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-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--ttusb-dec--ttusb_dec.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 20:23:05,012 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 20:23:05,015 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 20:23:05,027 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 20:23:05,028 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 20:23:05,029 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 20:23:05,030 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 20:23:05,032 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 20:23:05,033 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 20:23:05,034 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 20:23:05,035 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 20:23:05,036 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 20:23:05,037 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 20:23:05,038 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 20:23:05,039 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 20:23:05,040 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 20:23:05,040 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 20:23:05,041 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 20:23:05,044 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 20:23:05,046 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 20:23:05,051 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 20:23:05,053 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 20:23:05,054 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 20:23:05,055 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 20:23:05,057 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 20:23:05,057 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 20:23:05,058 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 20:23:05,058 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 20:23:05,059 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 20:23:05,060 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 20:23:05,060 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 20:23:05,061 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 20:23:05,062 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 20:23:05,063 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 20:23:05,064 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 20:23:05,064 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 20:23:05,065 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 20:23:05,065 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 20:23:05,065 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 20:23:05,066 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 20:23:05,067 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 20:23:05,068 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 20:23:05,084 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 20:23:05,084 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 20:23:05,085 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 20:23:05,086 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 20:23:05,086 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 20:23:05,086 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 20:23:05,086 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 20:23:05,086 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 20:23:05,087 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 20:23:05,087 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 20:23:05,087 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 20:23:05,087 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 20:23:05,087 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 20:23:05,088 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 20:23:05,088 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 20:23:05,088 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 20:23:05,088 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 20:23:05,088 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 20:23:05,089 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 20:23:05,089 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 20:23:05,089 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 20:23:05,089 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 20:23:05,089 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 20:23:05,090 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 20:23:05,090 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 20:23:05,090 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 20:23:05,090 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 20:23:05,090 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 20:23:05,091 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-13 20:23:05,388 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 20:23:05,413 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 20:23:05,418 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 20:23:05,421 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 20:23:05,421 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 20:23:05,422 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--ttusb-dec--ttusb_dec.ko-entry_point.cil.out.i [2019-10-13 20:23:05,503 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d0269da28/81d183e1f14d4e9a9903268f1ae94def/FLAG328e32173 [2019-10-13 20:23:06,382 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 20:23:06,383 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--ttusb-dec--ttusb_dec.ko-entry_point.cil.out.i [2019-10-13 20:23:06,446 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d0269da28/81d183e1f14d4e9a9903268f1ae94def/FLAG328e32173 [2019-10-13 20:23:06,908 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d0269da28/81d183e1f14d4e9a9903268f1ae94def [2019-10-13 20:23:06,917 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 20:23:06,918 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 20:23:06,919 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 20:23:06,920 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 20:23:06,923 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 20:23:06,924 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:23:06" (1/1) ... [2019-10-13 20:23:06,927 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a88d122 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:23:06, skipping insertion in model container [2019-10-13 20:23:06,928 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:23:06" (1/1) ... [2019-10-13 20:23:06,936 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 20:23:07,112 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 20:23:09,518 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 20:23:09,554 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 20:23:10,143 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 20:23:10,327 INFO L192 MainTranslator]: Completed translation [2019-10-13 20:23:10,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:23:10 WrapperNode [2019-10-13 20:23:10,327 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 20:23:10,328 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 20:23:10,328 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 20:23:10,329 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 20:23:10,345 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:23:10" (1/1) ... [2019-10-13 20:23:10,345 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:23:10" (1/1) ... [2019-10-13 20:23:10,405 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:23:10" (1/1) ... [2019-10-13 20:23:10,406 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:23:10" (1/1) ... [2019-10-13 20:23:10,542 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:23:10" (1/1) ... [2019-10-13 20:23:10,566 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:23:10" (1/1) ... [2019-10-13 20:23:10,600 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:23:10" (1/1) ... [2019-10-13 20:23:10,644 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 20:23:10,645 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 20:23:10,645 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 20:23:10,645 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 20:23:10,646 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:23:10" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 20:23:10,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 20:23:10,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 20:23:10,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2019-10-13 20:23:10,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~dma_addr_t~0~X~$Pointer$~TO~VOID [2019-10-13 20:23:10,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~X~$Pointer$~X~int~TO~int [2019-10-13 