/usr/bin/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-fb55353 [2019-11-06 23:16:09,382 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-06 23:16:09,385 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-06 23:16:09,401 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-06 23:16:09,402 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-06 23:16:09,404 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-06 23:16:09,406 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-06 23:16:09,419 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-06 23:16:09,421 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-06 23:16:09,422 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-06 23:16:09,422 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-06 23:16:09,425 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-06 23:16:09,425 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-06 23:16:09,429 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-06 23:16:09,431 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-06 23:16:09,432 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-06 23:16:09,433 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-06 23:16:09,434 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-06 23:16:09,435 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-06 23:16:09,437 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-06 23:16:09,439 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-06 23:16:09,440 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-06 23:16:09,441 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-06 23:16:09,441 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-06 23:16:09,444 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-06 23:16:09,444 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-06 23:16:09,444 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-06 23:16:09,445 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-06 23:16:09,445 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-06 23:16:09,446 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-06 23:16:09,447 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-06 23:16:09,447 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-06 23:16:09,448 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-06 23:16:09,449 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-06 23:16:09,450 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-06 23:16:09,450 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-06 23:16:09,451 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-06 23:16:09,451 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-06 23:16:09,451 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-06 23:16:09,452 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-06 23:16:09,453 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-06 23:16:09,454 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 [2019-11-06 23:16:09,473 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-06 23:16:09,473 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-06 23:16:09,475 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-06 23:16:09,475 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-06 23:16:09,475 INFO L138 SettingsManager]: * Use SBE=true [2019-11-06 23:16:09,476 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-06 23:16:09,476 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-06 23:16:09,476 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-06 23:16:09,476 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-06 23:16:09,476 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-06 23:16:09,477 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-06 23:16:09,477 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-06 23:16:09,477 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-06 23:16:09,477 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-06 23:16:09,477 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-06 23:16:09,478 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-06 23:16:09,478 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-06 23:16:09,478 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-06 23:16:09,478 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-06 23:16:09,479 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-06 23:16:09,479 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-06 23:16:09,479 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-06 23:16:09,479 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-06 23:16:09,479 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-06 23:16:09,480 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-06 23:16:09,480 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-06 23:16:09,480 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-06 23:16:09,480 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-06 23:16:09,480 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 [2019-11-06 23:16:09,742 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-06 23:16:09,758 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-06 23:16:09,762 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-06 23:16:09,765 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-06 23:16:09,765 INFO L275 PluginConnector]: CDTParser initialized [2019-11-06 23:16:09,766 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-consumption/linux-3.8-rc1-32_7a-drivers--media--usb--ttusb-dec--ttusb_dec.ko-ldv_main0.cil.out.i [2019-11-06 23:16:09,845 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6287d32cc/1141ee5aba42498ca94d26b0b7de51fd/FLAG1f6d0f1b1 [2019-11-06 23:16:10,726 INFO L306 CDTParser]: Found 1 translation units. [2019-11-06 23:16:10,726 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-consumption/linux-3.8-rc1-32_7a-drivers--media--usb--ttusb-dec--ttusb_dec.ko-ldv_main0.cil.out.i [2019-11-06 23:16:10,772 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6287d32cc/1141ee5aba42498ca94d26b0b7de51fd/FLAG1f6d0f1b1 [2019-11-06 23:16:11,241 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6287d32cc/1141ee5aba42498ca94d26b0b7de51fd [2019-11-06 23:16:11,251 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-06 23:16:11,252 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-06 23:16:11,253 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-06 23:16:11,253 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-06 23:16:11,257 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-06 23:16:11,258 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:16:11" (1/1) ... [2019-11-06 23:16:11,261 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@797cbfc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:16:11, skipping insertion in model container [2019-11-06 23:16:11,261 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:16:11" (1/1) ... [2019-11-06 23:16:11,269 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-06 23:16:11,441 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-06 23:16:13,377 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 23:16:13,408 INFO L188 MainTranslator]: Completed pre-run [2019-11-06 23:16:13,865 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 23:16:14,083 INFO L192 MainTranslator]: Completed translation [2019-11-06 23:16:14,084 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:16:14 WrapperNode [2019-11-06 23:16:14,085 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-06 23:16:14,086 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-06 23:16:14,086 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-06 23:16:14,086 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-06 23:16:14,101 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:16:14" (1/1) ... [2019-11-06 23:16:14,101 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:16:14" (1/1) ... [2019-11-06 23:16:14,200 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:16:14" (1/1) ... [2019-11-06 23:16:14,200 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:16:14" (1/1) ... [2019-11-06 