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 --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/ldv-consumption/linux-3.8-rc1-32_7a-drivers--media--usb--ttusb-dec--ttusb_dec.ko-ldv_main0.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 00:20:46,779 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 00:20:46,784 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 00:20:46,797 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 00:20:46,797 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 00:20:46,799 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 00:20:46,800 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 00:20:46,802 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 00:20:46,804 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 00:20:46,805 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 00:20:46,806 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 00:20:46,807 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 00:20:46,808 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 00:20:46,809 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 00:20:46,810 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 00:20:46,811 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 00:20:46,812 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 00:20:46,813 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 00:20:46,815 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 00:20:46,817 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 00:20:46,818 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 00:20:46,820 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 00:20:46,821 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 00:20:46,821 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 00:20:46,824 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 00:20:46,824 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 00:20:46,825 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 00:20:46,826 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 00:20:46,826 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 00:20:46,827 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 00:20:46,827 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 00:20:46,828 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 00:20:46,829 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 00:20:46,830 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 00:20:46,831 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 00:20:46,831 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 00:20:46,832 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 00:20:46,832 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 00:20:46,832 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 00:20:46,833 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 00:20:46,834 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 00:20:46,835 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 00:20:46,860 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 00:20:46,860 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 00:20:46,862 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 00:20:46,862 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 00:20:46,862 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 00:20:46,862 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 00:20:46,862 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 00:20:46,863 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 00:20:46,863 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 00:20:46,863 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 00:20:46,865 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 00:20:46,865 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 00:20:46,865 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 00:20:46,866 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 00:20:46,866 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 00:20:46,866 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 00:20:46,867 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 00:20:46,867 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 00:20:46,867 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 00:20:46,867 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 00:20:46,868 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 00:20:46,868 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 00:20:46,868 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 00:20:46,868 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 00:20:46,869 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 00:20:46,869 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 00:20:46,869 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 00:20:46,869 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 00:20:46,869 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-15 00:20:47,150 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 00:20:47,164 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 00:20:47,167 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 00:20:47,169 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 00:20:47,169 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 00:20:47,170 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-consumption/linux-3.8-rc1-32_7a-drivers--media--usb--ttusb-dec--ttusb_dec.ko-ldv_main0.cil.out.i [2019-10-15 00:20:47,233 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c7bc5181/5f9935328ffa4e85b7b3cc2233f418a5/FLAGed82c3cab [2019-10-15 00:20:48,166 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 00:20:48,169 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-consumption/linux-3.8-rc1-32_7a-drivers--media--usb--ttusb-dec--ttusb_dec.ko-ldv_main0.cil.out.i [2019-10-15 00:20:48,213 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c7bc5181/5f9935328ffa4e85b7b3cc2233f418a5/FLAGed82c3cab [2019-10-15 00:20:48,586 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c7bc5181/5f9935328ffa4e85b7b3cc2233f418a5 [2019-10-15 00:20:48,596 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 00:20:48,598 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 00:20:48,599 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 00:20:48,600 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 00:20:48,603 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 00:20:48,605 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 12:20:48" (1/1) ... [2019-10-15 00:20:48,607 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f9167fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:20:48, skipping insertion in model container [2019-10-15 00:20:48,608 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 12:20:48" (1/1) ... [2019-10-15 00:20:48,616 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 00:20:48,800 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 00:20:51,031 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 00:20:51,069 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 00:20:51,563 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 00:20:51,758 INFO L192 MainTranslator]: Completed translation [2019-10-15 00:20:51,758 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:20:51 WrapperNode [2019-10-15 00:20:51,759 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 00:20:51,759 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 00:20:51,760 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 00:20:51,760 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 00:20:51,775 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:20:51" (1/1) ... [2019-10-15 00:20:51,775 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:20:51" (1/1) ... [2019-10-15 00:20:51,836 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:20:51" (1/1) ... [2019-10-15 00:20:51,837 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:20:51" (1/1) ... [2019-10-15 00:20:51,959 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:20:51" (1/1) ... [2019-10-15 