20:23:10,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-13 20:23:10,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2019-10-13 20:23:10,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2019-10-13 20:23:10,724 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_swab32 [2019-10-13 20:23:10,725 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2019-10-13 20:23:10,725 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2019-10-13 20:23:10,725 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2019-10-13 20:23:10,725 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2019-10-13 20:23:10,725 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2019-10-13 20:23:10,726 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2019-10-13 20:23:10,726 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2019-10-13 20:23:10,726 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2019-10-13 20:23:10,726 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2019-10-13 20:23:10,726 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2019-10-13 20:23:10,729 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2019-10-13 20:23:10,731 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_make_path [2019-10-13 20:23:10,731 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2019-10-13 20:23:10,732 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-13 20:23:10,732 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-13 20:23:10,732 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-13 20:23:10,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-13 20:23:10,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-13 20:23:10,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-13 20:23:10,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-13 20:23:10,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-13 20:23:10,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-13 20:23:10,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-13 20:23:10,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-13 20:23:10,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2019-10-13 20:23:10,733 INFO L138 BoogieDeclarations]: Found implementation of procedure is_device_dma_capable [2019-10-13 20:23:10,733 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2019-10-13 20:23:10,733 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_mask [2019-10-13 20:23:10,733 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_coherent_gfp_flags [2019-10-13 20:23:10,733 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2019-10-13 20:23:10,733 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2019-10-13 20:23:10,734 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2019-10-13 20:23:10,734 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2019-10-13 20:23:10,734 INFO L138 BoogieDeclarations]: Found implementation of procedure input_allocate_device [2019-10-13 20:23:10,734 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_key [2019-10-13 20:23:10,734 INFO L138 BoogieDeclarations]: Found implementation of procedure input_sync [2019-10-13 20:23:10,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_handle_irq [2019-10-13 20:23:10,735 INFO L138 BoogieDeclarations]: Found implementation of procedure crc16 [2019-10-13 20:23:10,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_send_command [2019-10-13 20:23:10,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_get_stb_state [2019-10-13 20:23:10,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_audio_pes2ts_cb [2019-10-13 20:23:10,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_video_pes2ts_cb [2019-10-13 20:23:10,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_set_pids [2019-10-13 20:23:10,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_process_pva [2019-10-13 20:23:10,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_process_filter [2019-10-13 20:23:10,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_process_packet [2019-10-13 20:23:10,736 INFO L138 BoogieDeclarations]: Found implementation of procedure swap_bytes [2019-10-13 20:23:10,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_process_urb_frame [2019-10-13 20:23:10,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_process_urb_frame_list [2019-10-13 20:23:10,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_process_urb [2019-10-13 20:23:10,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_setup_urbs [2019-10-13 20:23:10,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_stop_iso_xfer [2019-10-13 20:23:10,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_set_interface [2019-10-13 20:23:10,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_start_iso_xfer [2019-10-13 20:23:10,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_start_ts_feed [2019-10-13 20:23:10,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_start_sec_feed [2019-10-13 20:23:10,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_start_feed [2019-10-13 20:23:10,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_stop_ts_feed [2019-10-13 20:23:10,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_stop_sec_feed [2019-10-13 20:23:10,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_stop_feed [2019-10-13 20:23:10,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_free_iso_urbs [2019-10-13 20:23:10,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_alloc_iso_urbs [2019-10-13 20:23:10,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_init_tasklet [2019-10-13 20:23:10,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_init_rc [2019-10-13 20:23:10,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_init_v_pes [2019-10-13 20:23:10,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_init_usb [2019-10-13 20:23:10,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_boot_dsp [2019-10-13 20:23:10,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_init_stb [2019-10-13 20:23:10,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_init_dvb [2019-10-13 20:23:10,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_exit_dvb [2019-10-13 20:23:10,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_exit_rc [2019-10-13 20:23:10,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_exit_usb [2019-10-13 20:23:10,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_exit_tasklet [2019-10-13 20:23:10,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_init_filters [2019-10-13 20:23:10,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_exit_filters [2019-10-13 20:23:10,741 INFO L138 BoogieDeclarations]: Found implementation of procedure fe_send_command [2019-10-13 20:23:10,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_probe [2019-10-13 20:23:10,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_disconnect [2019-10-13 20:23:10,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_set_model [2019-10-13 20:23:10,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_driver_init [2019-10-13 20:23:10,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_dec_driver_exit [2019-10-13 20:23:10,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2019-10-13 20:23:10,742 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 20:23:10,742 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2019-10-13 20:23:10,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_2 [2019-10-13 20:23:10,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_3 [2019-10-13 20:23:10,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_4 [2019-10-13 20:23:10,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_5 [2019-10-13 20:23:10,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_6 [2019-10-13 20:23:10,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_7 [2019-10-13 20:23:10,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_alloc_urb_8 [2019-10-13 20:23:10,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_9 [2019-10-13 20:23:10,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_int_urb_10 [2019-10-13 20:23:10,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_free_urb_11 [2019-10-13 20:23:10,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_12 [2019-10-13 20:23:10,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_13 [2019-10-13 20:23:10,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_15 [2019-10-13 20:23:10,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_16 [2019-10-13 20:23:10,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2019-10-13 20:23:10,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata [2019-10-13 20:23:10,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata [2019-10-13 20:23:10,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_put_intf [2019-10-13 20:23:10,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2019-10-13 20:23:10,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2019-10-13 