23:16:14,350 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:16:14" (1/1) ... [2019-11-06 23:16:14,390 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:16:14" (1/1) ... [2019-11-06 23:16:14,431 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:16:14" (1/1) ... [2019-11-06 23:16:14,467 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-06 23:16:14,468 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-06 23:16:14,468 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-06 23:16:14,468 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-06 23:16:14,470 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:16:14" (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 [2019-11-06 23:16:14,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-06 23:16:14,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-06 23:16:14,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2019-11-06 23:16:14,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~dma_addr_t~0~X~$Pointer$~TO~VOID [2019-11-06 23:16:14,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~X~$Pointer$~X~int~TO~int [2019-11-06 23:16:14,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-11-06 23:16:14,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2019-11-06 23:16:14,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-11-06 23:16:14,554 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-11-06 23:16:14,555 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2019-11-06 23:16:14,555 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_swab32 [2019-11-06 23:16:14,555 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2019-11-06 23:16:14,555 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2019-11-06 23:16:14,555 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-11-06 23:16:14,556 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2019-11-06 23:16:14,556 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2019-11-06 23:16:14,556 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2019-11-06 23:16:14,556 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-11-06 23:16:14,556 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-11-06 23:16:14,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-11-06 23:16:14,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-11-06 23:16:14,557 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-11-06 23:16:14,558 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-11-06 23:16:14,558 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-11-06 23:16:14,558 INFO L138 BoogieDeclarations]: Found implementation of procedure is_device_dma_capable [2019-11-06 23:16:14,560 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2019-11-06 23:16:14,560 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_mask [2019-11-06 23:16:14,560 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_gfp_flags [2019-11-06 23:16:14,560 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2019-11-06 23:16:14,561 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2019-11-06 23:16:14,561 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2019-11-06 23:16:14,561 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2019-11-06 23:16:14,561 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2019-11-06 23:16:14,561 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2019-11-06 23:16:14,561 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2019-11-06 23:16:14,562 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2019-11-06 23:16:14,562 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2019-11-06 23:16:14,562 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2019-11-06 23:16:14,562 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2019-11-06 23:16:14,563 INFO L138 BoogieDeclarations]: Found implementation of procedure input_allocate_device [2019-11-06 23:16:14,563 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_key [2019-11-06 23:16:14,563 INFO L138 BoogieDeclarations]: Found implementation of procedure input_sync [2019-11-06 23:16:14,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_handle_irq [2019-11-06 23:16:14,563 INFO L138 BoogieDeclarations]: Found implementation of procedure crc16 [2019-11-06 23:16:14,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_send_command [2019-11-06 23:16:14,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_get_stb_state [2019-11-06 23:16:14,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_audio_pes2ts_cb [2019-11-06 23:16:14,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_video_pes2ts_cb [2019-11-06 23:16:14,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_set_pids [2019-11-06 23:16:14,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_process_pva [2019-11-06 23:16:14,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_process_filter [2019-11-06 23:16:14,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_process_packet [2019-11-06 23:16:14,565 INFO L138 BoogieDeclarations]: Found implementation of procedure swap_bytes [2019-11-06 23:16:14,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_process_urb_frame [2019-11-06 23:16:14,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_process_urb_frame_list [2019-11-06 23:16:14,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_process_urb [2019-11-06 23:16:14,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_setup_urbs [2019-11-06 23:16:14,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_stop_iso_xfer [2019-11-06 23:16:14,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_set_interface [2019-11-06 23:16:14,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_start_iso_xfer [2019-11-06 23:16:14,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_start_ts_feed [2019-11-06 23:16:14,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_start_sec_feed [2019-11-06 23:16:14,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_start_feed [2019-11-06 23:16:14,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_stop_ts_feed [2019-11-06 23:16:14,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_stop_sec_feed [2019-11-06 23:16:14,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_stop_feed [2019-11-06 23:16:14,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_free_iso_urbs [2019-11-06 23:16:14,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_alloc_iso_urbs [2019-11-06 23:16:14,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_init_tasklet [2019-11-06 23:16:14,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_init_rc [2019-11-06 23:16:14,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_init_v_pes [2019-11-06 23:16:14,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_init_usb [2019-11-06 23:16:14,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_boot_dsp [2019-11-06 23:16:14,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_init_stb [2019-11-06 23:16:14,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_init_dvb [2019-11-06 23:16:14,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_exit_dvb [2019-11-06 23:16:14,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_exit_rc [2019-11-06 23:16:14,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_exit_usb [2019-11-06 23:16:14,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_exit_tasklet [2019-11-06 23:16:14,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_init_filters [2019-11-06 23:16:14,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_exit_filters [2019-11-06 23:16:14,574 INFO L138 BoogieDeclarations]: Found implementation of procedure fe_send_command [2019-11-06 23:16:14,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_probe [2019-11-06 23:16:14,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_disconnect [2019-11-06 23:16:14,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_set_model [2019-11-06 23:16:14,575 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-06 23:16:14,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2019-11-06 