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-f4eb214f-m [2019-10-13 20:21:42,768 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 20:21:42,772 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 20:21:42,791 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 20:21:42,792 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 20:21:42,794 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 20:21:42,796 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 20:21:42,805 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 20:21:42,809 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 20:21:42,813 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 20:21:42,814 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 20:21:42,816 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 20:21:42,816 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 20:21:42,818 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 20:21:42,821 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 20:21:42,822 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 20:21:42,824 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 20:21:42,824 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 20:21:42,826 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 20:21:42,828 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 20:21:42,829 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 20:21:42,830 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 20:21:42,831 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 20:21:42,832 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 20:21:42,834 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 20:21:42,834 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 20:21:42,834 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 20:21:42,835 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 20:21:42,835 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 20:21:42,836 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 20:21:42,837 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 20:21:42,837 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 20:21:42,838 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 20:21:42,839 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 20:21:42,840 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 20:21:42,840 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 20:21:42,841 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 20:21:42,841 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 20:21:42,841 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 20:21:42,842 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 20:21:42,843 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 20:21:42,844 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 20:21:42,877 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 20:21:42,878 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 20:21:42,879 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 20:21:42,879 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 20:21:42,879 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 20:21:42,880 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 20:21:42,880 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 20:21:42,880 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 20:21:42,882 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 20:21:42,882 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 20:21:42,883 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 20:21:42,883 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 20:21:42,883 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 20:21:42,883 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 20:21:42,883 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 20:21:42,884 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 20:21:42,884 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 20:21:42,884 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 20:21:42,884 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 20:21:42,884 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 20:21:42,885 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 20:21:42,885 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 20:21:42,885 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 20:21:42,888 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 20:21:42,889 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 20:21:42,889 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 20:21:42,889 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 20:21:42,889 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 20:21:42,889 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 [2019-10-13 20:21:43,175 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 20:21:43,188 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 20:21:43,192 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 20:21:43,194 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 20:21:43,194 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 20:21:43,195 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-consumption/linux-3.8-rc1-32_7a-drivers--media--usb--ttusb-dec--ttusb_dec.ko-ldv_main0.cil.out.i [2019-10-13 20:21:43,280 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/615226426/883f9ae85be344ecba085597a7675c62/FLAG816c5e03a [2019-10-13 20:21:44,096 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 20:21:44,097 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-consumption/linux-3.8-rc1-32_7a-drivers--media--usb--ttusb-dec--ttusb_dec.ko-ldv_main0.cil.out.i [2019-10-13 20:21:44,140 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/615226426/883f9ae85be344ecba085597a7675c62/FLAG816c5e03a [2019-10-13 20:21:44,597 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/615226426/883f9ae85be344ecba085597a7675c62 [2019-10-13 20:21:44,608 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 20:21:44,610 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 20:21:44,611 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 20:21:44,611 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 20:21:44,615 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 20:21:44,616 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:21:44" (1/1) ... [2019-10-13 20:21:44,619 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@487b5e0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:21:44, skipping insertion in model container [2019-10-13 20:21:44,620 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:21:44" (1/1) ... [2019-10-13 20:21:44,628 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 20:21:44,824 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 20:21:46,897 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 20:21:46,919 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 20:21:47,378 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 20:21:47,600 INFO L192 MainTranslator]: Completed translation [2019-10-13 20:21:47,601 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:21:47 WrapperNode [2019-10-13 20:21:47,601 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 20:21:47,602 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 20:21:47,602 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 20:21:47,603 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 20:21:47,622 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:21:47" (1/1) ... [2019-10-13 20:21:47,623 