20:23:10,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_int_urb [2019-10-13 20:23:10,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_fill_bulk_urb [2019-10-13 20:23:10,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2019-10-13 20:23:10,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interface_to_usbdev [2019-10-13 20:23:10,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_dev [2019-10-13 20:23:10,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_dev [2019-10-13 20:23:10,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_get_interface [2019-10-13 20:23:10,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_put_interface [2019-10-13 20:23:10,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_register [2019-10-13 20:23:10,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_serial_deregister [2019-10-13 20:23:10,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-13 20:23:10,747 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2019-10-13 20:23:10,747 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-10-13 20:23:10,747 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2019-10-13 20:23:10,747 INFO L138 BoogieDeclarations]: Found implementation of procedure __tasklet_schedule [2019-10-13 20:23:10,748 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2019-10-13 20:23:10,748 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irqrestore [2019-10-13 20:23:10,748 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2019-10-13 20:23:10,748 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_alloc_coherent [2019-10-13 20:23:10,748 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_free_coherent [2019-10-13 20:23:10,749 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmx_init [2019-10-13 20:23:10,749 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmx_release [2019-10-13 20:23:10,749 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmxdev_init [2019-10-13 20:23:10,749 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmxdev_release [2019-10-13 20:23:10,749 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_filter_pes2ts [2019-10-13 20:23:10,749 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_filter_pes2ts_init [2019-10-13 20:23:10,750 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_net_init [2019-10-13 20:23:10,750 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_net_release [2019-10-13 20:23:10,750 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_register_adapter [2019-10-13 20:23:10,750 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_register_frontend [2019-10-13 20:23:10,750 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_unregister_adapter [2019-10-13 20:23:10,750 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_unregister_frontend [2019-10-13 20:23:10,751 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2019-10-13 20:23:10,751 INFO L138 BoogieDeclarations]: Found implementation of procedure input_free_device [2019-10-13 20:23:10,751 INFO L138 BoogieDeclarations]: Found implementation of procedure input_register_device [2019-10-13 20:23:10,751 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_device [2019-10-13 20:23:10,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-13 20:23:10,751 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2019-10-13 20:23:10,751 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2019-10-13 20:23:10,752 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-13 20:23:10,752 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-13 20:23:10,752 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2019-10-13 20:23:10,752 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2019-10-13 20:23:10,752 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2019-10-13 20:23:10,752 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2019-10-13 20:23:10,753 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2019-10-13 20:23:10,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusbdecfe_dvbs_attach [2019-10-13 20:23:10,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusbdecfe_dvbt_attach [2019-10-13 20:23:10,753 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_coherent [2019-10-13 20:23:10,753 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2019-10-13 20:23:10,753 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2019-10-13 20:23:10,753 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_coherent [2019-10-13 20:23:10,754 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2019-10-13 20:23:10,754 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2019-10-13 20:23:10,754 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2019-10-13 20:23:10,754 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2019-10-13 20:23:10,754 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-13 20:23:10,754 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-13 20:23:10,755 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-13 20:23:10,755 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-13 20:23:10,755 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-13 20:23:10,755 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 20:23:10,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-13 20:23:10,756 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-13 20:23:10,756 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-13 20:23:10,756 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2019-10-13 20:23:10,756 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_swab32 [2019-10-13 20:23:10,756 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2019-10-13 20:23:10,756 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2019-10-13 20:23:10,757 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2019-10-13 20:23:10,757 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2019-10-13 20:23:10,757 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-13 20:23:10,757 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2019-10-13 20:23:10,757 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2019-10-13 20:23:10,757 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2019-10-13 20:23:10,757 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 20:23:10,758 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2019-10-13 20:23:10,758 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2019-10-13 20:23:10,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 20:23:10,758 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2019-10-13 20:23:10,758 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2019-10-13 20:23:10,758 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2019-10-13 20:23:10,758 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2019-10-13 20:23:10,759 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2019-10-13 20:23:10,759 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irqrestore [2019-10-13 20:23:10,759 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2019-10-13 20:23:10,759 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2019-10-13 20:23:10,759 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-10-13 20:23:10,759 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2019-10-13 20:23:10,759 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-13 20:23:10,760 INFO L130 BoogieDeclarations]: Found specification of procedure __tasklet_schedule [2019-10-13 20:23:10,760 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2019-10-13 20:23:10,760 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2019-10-13 20:23:10,760 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2019-10-13 20:23:10,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_13 [2019-10-13 20:23:10,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_12 [2019-10-13 20:23:10,760 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2019-10-13 20:23:10,761 INFO L130 BoogieDeclarations]: Found specification of procedure usb_make_path [2019-10-13 20:23:10,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 20:23:10,761 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2019-10-13 20:23:10,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_15 [2019-10-13 20:23:10,761 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2019-10-13 20:23:10,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_16 [2019-10-13 20:23:10,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_int_urb_10 [2019-10-13 20:23:10,762 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_6 [2019-10-13 20:23:10,762 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_alloc_urb_8 [2019-10-13 20:23:10,762 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_5 [2019-10-13 20:23:10,762 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_9 [2019-10-13 20:23:10,762 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_free_urb_11 [2019-10-13 20:23:10,762 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_2 [2019-10-13 20:23:10,762 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_3 [2019-10-13 20:23:10,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_4 [2019-10-13 20:23:10,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_7 [2019-10-13 20:23:10,763 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2019-10-13 20:23:10,763 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_coherent [2019-10-13 20:23:10,763 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_coherent [2019-10-13 20:23:10,763 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2019-10-13 20:23:10,763 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2019-10-13 20:23:10,764 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2019-10-13 20:23:10,764 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 20:23:10,764 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2019-10-13 20:23:10,764 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2019-10-13 20:23:10,764 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_int_urb [2019-10-13 20:23:10,764 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2019-10-13 20:23:10,764 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interface_to_usbdev [2019-10-13 20:23:10,764 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata [2019-10-13 20:23:10,765 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata [2019-10-13 20:23:10,765 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-13 20:23:10,765 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-13 20:23:10,765 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-13 20:23:10,765 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-13 20:23:10,765 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-13 20:23:10,765 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 20:23:10,766 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-13 20:23:10,766 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 20:23:10,766 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-13 20:23:10,766 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-13 20:23:10,766 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-13 20:23:10,766 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 20:23:10,766 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-13 20:23:10,766 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-13 20:23:10,767 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-13 20:23:10,767 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-13 20:23:10,767 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-13 20:23:10,767 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-13 20:23:10,767 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-13 20:23:10,767 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2019-10-13 20:23:10,767 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2019-10-13 20:23:10,768 INFO L130 BoogieDeclarations]: Found specification of procedure is_device_dma_capable [2019-10-13 20:23:10,768 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_alloc_coherent [2019-10-13 20:23:10,768 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_free_coherent [2019-10-13 20:23:10,768 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2019-10-13 20:23:10,768 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_mask [2019-10-13 20:23:10,768 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_coherent_gfp_flags [2019-10-13 20:23:10,768 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2019-10-13 20:23:10,768 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~gfp_t~0~X~$Pointer$~TO~$Pointer$ [2019-10-13 20:23:10,769 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2019-10-13 20:23:10,769 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~~dma_addr_t~0~X~$Pointer$~TO~VOID [2019-10-13 20:23:10,769 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2019-10-13 20:23:10,769 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2019-10-13 20:23:10,769 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2019-10-13 20:23:10,769 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2019-10-13 20:23:10,770 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2019-10-13 20:23:10,770 INFO L130 BoogieDeclarations]: Found specification of procedure input_allocate_device [2019-10-13 20:23:10,770 INFO L130 BoogieDeclarations]: Found specification of procedure input_free_device [2019-10-13 20:23:10,770 INFO L130 BoogieDeclarations]: Found specification of procedure input_register_device [2019-10-13 20:23:10,770 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_device [2019-10-13 20:23:10,770 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2019-10-13 20:23:10,770 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_key [2019-10-13 20:23:10,771 INFO L130 BoogieDeclarations]: Found specification of procedure input_sync [2019-10-13 20:23:10,771 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_register_adapter [2019-10-13 20:23:10,771 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_unregister_adapter [2019-10-13 20:23:10,771 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmxdev_init [2019-10-13 20:23:10,771 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmxdev_release [2019-10-13 20:23:10,771 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmx_init [2019-10-13 20:23:10,771 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmx_release [2019-10-13 20:23:10,771 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_filter_pes2ts_init [2019-10-13 20:23:10,772 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_filter_pes2ts [2019-10-13 20:23:10,772 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_register_frontend [2019-10-13 20:23:10,772 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_unregister_frontend [2019-10-13 20:23:10,772 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_net_release [2019-10-13 20:23:10,772 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_net_init [2019-10-13 20:23:10,772 INFO L130 BoogieDeclarations]: Found specification of procedure ttusbdecfe_dvbs_attach [2019-10-13 20:23:10,773 INFO L130 BoogieDeclarations]: Found specification of procedure ttusbdecfe_dvbt_attach [2019-10-13 20:23:10,773 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_set_model [2019-10-13 20:23:10,773 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_handle_irq [2019-10-13 20:23:10,773 INFO L130 BoogieDeclarations]: Found specification of procedure crc16 [2019-10-13 20:23:10,773 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_send_command [2019-10-13 20:23:10,773 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-13 20:23:10,773 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 20:23:10,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 20:23:10,774 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_get_stb_state [2019-10-13 20:23:10,774 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_audio_pes2ts_cb [2019-10-13 20:23:10,774 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~X~$Pointer$~X~int~TO~int [2019-10-13 20:23:10,774 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_video_pes2ts_cb [2019-10-13 20:23:10,774 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_set_pids [2019-10-13 20:23:10,774 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_process_pva [2019-10-13 20:23:10,774 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_process_filter [2019-10-13 20:23:10,774 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_process_packet [2019-10-13 20:23:10,775 INFO L130 BoogieDeclarations]: Found specification of procedure swap_bytes [2019-10-13 20:23:10,775 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_process_urb_frame [2019-10-13 20:23:10,775 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_process_urb_frame_list [2019-10-13 20:23:10,775 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_process_urb [2019-10-13 20:23:10,775 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_setup_urbs [2019-10-13 20:23:10,775 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_stop_iso_xfer [2019-10-13 20:23:10,775 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_set_interface [2019-10-13 20:23:10,776 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_start_iso_xfer [2019-10-13 20:23:10,776 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_start_ts_feed [2019-10-13 20:23:10,776 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_start_sec_feed [2019-10-13 20:23:10,776 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_start_feed [2019-10-13 20:23:10,776 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_stop_ts_feed [2019-10-13 20:23:10,776 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_stop_sec_feed [2019-10-13 20:23:10,776 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_stop_feed [2019-10-13 20:23:10,776 