00:20:51,996 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:20:51" (1/1) ... [2019-10-15 00:20:52,030 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:20:51" (1/1) ... [2019-10-15 00:20:52,070 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 00:20:52,070 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 00:20:52,071 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 00:20:52,071 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 00:20:52,072 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:20:51" (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 00:20:52,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 00:20:52,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 00:20:52,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2019-10-15 00:20:52,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~dma_addr_t~0~X~$Pointer$~TO~VOID [2019-10-15 00:20:52,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~X~$Pointer$~X~int~TO~int [2019-10-15 00:20:52,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-15 00:20:52,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2019-10-15 00:20:52,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-10-15 00:20:52,151 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-10-15 00:20:52,152 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2019-10-15 00:20:52,152 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_swab32 [2019-10-15 00:20:52,152 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2019-10-15 00:20:52,153 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2019-10-15 00:20:52,154 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-10-15 00:20:52,155 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2019-10-15 00:20:52,155 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2019-10-15 00:20:52,159 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2019-10-15 00:20:52,159 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-15 00:20:52,159 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-10-15 00:20:52,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-15 00:20:52,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-15 00:20:52,160 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-15 00:20:52,160 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-15 00:20:52,160 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-15 00:20:52,161 INFO L138 BoogieDeclarations]: Found implementation of procedure is_device_dma_capable [2019-10-15 00:20:52,161 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2019-10-15 00:20:52,161 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_mask [2019-10-15 00:20:52,161 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_gfp_flags [2019-10-15 00:20:52,161 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2019-10-15 00:20:52,162 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2019-10-15 00:20:52,162 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2019-10-15 00:20:52,162 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2019-10-15 00:20:52,162 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2019-10-15 00:20:52,162 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2019-10-15 00:20:52,162 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2019-10-15 00:20:52,162 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2019-10-15 00:20:52,163 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2019-10-15 00:20:52,163 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2019-10-15 00:20:52,163 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2019-10-15 00:20:52,163 INFO L138 BoogieDeclarations]: Found implementation of procedure input_allocate_device [2019-10-15 00:20:52,164 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_key [2019-10-15 00:20:52,164 INFO L138 BoogieDeclarations]: Found implementation of procedure input_sync [2019-10-15 00:20:52,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_handle_irq [2019-10-15 00:20:52,164 INFO L138 BoogieDeclarations]: Found implementation of procedure crc16 [2019-10-15 00:20:52,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_send_command [2019-10-15 00:20:52,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_get_stb_state [2019-10-15 00:20:52,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_audio_pes2ts_cb [2019-10-15 00:20:52,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_video_pes2ts_cb [2019-10-15 00:20:52,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_set_pids [2019-10-15 00:20:52,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_process_pva [2019-10-15 00:20:52,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_process_filter [2019-10-15 00:20:52,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_process_packet [2019-10-15 00:20:52,166 INFO L138 BoogieDeclarations]: Found implementation of procedure swap_bytes [2019-10-15 00:20:52,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_process_urb_frame [2019-10-15 00:20:52,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_process_urb_frame_list [2019-10-15 00:20:52,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_process_urb [2019-10-15 00:20:52,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_setup_urbs [2019-10-15 00:20:52,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_stop_iso_xfer [2019-10-15 00:20:52,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_set_interface [2019-10-15 00:20:52,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_start_iso_xfer [2019-10-15 00:20:52,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_start_ts_feed [2019-10-15 00:20:52,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_start_sec_feed [2019-10-15 00:20:52,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_start_feed [2019-10-15 00:20:52,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_stop_ts_feed [2019-10-15 00:20:52,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_stop_sec_feed [2019-10-15 00:20:52,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_stop_feed [2019-10-15 00:20:52,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_free_iso_urbs [2019-10-15 00:20:52,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_alloc_iso_urbs [2019-10-15 00:20:52,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_init_tasklet [2019-10-15 00:20:52,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_init_rc [2019-10-15 00:20:52,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_init_v_pes [2019-10-15 00:20:52,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_init_usb [2019-10-15 00:20:52,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_boot_dsp [2019-10-15 00:20:52,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_init_stb [2019-10-15 00:20:52,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_init_dvb [2019-10-15 00:20:52,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_exit_dvb [2019-10-15 00:20:52,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_exit_rc [2019-10-15 00:20:52,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_exit_usb [2019-10-15 00:20:52,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_exit_tasklet [2019-10-15 00:20:52,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_init_filters [2019-10-15 00:20:52,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_exit_filters [2019-10-15 00:20:52,172 INFO L138 BoogieDeclarations]: Found implementation of procedure fe_send_command [2019-10-15 00:20:52,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_probe [2019-10-15 00:20:52,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_disconnect [2019-10-15 00:20:52,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_set_model [2019-10-15 00:20:52,173 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 00:20:52,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2019-10-15 00:20:52,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2019-10-15 00:20:52,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2019-10-15 00:20:52,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_4 [2019-10-15 00:20:52,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2019-10-15 00:20:52,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_6 [2019-10-15 00:20:52,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2019-10-15 00:20:52,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_8 [2019-10-15 00:20:52,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2019-10-15 00:20:52,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_10 [2019-10-15 00:20:52,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_11 [2019-10-15 00:20:52,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_12 [2019-10-15 00:20:52,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_13 [2019-10-15 00:20:52,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_14 [2019-10-15 00:20:52,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-15 00:20:52,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-15 00:20:52,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_iso_mutex_of_ttusb_dec [2019-10-15 00:20:52,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_iso_mutex_of_ttusb_dec [2019-10-15 00:20:52,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_iso_mutex_of_ttusb_dec [2019-10-15 00:20:52,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_iso_mutex_of_ttusb_dec [2019-10-15 00:20:52,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_iso_mutex_of_ttusb_dec [2019-10-15 00:20:52,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_iso_mutex_of_ttusb_dec [2019-10-15 00:20:52,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_iso_mutex_of_ttusb_dec [2019-10-15 00:20:52,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2019-10-15 00:20:52,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2019-10-15 00:20:52,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2019-10-15 00:20:52,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2019-10-15 00:20:52,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-15 00:20:52,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2019-10-15 00:20:52,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2019-10-15 00:20:52,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-15 00:20:52,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-15 00:20:52,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2019-10-15 00:20:52,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2019-10-15 00:20:52,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-15 00:20:52,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-15 00:20:52,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2019-10-15 00:20:52,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_usb_mutex_of_ttusb_dec [2019-10-15 00:20:52,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_usb_mutex_of_ttusb_dec [2019-10-15 00:20:52,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_usb_mutex_of_ttusb_dec [2019-10-15 00:20:52,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_usb_mutex_of_ttusb_dec [2019-10-15 00:20:52,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_usb_mutex_of_ttusb_dec [2019-10-15 00:20:52,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_usb_mutex_of_ttusb_dec [2019-10-15 00:20:52,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_usb_mutex_of_ttusb_dec [2019-10-15 00:20:52,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-15 00:20:52,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-15 00:20:52,183 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-10-15 00:20:52,183 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-10-15 00:20:52,183 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-15 00:20:52,184 INFO L138 BoogieDeclarations]: Found implementation of procedure __tasklet_schedule [2019-10-15 00:20:52,184 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-10-15 00:20:52,187 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-10-15 00:20:52,188 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2019-10-15 00:20:52,188 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_alloc_coherent [2019-10-15 00:20:52,189 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_free_coherent [2019-10-15 00:20:52,189 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-15 00:20:52,189 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-10-15 00:20:52,190 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmx_init [2019-10-15 00:20:52,195 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmx_release [2019-10-15 00:20:52,196 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmxdev_init [2019-10-15 00:20:52,196 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmxdev_release [2019-10-15 00:20:52,196 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_filter_pes2ts [2019-10-15 00:20:52,196 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_filter_pes2ts_init [2019-10-15 00:20:52,196 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_net_init [2019-10-15 00:20:52,196 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_net_release [2019-10-15 00:20:52,196 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_register_adapter [2019-10-15 00:20:52,197 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_register_frontend [2019-10-15 00:20:52,197 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_unregister_adapter [2019-10-15 00:20:52,197 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_unregister_frontend [2019-10-15 00:20:52,198 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2019-10-15 00:20:52,198 INFO L138 BoogieDeclarations]: Found implementation of procedure input_free_device [2019-10-15 00:20:52,198 INFO L138 BoogieDeclarations]: Found implementation of procedure input_register_device [2019-10-15 00:20:52,199 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_device [2019-10-15 00:20:52,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2019-10-15 00:20:52,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value_probe [2019-10-15 00:20:52,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2019-10-15 00:20:52,199 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2019-10-15 00:20:52,199 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-10-15 00:20:52,199 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2019-10-15 00:20:52,200 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2019-10-15 00:20:52,200 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-15 00:20:52,200 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-15 00:20:52,200 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2019-10-15 00:20:52,200 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2019-10-15 00:20:52,200 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2019-10-15 00:20:52,200 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2019-10-15 00:20:52,201 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2019-10-15 00:20:52,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusbdecfe_dvbs_attach [2019-10-15 00:20:52,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusbdecfe_dvbt_attach [2019-10-15 00:20:52,201 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2019-10-15 00:20:52,201 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2019-10-15 00:20:52,201 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2019-10-15 00:20:52,201 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2019-10-15 00:20:52,201 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2019-10-15 00:20:52,202 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2019-10-15 00:20:52,202 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2019-10-15 00:20:52,202 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2019-10-15 00:20:52,202 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-10-15 00:20:52,202 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-15 00:20:52,202 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-15 00:20:52,203 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-15 00:20:52,203 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-15 00:20:52,203 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 