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:21:47" (1/1) ... [2019-10-13 20:21:47,767 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:21:47" (1/1) ... [2019-10-13 20:21:47,769 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:21:47" (1/1) ... [2019-10-13 20:21:47,910 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:21:47" (1/1) ... [2019-10-13 20:21:47,931 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:21:47" (1/1) ... [2019-10-13 20:21:47,965 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:21:47" (1/1) ... [2019-10-13 20:21:48,008 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 20:21:48,008 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 20:21:48,009 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 20:21:48,009 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 20:21:48,010 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:21:47" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 20:21:48,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 20:21:48,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 20:21:48,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2019-10-13 20:21:48,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~dma_addr_t~0~X~$Pointer$~TO~VOID [2019-10-13 20:21:48,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~X~$Pointer$~X~int~TO~int [2019-10-13 20:21:48,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-13 20:21:48,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2019-10-13 20:21:48,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-10-13 20:21:48,099 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-10-13 20:21:48,099 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2019-10-13 20:21:48,099 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_swab32 [2019-10-13 20:21:48,100 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2019-10-13 20:21:48,100 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2019-10-13 20:21:48,101 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-10-13 20:21:48,101 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2019-10-13 20:21:48,101 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2019-10-13 20:21:48,103 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2019-10-13 20:21:48,104 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-13 20:21:48,104 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-10-13 20:21:48,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-13 20:21:48,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-13 20:21:48,105 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-13 20:21:48,105 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-13 20:21:48,105 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-13 20:21:48,105 INFO L138 BoogieDeclarations]: Found implementation of procedure is_device_dma_capable [2019-10-13 20:21:48,105 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2019-10-13 20:21:48,105 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_mask [2019-10-13 20:21:48,105 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_gfp_flags [2019-10-13 20:21:48,106 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2019-10-13 20:21:48,106 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2019-10-13 20:21:48,106 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2019-10-13 20:21:48,106 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2019-10-13 20:21:48,106 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2019-10-13 20:21:48,106 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2019-10-13 20:21:48,106 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2019-10-13 20:21:48,107 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2019-10-13 20:21:48,107 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2019-10-13 20:21:48,107 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2019-10-13 20:21:48,107 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2019-10-13 20:21:48,107 INFO L138 BoogieDeclarations]: Found implementation of procedure input_allocate_device [2019-10-13 20:21:48,107 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_key [2019-10-13 20:21:48,107 INFO L138 BoogieDeclarations]: Found implementation of procedure input_sync [2019-10-13 20:21:48,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_handle_irq [2019-10-13 20:21:48,108 INFO L138 BoogieDeclarations]: Found implementation of procedure crc16 [2019-10-13 20:21:48,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_send_command [2019-10-13 20:21:48,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_get_stb_state [2019-10-13 20:21:48,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_audio_pes2ts_cb [2019-10-13 20:21:48,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_video_pes2ts_cb [2019-10-13 20:21:48,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_set_pids [2019-10-13 20:21:48,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_process_pva [2019-10-13 20:21:48,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_process_filter [2019-10-13 20:21:48,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_process_packet [2019-10-13 20:21:48,109 INFO L138 BoogieDeclarations]: Found implementation of procedure swap_bytes [2019-10-13 20:21:48,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_process_urb_frame [2019-10-13 20:21:48,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_process_urb_frame_list [2019-10-13 20:21:48,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_process_urb [2019-10-13 20:21:48,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_setup_urbs [2019-10-13 20:21:48,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_stop_iso_xfer [2019-10-13 20:21:48,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_set_interface [2019-10-13 20:21:48,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_start_iso_xfer [2019-10-13 20:21:48,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_start_ts_feed [2019-10-13 20:21:48,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_start_sec_feed [2019-10-13 20:21:48,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_start_feed [2019-10-13 20:21:48,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_stop_ts_feed [2019-10-13 20:21:48,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_stop_sec_feed [2019-10-13 20:21:48,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_stop_feed [2019-10-13 20:21:48,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_free_iso_urbs [2019-10-13 20:21:48,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_alloc_iso_urbs [2019-10-13 20:21:48,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_init_tasklet [2019-10-13 20:21:48,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_init_rc [2019-10-13 20:21:48,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_init_v_pes [2019-10-13 20:21:48,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_init_usb [2019-10-13 20:21:48,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_boot_dsp [2019-10-13 20:21:48,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_init_stb [2019-10-13 20:21:48,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_init_dvb [2019-10-13 20:21:48,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_exit_dvb [2019-10-13 20:21:48,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_exit_rc [2019-10-13 20:21:48,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_exit_usb [2019-10-13 20:21:48,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_exit_tasklet [2019-10-13 