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_free_iso_urbs [2019-10-13 20:23:10,777 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_alloc_iso_urbs [2019-10-13 20:23:10,777 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-13 20:23:10,777 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_init_tasklet [2019-10-13 20:23:10,777 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_init_rc [2019-10-13 20:23:10,777 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_init_v_pes [2019-10-13 20:23:10,777 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_init_usb [2019-10-13 20:23:10,777 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_boot_dsp [2019-10-13 20:23:10,778 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_init_stb [2019-10-13 20:23:10,778 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_init_dvb [2019-10-13 20:23:10,778 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2019-10-13 20:23:10,778 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_exit_dvb [2019-10-13 20:23:10,778 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2019-10-13 20:23:10,778 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2019-10-13 20:23:10,778 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_exit_rc [2019-10-13 20:23:10,778 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_exit_usb [2019-10-13 20:23:10,778 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_exit_tasklet [2019-10-13 20:23:10,779 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_init_filters [2019-10-13 20:23:10,779 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_exit_filters [2019-10-13 20:23:10,779 INFO L130 BoogieDeclarations]: Found specification of procedure fe_send_command [2019-10-13 20:23:10,779 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_probe [2019-10-13 20:23:10,779 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_disconnect [2019-10-13 20:23:10,779 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_driver_init [2019-10-13 20:23:10,779 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_dec_driver_exit [2019-10-13 20:23:10,779 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-13 20:23:10,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-13 20:23:10,780 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 20:23:10,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2019-10-13 20:23:10,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_put_intf [2019-10-13 20:23:10,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_fill_bulk_urb [2019-10-13 20:23:10,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_dev [2019-10-13 20:23:10,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_dev [2019-10-13 20:23:10,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_get_interface [2019-10-13 20:23:10,781 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_put_interface [2019-10-13 20:23:10,781 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_register [2019-10-13 20:23:10,781 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_serial_deregister [2019-10-13 20:23:10,781 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-13 20:23:10,781 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-13 20:23:10,781 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 20:23:10,781 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 20:23:10,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 20:23:10,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-13 20:23:10,782 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 20:23:10,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-13 20:23:10,782 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-13 20:23:10,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-13 20:23:10,782 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-13 20:23:12,006 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-13 20:23:19,981 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2019-10-13 20:23:23,128 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 20:23:23,128 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-13 20:23:23,131 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:23:23 BoogieIcfgContainer [2019-10-13 20:23:23,131 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 20:23:23,132 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 20:23:23,132 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 20:23:23,135 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 20:23:23,136 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 08:23:06" (1/3) ... [2019-10-13 20:23:23,136 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bd4b412 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:23:23, skipping insertion in model container [2019-10-13 20:23:23,137 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:23:10" (2/3) ... [2019-10-13 20:23:23,137 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bd4b412 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:23:23, skipping insertion in model container [2019-10-13 20:23:23,137 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:23:23" (3/3) ... [2019-10-13 20:23:23,139 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--media--usb--ttusb-dec--ttusb_dec.ko-entry_point.cil.out.i [2019-10-13 20:23:23,148 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 20:23:23,157 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 20:23:23,169 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 20:23:23,202 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 20:23:23,202 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 20:23:23,202 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 20:23:23,202 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 20:23:23,202 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 20:23:23,203 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 20:23:23,203 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 20:23:23,203 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 20:23:23,247 INFO L276 IsEmpty]: Start isEmpty. Operand 1544 states. [2019-10-13 20:23:23,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-10-13 20:23:23,258 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:23:23,259 INFO L380 BasicCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 20:23:23,262 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:23:23,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:23:23,267 INFO L82 PathProgramCache]: Analyzing trace with hash 2036228256, now seen corresponding path program 1 times [2019-10-13 20:23:23,277 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:23:23,277 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746788295] [2019-10-13 20:23:23,277 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:23:23,278 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:23:23,278 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:23:23,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:23:24,167 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2019-10-13 20:23:24,168 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [746788295] [2019-10-13 20:23:24,169 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:23:24,169 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:23:24,169 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317293979] [2019-10-13 20:23:24,174 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:23:24,176 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:23:24,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:23:24,191 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:23:24,193 INFO L87 Difference]: Start difference. First operand 1544 states. Second operand 3 states. [2019-10-13 20:23:26,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:23:26,897 INFO L93 Difference]: Finished difference Result 3999 states and 5185 transitions. [2019-10-13 20:23:26,897 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:23:26,899 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 68 [2019-10-13 20:23:26,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:23:26,938 INFO L225 Difference]: With dead ends: 3999 [2019-10-13 20:23:26,938 INFO L226 Difference]: Without dead ends: 2628 [2019-10-13 20:23:26,950 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:23:26,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2628 states. [2019-10-13 20:23:27,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2628 to 2628. [2019-10-13 20:23:27,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2628 states. [2019-10-13 20:23:27,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2628 states to 2628 states and 3394 transitions. [2019-10-13 20:23:27,214 INFO L78 Accepts]: Start accepts. Automaton has 2628 states and 3394 transitions. Word has length 68 [2019-10-13 20:23:27,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:23:27,215 INFO L462 AbstractCegarLoop]: Abstraction has 2628 states and 3394 transitions. [2019-10-13 20:23:27,215 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:23:27,215 INFO L276 IsEmpty]: Start isEmpty. Operand 2628 states and 3394 transitions. [2019-10-13 20:23:27,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2019-10-13 20:23:27,227 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:23:27,227 INFO L380 BasicCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 20:23:27,228 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:23:27,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:23:27,228 INFO L82 PathProgramCache]: Analyzing trace with hash 523127889, now seen corresponding path program 1 times [2019-10-13 20:23:27,228 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:23:27,229 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657960797] [2019-10-13 20:23:27,229 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:23:27,229 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:23:27,229 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:23:27,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:23:27,590 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2019-10-13 20:23:27,591 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1657960797] [2019-10-13 20:23:27,591 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:23:27,591 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:23:27,591 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558215411] [2019-10-13 20:23:27,593 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:23:27,593 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:23:27,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:23:27,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:23:27,594 INFO L87 Difference]: Start difference. First operand 2628 states and 3394 transitions. Second operand 3 states. [2019-10-13 20:23:27,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:23:27,967 INFO L93 Difference]: Finished difference Result 2654 states and 3426 transitions. [2019-10-13 20:23:27,967 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:23:27,968 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 84 [2019-10-13 20:23:27,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:23:27,984 INFO L225 Difference]: With dead ends: 2654 [2019-10-13 20:23:27,984 INFO L226 Difference]: Without dead ends: 2641 [2019-10-13 20:23:27,986 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:23:27,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2641 states. [2019-10-13 20:23:28,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2641 to 2628. [2019-10-13 20:23:28,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2628 states. [2019-10-13 20:23:28,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2628 states to 2628 states and 3393 transitions. [2019-10-13 20:23:28,099 INFO L78 Accepts]: Start accepts. Automaton has 2628 states and 3393 transitions. Word has length 84 [2019-10-13 20:23:28,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:23:28,100 INFO L462 AbstractCegarLoop]: Abstraction has 2628 states and 3393 transitions. [2019-10-13 20:23:28,100 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:23:28,100 INFO L276 IsEmpty]: Start isEmpty. Operand 2628 states and 3393 transitions. [2019-10-13 20:23:28,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2019-10-13 20:23:28,102 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:23:28,102 INFO L380 BasicCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 20:23:28,102 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:23:28,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:23:28,103 INFO L82 PathProgramCache]: Analyzing trace with hash 580386191, now seen corresponding path program 1 times [2019-10-13 20:23:28,103 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:23:28,103 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451343878] [2019-10-13 20:23:28,103 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:23:28,104 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:23:28,104 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:23:28,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:23:28,554 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2019-10-13 20:23:28,555 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1451343878] [2019-10-13 20:23:28,555 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:23:28,555 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:23:28,556 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394174434] [2019-10-13 20:23:28,556 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:23:28,556 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:23:28,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:23:28,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:23:28,557 INFO L87 Difference]: Start difference. First operand 2628 states and 3393 transitions. Second operand 3 states. [2019-10-13 20:23:28,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:23:28,810 INFO L93 Difference]: Finished difference Result 7823 states and 10430 transitions. [2019-10-13 20:23:28,810 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:23:28,810 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 84 [2019-10-13 20:23:28,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:23:28,844 INFO L225 Difference]: With dead ends: 7823 [2019-10-13 20:23:28,844 INFO L226 Difference]: Without dead ends: 5225 [2019-10-13 20:23:28,857 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:23:28,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5225 states. [2019-10-13 20:23:29,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5225 to 5215. [2019-10-13 20:23:29,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5215 states. [2019-10-13 20:23:29,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5215 states to 5215 states and 6896 transitions. [2019-10-13 20:23:29,152 INFO L78 Accepts]: Start accepts. Automaton has 5215 states and 6896 transitions. Word has length 84 [2019-10-13 20:23:29,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:23:29,152 INFO L462 AbstractCegarLoop]: Abstraction has 5215 states and 6896 transitions. [2019-10-13 20:23:29,153 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:23:29,153 INFO L276 IsEmpty]: Start isEmpty. Operand 5215 states and 6896 transitions. [2019-10-13 20:23:29,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2019-10-13 20:23:29,154 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:23:29,155 INFO L380 BasicCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 20:23:29,155 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:23:29,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:23:29,155 INFO L82 PathProgramCache]: Analyzing trace with hash 811444853, now seen corresponding path program 1 times [2019-10-13 20:23:29,156 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:23:29,156 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866932032] [2019-10-13 20:23:29,156 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:23:29,156 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:23:29,156 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:23:29,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:23:29,573 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2019-10-13 20:23:29,574 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866932032] [2019-10-13 20:23:29,574 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:23:29,575 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 20:23:29,575 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050650005] [2019-10-13 20:23:29,576 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-13 20:23:29,576 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:23:29,576 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-13 20:23:29,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 20:23:29,577 INFO L87 Difference]: Start difference. First operand 5215 states and 6896 transitions. Second operand 4 states. [2019-10-13 20:23:29,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:23:29,903 INFO L93 Difference]: Finished difference Result 10418 states and 13780 transitions. [2019-10-13 20:23:29,903 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-13 20:23:29,903 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 85 [2019-10-13 20:23:29,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:23:29,942 INFO L225 Difference]: With dead ends: 10418 [2019-10-13 20:23:29,943 INFO L226 Difference]: Without dead ends: 5232 [2019-10-13 20:23:29,967 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-13 20:23:29,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5232 states. [2019-10-13 20:23:30,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5232 to 5220. [2019-10-13 20:23:30,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5220 