23:16:14,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2019-11-06 23:16:14,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2019-11-06 23:16:14,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_4 [2019-11-06 23:16:14,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2019-11-06 23:16:14,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_6 [2019-11-06 23:16:14,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2019-11-06 23:16:14,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_8 [2019-11-06 23:16:14,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2019-11-06 23:16:14,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_10 [2019-11-06 23:16:14,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_11 [2019-11-06 23:16:14,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_12 [2019-11-06 23:16:14,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_13 [2019-11-06 23:16:14,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_14 [2019-11-06 23:16:14,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-11-06 23:16:14,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-11-06 23:16:14,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_iso_mutex_of_ttusb_dec [2019-11-06 23:16:14,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_iso_mutex_of_ttusb_dec [2019-11-06 23:16:14,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_iso_mutex_of_ttusb_dec [2019-11-06 23:16:14,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_iso_mutex_of_ttusb_dec [2019-11-06 23:16:14,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_iso_mutex_of_ttusb_dec [2019-11-06 23:16:14,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_iso_mutex_of_ttusb_dec [2019-11-06 23:16:14,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_iso_mutex_of_ttusb_dec [2019-11-06 23:16:14,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2019-11-06 23:16:14,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2019-11-06 23:16:14,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2019-11-06 23:16:14,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2019-11-06 23:16:14,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-11-06 23:16:14,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2019-11-06 23:16:14,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2019-11-06 23:16:14,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-11-06 23:16:14,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2019-11-06 23:16:14,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2019-11-06 23:16:14,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2019-11-06 23:16:14,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-11-06 23:16:14,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2019-11-06 23:16:14,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2019-11-06 23:16:14,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_usb_mutex_of_ttusb_dec [2019-11-06 23:16:14,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_usb_mutex_of_ttusb_dec [2019-11-06 23:16:14,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_usb_mutex_of_ttusb_dec [2019-11-06 23:16:14,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_usb_mutex_of_ttusb_dec [2019-11-06 23:16:14,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_usb_mutex_of_ttusb_dec [2019-11-06 23:16:14,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_usb_mutex_of_ttusb_dec [2019-11-06 23:16:14,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_usb_mutex_of_ttusb_dec [2019-11-06 23:16:14,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-11-06 23:16:14,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-11-06 23:16:14,585 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-11-06 23:16:14,585 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-11-06 23:16:14,585 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-11-06 23:16:14,586 INFO L138 BoogieDeclarations]: Found implementation of procedure __tasklet_schedule [2019-11-06 23:16:14,586 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-11-06 23:16:14,589 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-11-06 23:16:14,590 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2019-11-06 23:16:14,590 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_alloc_coherent [2019-11-06 23:16:14,590 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_free_coherent [2019-11-06 23:16:14,590 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-11-06 23:16:14,590 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-11-06 23:16:14,590 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmx_init [2019-11-06 23:16:14,598 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmx_release [2019-11-06 23:16:14,598 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmxdev_init [2019-11-06 23:16:14,598 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmxdev_release [2019-11-06 23:16:14,598 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_filter_pes2ts [2019-11-06 23:16:14,598 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_filter_pes2ts_init [2019-11-06 23:16:14,599 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_net_init [2019-11-06 23:16:14,599 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_net_release [2019-11-06 23:16:14,599 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_register_adapter [2019-11-06 23:16:14,599 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_register_frontend [2019-11-06 23:16:14,599 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_unregister_adapter [2019-11-06 23:16:14,599 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_unregister_frontend [2019-11-06 23:16:14,599 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2019-11-06 23:16:14,599 INFO L138 BoogieDeclarations]: Found implementation of procedure input_free_device [2019-11-06 23:16:14,600 INFO L138 BoogieDeclarations]: Found implementation of procedure input_register_device [2019-11-06 23:16:14,601 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_device [2019-11-06 23:16:14,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2019-11-06 23:16:14,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value_probe [2019-11-06 23:16:14,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2019-11-06 23:16:14,601 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2019-11-06 23:16:14,601 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-11-06 23:16:14,601 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2019-11-06 23:16:14,601 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2019-11-06 23:16:14,602 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-11-06 23:16:14,602 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-11-06 23:16:14,602 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2019-11-06 23:16:14,602 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2019-11-06 23:16:14,602 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2019-11-06 23:16:14,602 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2019-11-06 23:16:14,602 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2019-11-06 23:16:14,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusbdecfe_dvbs_attach [2019-11-06 23:16:14,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusbdecfe_dvbt_attach [2019-11-06 23:16:14,603 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2019-11-06 23:16:14,603 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2019-11-06 23:16:14,603 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2019-11-06 23:16:14,603 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2019-11-06 23:16:14,603 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2019-11-06 23:16:14,603 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2019-11-06 23:16:14,604 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2019-11-06 23:16:14,604 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2019-11-06 23:16:14,604 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-11-06 23:16:14,604 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-11-06 23:16:14,604 