process_pva [2019-10-13 22:08:48,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_process_filter [2019-10-13 22:08:48,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_process_packet [2019-10-13 22:08:48,844 INFO L138 BoogieDeclarations]: Found implementation of procedure swap_bytes [2019-10-13 22:08:48,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_process_urb_frame [2019-10-13 22:08:48,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_process_urb_frame_list [2019-10-13 22:08:48,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_process_urb [2019-10-13 22:08:48,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_setup_urbs [2019-10-13 22:08:48,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_stop_iso_xfer [2019-10-13 22:08:48,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_set_interface [2019-10-13 22:08:48,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_start_iso_xfer [2019-10-13 22:08:48,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_start_ts_feed [2019-10-13 22:08:48,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_start_sec_feed [2019-10-13 22:08:48,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_start_feed [2019-10-13 22:08:48,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_stop_ts_feed [2019-10-13 22:08:48,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_stop_sec_feed [2019-10-13 22:08:48,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_stop_feed [2019-10-13 22:08:48,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_free_iso_urbs [2019-10-13 22:08:48,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_alloc_iso_urbs [2019-10-13 22:08:48,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_init_tasklet [2019-10-13 22:08:48,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_init_rc [2019-10-13 22:08:48,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_init_v_pes [2019-10-13 22:08:48,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_init_usb [2019-10-13 22:08:48,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_boot_dsp [2019-10-13 22:08:48,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_init_stb [2019-10-13 22:08:48,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_init_dvb [2019-10-13 22:08:48,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_exit_dvb [2019-10-13 22:08:48,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_exit_rc [2019-10-13 22:08:48,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_exit_usb [2019-10-13 22:08:48,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_exit_tasklet [2019-10-13 22:08:48,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_init_filters [2019-10-13 22:08:48,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_exit_filters [2019-10-13 22:08:48,854 INFO L138 BoogieDeclarations]: Found implementation of procedure fe_send_command [2019-10-13 22:08:48,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_probe [2019-10-13 22:08:48,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_disconnect [2019-10-13 22:08:48,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_set_model [2019-10-13 22:08:48,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_driver_init [2019-10-13 22:08:48,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_driver_exit [2019-10-13 22:08:48,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2019-10-13 22:08:48,857 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 22:08:48,857 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2019-10-13 22:08:48,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_2 [2019-10-13 22:08:48,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_3 [2019-10-13 22:08:48,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_4 [2019-10-13 22:08:48,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_5 [2019-10-13 22:08:48,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_6 [2019-10-13 22:08:48,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_7 [2019-10-13 22:08:48,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_8 [2019-10-13 22:08:48,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_9 [2019-10-13 22:08:48,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_int_urb_10 [2019-10-13 22:08:48,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_11 [2019-10-13 22:08:48,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_12 [2019-10-13 22:08:48,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_13 [2019-10-13 22:08:48,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_15 [2019-10-13 22:08:48,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_16 [2019-10-13 22:08:48,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2019-10-13 22:08:48,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata [2019-10-13 22:08:48,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata [2019-10-13 22:08:48,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_intf [2019-10-13 22:08:48,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2019-10-13 22:08:48,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2019-10-13 22:08:48,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_int_urb [2019-10-13 22:08:48,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_bulk_urb [2019-10-13 22:08:48,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2019-10-13 22:08:48,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interface_to_usbdev [2019-10-13 22:08:48,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_dev [2019-10-13 22:08:48,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_dev [2019-10-13 22:08:48,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_interface [2019-10-13 22:08:48,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_interface [2019-10-13 22:08:48,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_register [2019-10-13 22:08:48,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_deregister [2019-10-13 22:08:48,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-13 22:08:48,865 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-10-13 22:08:48,865 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-10-13 22:08:48,866 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-13 22:08:48,866 INFO L138 BoogieDeclarations]: Found implementation of procedure __tasklet_schedule [2019-10-13 22:08:48,866 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-10-13 22:08:48,866 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-10-13 22:08:48,866 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2019-10-13 22:08:48,867 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_alloc_coherent [2019-10-13 22:08:48,867 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_free_coherent [2019-10-13 22:08:48,868 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmx_init [2019-10-13 22:08:48,871 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmx_release [2019-10-13 22:08:48,872 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmxdev_init [2019-10-13 22:08:48,872 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmxdev_release [2019-10-13 22:08:48,872 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_filter_pes2ts [2019-10-13 22:08:48,873 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_filter_pes2ts_init [2019-10-13 22:08:48,873 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_net_init [2019-10-13 22:08:48,873 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_net_release [2019-10-13 22:08:48,873 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_register_adapter [2019-10-13 22:08:48,873 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_register_frontend [2019-10-13 22:08:48,874 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_unregister_adapter [2019-10-13 22:08:48,882 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_unregister_frontend [2019-10-13 22:08:48,883 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2019-10-13 22:08:48,883 INFO L138 BoogieDeclarations]: Found implementation of procedure input_free_device [2019-10-13 22:08:48,883 INFO L138 BoogieDeclarations]: Found implementation of procedure input_register_device [2019-10-13 22:08:48,883 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_device [2019-10-13 22:08:48,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-13 22:08:48,883 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2019-10-13 22:08:48,884 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2019-10-13 22:08:48,884 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-13 22:08:48,884 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-13 22:08:48,884 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2019-10-13 22:08:48,884 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2019-10-13 22:08:48,884 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2019-10-13 22:08:48,884 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2019-10-13 22:08:48,884 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2019-10-13 22:08:48,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusbdecfe_dvbs_attach [2019-10-13 22:08:48,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusbdecfe_dvbt_attach [2019-10-13 22:08:48,885 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2019-10-13 22:08:48,885 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2019-10-13 22:08:48,885 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2019-10-13 22:08:48,885 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2019-10-13 22:08:48,885 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2019-10-13 22:08:48,886 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2019-10-13 22:08:48,886 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2019-10-13 22:08:48,886 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-10-13 22:08:48,886 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-13 22:08:48,886 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-13 22:08:48,887 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-13 22:08:48,887 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-13 22:08:48,887 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-13 22:08:48,887 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 22:08:48,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-13 22:08:48,887 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-13 22:08:48,887 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-13 22:08:48,888 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2019-10-13 22:08:48,888 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_swab32 [2019-10-13 22:08:48,888 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2019-10-13 22:08:48,888 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2019-10-13 22:08:48,888 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-10-13 22:08:48,888 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2019-10-13 22:08:48,888 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-13 22:08:48,888 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-10-13 22:08:48,889 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-10-13 22:08:48,889 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2019-10-13 22:08:48,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 22:08:48,889 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2019-10-13 22:08:48,889 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-10-13 22:08:48,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 22:08:48,889 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-10-13 22:08:48,890 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2019-10-13 22:08:48,890 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2019-10-13 22:08:48,890 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-13 22:08:48,890 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-10-13 22:08:48,890 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-10-13 22:08:48,890 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-13 22:08:48,890 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-10-13 22:08:48,891 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-10-13 22:08:48,891 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2019-10-13 22:08:48,891 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-13 22:08:48,891 INFO L130 BoogieDeclarations]: Found specification of procedure __tasklet_schedule [2019-10-13 22:08:48,891 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2019-10-13 22:08:48,891 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2019-10-13 22:08:48,892 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2019-10-13 22:08:48,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_13 [2019-10-13 22:08:48,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_12 [2019-10-13 22:08:48,892 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2019-10-13 22:08:48,892 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2019-10-13 22:08:48,892 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 22:08:48,893 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2019-10-13 22:08:48,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_15 [2019-10-13 22:08:48,893 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2019-10-13 22:08:48,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_16 [2019-10-13 22:08:48,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_int_urb_10 [2019-10-13 22:08:48,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_6 [2019-10-13 22:08:48,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_8 [2019-10-13 22:08:48,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_5 [2019-10-13 22:08:48,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_9 [2019-10-13 22:08:48,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_11 [2019-10-13 22:08:48,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_2 [2019-10-13 22:08:48,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_3 [2019-10-13 22:08:48,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_4 [2019-10-13 22:08:48,894 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_7 [2019-10-13 22:08:48,895 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2019-10-13 22:08:48,895 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2019-10-13 22:08:48,895 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2019-10-13 