20:21:48,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_init_filters [2019-10-13 20:21:48,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_exit_filters [2019-10-13 20:21:48,117 INFO L138 BoogieDeclarations]: Found implementation of procedure fe_send_command [2019-10-13 20:21:48,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_probe [2019-10-13 20:21:48,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_disconnect [2019-10-13 20:21:48,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_set_model [2019-10-13 20:21:48,118 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 20:21:48,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2019-10-13 20:21:48,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2019-10-13 20:21:48,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2019-10-13 20:21:48,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_4 [2019-10-13 20:21:48,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2019-10-13 20:21:48,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_6 [2019-10-13 20:21:48,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2019-10-13 20:21:48,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_8 [2019-10-13 20:21:48,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2019-10-13 20:21:48,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_10 [2019-10-13 20:21:48,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_11 [2019-10-13 20:21:48,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_12 [2019-10-13 20:21:48,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_13 [2019-10-13 20:21:48,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_14 [2019-10-13 20:21:48,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-13 20:21:48,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-13 20:21:48,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_iso_mutex_of_ttusb_dec [2019-10-13 20:21:48,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_iso_mutex_of_ttusb_dec [2019-10-13 20:21:48,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_iso_mutex_of_ttusb_dec [2019-10-13 20:21:48,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_iso_mutex_of_ttusb_dec [2019-10-13 20:21:48,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_iso_mutex_of_ttusb_dec [2019-10-13 20:21:48,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_iso_mutex_of_ttusb_dec [2019-10-13 20:21:48,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_iso_mutex_of_ttusb_dec [2019-10-13 20:21:48,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2019-10-13 20:21:48,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2019-10-13 20:21:48,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2019-10-13 20:21:48,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2019-10-13 20:21:48,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-13 20:21:48,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2019-10-13 20:21:48,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2019-10-13 20:21:48,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-13 20:21:48,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-13 20:21:48,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2019-10-13 20:21:48,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2019-10-13 20:21:48,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-13 20:21:48,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-13 20:21:48,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2019-10-13 20:21:48,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_usb_mutex_of_ttusb_dec [2019-10-13 20:21:48,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_usb_mutex_of_ttusb_dec [2019-10-13 20:21:48,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_usb_mutex_of_ttusb_dec [2019-10-13 20:21:48,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_usb_mutex_of_ttusb_dec [2019-10-13 20:21:48,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_usb_mutex_of_ttusb_dec [2019-10-13 20:21:48,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_usb_mutex_of_ttusb_dec [2019-10-13 20:21:48,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_usb_mutex_of_ttusb_dec [2019-10-13 20:21:48,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-13 20:21:48,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-13 20:21:48,132 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-10-13 20:21:48,132 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-10-13 20:21:48,132 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-13 20:21:48,133 INFO L138 BoogieDeclarations]: Found implementation of procedure __tasklet_schedule [2019-10-13 20:21:48,133 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-10-13 20:21:48,136 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-10-13 20:21:48,137 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2019-10-13 20:21:48,137 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_alloc_coherent [2019-10-13 20:21:48,137 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_free_coherent [2019-10-13 20:21:48,137 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-13 20:21:48,138 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-10-13 20:21:48,138 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmx_init [2019-10-13 20:21:48,144 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmx_release [2019-10-13 20:21:48,144 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmxdev_init [2019-10-13 20:21:48,145 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmxdev_release [2019-10-13 20:21:48,145 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_filter_pes2ts [2019-10-13 20:21:48,145 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_filter_pes2ts_init [2019-10-13 20:21:48,145 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_net_init [2019-10-13 20:21:48,146 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_net_release [2019-10-13 20:21:48,146 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_register_adapter [2019-10-13 20:21:48,146 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_register_frontend [2019-10-13 20:21:48,146 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_unregister_adapter [2019-10-13 20:21:48,146 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_unregister_frontend [2019-10-13 20:21:48,147 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2019-10-13 20:21:48,147 INFO L138 BoogieDeclarations]: Found implementation of procedure input_free_device [2019-10-13 20:21:48,147 INFO L138 BoogieDeclarations]: Found implementation of procedure input_register_device [2019-10-13 20:21:48,147 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_device [2019-10-13 20:21:48,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2019-10-13 20:21:48,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value_probe [2019-10-13 20:21:48,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2019-10-13 20:21:48,147 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2019-10-13 20:21:48,148 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-10-13 20:21:48,148 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2019-10-13 20:21:48,148 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2019-10-13 20:21:48,148 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-13 20:21:48,148 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-13 20:21:48,148 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2019-10-13 20:21:48,148 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2019-10-13 20:21:48,148 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2019-10-13 