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-11-06 23:16:14,605 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-11-06 23:16:14,605 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-11-06 23:16:14,605 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-06 23:16:14,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-11-06 23:16:14,605 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-11-06 23:16:14,605 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2019-11-06 23:16:14,605 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_swab32 [2019-11-06 23:16:14,605 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2019-11-06 23:16:14,606 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2019-11-06 23:16:14,606 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-11-06 23:16:14,606 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-11-06 23:16:14,606 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-11-06 23:16:14,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-06 23:16:14,606 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-11-06 23:16:14,606 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2019-11-06 23:16:14,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-06 23:16:14,607 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2019-11-06 23:16:14,607 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-11-06 23:16:14,608 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-11-06 23:16:14,608 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2019-11-06 23:16:14,608 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-11-06 23:16:14,608 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2019-11-06 23:16:14,610 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2019-11-06 23:16:14,610 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-11-06 23:16:14,610 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2019-11-06 23:16:14,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_4 [2019-11-06 23:16:14,610 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-11-06 23:16:14,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2019-11-06 23:16:14,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2019-11-06 23:16:14,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2019-11-06 23:16:14,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_8 [2019-11-06 23:16:14,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2019-11-06 23:16:14,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_11 [2019-11-06 23:16:14,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_13 [2019-11-06 23:16:14,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_14 [2019-11-06 23:16:14,611 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2019-11-06 23:16:14,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_6 [2019-11-06 23:16:14,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_10 [2019-11-06 23:16:14,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_12 [2019-11-06 23:16:14,612 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-11-06 23:16:14,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2019-11-06 23:16:14,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2019-11-06 23:16:14,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_iso_mutex_of_ttusb_dec [2019-11-06 23:16:14,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_iso_mutex_of_ttusb_dec [2019-11-06 23:16:14,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2019-11-06 23:16:14,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2019-11-06 23:16:14,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2019-11-06 23:16:14,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2019-11-06 23:16:14,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2019-11-06 23:16:14,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_usb_mutex_of_ttusb_dec [2019-11-06 23:16:14,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_usb_mutex_of_ttusb_dec [2019-11-06 23:16:14,613 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-11-06 23:16:14,614 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-11-06 23:16:14,614 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-11-06 23:16:14,614 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-11-06 23:16:14,614 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-11-06 23:16:14,614 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-11-06 23:16:14,614 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-11-06 23:16:14,614 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-11-06 23:16:14,615 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-06 23:16:14,615 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-11-06 23:16:14,615 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-06 23:16:14,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-11-06 23:16:14,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-11-06 23:16:14,615 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-06 23:16:14,615 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-11-06 23:16:14,615 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-11-06 23:16:14,616 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-11-06 23:16:14,616 INFO L130 BoogieDeclarations]: Found specification of procedure is_device_dma_capable [2019-11-06 23:16:14,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-06 23:16:14,616 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_alloc_coherent [2019-11-06 23:16:14,616 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_free_coherent [2019-11-06 23:16:14,616 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2019-11-06 23:16:14,616 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_mask [2019-11-06 23:16:14,616 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_gfp_flags [2019-11-06 23:16:14,617 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2019-11-06 23:16:14,617 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2019-11-06 23:16:14,618 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2019-11-06 23:16:14,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-06 23:16:14,621 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~dma_addr_t~0~X~$Pointer$~TO~VOID [2019-11-06 23:16:14,621 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2019-11-06 23:16:14,621 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2019-11-06 23:16:14,621 INFO L130 BoogieDeclarations]: Found specification of procedure __tasklet_schedule [2019-11-06 23:16:14,622 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2019-11-06 23:16:14,622 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2019-11-06 23:16:14,622 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2019-11-06 23:16:14,622 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2019-11-06 23:16:14,622 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2019-11-06 23:16:14,622 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2019-11-06 23:16:14,622 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2019-11-06 23:16:14,623 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2019-11-06 23:16:14,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-06 23:16:14,623 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2019-11-06 23:16:14,623 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2019-11-06 23:16:14,623 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2019-11-06 23:16:14,623 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2019-11-06 23:16:14,623 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2019-11-06 23:16:14,623 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2019-11-06 23:16:14,624 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2019-11-06 23:16:14,624 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2019-11-06 23:16:14,624 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2019-11-06 23:16:14,624 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2019-11-06 23:16:14,624 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2019-11-06 23:16:14,624 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2019-11-06 