00:20:52,203 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-15 00:20:52,203 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-10-15 00:20:52,203 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2019-10-15 00:20:52,203 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_swab32 [2019-10-15 00:20:52,204 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2019-10-15 00:20:52,204 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2019-10-15 00:20:52,204 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-15 00:20:52,204 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-10-15 00:20:52,204 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-10-15 00:20:52,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 00:20:52,204 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-10-15 00:20:52,205 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2019-10-15 00:20:52,205 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 00:20:52,205 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2019-10-15 00:20:52,205 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-15 00:20:52,205 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-15 00:20:52,205 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2019-10-15 00:20:52,205 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-10-15 00:20:52,205 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2019-10-15 00:20:52,206 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2019-10-15 00:20:52,206 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-10-15 00:20:52,206 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2019-10-15 00:20:52,206 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_4 [2019-10-15 00:20:52,206 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-15 00:20:52,206 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2019-10-15 00:20:52,206 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2019-10-15 00:20:52,207 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2019-10-15 00:20:52,207 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_8 [2019-10-15 00:20:52,207 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2019-10-15 00:20:52,207 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_11 [2019-10-15 00:20:52,207 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_13 [2019-10-15 00:20:52,207 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_14 [2019-10-15 00:20:52,207 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2019-10-15 00:20:52,207 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_6 [2019-10-15 00:20:52,208 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_10 [2019-10-15 00:20:52,208 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_12 [2019-10-15 00:20:52,208 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-10-15 00:20:52,208 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2019-10-15 00:20:52,208 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2019-10-15 00:20:52,208 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_iso_mutex_of_ttusb_dec [2019-10-15 00:20:52,208 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_iso_mutex_of_ttusb_dec [2019-10-15 00:20:52,208 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2019-10-15 00:20:52,209 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2019-10-15 00:20:52,209 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2019-10-15 00:20:52,209 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2019-10-15 00:20:52,209 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2019-10-15 00:20:52,209 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_usb_mutex_of_ttusb_dec [2019-10-15 00:20:52,209 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_usb_mutex_of_ttusb_dec [2019-10-15 00:20:52,209 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-15 00:20:52,209 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-10-15 00:20:52,210 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-10-15 00:20:52,210 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-15 00:20:52,210 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-10-15 00:20:52,210 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-15 00:20:52,210 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-10-15 00:20:52,210 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-15 00:20:52,210 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 00:20:52,211 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-15 00:20:52,211 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 00:20:52,211 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-15 00:20:52,211 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-15 00:20:52,211 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 00:20:52,211 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-15 00:20:52,211 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-15 00:20:52,211 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-15 00:20:52,212 INFO L130 BoogieDeclarations]: Found specification of procedure is_device_dma_capable [2019-10-15 00:20:52,212 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 00:20:52,212 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_alloc_coherent [2019-10-15 00:20:52,212 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_free_coherent [2019-10-15 00:20:52,212 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2019-10-15 00:20:52,212 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_mask [2019-10-15 00:20:52,212 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_gfp_flags [2019-10-15 00:20:52,212 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2019-10-15 00:20:52,213 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2019-10-15 00:20:52,214 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2019-10-15 00:20:52,218 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 00:20:52,219 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~dma_addr_t~0~X~$Pointer$~TO~VOID [2019-10-15 00:20:52,219 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2019-10-15 00:20:52,219 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2019-10-15 00:20:52,219 INFO L130 BoogieDeclarations]: Found specification of procedure __tasklet_schedule [2019-10-15 00:20:52,219 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2019-10-15 00:20:52,219 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2019-10-15 00:20:52,219 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2019-10-15 00:20:52,220 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2019-10-15 00:20:52,220 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2019-10-15 00:20:52,220 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2019-10-15 00:20:52,220 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2019-10-15 00:20:52,220 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2019-10-15 00:20:52,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 00:20:52,220 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2019-10-15 00:20:52,220 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2019-10-15 00:20:52,221 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2019-10-15 00:20:52,221 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2019-10-15 00:20:52,221 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2019-10-15 00:20:52,221 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2019-10-15 00:20:52,221 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2019-10-15 00:20:52,221 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2019-10-15 00:20:52,221 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2019-10-15 00:20:52,222 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2019-10-15 00:20:52,222 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2019-10-15 00:20:52,222 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2019-10-15 00:20:52,222 INFO L130 BoogieDeclarations]: Found specification of procedure input_allocate_device [2019-10-15 00:20:52,222 INFO L130 BoogieDeclarations]: Found specification of procedure