20:21:48,148 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2019-10-13 20:21:48,149 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2019-10-13 20:21:48,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusbdecfe_dvbs_attach [2019-10-13 20:21:48,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusbdecfe_dvbt_attach [2019-10-13 20:21:48,149 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2019-10-13 20:21:48,149 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2019-10-13 20:21:48,149 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2019-10-13 20:21:48,149 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2019-10-13 20:21:48,149 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2019-10-13 20:21:48,150 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2019-10-13 20:21:48,150 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2019-10-13 20:21:48,150 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2019-10-13 20:21:48,150 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-10-13 20:21:48,150 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-13 20:21:48,150 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-13 20:21:48,151 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-13 20:21:48,151 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-13 20:21:48,151 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 20:21:48,151 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-13 20:21:48,151 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-10-13 20:21:48,151 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2019-10-13 20:21:48,151 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_swab32 [2019-10-13 20:21:48,151 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2019-10-13 20:21:48,152 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2019-10-13 20:21:48,152 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-13 20:21:48,152 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-10-13 20:21:48,152 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-10-13 20:21:48,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 20:21:48,152 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-10-13 20:21:48,152 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2019-10-13 20:21:48,152 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 20:21:48,153 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2019-10-13 20:21:48,153 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-13 20:21:48,153 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-13 20:21:48,153 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2019-10-13 20:21:48,153 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-10-13 20:21:48,153 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2019-10-13 20:21:48,153 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2019-10-13 20:21:48,153 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-10-13 20:21:48,154 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2019-10-13 20:21:48,154 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_4 [2019-10-13 20:21:48,154 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-13 20:21:48,154 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2019-10-13 20:21:48,154 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2019-10-13 20:21:48,154 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2019-10-13 20:21:48,154 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_8 [2019-10-13 20:21:48,154 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2019-10-13 20:21:48,155 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_11 [2019-10-13 20:21:48,155 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_13 [2019-10-13 20:21:48,155 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_14 [2019-10-13 20:21:48,155 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2019-10-13 20:21:48,155 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_6 [2019-10-13 20:21:48,155 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_10 [2019-10-13 20:21:48,155 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_12 [2019-10-13 20:21:48,155 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-10-13 20:21:48,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2019-10-13 20:21:48,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2019-10-13 20:21:48,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_iso_mutex_of_ttusb_dec [2019-10-13 20:21:48,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_iso_mutex_of_ttusb_dec [2019-10-13 20:21:48,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2019-10-13 20:21:48,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2019-10-13 20:21:48,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2019-10-13 20:21:48,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2019-10-13 20:21:48,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2019-10-13 20:21:48,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_usb_mutex_of_ttusb_dec [2019-10-13 20:21:48,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_usb_mutex_of_ttusb_dec [2019-10-13 20:21:48,157 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-13 20:21:48,157 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-10-13 20:21:48,157 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-10-13 20:21:48,157 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-13 20:21:48,157 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-10-13 20:21:48,157 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-13 20:21:48,158 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-10-13 20:21:48,158 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-13 20:21:48,158 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 20:21:48,158 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-13 20:21:48,158 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 20:21:48,158 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-13 20:21:48,158 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-13 20:21:48,158 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 20:21:48,159 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-13 20:21:48,159 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-13 20:21:48,159 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-13 20:21:48,159 INFO L130 BoogieDeclarations]: Found specification of procedure is_device_dma_capable [2019-10-13 20:21:48,159 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 20:21:48,159 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_alloc_coherent [2019-10-13 20:21:48,159 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_free_coherent [2019-10-13 20:21:48,159 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2019-10-13 20:21:48,160 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_mask [2019-10-13 20:21:48,160 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_gfp_flags [2019-10-13 20:21:48,160 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2019-10-13 20:21:48,160 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2019-10-13 20:21:48,161 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2019-10-13 20:21:48,165 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 20:21:48,165 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~dma_addr_t~0~X~$Pointer$~TO~VOID [2019-10-13 20:21:48,165 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2019-10-13 20:21:48,165 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2019-10-13 20:21:48,165 INFO L130 BoogieDeclarations]: Found specification of procedure __tasklet_schedule [2019-10-13 20:21:48,165 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2019-10-13 20:21:48,166 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2019-10-13 20:21:48,166 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2019-10-13 20:21:48,169 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2019-10-13 20:21:48,169 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2019-10-13 20:21:48,170 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2019-10-13 20:21:48,170 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2019-10-13 20:21:48,170 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2019-10-13 20:21:48,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 20:21:48,171 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2019-10-13 20:21:48,171 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2019-10-13 20:21:48,171 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2019-10-13 20:21:48,171 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2019-10-13 20:21:48,171 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2019-10-13 20:21:48,171 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2019-10-13 20:21:48,171 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2019-10-13 20:21:48,171 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2019-10-13 20:21:48,172 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2019-10-13 20:21:48,172 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2019-10-13 20:21:48,172 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2019-10-13 20:21:48,172 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2019-10-13 20:21:48,172 INFO L130 BoogieDeclarations]: Found specification of procedure input_allocate_device [2019-10-13 20:21:48,172 INFO L130 BoogieDeclarations]: Found specification of procedure input_free_device [2019-10-13 20:21:48,172 INFO L130 BoogieDeclarations]: Found specification of procedure input_register_device [2019-10-13 20:21:48,172 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_device [2019-10-13 20:21:48,173 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2019-10-13 20:21:48,173 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_key [2019-10-13 20:21:48,173 INFO L130 BoogieDeclarations]: Found specification of procedure input_sync [2019-10-13 20:21:48,173 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_register_adapter [2019-10-13 20:21:48,173 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_unregister_adapter [2019-10-13 20:21:48,173 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmxdev_init [2019-10-13 20:21:48,173 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmxdev_release [2019-10-13 20:21:48,173 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmx_init [2019-10-13 20:21:48,174 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmx_release [2019-10-13 20:21:48,174 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_filter_pes2ts_init [2019-10-13 20:21:48,174 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_filter_pes2ts [2019-10-13 20:21:48,174 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_register_frontend [2019-10-13 20:21:48,174 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_unregister_frontend [2019-10-13 20:21:48,174 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_net_release [2019-10-13 20:21:48,174 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_net_init [2019-10-13 20:21:48,174 INFO L130 BoogieDeclarations]: Found specification of procedure ttusbdecfe_dvbs_attach [2019-10-13 20:21:48,174 INFO L130 BoogieDeclarations]: Found specification of procedure ttusbdecfe_dvbt_attach [2019-10-13 20:21:48,175 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_set_model [2019-10-13 20:21:48,175 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_handle_irq [2019-10-13 20:21:48,175 INFO L130 BoogieDeclarations]: Found specification of procedure crc16 [2019-10-13 20:21:48,175 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_send_command [2019-10-13 20:21:48,175 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-13 20:21:48,175 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 20:21:48,175 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_get_stb_state [2019-10-13 20:21:48,175 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_audio_pes2ts_cb [2019-10-13 20:21:48,175 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~X~$Pointer$~X~int~TO~int [2019-10-13 20:21:48,176 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_video_pes2ts_cb [2019-10-13 20:21:48,176 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_set_pids [2019-10-13 20:21:48,176 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_process_pva [2019-10-13 20:21:48,176 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_process_filter [2019-10-13 20:21:48,176 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_process_packet [2019-10-13 20:21:48,176 INFO L130 BoogieDeclarations]: Found specification of procedure swap_bytes [2019-10-13 20:21:48,176 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_process_urb_frame [2019-10-13 20:21:48,176 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_process_urb_frame_list [2019-10-13 20:21:48,177 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_process_urb [2019-10-13 20:21:48,177 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_setup_urbs [2019-10-13 20:21:48,177 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_stop_iso_xfer [2019-10-13 20:21:48,177 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_set_interface [2019-10-13 20:21:48,177 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_start_iso_xfer [2019-10-13 20:21:48,177 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_start_ts_feed [2019-10-13 20:21:48,177 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_start_sec_feed [2019-10-13 20:21:48,177 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_start_feed [2019-10-13 20:21:48,177 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_stop_ts_feed [2019-10-13 20:21:48,178 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_stop_sec_feed [2019-10-13 20:21:48,178 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_stop_feed [2019-10-13 20:21:48,178 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_free_iso_urbs [2019-10-13 20:21:48,178 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_alloc_iso_urbs [2019-10-13 20:21:48,178 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-13 20:21:48,178 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_init_tasklet [2019-10-13 20:21:48,178 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_init_rc [2019-10-13 20:21:48,178 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_init_v_pes [2019-10-13 20:21:48,178 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_init_usb [2019-10-13 20:21:48,179 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_boot_dsp [2019-10-13 20:21:48,179 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_init_stb [2019-10-13 20:21:48,179 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_init_dvb [2019-10-13 20:21:48,179 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-13 20:21:48,179 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_exit_dvb [2019-10-13 20:21:48,179 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2019-10-13 20:21:48,179 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-10-13 20:21:48,179 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_exit_rc [2019-10-13 20:21:48,179 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_exit_usb [2019-10-13 20:21:48,180 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_exit_tasklet [2019-10-13 20:21:48,180 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_init_filters [2019-10-13 20:21:48,180 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_exit_filters [2019-10-13 20:21:48,180 INFO L130 BoogieDeclarations]: Found specification of procedure fe_send_command [2019-10-13 20:21:48,180 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_probe [2019-10-13 20:21:48,180 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_disconnect [2019-10-13 20:21:48,180 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-13 20:21:48,180 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2019-10-13 20:21:48,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value_probe [2019-10-13 20:21:48,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-13 20:21:48,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2019-10-13 20:21:48,181 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 20:21:48,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-13 20:21:48,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_iso_mutex_of_ttusb_dec [2019-10-13 20:21:48,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_iso_mutex_of_ttusb_dec [2019-10-13 20:21:48,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_iso_mutex_of_ttusb_dec [2019-10-13 20:21:48,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_iso_mutex_of_ttusb_dec [2019-10-13 20:21:48,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_iso_mutex_of_ttusb_dec [2019-10-13 20:21:48,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2019-10-13 20:21:48,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2019-10-13 20:21:48,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2019-10-13 20:21:48,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-13 20:21:48,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2019-10-13 20:21:48,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-13 20:21:48,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-13 20:21:48,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-13 20:21:48,183 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-13 20:21:48,183 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_usb_mutex_of_ttusb_dec [2019-10-13 20:21:48,183 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_usb_mutex_of_ttusb_dec [2019-10-13 20:21:48,183 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_usb_mutex_of_ttusb_dec [2019-10-13 20:21:48,183 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_usb_mutex_of_ttusb_dec [2019-10-13 20:21:48,184 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_usb_mutex_of_ttusb_dec [2019-10-13 20:21:48,184 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-13 20:21:48,184 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-13 20:21:48,184 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-13 20:21:48,184 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-13 20:21:48,184 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 20:21:48,184 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 20:21:48,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 20:21:48,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-13 20:21:48,186 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 20:21:48,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-13 20:21:48,187 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-13 20:21:48,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-13 20:21:48,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-13 20:22:02,354 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 20:22:02,355 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-13 20:22:02,357 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:22:02 BoogieIcfgContainer [2019-10-13 20:22:02,357 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 20:22:02,358 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 20:22:02,359 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 20:22:02,362 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 20:22:02,362 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 08:21:44" (1/3) ... [2019-10-13 20:22:02,363 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2633989e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:22:02, skipping insertion in model container [2019-10-13 20:22:02,363 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:21:47" (2/3) ... [2019-10-13 20:22:02,363 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2633989e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:22:02, skipping insertion in model container [2019-10-13 20:22:02,363 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:22:02" (3/3) ... [2019-10-13 20:22:02,365 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--media--usb--ttusb-dec--ttusb_dec.ko-ldv_main0.cil.out.i [2019-10-13 20:22:02,374 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 20:22:02,384 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 20:22:02,395 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 20:22:02,431 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 20:22:02,431 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 20:22:02,431 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 20:22:02,431 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 20:22:02,431 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 20:22:02,432 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 20:22:02,432 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 20:22:02,432 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 20:22:02,494 INFO L276 IsEmpty]: Start isEmpty. Operand 1536 states. [2019-10-13 20:22:02,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-13 20:22:02,504 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:22:02,505 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 20:22:02,508 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:22:02,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:22:02,515 INFO L82 PathProgramCache]: Analyzing trace with hash 835869904, now seen corresponding path program 1 times [2019-10-13 20:22:02,525 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:22:02,525 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814006128] [2019-10-13 20:22:02,525 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:22:02,526 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:22:02,526 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:22:02,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:22:03,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 20:22:03,253 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1814006128] [2019-10-13 20:22:03,254 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:22:03,254 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:22:03,255 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815023542] [2019-10-13 20:22:03,260 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:22:03,262 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:22:03,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:22:03,280 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:22:03,283 INFO L87 Difference]: Start difference. First operand 1536 states. Second operand 3 states. [2019-10-13 20:22:06,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:22:06,071 INFO L93 Difference]: Finished difference Result 3818 states and 5075 transitions. [2019-10-13 20:22:06,072 