23:16:14,624 INFO L130 BoogieDeclarations]: Found specification of procedure input_allocate_device [2019-11-06 23:16:14,625 INFO L130 BoogieDeclarations]: Found specification of procedure input_free_device [2019-11-06 23:16:14,625 INFO L130 BoogieDeclarations]: Found specification of procedure input_register_device [2019-11-06 23:16:14,625 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_device [2019-11-06 23:16:14,625 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2019-11-06 23:16:14,625 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_key [2019-11-06 23:16:14,625 INFO L130 BoogieDeclarations]: Found specification of procedure input_sync [2019-11-06 23:16:14,625 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_register_adapter [2019-11-06 23:16:14,626 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_unregister_adapter [2019-11-06 23:16:14,626 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmxdev_init [2019-11-06 23:16:14,626 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmxdev_release [2019-11-06 23:16:14,626 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmx_init [2019-11-06 23:16:14,626 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmx_release [2019-11-06 23:16:14,626 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_filter_pes2ts_init [2019-11-06 23:16:14,626 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_filter_pes2ts [2019-11-06 23:16:14,626 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_register_frontend [2019-11-06 23:16:14,627 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_unregister_frontend [2019-11-06 23:16:14,627 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_net_release [2019-11-06 23:16:14,627 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_net_init [2019-11-06 23:16:14,627 INFO L130 BoogieDeclarations]: Found specification of procedure ttusbdecfe_dvbs_attach [2019-11-06 23:16:14,627 INFO L130 BoogieDeclarations]: Found specification of procedure ttusbdecfe_dvbt_attach [2019-11-06 23:16:14,627 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_set_model [2019-11-06 23:16:14,627 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_handle_irq [2019-11-06 23:16:14,627 INFO L130 BoogieDeclarations]: Found specification of procedure crc16 [2019-11-06 23:16:14,628 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_send_command [2019-11-06 23:16:14,628 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-11-06 23:16:14,628 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-06 23:16:14,628 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_get_stb_state [2019-11-06 23:16:14,628 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_audio_pes2ts_cb [2019-11-06 23:16:14,628 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~X~$Pointer$~X~int~TO~int [2019-11-06 23:16:14,628 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_video_pes2ts_cb [2019-11-06 23:16:14,628 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_set_pids [2019-11-06 23:16:14,629 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_process_pva [2019-11-06 23:16:14,629 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_process_filter [2019-11-06 23:16:14,629 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_process_packet [2019-11-06 23:16:14,629 INFO L130 BoogieDeclarations]: Found specification of procedure swap_bytes [2019-11-06 23:16:14,629 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_process_urb_frame [2019-11-06 23:16:14,629 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_process_urb_frame_list [2019-11-06 23:16:14,629 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_process_urb [2019-11-06 23:16:14,629 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_setup_urbs [2019-11-06 23:16:14,629 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_stop_iso_xfer [2019-11-06 23:16:14,630 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_set_interface [2019-11-06 23:16:14,630 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_start_iso_xfer [2019-11-06 23:16:14,630 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_start_ts_feed [2019-11-06 23:16:14,630 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_start_sec_feed [2019-11-06 23:16:14,630 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_start_feed [2019-11-06 23:16:14,630 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_stop_ts_feed [2019-11-06 23:16:14,630 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_stop_sec_feed [2019-11-06 23:16:14,630 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_stop_feed [2019-11-06 23:16:14,630 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_free_iso_urbs [2019-11-06 23:16:14,631 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_alloc_iso_urbs [2019-11-06 23:16:14,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-11-06 23:16:14,631 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_init_tasklet [2019-11-06 23:16:14,631 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_init_rc [2019-11-06 23:16:14,631 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_init_v_pes [2019-11-06 23:16:14,631 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_init_usb [2019-11-06 23:16:14,631 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_boot_dsp [2019-11-06 23:16:14,632 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_init_stb [2019-11-06 23:16:14,632 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_init_dvb [2019-11-06 23:16:14,632 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-11-06 23:16:14,632 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_exit_dvb [2019-11-06 23:16:14,632 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2019-11-06 23:16:14,632 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-11-06 23:16:14,632 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_exit_rc [2019-11-06 23:16:14,632 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_exit_usb [2019-11-06 23:16:14,633 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_exit_tasklet [2019-11-06 23:16:14,633 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_init_filters [2019-11-06 23:16:14,633 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_exit_filters [2019-11-06 23:16:14,633 INFO L130 BoogieDeclarations]: Found specification of procedure fe_send_command [2019-11-06 23:16:14,633 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_probe [2019-11-06 23:16:14,633 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_disconnect [2019-11-06 23:16:14,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-11-06 23:16:14,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2019-11-06 23:16:14,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value_probe [2019-11-06 23:16:14,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-11-06 23:16:14,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2019-11-06 23:16:14,634 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-06 23:16:14,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-11-06 23:16:14,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_iso_mutex_of_ttusb_dec [2019-11-06 23:16:14,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_iso_mutex_of_ttusb_dec [2019-11-06 23:16:14,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_iso_mutex_of_ttusb_dec [2019-11-06 23:16:14,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_iso_mutex_of_ttusb_dec [2019-11-06 23:16:14,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_iso_mutex_of_ttusb_dec [2019-11-06 23:16:14,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2019-11-06 23:16:14,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2019-11-06 23:16:14,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2019-11-06 23:16:14,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-11-06 23:16:14,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2019-11-06 23:16:14,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-11-06 23:16:14,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2019-11-06 