22:08:48,895 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2019-10-13 22:08:48,895 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2019-10-13 22:08:48,895 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2019-10-13 22:08:48,895 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 22:08:48,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2019-10-13 22:08:48,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2019-10-13 22:08:48,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_int_urb [2019-10-13 22:08:48,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2019-10-13 22:08:48,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interface_to_usbdev [2019-10-13 22:08:48,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata [2019-10-13 22:08:48,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata [2019-10-13 22:08:48,896 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-13 22:08:48,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-13 22:08:48,897 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-13 22:08:48,897 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-13 22:08:48,897 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-13 22:08:48,897 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 22:08:48,897 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-13 22:08:48,897 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 22:08:48,898 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-13 22:08:48,898 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-13 22:08:48,898 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-13 22:08:48,898 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 22:08:48,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-13 22:08:48,898 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-13 22:08:48,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-13 22:08:48,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-13 22:08:48,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-13 22:08:48,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-13 22:08:48,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-13 22:08:48,899 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-13 22:08:48,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2019-10-13 22:08:48,906 INFO L130 BoogieDeclarations]: Found specification of procedure is_device_dma_capable [2019-10-13 22:08:48,906 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_alloc_coherent [2019-10-13 22:08:48,906 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_free_coherent [2019-10-13 22:08:48,906 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2019-10-13 22:08:48,906 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_mask [2019-10-13 22:08:48,907 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_gfp_flags [2019-10-13 22:08:48,907 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2019-10-13 22:08:48,907 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2019-10-13 22:08:48,907 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2019-10-13 22:08:48,907 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~dma_addr_t~0~X~$Pointer$~TO~VOID [2019-10-13 22:08:48,907 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2019-10-13 22:08:48,912 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2019-10-13 22:08:48,912 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2019-10-13 22:08:48,912 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2019-10-13 22:08:48,912 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2019-10-13 22:08:48,913 INFO L130 BoogieDeclarations]: Found specification of procedure input_allocate_device [2019-10-13 22:08:48,913 INFO L130 BoogieDeclarations]: Found specification of procedure input_free_device [2019-10-13 22:08:48,913 INFO L130 BoogieDeclarations]: Found specification of procedure input_register_device [2019-10-13 22:08:48,913 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_device [2019-10-13 22:08:48,913 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2019-10-13 22:08:48,913 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_key [2019-10-13 22:08:48,913 INFO L130 BoogieDeclarations]: Found specification of procedure input_sync [2019-10-13 22:08:48,913 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_register_adapter [2019-10-13 22:08:48,914 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_unregister_adapter [2019-10-13 22:08:48,914 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmxdev_init [2019-10-13 22:08:48,914 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmxdev_release [2019-10-13 22:08:48,914 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmx_init [2019-10-13 22:08:48,915 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmx_release [2019-10-13 22:08:48,915 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_filter_pes2ts_init [2019-10-13 22:08:48,915 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_filter_pes2ts [2019-10-13 22:08:48,915 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_register_frontend [2019-10-13 22:08:48,916 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_unregister_frontend [2019-10-13 22:08:48,916 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_net_release [2019-10-13 22:08:48,916 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_net_init [2019-10-13 22:08:48,916 INFO L130 BoogieDeclarations]: Found specification of procedure ttusbdecfe_dvbs_attach [2019-10-13 22:08:48,916 INFO L130 BoogieDeclarations]: Found specification of procedure ttusbdecfe_dvbt_attach [2019-10-13 22:08:48,916 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_set_model [2019-10-13 22:08:48,916 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_handle_irq [2019-10-13 22:08:48,916 INFO L130 BoogieDeclarations]: Found specification of procedure crc16 [2019-10-13 22:08:48,917 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_send_command [2019-10-13 22:08:48,917 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-13 22:08:48,917 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 22:08:48,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 22:08:48,917 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_get_stb_state [2019-10-13 22:08:48,917 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_audio_pes2ts_cb [2019-10-13 22:08:48,917 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~X~$Pointer$~X~int~TO~int [2019-10-13 22:08:48,917 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_video_pes2ts_cb [2019-10-13 22:08:48,918 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_set_pids [2019-10-13 22:08:48,918 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_process_pva [2019-10-13 22:08:48,918 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_process_filter [2019-10-13 22:08:48,918 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_process_packet [2019-10-13 22:08:48,918 INFO L130 BoogieDeclarations]: Found specification of procedure swap_bytes [2019-10-13 22:08:48,918 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_process_urb_frame [2019-10-13 