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:22:06,073 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2019-10-13 20:22:06,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:22:06,122 INFO L225 Difference]: With dead ends: 3818 [2019-10-13 20:22:06,122 INFO L226 Difference]: Without dead ends: 2528 [2019-10-13 20:22:06,139 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:22:06,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2528 states. [2019-10-13 20:22:06,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2528 to 2523. [2019-10-13 20:22:06,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2523 states. [2019-10-13 20:22:06,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2523 states to 2523 states and 3283 transitions. [2019-10-13 20:22:06,424 INFO L78 Accepts]: Start accepts. Automaton has 2523 states and 3283 transitions. Word has length 16 [2019-10-13 20:22:06,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:22:06,425 INFO L462 AbstractCegarLoop]: Abstraction has 2523 states and 3283 transitions. [2019-10-13 20:22:06,425 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:22:06,425 INFO L276 IsEmpty]: Start isEmpty. Operand 2523 states and 3283 transitions. [2019-10-13 20:22:06,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-10-13 20:22:06,427 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:22:06,427 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 20:22:06,427 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:22:06,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:22:06,428 INFO L82 PathProgramCache]: Analyzing trace with hash 141474784, now seen corresponding path program 1 times [2019-10-13 20:22:06,428 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:22:06,428 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465733965] [2019-10-13 20:22:06,428 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:22:06,428 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:22:06,429 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:22:06,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:22:06,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 20:22:06,740 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465733965] [2019-10-13 20:22:06,740 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:22:06,740 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:22:06,740 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639697902] [2019-10-13 20:22:06,742 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:22:06,742 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:22:06,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:22:06,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:22:06,743 INFO L87 Difference]: Start difference. First operand 2523 states and 3283 transitions. Second operand 3 states. [2019-10-13 20:22:09,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:22:09,149 INFO L93 Difference]: Finished difference Result 2525 states and 3284 transitions. [2019-10-13 20:22:09,150 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:22:09,150 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-10-13 20:22:09,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:22:09,167 INFO L225 Difference]: With dead ends: 2525 [2019-10-13 20:22:09,167 INFO L226 Difference]: Without dead ends: 2522 [2019-10-13 20:22:09,170 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:22:09,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2522 states. [2019-10-13 20:22:09,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2522 to 2522. [2019-10-13 20:22:09,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2522 states. [2019-10-13 20:22:09,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2522 states to 2522 states and 3281 transitions. [2019-10-13 20:22:09,308 INFO L78 Accepts]: Start accepts. Automaton has 2522 states and 3281 transitions. Word has length 17 [2019-10-13 20:22:09,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:22:09,308 INFO L462 AbstractCegarLoop]: Abstraction has 2522 states and 3281 transitions. [2019-10-13 20:22:09,308 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:22:09,308 INFO L276 IsEmpty]: Start isEmpty. Operand 2522 states and 3281 transitions. [2019-10-13 20:22:09,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-10-13 20:22:09,309 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:22:09,309 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 20:22:09,310 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:22:09,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:22:09,310 INFO L82 PathProgramCache]: Analyzing trace with hash 90067411, now seen corresponding path program 1 times [2019-10-13 20:22:09,310 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:22:09,310 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615793334] [2019-10-13 20:22:09,311 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:22:09,311 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:22:09,311 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:22:09,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:22:09,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 20:22:09,542 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1615793334] [2019-10-13 20:22:09,542 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:22:09,542 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:22:09,542 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922794385] [2019-10-13 20:22:09,543 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:22:09,543 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:22:09,543 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:22:09,544 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:22:09,544 INFO L87 Difference]: Start difference. First operand 2522 states and 3281 transitions. Second operand 3 states. [2019-10-13 20:22:12,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:22:12,068 INFO L93 Difference]: Finished difference Result 2524 states and 3282 transitions. [2019-10-13 20:22:12,069 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:22:12,069 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 18 [2019-10-13 20:22:12,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:22:12,086 INFO L225 Difference]: With dead ends: 2524 [2019-10-13 20:22:12,086 INFO L226 Difference]: Without dead ends: 2521 [2019-10-13 20:22:12,089 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:22:12,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2521 states. [2019-10-13 20:22:12,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2521 to 2521. [2019-10-13 20:22:12,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2521 states. [2019-10-13 20:22:12,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2521 states to 2521 states and 3279 transitions. [2019-10-13 20:22:12,220 INFO L78 Accepts]: Start accepts. Automaton has 2521 states and 3279 transitions. Word has length 18 [2019-10-13 20:22:12,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:22:12,220 INFO L462 AbstractCegarLoop]: Abstraction has 2521 states and 3279 transitions. [2019-10-13 20:22:12,221 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:22:12,221 INFO L276 IsEmpty]: Start isEmpty. Operand 2521 states and 3279 transitions. [2019-10-13 20:22:12,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-10-13 20:22:12,221 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:22:12,222 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 20:22:12,222 