23:16:14,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-11-06 23:16:14,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2019-11-06 23:16:14,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_usb_mutex_of_ttusb_dec [2019-11-06 23:16:14,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_usb_mutex_of_ttusb_dec [2019-11-06 23:16:14,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_usb_mutex_of_ttusb_dec [2019-11-06 23:16:14,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_usb_mutex_of_ttusb_dec [2019-11-06 23:16:14,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_usb_mutex_of_ttusb_dec [2019-11-06 23:16:14,636 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-11-06 23:16:14,637 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-11-06 23:16:14,637 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-11-06 23:16:14,637 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-06 23:16:14,637 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-06 23:16:14,637 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-06 23:16:14,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-06 23:16:14,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-06 23:16:14,637 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-06 23:16:14,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-11-06 23:16:14,638 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-11-06 23:16:14,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-11-06 23:16:14,638 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-11-06 23:16:26,935 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-06 23:16:26,936 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-11-06 23:16:26,941 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:16:26 BoogieIcfgContainer [2019-11-06 23:16:26,941 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-06 23:16:26,942 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-06 23:16:26,942 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-06 23:16:26,946 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-06 23:16:26,946 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 11:16:11" (1/3) ... [2019-11-06 23:16:26,947 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f42bef9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:16:26, skipping insertion in model container [2019-11-06 23:16:26,947 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:16:14" (2/3) ... [2019-11-06 23:16:26,947 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f42bef9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 11:16:26, skipping insertion in model container [2019-11-06 23:16:26,947 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:16:26" (3/3) ... [2019-11-06 23:16:26,949 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--media--usb--ttusb-dec--ttusb_dec.ko-ldv_main0.cil.out.i [2019-11-06 23:16:26,960 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-06 23:16:26,977 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-06 23:16:26,988 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-06 23:16:27,032 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-06 23:16:27,032 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-06 23:16:27,032 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-06 23:16:27,032 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-06 23:16:27,032 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-06 23:16:27,033 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-06 23:16:27,033 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-06 23:16:27,033 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-06 23:16:27,090 INFO L276 IsEmpty]: Start isEmpty. Operand 1536 states. [2019-11-06 23:16:27,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-06 23:16:27,097 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 23:16:27,098 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 23:16:27,100 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 23:16:27,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 23:16:27,106 INFO L82 PathProgramCache]: Analyzing trace with hash 835869904, now seen corresponding path program 1 times [2019-11-06 23:16:27,116 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-06 23:16:27,117 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255799331] [2019-11-06 23:16:27,117 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 23:16:27,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 23:16:27,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 23:16:27,906 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255799331] [2019-11-06 23:16:27,907 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 23:16:27,908 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-06 23:16:27,909 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19057845] [2019-11-06 23:16:27,914 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-06 23:16:27,916 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-06 23:16:27,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-06 23:16:27,932 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-06 23:16:27,935 INFO L87 Difference]: Start difference. First operand 1536 states. Second operand 3 states. [2019-11-06 23:16:30,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 23:16:30,690 INFO L93 Difference]: Finished difference Result 3818 states and 5075 transitions. [2019-11-06 23:16:30,691 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-06 23:16:30,692 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2019-11-06 23:16:30,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 23:16:30,751 INFO L225 Difference]: With dead ends: 3818 [2019-11-06 23:16:30,751 INFO L226 Difference]: Without dead ends: 2528 [2019-11-06 23:16:30,768 INFO L630 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 [2019-11-06 23:16:30,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2528 states. [2019-11-06 23:16:31,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2528 to 2523. [2019-11-06 23:16:31,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2523 states. [2019-11-06 23:16:31,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2523 states to 2523 states and 3283 transitions. [2019-11-06 23:16:31,079 INFO L78 Accepts]: Start accepts. Automaton has 2523 states and 3283 transitions. Word has length 16 [2019-11-06 23:16:31,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 23:16:31,080 INFO L462 AbstractCegarLoop]: Abstraction has 2523 states and 3283 transitions. [2019-11-06 23:16:31,080 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-06 23:16:31,080 INFO L276 IsEmpty]: Start isEmpty. Operand 2523 states and 3283 transitions. [2019-11-06 23:16:31,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-06 23:16:31,081 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 23:16:31,081 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 23:16:31,081 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 23:16:31,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 23:16:31,082 INFO L82 PathProgramCache]: Analyzing trace with hash 141474784, now seen corresponding path program 1 times [2019-11-06 23:16:31,082 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-06 23:16:31,082 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333355861] [2019-11-06 23:16:31,082 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 23:16:31,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 23:16:31,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 23:16:31,328 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333355861] [2019-11-06 23:16:31,328 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 23:16:31,328 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-06 23:16:31,329 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243463284] [2019-11-06 23:16:31,330 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-06 23:16:31,331 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-06 23:16:31,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-06 