input_free_device [2019-10-15 00:20:52,222 INFO L130 BoogieDeclarations]: Found specification of procedure input_register_device [2019-10-15 00:20:52,223 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_device [2019-10-15 00:20:52,223 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2019-10-15 00:20:52,223 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_key [2019-10-15 00:20:52,223 INFO L130 BoogieDeclarations]: Found specification of procedure input_sync [2019-10-15 00:20:52,223 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_register_adapter [2019-10-15 00:20:52,223 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_unregister_adapter [2019-10-15 00:20:52,223 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmxdev_init [2019-10-15 00:20:52,223 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmxdev_release [2019-10-15 00:20:52,224 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmx_init [2019-10-15 00:20:52,224 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmx_release [2019-10-15 00:20:52,224 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_filter_pes2ts_init [2019-10-15 00:20:52,224 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_filter_pes2ts [2019-10-15 00:20:52,224 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_register_frontend [2019-10-15 00:20:52,224 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_unregister_frontend [2019-10-15 00:20:52,224 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_net_release [2019-10-15 00:20:52,224 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_net_init [2019-10-15 00:20:52,225 INFO L130 BoogieDeclarations]: Found specification of procedure ttusbdecfe_dvbs_attach [2019-10-15 00:20:52,225 INFO L130 BoogieDeclarations]: Found specification of procedure ttusbdecfe_dvbt_attach [2019-10-15 00:20:52,225 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_set_model [2019-10-15 00:20:52,225 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_handle_irq [2019-10-15 00:20:52,225 INFO L130 BoogieDeclarations]: Found specification of procedure crc16 [2019-10-15 00:20:52,225 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_send_command [2019-10-15 00:20:52,225 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-15 00:20:52,225 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 00:20:52,226 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_get_stb_state [2019-10-15 00:20:52,226 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_audio_pes2ts_cb [2019-10-15 00:20:52,226 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~X~$Pointer$~X~int~TO~int [2019-10-15 00:20:52,226 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_video_pes2ts_cb [2019-10-15 00:20:52,226 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_set_pids [2019-10-15 00:20:52,226 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_process_pva [2019-10-15 00:20:52,226 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_process_filter [2019-10-15 00:20:52,226 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_process_packet [2019-10-15 00:20:52,227 INFO L130 BoogieDeclarations]: Found specification of procedure swap_bytes [2019-10-15 00:20:52,227 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_process_urb_frame [2019-10-15 00:20:52,227 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_process_urb_frame_list [2019-10-15 00:20:52,227 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_process_urb [2019-10-15 00:20:52,227 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_setup_urbs [2019-10-15 00:20:52,227 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_stop_iso_xfer [2019-10-15 00:20:52,227 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_set_interface [2019-10-15 00:20:52,227 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_start_iso_xfer [2019-10-15 00:20:52,228 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_start_ts_feed [2019-10-15 00:20:52,228 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_start_sec_feed [2019-10-15 00:20:52,228 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_start_feed [2019-10-15 00:20:52,228 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_stop_ts_feed [2019-10-15 00:20:52,228 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_stop_sec_feed [2019-10-15 00:20:52,228 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_stop_feed [2019-10-15 00:20:52,228 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_free_iso_urbs [2019-10-15 00:20:52,228 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_alloc_iso_urbs [2019-10-15 00:20:52,229 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-15 00:20:52,229 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_init_tasklet [2019-10-15 00:20:52,229 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_init_rc [2019-10-15 00:20:52,229 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_init_v_pes [2019-10-15 00:20:52,229 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_init_usb [2019-10-15 00:20:52,229 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_boot_dsp [2019-10-15 00:20:52,229 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_init_stb [2019-10-15 00:20:52,229 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_init_dvb [2019-10-15 00:20:52,230 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-15 00:20:52,230 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_exit_dvb [2019-10-15 00:20:52,230 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2019-10-15 00:20:52,230 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-10-15 00:20:52,230 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_exit_rc [2019-10-15 00:20:52,230 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_exit_usb [2019-10-15 00:20:52,230 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_exit_tasklet [2019-10-15 00:20:52,230 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_init_filters [2019-10-15 00:20:52,231 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_exit_filters [2019-10-15 00:20:52,231 INFO L130 BoogieDeclarations]: Found specification of procedure fe_send_command [2019-10-15 00:20:52,231 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_probe [2019-10-15 00:20:52,231 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_disconnect [2019-10-15 00:20:52,231 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-15 00:20:52,231 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2019-10-15 00:20:52,231 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value_probe [2019-10-15 00:20:52,231 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-15 00:20:52,232 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2019-10-15 00:20:52,232 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 00:20:52,232 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-15 00:20:52,232 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_iso_mutex_of_ttusb_dec [2019-10-15 00:20:52,232 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_iso_mutex_of_ttusb_dec [2019-10-15 00:20:52,232 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_iso_mutex_of_ttusb_dec [2019-10-15 00:20:52,232 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_iso_mutex_of_ttusb_dec [2019-10-15 00:20:52,232 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_iso_mutex_of_ttusb_dec [2019-10-15 00:20:52,233 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2019-10-15 00:20:52,233 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2019-10-15 00:20:52,233 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2019-10-15 00:20:52,233 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-15 00:20:52,233 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2019-10-15 00:20:52,233 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-15 00:20:52,233 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-15 00:20:52,233 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-15 00:20:52,234 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-15 00:20:52,234 