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:22:12,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:22:12,222 INFO L82 PathProgramCache]: Analyzing trace with hash -1503556285, now seen corresponding path program 1 times [2019-10-13 20:22:12,222 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:22:12,223 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40679848] [2019-10-13 20:22:12,223 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:22:12,223 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:22:12,223 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:22:12,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:22:12,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 20:22:12,443 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40679848] [2019-10-13 20:22:12,443 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:22:12,443 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:22:12,444 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490633231] [2019-10-13 20:22:12,444 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:22:12,445 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:22:12,445 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:22:12,445 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:22:12,445 INFO L87 Difference]: Start difference. First operand 2521 states and 3279 transitions. Second operand 3 states. [2019-10-13 20:22:15,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:22:15,188 INFO L93 Difference]: Finished difference Result 7498 states and 10071 transitions. [2019-10-13 20:22:15,189 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:22:15,189 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-10-13 20:22:15,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:22:15,224 INFO L225 Difference]: With dead ends: 7498 [2019-10-13 20:22:15,224 INFO L226 Difference]: Without dead ends: 4982 [2019-10-13 20:22:15,239 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 [2019-10-13 20:22:15,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4982 states. [2019-10-13 20:22:15,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4982 to 4952. [2019-10-13 20:22:15,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4952 states. [2019-10-13 20:22:15,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4952 states to 4952 states and 6601 transitions. [2019-10-13 20:22:15,650 INFO L78 Accepts]: Start accepts. Automaton has 4952 states and 6601 transitions. Word has length 19 [2019-10-13 20:22:15,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:22:15,650 INFO L462 AbstractCegarLoop]: Abstraction has 4952 states and 6601 transitions. [2019-10-13 20:22:15,650 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:22:15,651 INFO L276 IsEmpty]: Start isEmpty. Operand 4952 states and 6601 transitions. [2019-10-13 20:22:15,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2019-10-13 20:22:15,666 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:22:15,666 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] [2019-10-13 20:22:15,666 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:22:15,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:22:15,667 INFO L82 PathProgramCache]: Analyzing trace with hash -359132094, now seen corresponding path program 1 times [2019-10-13 20:22:15,667 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:22:15,667 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490904515] [2019-10-13 20:22:15,668 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:22:15,668 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:22:15,668 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:22:15,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:22:15,986 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2019-10-13 20:22:15,987 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490904515] [2019-10-13 20:22:15,987 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:22:15,987 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:22:15,988 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104068024] [2019-10-13 20:22:15,988 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:22:15,989 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:22:15,989 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:22:15,989 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:22:15,989 INFO L87 Difference]: Start difference. First operand 4952 states and 6601 transitions. Second operand 3 states. [2019-10-13 20:22:16,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:22:16,366 INFO L93 Difference]: Finished difference Result 9874 states and 13552 transitions. [2019-10-13 20:22:16,366 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:22:16,367 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 174 [2019-10-13 20:22:16,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:22:16,404 INFO L225 Difference]: With dead ends: 9874 [2019-10-13 20:22:16,405 INFO L226 Difference]: Without dead ends: 4932 [2019-10-13 20:22:16,441 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:22:16,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4932 states. [2019-10-13 20:22:16,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4932 to 4932. [2019-10-13 20:22:16,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4932 states. [2019-10-13 20:22:16,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4932 states to 4932 states and 6405 transitions. [2019-10-13 20:22:16,761 INFO L78 Accepts]: Start accepts. Automaton has 4932 states and 6405 transitions. Word has length 174 [2019-10-13 20:22:16,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:22:16,762 INFO L462 AbstractCegarLoop]: Abstraction has 4932 states and 6405 transitions. [2019-10-13 20:22:16,762 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:22:16,762 INFO L276 IsEmpty]: Start isEmpty. Operand 4932 states and 6405 transitions. [2019-10-13 20:22:16,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2019-10-13 20:22:16,769 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:22:16,769 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] [2019-10-13 20:22:16,769 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:22:16,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:22:16,770 INFO L82 PathProgramCache]: Analyzing trace with hash 1030971270, now seen corresponding path program 1 times [2019-10-13 20:22:16,770 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:22:16,771 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872058423] [2019-10-13 20:22:16,771 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:22:16,771 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:22:16,772 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:22:16,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:22:17,422 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2019-10-13 20:22:17,423 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872058423] [2019-10-13 20:22:17,423 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:22:17,423 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 20:22:17,423 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727424092] [2019-10-13 20:22:17,424 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-13 20:22:17,424 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:22:17,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-13 20:22:17,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 20:22:17,425 INFO L87 Difference]: Start difference. First operand 4932 states and 6405 transitions. Second operand 4 states.