states. [2019-10-13 20:23:31,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5220 states to 5220 states and 6902 transitions. [2019-10-13 20:23:31,022 INFO L78 Accepts]: Start accepts. Automaton has 5220 states and 6902 transitions. Word has length 85 [2019-10-13 20:23:31,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:23:31,023 INFO L462 AbstractCegarLoop]: Abstraction has 5220 states and 6902 transitions. [2019-10-13 20:23:31,023 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-13 20:23:31,023 INFO L276 IsEmpty]: Start isEmpty. Operand 5220 states and 6902 transitions. [2019-10-13 20:23:31,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2019-10-13 20:23:31,029 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:23:31,030 INFO L380 BasicCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 20:23:31,030 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:23:31,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:23:31,031 INFO L82 PathProgramCache]: Analyzing trace with hash -1148744812, now seen corresponding path program 1 times [2019-10-13 20:23:31,031 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:23:31,033 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128580271] [2019-10-13 20:23:31,033 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:23:31,033 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:23:31,034 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:23:31,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:23:31,469 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2019-10-13 20:23:31,469 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128580271] [2019-10-13 20:23:31,470 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:23:31,470 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:23:31,470 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016628635] [2019-10-13 20:23:31,471 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:23:31,471 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:23:31,471 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:23:31,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:23:31,472 INFO L87 Difference]: Start difference. First operand 5220 states and 6902 transitions. Second operand 3 states. [2019-10-13 20:23:31,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:23:31,664 INFO L93 Difference]: Finished difference Result 5222 states and 6903 transitions. [2019-10-13 20:23:31,664 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:23:31,665 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 86 [2019-10-13 20:23:31,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:23:31,703 INFO L225 Difference]: With dead ends: 5222 [2019-10-13 20:23:31,704 INFO L226 Difference]: Without dead ends: 5219 [2019-10-13 20:23:31,708 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:23:31,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5219 states. [2019-10-13 20:23:31,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5219 to 5219. [2019-10-13 20:23:31,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5219 states. [2019-10-13 20:23:31,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5219 states to 5219 states and 6900 transitions. [2019-10-13 20:23:31,987 INFO L78 Accepts]: Start accepts. Automaton has 5219 states and 6900 transitions. Word has length 86 [2019-10-13 20:23:31,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:23:31,988 INFO L462 AbstractCegarLoop]: Abstraction has 5219 states and 6900 transitions. [2019-10-13 20:23:31,988 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:23:31,988 INFO L276 IsEmpty]: Start isEmpty. Operand 5219 states and 6900 transitions. [2019-10-13 20:23:31,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2019-10-13 20:23:31,990 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:23:31,990 INFO L380 BasicCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 20:23:31,990 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:23:31,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:23:31,991 INFO L82 PathProgramCache]: Analyzing trace with hash -1252003821, now seen corresponding path program 1 times [2019-10-13 20:23:31,991 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:23:31,991 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901864286] [2019-10-13 20:23:31,991 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:23:31,991 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:23:31,992 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:23:32,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:23:32,300 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2019-10-13 20:23:32,301 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901864286] [2019-10-13 20:23:32,301 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:23:32,301 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:23:32,301 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147570000] [2019-10-13 20:23:32,302 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:23:32,302 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:23:32,302 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:23:32,303 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:23:32,303 INFO L87 Difference]: Start difference. First operand 5219 states and 6900 transitions. Second operand 3 states. [2019-10-13 20:23:32,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:23:32,516 INFO L93 Difference]: Finished difference Result 5221 states and 6901 transitions. [2019-10-13 20:23:32,517 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:23:32,517 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 87 [2019-10-13 20:23:32,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:23:32,583 INFO L225 Difference]: With dead ends: 5221 [2019-10-13 20:23:32,583 INFO L226 Difference]: Without dead ends: 5218 [2019-10-13 20:23:32,590 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:23:32,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5218 states. [2019-10-13 20:23:32,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5218 to 5218. [2019-10-13 20:23:32,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5218 states. [2019-10-13 20:23:32,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5218 states to 5218 states and 6898 transitions. [2019-10-13 20:23:32,989 INFO L78 Accepts]: Start accepts. Automaton has 5218 states and 6898 transitions. Word has length 87 [2019-10-13 20:23:32,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:23:32,990 INFO L462 AbstractCegarLoop]: Abstraction has 5218 states and 6898 transitions. [2019-10-13 20:23:32,990 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:23:32,990 INFO L276 IsEmpty]: Start isEmpty. Operand 5218 states and 6898 transitions. [2019-10-13 20:23:32,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-10-13 20:23:32,993 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:23:32,993 INFO L380 BasicCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 20:23:32,993 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:23:32,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:23:32,994 INFO L82 PathProgramCache]: Analyzing trace with hash -158060937, now seen corresponding path program 1 times [2019-10-13 20:23:32,994 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:23:32,994 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805963767] [2019-10-13 20:23:32,995 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:23:32,995 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:23:32,995 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:23:33,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:23:33,381 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2019-10-13 20:23:33,381 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805963767] [2019-10-13 20:23:33,382 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:23:33,382 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:23:33,382 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865360278] [2019-10-13 20:23:33,384 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:23:33,384 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:23:33,385 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:23:33,385 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:23:33,385 INFO L87 Difference]: Start difference. First operand 5218 states and 6898 transitions. Second operand 3 states. [2019-10-13 20:23:33,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:23:33,646 INFO L93 Difference]: Finished difference Result 5220 states and 6899 transitions. [2019-10-13 20:23:33,646 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:23:33,646 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 88 [2019-10-13 20:23:33,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:23:33,687 INFO L225 Difference]: With dead ends: 5220 [2019-10-13 20:23:33,688 INFO L226 Difference]: Without dead ends: 5217 [2019-10-13 20:23:33,694 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:23:33,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5217 states. [2019-10-13 20:23:33,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5217 to 5217. [2019-10-13 20:23:33,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5217 states. [2019-10-13 20:23:34,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5217 states to 5217 states and 6896 transitions. [2019-10-13 20:23:34,014 INFO L78 Accepts]: Start accepts. Automaton has 5217 states and 6896 transitions. Word has length 88 [2019-10-13 20:23:34,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:23:34,014 INFO L462 AbstractCegarLoop]: Abstraction has 5217 states and 6896 transitions. [2019-10-13 20:23:34,014 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:23:34,014 INFO L276 IsEmpty]: Start isEmpty. Operand 5217 states and 6896 transitions. [2019-10-13 20:23:34,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2019-10-13 20:23:34,016 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:23:34,017 INFO L380 BasicCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 20:23:34,017 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:23:34,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:23:34,017 INFO L82 PathProgramCache]: Analyzing trace with hash -605565034, now seen corresponding path program 1 times [2019-10-13 20:23:34,017 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:23:34,018 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125037038] [2019-10-13 20:23:34,018 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:23:34,018 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:23:34,018 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:23:34,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:23:34,306 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2019-10-13 20:23:34,306 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125037038] [2019-10-13 20:23:34,307 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:23:34,307 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:23:34,307 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867957813] [2019-10-13 20:23:34,308 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:23:34,308 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:23:34,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:23:34,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:23:34,308 INFO L87 Difference]: Start difference. First operand 5217 states and 6896 transitions. Second operand 3 states. [2019-10-13 20:23:34,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:23:34,562 INFO L93 Difference]: Finished difference Result 5219 states and 6897 transitions. [2019-10-13 20:23:34,562 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:23:34,562 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 89 [2019-10-13 20:23:34,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:23:34,608 INFO L225 Difference]: With dead ends: 5219 [2019-10-13 20:23:34,608 INFO L226 Difference]: Without dead ends: 5197 [2019-10-13 20:23:34,614 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:23:34,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5197 states. [2019-10-13 20:23:34,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5197 to 5197. [2019-10-13 20:23:34,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5197 states. [2019-10-13 20:23:34,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5197 states to 5197 states and 6873 transitions. [2019-10-13 20:23:34,900 INFO L78 Accepts]: Start accepts. Automaton has 5197 states and 6873 transitions. Word has length 89 [2019-10-13 20:23:34,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:23:34,901 INFO L462 AbstractCegarLoop]: Abstraction has 5197 states and 6873 transitions. [2019-10-13 20:23:34,901 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:23:34,901 INFO L276 IsEmpty]: Start isEmpty. Operand 5197 states and 6873 transitions. [2019-10-13 20:23:34,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2019-10-13 20:23:34,912 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:23:34,912 INFO L380 BasicCegarLoop]: trace histogram [6, 6, 6, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 20:23:34,913 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:23:34,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:23:34,913 INFO L82 PathProgramCache]: Analyzing trace with hash -1911133325, now seen corresponding path program 1 times [2019-10-13 20:23:34,914 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:23:34,914 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410419857] [2019-10-13 20:23:34,914 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:23:34,914 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:23:34,914 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:23:35,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:23:35,193 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2019-10-13 20:23:35,193 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410419857] [2019-10-13 20:23:35,194 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:23:35,194 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:23:35,194 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656696458] [2019-10-13 20:23:35,194 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:23:35,195 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:23:35,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:23:35,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:23:35,195 INFO L87 Difference]: Start difference. First operand 5197 states and 6873 transitions. Second operand 3 states. [2019-10-13 20:23:35,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:23:35,841 INFO L93 Difference]: Finished difference Result 10796 states and 14278 transitions. [2019-10-13 20:23:35,842 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:23:35,842 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 216 [2019-10-13 20:23:35,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:23:35,881 INFO L225 Difference]: With dead ends: 10796 [2019-10-13 20:23:35,882 INFO L226 Difference]: Without dead ends: 5632 [2019-10-13 20:23:35,916 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:23:35,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5632 states. [2019-10-13 20:23:36,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5632 to 5599. [2019-10-13 20:23:36,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5599 states. [2019-10-13 20:23:36,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5599 states to 5599 states and 7403 transitions. [2019-10-13 20:23:36,320 INFO L78 Accepts]: Start accepts. Automaton has 5599 states and 7403 transitions. Word has length 216 [2019-10-13 20:23:36,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:23:36,320 INFO L462 AbstractCegarLoop]: Abstraction has 5599 states and 7403 transitions. [2019-10-13 20:23:36,321 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:23:36,321 INFO L276 IsEmpty]: Start isEmpty. Operand 5599 states and 7403 transitions. [2019-10-13 20:23:36,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2019-10-13 20:23:36,332 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:23:36,332 INFO L380 BasicCegarLoop]: trace histogram [6, 6, 6, 5, 5, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 20:23:36,333 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:23:36,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:23:36,333 INFO L82 PathProgramCache]: Analyzing trace with hash -754541060, now seen corresponding path program 1 times [2019-10-13 20:23:36,333 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:23:36,334 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121901110] [2019-10-13 20:23:36,334 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:23:36,334 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:23:36,334 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:23:36,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:23:36,856 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2019-10-13 20:23:36,857 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121901110] [2019-10-13 20:23:36,857 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:23:36,857 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 20:23:36,858 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230327080] [2019-10-13 20:23:36,859 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-13 20:23:36,859 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:23:36,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-13 20:23:36,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 20:23:36,860 INFO L87 Difference]: Start difference. First operand 5599 states and 7403 transitions. Second operand 4 states.