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_usb_mutex_of_ttusb_dec [2019-10-15 00:20:52,234 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_usb_mutex_of_ttusb_dec [2019-10-15 00:20:52,234 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_usb_mutex_of_ttusb_dec [2019-10-15 00:20:52,234 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_usb_mutex_of_ttusb_dec [2019-10-15 00:20:52,234 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_usb_mutex_of_ttusb_dec [2019-10-15 00:20:52,234 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-15 00:20:52,234 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-15 00:20:52,235 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-15 00:20:52,235 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-15 00:20:52,235 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 00:20:52,235 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 00:20:52,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 00:20:52,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-15 00:20:52,235 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 00:20:52,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-15 00:20:52,236 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-15 00:20:52,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-15 00:20:52,236 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-15 00:21:04,299 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 00:21:04,299 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-15 00:21:04,302 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:21:04 BoogieIcfgContainer [2019-10-15 00:21:04,302 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 00:21:04,303 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 00:21:04,303 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 00:21:04,307 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 00:21:04,307 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 12:20:48" (1/3) ... [2019-10-15 00:21:04,308 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15cef9ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 12:21:04, skipping insertion in model container [2019-10-15 00:21:04,308 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 12:20:51" (2/3) ... [2019-10-15 00:21:04,309 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15cef9ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 12:21:04, skipping insertion in model container [2019-10-15 00:21:04,309 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 12:21:04" (3/3) ... [2019-10-15 00:21:04,310 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--media--usb--ttusb-dec--ttusb_dec.ko-ldv_main0.cil.out.i [2019-10-15 00:21:04,320 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 00:21:04,336 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 00:21:04,348 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 00:21:04,388 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 00:21:04,388 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 00:21:04,389 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 00:21:04,389 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 00:21:04,389 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 00:21:04,389 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 00:21:04,389 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 00:21:04,389 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 00:21:04,436 INFO L276 IsEmpty]: Start isEmpty. Operand 1536 states. [2019-10-15 00:21:04,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-15 00:21:04,442 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:21:04,443 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 00:21:04,446 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:21:04,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:21:04,452 INFO L82 PathProgramCache]: Analyzing trace with hash 835869904, now seen corresponding path program 1 times [2019-10-15 00:21:04,462 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:21:04,463 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331361768] [2019-10-15 00:21:04,463 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:21:04,463 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:21:04,463 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:21:04,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:21:05,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 00:21:05,270 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331361768] [2019-10-15 00:21:05,272 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:21:05,272 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 00:21:05,273 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137892280] [2019-10-15 00:21:05,278 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:21:05,280 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:21:05,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:21:05,297 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:21:05,299 INFO L87 Difference]: Start difference. First operand 1536 states. Second operand 3 states. [2019-10-15 00:21:08,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:21:08,098 INFO L93 Difference]: Finished difference Result 3818 states and 5075 transitions. [2019-10-15 00:21:08,099 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:21:08,100 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2019-10-15 00:21:08,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:21:08,138 INFO L225 Difference]: With dead ends: 3818 [2019-10-15 00:21:08,138 INFO L226 Difference]: Without dead ends: 2528 [2019-10-15 00:21:08,153 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 00:21:08,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2528 states. [2019-10-15 00:21:08,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2528 to 2523. [2019-10-15 00:21:08,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2523 states. [2019-10-15 00:21:08,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2523 states to 2523 states and 3283 transitions. [2019-10-15 00:21:08,428 INFO L78 Accepts]: Start accepts. Automaton has 2523 states and 3283 transitions. Word has length 16 [2019-10-15 00:21:08,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:21:08,429 INFO L462 AbstractCegarLoop]: Abstraction has 2523 states and 3283 transitions. [2019-10-15 00:21:08,429 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 00:21:08,430 INFO L276 IsEmpty]: Start isEmpty. Operand 2523 states and 3283 transitions. [2019-10-15 00:21:08,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-10-15 00:21:08,430 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:21:08,431 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 00:21:08,431 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:21:08,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:21:08,431 INFO L82 PathProgramCache]: Analyzing trace with hash 141474784, now seen corresponding path program 1 times [2019-10-15 00:21:08,432 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:21:08,432 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51805626] [2019-10-15 00:21:08,432 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:21:08,432 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:21:08,432 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:21:08,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:21:08,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 00:21:08,734 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51805626] [2019-10-15 00:21:08,734 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:21:08,735 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 00:21:08,735 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202661139] [2019-10-15 00:21:08,740 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:21:08,740 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:21:08,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:21:08,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:21:08,741 INFO L87 Difference]: Start difference. First operand 2523 states and 3283 transitions. Second operand 3 states. [2019-10-15 00:21:11,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:21:11,160 INFO L93 Difference]: Finished difference Result 2525 states and 3284 transitions. [2019-10-15 00:21:11,160 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:21:11,160 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-10-15 00:21:11,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:21:11,176 INFO L225 Difference]: With dead ends: 2525 [2019-10-15 00:21:11,177 INFO L226 Difference]: Without dead ends: 2522 [2019-10-15 00:21:11,179 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 00:21:11,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2522 states. [2019-10-15 00:21:11,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2522 to 2522. [2019-10-15 00:21:11,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2522 states. [2019-10-15 00:21:11,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2522 states to 2522 states and 3281 transitions. [2019-10-15 00:21:11,350 INFO L78 Accepts]: Start accepts. Automaton has 2522 states and 3281 transitions. Word has length 17 [2019-10-15 00:21:11,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:21:11,351 INFO L462 AbstractCegarLoop]: Abstraction has 2522 states and 3281 transitions. [2019-10-15 00:21:11,351 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 00:21:11,351 INFO L276 IsEmpty]: Start isEmpty. Operand 2522 states and 3281 transitions. [2019-10-15 00:21:11,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-10-15 00:21:11,353 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:21:11,353 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 00:21:11,353 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:21:11,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:21:11,354 INFO L82 PathProgramCache]: Analyzing trace with hash 90067411, now seen corresponding path program 1 times [2019-10-15 00:21:11,354 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:21:11,355 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740693212] [2019-10-15 00:21:11,355 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:21:11,355 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:21:11,355 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:21:11,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:21:11,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 00:21:11,701 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740693212] [2019-10-15 00:21:11,702 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:21:11,702 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 00:21:11,702 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601884993] [2019-10-15 00:21:11,702 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:21:11,702 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:21:11,703 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:21:11,703 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:21:11,703 INFO L87 Difference]: Start difference. First operand 2522 states and 3281 transitions. Second operand 3 states. [2019-10-15 00:21:14,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:21:14,210 INFO L93 Difference]: Finished difference Result 2524 states and 3282 transitions. [2019-10-15 00:21:14,210 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:21:14,211 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 18 [2019-10-15 00:21:14,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:21:14,234 INFO L225 Difference]: With dead ends: 2524 [2019-10-15 00:21:14,234 INFO L226 Difference]: Without dead ends: 2521 [2019-10-15 00:21:14,239 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 00:21:14,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2521 states. [2019-10-15 00:21:14,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2521 to 2521. [2019-10-15 00:21:14,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2521 states. [2019-10-15 00:21:14,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2521 states to 2521 states and 3279 transitions. [2019-10-15 00:21:14,379 INFO L78 Accepts]: Start accepts. Automaton has 2521 states and 3279 transitions. Word has length 18 [2019-10-15 00:21:14,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:21:14,380 INFO L462 AbstractCegarLoop]: Abstraction has 2521 states and 3279 transitions. [2019-10-15 00:21:14,380 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 00:21:14,380 INFO L276 IsEmpty]: Start isEmpty. Operand 2521 states and 3279 transitions. [2019-10-15 00:21:14,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-10-15 00:21:14,381 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:21:14,381 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 00:21:14,381 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:21:14,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:21:14,382 INFO L82 PathProgramCache]: Analyzing trace with hash -1503556285, now seen corresponding path program 1 times [2019-10-15 00:21:14,382 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:21:14,382 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892769953] [2019-10-15 00:21:14,382 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:21:14,382 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:21:14,382 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:21:14,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:21:14,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 00:21:14,612 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1892769953] [2019-10-15 00:21:14,612 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:21:14,613 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 00:21:14,613 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545370461] [2019-10-15 00:21:14,613 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:21:14,613 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:21:14,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:21:14,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:21:14,614 INFO L87 Difference]: Start difference. First operand 2521 states and 3279 transitions. Second operand 3 states. [2019-10-15 00:21:17,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:21:17,308 INFO L93 Difference]: Finished difference Result 7498 states and 10071 transitions. [2019-10-15 00:21:17,308 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:21:17,308 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-10-15 00:21:17,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:21:17,359 INFO L225 Difference]: With dead ends: 7498 [2019-10-15 00:21:17,359 INFO L226 Difference]: Without dead ends: 4982 [2019-10-15 00:21:17,478 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 00:21:17,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4982 states. [2019-10-15 00:21:17,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4982 to 4952. [2019-10-15 00:21:17,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4952 states. [2019-10-15 00:21:17,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4952 states to 4952 states and 6601 transitions. [2019-10-15 00:21:17,833 INFO L78 Accepts]: Start accepts. Automaton has 4952 states and 6601 transitions. Word has length 19 [2019-10-15 00:21:17,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:21:17,833 INFO L462 AbstractCegarLoop]: Abstraction has 4952 states and 6601 transitions. [2019-10-15 00:21:17,833 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 00:21:17,834 INFO L276 IsEmpty]: Start isEmpty. Operand 4952 states and 6601 transitions. [2019-10-15 00:21:17,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2019-10-15 00:21:17,855 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:21:17,856 INFO L380 BasicCegarLoop]: trace histogram [5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:21:17,856 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:21:17,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:21:17,857 INFO L82 PathProgramCache]: Analyzing trace with hash -359132094, now