23:16:31,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-06 23:16:31,331 INFO L87 Difference]: Start difference. First operand 2523 states and 3283 transitions. Second operand 3 states. [2019-11-06 23:16:33,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 23:16:33,746 INFO L93 Difference]: Finished difference Result 2525 states and 3284 transitions. [2019-11-06 23:16:33,746 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-06 23:16:33,746 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2019-11-06 23:16:33,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 23:16:33,763 INFO L225 Difference]: With dead ends: 2525 [2019-11-06 23:16:33,763 INFO L226 Difference]: Without dead ends: 2522 [2019-11-06 23:16:33,766 INFO L630 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 [2019-11-06 23:16:33,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2522 states. [2019-11-06 23:16:33,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2522 to 2522. [2019-11-06 23:16:33,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2522 states. [2019-11-06 23:16:33,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2522 states to 2522 states and 3281 transitions. [2019-11-06 23:16:33,987 INFO L78 Accepts]: Start accepts. Automaton has 2522 states and 3281 transitions. Word has length 17 [2019-11-06 23:16:33,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 23:16:33,987 INFO L462 AbstractCegarLoop]: Abstraction has 2522 states and 3281 transitions. [2019-11-06 23:16:33,987 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-06 23:16:33,987 INFO L276 IsEmpty]: Start isEmpty. Operand 2522 states and 3281 transitions. [2019-11-06 23:16:33,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-06 23:16:33,988 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 23:16:33,988 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 23:16:33,989 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 23:16:33,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 23:16:33,989 INFO L82 PathProgramCache]: Analyzing trace with hash 90067411, now seen corresponding path program 1 times [2019-11-06 23:16:33,989 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-06 23:16:33,989 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099774242] [2019-11-06 23:16:33,990 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 23:16:34,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 23:16:34,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 23:16:34,249 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2099774242] [2019-11-06 23:16:34,250 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 23:16:34,251 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-06 23:16:34,251 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854584822] [2019-11-06 23:16:34,251 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-06 23:16:34,252 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-06 23:16:34,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-06 23:16:34,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-06 23:16:34,252 INFO L87 Difference]: Start difference. First operand 2522 states and 3281 transitions. Second operand 3 states. [2019-11-06 23:16:36,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 23:16:36,756 INFO L93 Difference]: Finished difference Result 2524 states and 3282 transitions. [2019-11-06 23:16:36,756 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-06 23:16:36,756 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 18 [2019-11-06 23:16:36,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 23:16:36,785 INFO L225 Difference]: With dead ends: 2524 [2019-11-06 23:16:36,785 INFO L226 Difference]: Without dead ends: 2521 [2019-11-06 23:16:36,788 INFO L630 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 [2019-11-06 23:16:36,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2521 states. [2019-11-06 23:16:36,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2521 to 2521. [2019-11-06 23:16:36,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2521 states. [2019-11-06 23:16:36,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2521 states to 2521 states and 3279 transitions. [2019-11-06 23:16:36,902 INFO L78 Accepts]: Start accepts. Automaton has 2521 states and 3279 transitions. Word has length 18 [2019-11-06 23:16:36,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 23:16:36,903 INFO L462 AbstractCegarLoop]: Abstraction has 2521 states and 3279 transitions. [2019-11-06 23:16:36,903 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-06 23:16:36,903 INFO L276 IsEmpty]: Start isEmpty. Operand 2521 states and 3279 transitions. [2019-11-06 23:16:36,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-06 23:16:36,904 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 23:16:36,904 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 23:16:36,904 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 23:16:36,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 23:16:36,904 INFO L82 PathProgramCache]: Analyzing trace with hash -1503556285, now seen corresponding path program 1 times [2019-11-06 23:16:36,905 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-06 23:16:36,905 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088754558] [2019-11-06 23:16:36,905 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 23:16:36,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 23:16:37,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-06 23:16:37,138 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2088754558] [2019-11-06 23:16:37,138 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 23:16:37,139 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-06 23:16:37,139 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744347621] [2019-11-06 23:16:37,139 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-06 23:16:37,139 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-06 23:16:37,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-06 23:16:37,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-06 23:16:37,140 INFO L87 Difference]: Start difference. First operand 2521 states and 3279 transitions. Second operand 3 states. [2019-11-06 23:16:39,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 23:16:39,773 INFO L93 Difference]: Finished difference Result 7498 states and 10071 transitions. [2019-11-06 23:16:39,774 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-06 23:16:39,774 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-11-06 23:16:39,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 23:16:39,811 INFO L225 Difference]: With dead ends: 7498 [2019-11-06 23:16:39,812 INFO L226 Difference]: Without dead ends: 4982 [2019-11-06 23:16:39,829 INFO L630 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 [2019-11-06 23:16:39,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4982 states. [2019-11-06 23:16:40,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4982 to 4952. [2019-11-06 23:16:40,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4952 states. [2019-11-06 23:16:40,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4952 states to 4952 states and 6601 transitions. [2019-11-06 23:16:40,094 INFO L78 Accepts]: Start accepts. Automaton has 4952 states and 6601 transitions. Word has length 19 [2019-11-06 23:16:40,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 23:16:40,094 INFO L462 AbstractCegarLoop]: Abstraction has 4952 states and 6601 transitions. [2019-11-06 23:16:40,094 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-06 23:16:40,095 INFO L276 IsEmpty]: Start isEmpty. Operand 4952 states and 6601 transitions. [2019-11-06 23:16:40,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2019-11-06 23:16:40,115 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 23:16:40,116 INFO L410 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] [2019-11-06 23:16:40,117 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 23:16:40,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 