22:08:48,918 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_process_urb_frame_list [2019-10-13 22:08:48,918 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_process_urb [2019-10-13 22:08:48,918 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_setup_urbs [2019-10-13 22:08:48,919 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_stop_iso_xfer [2019-10-13 22:08:48,919 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_set_interface [2019-10-13 22:08:48,919 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_start_iso_xfer [2019-10-13 22:08:48,919 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_start_ts_feed [2019-10-13 22:08:48,919 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_start_sec_feed [2019-10-13 22:08:48,919 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_start_feed [2019-10-13 22:08:48,919 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_stop_ts_feed [2019-10-13 22:08:48,919 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_stop_sec_feed [2019-10-13 22:08:48,920 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_stop_feed [2019-10-13 22:08:48,920 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_free_iso_urbs [2019-10-13 22:08:48,920 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_alloc_iso_urbs [2019-10-13 22:08:48,920 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-13 22:08:48,920 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_init_tasklet [2019-10-13 22:08:48,920 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_init_rc [2019-10-13 22:08:48,920 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_init_v_pes [2019-10-13 22:08:48,920 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_init_usb [2019-10-13 22:08:48,920 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_boot_dsp [2019-10-13 22:08:48,921 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_init_stb [2019-10-13 22:08:48,921 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_init_dvb [2019-10-13 22:08:48,921 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-13 22:08:48,921 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_exit_dvb [2019-10-13 22:08:48,921 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2019-10-13 22:08:48,921 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-10-13 22:08:48,922 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_exit_rc [2019-10-13 22:08:48,922 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_exit_usb [2019-10-13 22:08:48,922 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_exit_tasklet [2019-10-13 22:08:48,922 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_init_filters [2019-10-13 22:08:48,922 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_exit_filters [2019-10-13 22:08:48,922 INFO L130 BoogieDeclarations]: Found specification of procedure fe_send_command [2019-10-13 22:08:48,923 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_probe [2019-10-13 22:08:48,923 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_disconnect [2019-10-13 22:08:48,923 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_driver_init [2019-10-13 22:08:48,923 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_driver_exit [2019-10-13 22:08:48,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-13 22:08:48,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-13 22:08:48,924 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 22:08:48,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2019-10-13 22:08:48,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_intf [2019-10-13 22:08:48,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_bulk_urb [2019-10-13 22:08:48,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_dev [2019-10-13 22:08:48,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_dev [2019-10-13 22:08:48,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_interface [2019-10-13 22:08:48,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_interface [2019-10-13 22:08:48,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_register [2019-10-13 22:08:48,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_deregister [2019-10-13 22:08:48,926 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-13 22:08:48,926 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-13 22:08:48,926 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 22:08:48,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 22:08:48,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 22:08:48,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-13 22:08:48,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 22:08:48,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-13 22:08:48,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-13 22:08:48,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-13 22:08:48,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-13 22:08:50,226 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-13 22:08:59,048 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2019-10-13 22:09:19,179 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 22:09:19,179 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-13 22:09:19,181 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:09:19 BoogieIcfgContainer [2019-10-13 22:09:19,181 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 22:09:19,183 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 22:09:19,183 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 22:09:19,187 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 22:09:19,188 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 10:08:45" (1/3) ... [2019-10-13 22:09:19,188 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d6cdcf5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:09:19, skipping insertion in model container [2019-10-13 22:09:19,189 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:08:48" (2/3) ... [2019-10-13 22:09:19,189 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d6cdcf5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:09:19, skipping insertion in model container [2019-10-13 22:09:19,189 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:09:19" (3/3) ... [2019-10-13 22:09:19,191 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--ttusb-dec--ttusb_dec.ko-entry_point.cil.out.i [2019-10-13 22:09:19,200 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 22:09:19,210 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 22:09:19,220 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 22:09:19,267 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 22:09:19,267 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 22:09:19,267 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 22:09:19,267 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 22:09:19,267 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 22:09:19,267 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 22:09:19,268 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 22:09:19,268 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 22:09:19,316 INFO L276 IsEmpty]: Start isEmpty. Operand 