seen corresponding path program 1 times [2019-10-15 00:21:17,857 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:21:17,857 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90327937] [2019-10-15 00:21:17,857 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:21:17,857 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:21:17,858 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:21:18,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:21:18,318 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2019-10-15 00:21:18,319 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90327937] [2019-10-15 00:21:18,319 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:21:18,319 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 00:21:18,319 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281101942] [2019-10-15 00:21:18,320 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:21:18,320 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:21:18,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:21:18,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:21:18,321 INFO L87 Difference]: Start difference. First operand 4952 states and 6601 transitions. Second operand 3 states. [2019-10-15 00:21:18,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:21:18,635 INFO L93 Difference]: Finished difference Result 9874 states and 13552 transitions. [2019-10-15 00:21:18,635 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:21:18,635 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 174 [2019-10-15 00:21:18,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:21:18,670 INFO L225 Difference]: With dead ends: 9874 [2019-10-15 00:21:18,671 INFO L226 Difference]: Without dead ends: 4932 [2019-10-15 00:21:18,710 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 00:21:18,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4932 states. [2019-10-15 00:21:18,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4932 to 4932. [2019-10-15 00:21:18,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4932 states. [2019-10-15 00:21:18,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4932 states to 4932 states and 6405 transitions. [2019-10-15 00:21:18,949 INFO L78 Accepts]: Start accepts. Automaton has 4932 states and 6405 transitions. Word has length 174 [2019-10-15 00:21:18,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:21:18,950 INFO L462 AbstractCegarLoop]: Abstraction has 4932 states and 6405 transitions. [2019-10-15 00:21:18,950 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 00:21:18,950 INFO L276 IsEmpty]: Start isEmpty. Operand 4932 states and 6405 transitions. [2019-10-15 00:21:18,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2019-10-15 00:21:18,954 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:21:18,954 INFO L380 BasicCegarLoop]: trace histogram [5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:21:18,954 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:21:18,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:21:18,955 INFO L82 PathProgramCache]: Analyzing trace with hash 1030971270, now seen corresponding path program 1 times [2019-10-15 00:21:18,955 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:21:18,955 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593908284] [2019-10-15 00:21:18,956 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:21:18,956 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:21:18,956 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:21:19,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:21:19,408 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2019-10-15 00:21:19,409 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593908284] [2019-10-15 00:21:19,409 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:21:19,409 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-15 00:21:19,410 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103667031] [2019-10-15 00:21:19,410 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-15 00:21:19,410 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:21:19,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-15 00:21:19,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 00:21:19,411 INFO L87 Difference]: Start difference. First operand 4932 states and 6405 transitions. Second operand 4 states. [2019-10-15 00:21:23,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:21:23,492 INFO L93 Difference]: Finished difference Result 9490 states and 12380 transitions. [2019-10-15 00:21:23,492 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:21:23,493 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 174 [2019-10-15 00:21:23,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:21:23,522 INFO L225 Difference]: With dead ends: 9490 [2019-10-15 00:21:23,522 INFO L226 Difference]: Without dead ends: 4568 [2019-10-15 00:21:23,544 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 00:21:23,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4568 states. [2019-10-15 00:21:23,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4568 to 4568. [2019-10-15 00:21:23,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4568 states. [2019-10-15 00:21:23,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4568 states to 4568 states and 5945 transitions. [2019-10-15 00:21:23,801 INFO L78 Accepts]: Start accepts. Automaton has 4568 states and 5945 transitions. Word has length 174 [2019-10-15 00:21:23,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 00:21:23,803 INFO L462 AbstractCegarLoop]: Abstraction has 4568 states and 5945 transitions. [2019-10-15 00:21:23,803 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-15 00:21:23,803 INFO L276 IsEmpty]: Start isEmpty. Operand 4568 states and 5945 transitions. [2019-10-15 00:21:23,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2019-10-15 00:21:23,816 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 00:21:23,817 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:21:23,817 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 00:21:23,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 00:21:23,818 INFO L82 PathProgramCache]: Analyzing trace with hash 382988669, now seen corresponding path program 1 times [2019-10-15 00:21:23,818 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 00:21:23,819 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650781238] [2019-10-15 00:21:23,819 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:21:23,819 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 00:21:23,819 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 00:21:24,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 00:21:24,252 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 00:21:24,253 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [650781238] [2019-10-15 00:21:24,254 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 00:21:24,254 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 00:21:24,254 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260527682] [2019-10-15 00:21:24,255 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 00:21:24,256 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 00:21:24,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 00:21:24,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 00:21:24,256 INFO L87 Difference]: Start difference. First operand 4568 states and 5945 transitions. Second operand 3 states. [2019-10-15 00:21:24,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 00:21:24,534 INFO L93 Difference]: Finished difference Result 9162 states and 11939 transitions. [2019-10-15 00:21:24,534 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 00:21:24,534 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 206 [2019-10-15 00:21:24,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 00:21:24,591 INFO L225 Difference]: With dead ends: 9162 [2019-10-15 00:21:24,591 INFO L226 Difference]: Without dead ends: 4604 [2019-10-15 00:21:24,616 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