23:16:40,117 INFO L82 PathProgramCache]: Analyzing trace with hash -359132094, now seen corresponding path program 1 times [2019-11-06 23:16:40,118 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-06 23:16:40,118 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303435544] [2019-11-06 23:16:40,118 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 23:16:40,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 23:16:40,614 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2019-11-06 23:16:40,614 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303435544] [2019-11-06 23:16:40,615 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 23:16:40,615 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-06 23:16:40,615 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323136554] [2019-11-06 23:16:40,616 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-06 23:16:40,616 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-06 23:16:40,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-06 23:16:40,617 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-06 23:16:40,617 INFO L87 Difference]: Start difference. First operand 4952 states and 6601 transitions. Second operand 3 states. [2019-11-06 23:16:40,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 23:16:40,976 INFO L93 Difference]: Finished difference Result 9874 states and 13552 transitions. [2019-11-06 23:16:40,976 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-06 23:16:40,977 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 174 [2019-11-06 23:16:40,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 23:16:41,020 INFO L225 Difference]: With dead ends: 9874 [2019-11-06 23:16:41,020 INFO L226 Difference]: Without dead ends: 4932 [2019-11-06 23:16:41,064 INFO L630 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 [2019-11-06 23:16:41,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4932 states. [2019-11-06 23:16:41,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4932 to 4932. [2019-11-06 23:16:41,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4932 states. [2019-11-06 23:16:41,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4932 states to 4932 states and 6405 transitions. [2019-11-06 23:16:41,316 INFO L78 Accepts]: Start accepts. Automaton has 4932 states and 6405 transitions. Word has length 174 [2019-11-06 23:16:41,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 23:16:41,318 INFO L462 AbstractCegarLoop]: Abstraction has 4932 states and 6405 transitions. [2019-11-06 23:16:41,318 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-06 23:16:41,318 INFO L276 IsEmpty]: Start isEmpty. Operand 4932 states and 6405 transitions. [2019-11-06 23:16:41,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2019-11-06 23:16:41,330 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 23:16:41,330 INFO L410 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] [2019-11-06 23:16:41,331 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 23:16:41,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 23:16:41,331 INFO L82 PathProgramCache]: Analyzing trace with hash 1030971270, now seen corresponding path program 1 times [2019-11-06 23:16:41,331 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-06 23:16:41,331 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041367268] [2019-11-06 23:16:41,332 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 23:16:41,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 23:16:41,739 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2019-11-06 23:16:41,739 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2041367268] [2019-11-06 23:16:41,740 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 23:16:41,740 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-06 23:16:41,740 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859900247] [2019-11-06 23:16:41,742 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-06 23:16:41,742 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-06 23:16:41,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-06 23:16:41,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-06 23:16:41,743 INFO L87 Difference]: Start difference. First operand 4932 states and 6405 transitions. Second operand 4 states. [2019-11-06 23:16:46,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 23:16:46,030 INFO L93 Difference]: Finished difference Result 9490 states and 12380 transitions. [2019-11-06 23:16:46,031 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-06 23:16:46,031 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 174 [2019-11-06 23:16:46,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 23:16:46,061 INFO L225 Difference]: With dead ends: 9490 [2019-11-06 23:16:46,061 INFO L226 Difference]: Without dead ends: 4568 [2019-11-06 23:16:46,082 INFO L630 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 [2019-11-06 23:16:46,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4568 states. [2019-11-06 23:16:46,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4568 to 4568. [2019-11-06 23:16:46,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4568 states. [2019-11-06 23:16:46,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4568 states to 4568 states and 5945 transitions. [2019-11-06 23:16:46,309 INFO L78 Accepts]: Start accepts. Automaton has 4568 states and 5945 transitions. Word has length 174 [2019-11-06 23:16:46,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 23:16:46,310 INFO L462 AbstractCegarLoop]: Abstraction has 4568 states and 5945 transitions. [2019-11-06 23:16:46,311 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-06 23:16:46,311 INFO L276 IsEmpty]: Start isEmpty. Operand 4568 states and 5945 transitions. [2019-11-06 23:16:46,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2019-11-06 23:16:46,321 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 23:16:46,322 INFO L410 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] [2019-11-06 23:16:46,323 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 23:16:46,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 23:16:46,323 INFO L82 PathProgramCache]: Analyzing trace with hash 382988669, now seen corresponding path program 1 times [2019-11-06 23:16:46,324 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-06 23:16:46,324 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643524602] [2019-11-06 23:16:46,324 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 23:16:46,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 23:16:46,644 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-06 23:16:46,644 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643524602] [2019-11-06 23:16:46,644 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 23:16:46,645 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-06 23:16:46,645 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140625616] [2019-11-06 23:16:46,646 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-06 23:16:46,646 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-06 23:16:46,646 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-06 23:16:46,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-06 23:16:46,647 INFO L87 Difference]: Start difference. First operand 4568 states and 5945 transitions. Second operand 3 states. [2019-11-06 23:16:46,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 23:16:46,929 INFO L93 Difference]: Finished difference Result 9162 states and 11939 transitions. [2019-11-06 23:16:46,929 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-06 23:16:46,929 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 206 [2019-11-06 23:16:46,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 23:16:46,985 INFO L225 Difference]: With dead ends: 9162 [2019-11-06 23:16:46,985 INFO L226 Difference]: Without dead ends: 4604 [2019-11-06 23:16:47,011 INFO L630 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 [2019-11-06 23:16:47,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4604 states.