1228 states. [2019-10-13 22:09:19,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-10-13 22:09:19,328 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:09:19,329 INFO L380 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:09:19,332 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:09:19,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:09:19,338 INFO L82 PathProgramCache]: Analyzing trace with hash 1972536631, now seen corresponding path program 1 times [2019-10-13 22:09:19,348 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:09:19,348 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231011283] [2019-10-13 22:09:19,348 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:09:19,349 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:09:19,349 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:09:19,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:09:20,520 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2019-10-13 22:09:20,521 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231011283] [2019-10-13 22:09:20,522 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:09:20,522 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 22:09:20,523 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216105409] [2019-10-13 22:09:20,533 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 22:09:20,534 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:09:20,549 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 22:09:20,550 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:09:20,553 INFO L87 Difference]: Start difference. First operand 1228 states. Second operand 3 states. [2019-10-13 22:09:23,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:09:23,371 INFO L93 Difference]: Finished difference Result 3224 states and 4164 transitions. [2019-10-13 22:09:23,372 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 22:09:23,373 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 64 [2019-10-13 22:09:23,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:09:23,409 INFO L225 Difference]: With dead ends: 3224 [2019-10-13 22:09:23,409 INFO L226 Difference]: Without dead ends: 2115 [2019-10-13 22:09:23,421 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 22:09:23,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2115 states. [2019-10-13 22:09:23,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2115 to 2115. [2019-10-13 22:09:23,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2115 states. [2019-10-13 22:09:23,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2115 states to 2115 states and 2717 transitions. [2019-10-13 22:09:23,676 INFO L78 Accepts]: Start accepts. Automaton has 2115 states and 2717 transitions. Word has length 64 [2019-10-13 22:09:23,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:09:23,677 INFO L462 AbstractCegarLoop]: Abstraction has 2115 states and 2717 transitions. [2019-10-13 22:09:23,677 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 22:09:23,678 INFO L276 IsEmpty]: Start isEmpty. Operand 2115 states and 2717 transitions. [2019-10-13 22:09:23,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-10-13 22:09:23,694 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:09:23,694 INFO L380 BasicCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:09:23,695 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:09:23,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:09:23,695 INFO L82 PathProgramCache]: Analyzing trace with hash 1823083753, now seen corresponding path program 1 times [2019-10-13 22:09:23,695 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:09:23,696 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133180778] [2019-10-13 22:09:23,696 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:09:23,696 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:09:23,696 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:09:23,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:09:24,237 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2019-10-13 22:09:24,238 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133180778] [2019-10-13 22:09:24,238 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:09:24,238 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 22:09:24,239 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115203745] [2019-10-13 22:09:24,240 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 22:09:24,241 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:09:24,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 22:09:24,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:09:24,242 INFO L87 Difference]: Start difference. First operand 2115 states and 2717 transitions. Second operand 3 states. [2019-10-13 22:09:24,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:09:24,415 INFO L93 Difference]: Finished difference Result 4140 states and 5397 transitions. [2019-10-13 22:09:24,416 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 22:09:24,416 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 77 [2019-10-13 22:09:24,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:09:24,449 INFO L225 Difference]: With dead ends: 4140 [2019-10-13 22:09:24,449 INFO L226 Difference]: Without dead ends: 4137 [2019-10-13 22:09:24,454 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 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 22:09:24,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4137 states. [2019-10-13 22:09:24,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4137 to 4125. [2019-10-13 22:09:24,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4125 states. [2019-10-13 22:09:24,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4125 states to 4125 states and 5380 transitions. [2019-10-13 22:09:24,683 INFO L78 Accepts]: Start accepts. Automaton has 4125 states and 5380 transitions. Word has length 77 [2019-10-13 22:09:24,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:09:24,684 INFO L462 AbstractCegarLoop]: Abstraction has 4125 states and 5380 transitions. [2019-10-13 22:09:24,684 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 22:09:24,684 INFO L276 IsEmpty]: Start isEmpty. Operand 4125 states and 5380 transitions. [2019-10-13 22:09:24,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-10-13 22:09:24,686 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:09:24,686 INFO L380 BasicCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:09:24,686 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:09:24,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:09:24,687 INFO L82 PathProgramCache]: Analyzing trace with hash 680363611, now seen corresponding path program 1 times [2019-10-13 22:09:24,687 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:09:24,687 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739502225] [2019-10-13 22:09:24,688 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:09:24,688 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:09:24,688 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:09:24,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat