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-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 20:57:17,473 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 20:57:17,476 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 20:57:17,493 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 20:57:17,494 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 20:57:17,496 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 20:57:17,497 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 20:57:17,502 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 20:57:17,503 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 20:57:17,504 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 20:57:17,505 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 20:57:17,509 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 20:57:17,509 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 20:57:17,512 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 20:57:17,515 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 20:57:17,517 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 20:57:17,518 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 20:57:17,521 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 20:57:17,523 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 20:57:17,525 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 20:57:17,526 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 20:57:17,527 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 20:57:17,528 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 20:57:17,529 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 20:57:17,531 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 20:57:17,531 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 20:57:17,531 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 20:57:17,532 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 20:57:17,533 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 20:57:17,534 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 20:57:17,534 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 20:57:17,535 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 20:57:17,535 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 20:57:17,536 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 20:57:17,537 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 20:57:17,537 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 20:57:17,538 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 20:57:17,538 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 20:57:17,538 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 20:57:17,539 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 20:57:17,539 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 20:57:17,540 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 20:57:17,554 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 20:57:17,554 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 20:57:17,555 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 20:57:17,556 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 20:57:17,556 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 20:57:17,556 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 20:57:17,556 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 20:57:17,557 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 20:57:17,557 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 20:57:17,557 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 20:57:17,557 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 20:57:17,557 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 20:57:17,558 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 20:57:17,558 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 20:57:17,558 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 20:57:17,558 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 20:57:17,558 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 20:57:17,559 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 20:57:17,559 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 20:57:17,559 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 20:57:17,559 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 20:57:17,559 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 20:57:17,560 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 20:57:17,560 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 20:57:17,560 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 20:57:17,560 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 20:57:17,561 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 20:57:17,561 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 20:57:17,561 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 20:57:17,823 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 20:57:17,835 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 20:57:17,839 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 20:57:17,840 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 20:57:17,841 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 20:57:17,841 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko-entry_point.cil.out.i [2019-10-13 20:57:17,900 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b7c1c2c3/2eb8057f12844a5986925d4ea7ed42fa/FLAG4e3d6649a [2019-10-13 20:57:18,732 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 20:57:18,734 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko-entry_point.cil.out.i [2019-10-13 20:57:18,782 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b7c1c2c3/2eb8057f12844a5986925d4ea7ed42fa/FLAG4e3d6649a [2019-10-13 20:57:19,239 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b7c1c2c3/2eb8057f12844a5986925d4ea7ed42fa [2019-10-13 20:57:19,249 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 20:57:19,251 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 20:57:19,251 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 20:57:19,252 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 20:57:19,254 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 20:57:19,255 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:57:19" (1/1) ... [2019-10-13 20:57:19,258 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ea4de29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:57:19, skipping insertion in model container [2019-10-13 20:57:19,258 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 08:57:19" (1/1) ... [2019-10-13 20:57:19,266 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 20:57:19,450 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 20:57:21,832 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 20:57:21,933 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 20:57:22,389 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 20:57:22,611 INFO L192 MainTranslator]: Completed translation [2019-10-13 20:57:22,611 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:57:22 WrapperNode [2019-10-13 20:57:22,611 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 20:57:22,612 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 20:57:22,612 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 20:57:22,612 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 20:57:22,626 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:57:22" (1/1) ... [2019-10-13 20:57:22,627 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:57:22" (1/1) ... [2019-10-13 20:57:22,693 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:57:22" (1/1) ... [2019-10-13 20:57:22,697 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:57:22" (1/1) ... [2019-10-13 20:57:22,825 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:57:22" (1/1) ... [2019-10-13 20:57:22,847 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:57:22" (1/1) ... [2019-10-13 20:57:22,956 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:57:22" (1/1) ... [2019-10-13 20:57:22,993 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 20:57:22,993 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 20:57:22,993 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 20:57:22,994 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 20:57:22,995 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:57:22" (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 20:57:23,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 20:57:23,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 20:57:23,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2019-10-13 20:57:23,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2019-10-13 20:57:23,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~$Pointer$ [2019-10-13 20:57:23,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~u8~0~X~~u8~0~TO~$Pointer$ [2019-10-13 20:57:23,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~u8~0~TO~$Pointer$ [2019-10-13 20:57:23,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2019-10-13 20:57:23,101 INFO L138 BoogieDeclarations]: Found implementation of procedure __le16_to_cpup [2019-10-13 20:57:23,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-13 20:57:23,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-13 20:57:23,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-10-13 20:57:23,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-10-13 20:57:23,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-13 20:57:23,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-13 20:57:23,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-13 20:57:23,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-13 20:57:23,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2019-10-13 20:57:23,114 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-13 20:57:23,115 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-13 20:57:23,115 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-10-13 20:57:23,116 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-13 20:57:23,116 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2019-10-13 20:57:23,116 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2019-10-13 20:57:23,116 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2019-10-13 20:57:23,116 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2019-10-13 20:57:23,117 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2019-10-13 20:57:23,117 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_adapdata [2019-10-13 20:57:23,117 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_set_adapdata [2019-10-13 20:57:23,117 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_zalloc_coherent [2019-10-13 20:57:23,117 INFO L138 BoogieDeclarations]: Found implementation of procedure tda1004x_writereg [2019-10-13 20:57:23,118 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_zalloc_consistent [2019-10-13 20:57:23,118 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2019-10-13 20:57:23,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_cmd [2019-10-13 20:57:23,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_result [2019-10-13 20:57:23,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_i2c_msg [2019-10-13 20:57:23,119 INFO L138 BoogieDeclarations]: Found implementation of procedure master_xfer [2019-10-13 20:57:23,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_boot_dsp [2019-10-13 20:57:23,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_set_channel [2019-10-13 20:57:23,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_del_channel [2019-10-13 20:57:23,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_init_controller [2019-10-13 20:57:23,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_update_lnb [2019-10-13 20:57:23,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_set_voltage [2019-10-13 20:57:23,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_process_muxpack [2019-10-13 20:57:23,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_process_frame [2019-10-13 20:57:23,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_iso_irq [2019-10-13 20:57:23,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_free_iso_urbs [2019-10-13 20:57:23,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_alloc_iso_urbs [2019-10-13 20:57:23,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_stop_iso_xfer [2019-10-13 20:57:23,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_start_iso_xfer [2019-10-13 20:57:23,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_start_feed [2019-10-13 20:57:23,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_stop_feed [2019-10-13 20:57:23,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_setup_interfaces [2019-10-13 20:57:23,123 INFO L138 BoogieDeclarations]: Found implementation of procedure functionality [2019-10-13 20:57:23,123 INFO L138 BoogieDeclarations]: Found implementation of procedure alps_tdmb7_tuner_set_params [2019-10-13 20:57:23,124 INFO L138 BoogieDeclarations]: Found implementation of procedure philips_tdm1316l_tuner_init [2019-10-13 20:57:23,124 INFO L138 BoogieDeclarations]: Found implementation of procedure philips_tdm1316l_tuner_set_params [2019-10-13 20:57:23,125 INFO L138 BoogieDeclarations]: Found implementation of procedure philips_tdm1316l_request_firmware [2019-10-13 20:57:23,125 INFO L138 BoogieDeclarations]: Found implementation of procedure alps_stv0299_set_symbol_rate [2019-10-13 20:57:23,125 INFO L138 BoogieDeclarations]: Found implementation of procedure philips_tsa5059_tuner_set_params [2019-10-13 20:57:23,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_novas_grundig_29504_491_tuner_set_params [2019-10-13 20:57:23,126 INFO L138 BoogieDeclarations]: Found implementation of procedure alps_tdbe2_tuner_set_params [2019-10-13 20:57:23,126 INFO L138 BoogieDeclarations]: Found implementation of procedure read_pwm [2019-10-13 20:57:23,127 INFO L138 BoogieDeclarations]: Found implementation of procedure dvbc_philips_tdm1316l_tuner_set_params [2019-10-13 20:57:23,127 INFO L138 BoogieDeclarations]: Found implementation of procedure frontend_init [2019-10-13 20:57:23,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_probe [2019-10-13 20:57:23,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_disconnect [2019-10-13 20:57:23,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_driver_init [2019-10-13 20:57:23,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ttusb_driver_exit [2019-10-13 20:57:23,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2019-10-13 20:57:23,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_i2c_algorithm_2 [2019-10-13 20:57:23,128 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 20:57:23,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2019-10-13 20:57:23,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_6 [2019-10-13 20:57:23,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_7 [2019-10-13 20:57:23,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_8 [2019-10-13 20:57:23,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_9 [2019-10-13 20:57:23,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_10 [2019-10-13 20:57:23,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_11 [2019-10-13 20:57:23,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_12 [2019-10-13 20:57:23,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_13 [2019-10-13 20:57:23,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_14 [2019-10-13 20:57:23,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_15 [2019-10-13 20:57:23,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_16 [2019-10-13 20:57:23,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_17 [2019-10-13 20:57:23,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_18 [2019-10-13 20:57:23,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_19 [2019-10-13 20:57:23,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_20 [2019-10-13 20:57:23,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_21 [2019-10-13 20:57:23,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_22 [2019-10-13 20:57:23,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_23 [2019-10-13 20:57:23,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_24 [2019-10-13 20:57:23,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-13 20:57:23,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2019-10-13 20:57:23,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-13 20:57:23,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-13 20:57:23,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-13 20:57:23,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-13 20:57:23,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_i_mutex_of_inode [2019-10-13 20:57:23,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_i_mutex_of_inode [2019-10-13 20:57:23,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_i_mutex_of_inode [2019-10-13 20:57:23,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_i_mutex_of_inode [2019-10-13 20:57:23,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2019-10-13 20:57:23,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_i_mutex_of_inode [2019-10-13 20:57:23,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_i_mutex_of_inode [2019-10-13 20:57:23,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_i_mutex_of_inode [2019-10-13 20:57:23,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_i_mutex_of_inode [2019-10-13 20:57:23,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_i_mutex_of_inode [2019-10-13 20:57:23,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_i_mutex_of_inode [2019-10-13 20:57:23,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2019-10-13 20:57:23,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2019-10-13 20:57:23,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2019-10-13 20:57:23,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2019-10-13 20:57:23,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-13 20:57:23,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2019-10-13 20:57:23,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2019-10-13 20:57:23,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_lock [2019-10-13 20:57:23,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_lock [2019-10-13 20:57:23,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_lock [2019-10-13 20:57:23,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_lock [2019-10-13 20:57:23,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-13 20:57:23,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-13 20:57:23,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2019-10-13 20:57:23,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2019-10-13 20:57:23,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-13 20:57:23,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-13 20:57:23,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2019-10-13 20:57:23,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_mutex_of_device [2019-10-13 20:57:23,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_mutex_of_device [2019-10-13 20:57:23,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2019-10-13 20:57:23,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_mutex_of_device [2019-10-13 20:57:23,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_semi2c_of_ttusb [2019-10-13 20:57:23,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_semi2c_of_ttusb [2019-10-13 20:57:23,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_semi2c_of_ttusb [2019-10-13 20:57:23,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_semi2c_of_ttusb [2019-10-13 20:57:23,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_semi2c_of_ttusb [2019-10-13 20:57:23,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_semi2c_of_ttusb [2019-10-13 20:57:23,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_semi2c_of_ttusb [2019-10-13 20:57:23,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_semi2c_of_ttusb [2019-10-13 20:57:23,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_semi2c_of_ttusb [2019-10-13 20:57:23,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_semi2c_of_ttusb [2019-10-13 20:57:23,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_semi2c_of_ttusb [2019-10-13 20:57:23,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_semusb_of_ttusb [2019-10-13 20:57:23,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_semusb_of_ttusb [2019-10-13 20:57:23,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_semusb_of_ttusb [2019-10-13 20:57:23,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_semusb_of_ttusb [2019-10-13 20:57:23,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_semusb_of_ttusb [2019-10-13 20:57:23,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_semusb_of_ttusb [2019-10-13 20:57:23,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_semusb_of_ttusb [2019-10-13 20:57:23,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_semusb_of_ttusb [2019-10-13 20:57:23,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_semusb_of_ttusb [2019-10-13 20:57:23,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_semusb_of_ttusb [2019-10-13 20:57:23,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_semusb_of_ttusb [2019-10-13 20:57:23,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-13 20:57:23,165 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2019-10-13 20:57:23,165 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_module [2019-10-13 20:57:23,165 INFO L138 BoogieDeclarations]: Found implementation of procedure __symbol_get [2019-10-13 20:57:23,165 INFO L138 BoogieDeclarations]: Found implementation of procedure __symbol_put [2019-10-13 20:57:23,166 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2019-10-13 20:57:23,166 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2019-10-13 20:57:23,166 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmx_init [2019-10-13 20:57:23,167 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmx_release [2019-10-13 20:57:23,167 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmx_swfilter_packets [2019-10-13 20:57:23,168 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmxdev_init [2019-10-13 20:57:23,168 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_dmxdev_release [2019-10-13 20:57:23,168 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_frontend_detach [2019-10-13 20:57:23,168 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_net_init [2019-10-13 20:57:23,168 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_net_release [2019-10-13 20:57:23,169 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_register_adapter [2019-10-13 20:57:23,169 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_register_frontend [2019-10-13 20:57:23,169 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_unregister_adapter [2019-10-13 20:57:23,169 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_unregister_frontend [2019-10-13 20:57:23,170 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_add_adapter [2019-10-13 20:57:23,170 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_del_adapter [2019-10-13 20:57:23,170 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_transfer [2019-10-13 20:57:23,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-13 20:57:23,170 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2019-10-13 20:57:23,171 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-10-13 20:57:23,171 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2019-10-13 20:57:23,171 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2019-10-13 20:57:23,171 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-13 20:57:23,171 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-13 20:57:23,172 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2019-10-13 20:57:23,172 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2019-10-13 20:57:23,172 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_alloc_urb [2019-10-13 20:57:23,172 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2019-10-13 20:57:23,172 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2019-10-13 20:57:23,173 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_free_urb [2019-10-13 20:57:23,173 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2019-10-13 20:57:23,173 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2019-10-13 20:57:23,173 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2019-10-13 20:57:23,174 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2019-10-13 20:57:23,174 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-13 20:57:23,174 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-13 20:57:23,175 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-13 20:57:23,175 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-13 20:57:23,175 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-13 20:57:23,175 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2019-10-13 20:57:23,175 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 20:57:23,176 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2019-10-13 20:57:23,176 INFO L130 BoogieDeclarations]: Found specification of procedure __le16_to_cpup [2019-10-13 20:57:23,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 20:57:23,176 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-13 20:57:23,176 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-13 20:57:23,177 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-13 20:57:23,177 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2019-10-13 20:57:23,177 INFO L130 BoogieDeclarations]: Found specification of procedure strcpy [2019-10-13 20:57:23,177 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2019-10-13 20:57:23,177 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2019-10-13 20:57:23,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_10 [2019-10-13 20:57:23,178 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-13 20:57:23,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2019-10-13 20:57:23,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_8 [2019-10-13 20:57:23,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_11 [2019-10-13 20:57:23,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_13 [2019-10-13 20:57:23,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_14 [2019-10-13 20:57:23,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_15 [2019-10-13 20:57:23,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_16 [2019-10-13 20:57:23,180 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_17 [2019-10-13 20:57:23,180 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_19 [2019-10-13 20:57:23,180 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_21 [2019-10-13 20:57:23,180 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_22 [2019-10-13 20:57:23,180 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 20:57:23,181 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-13 20:57:23,181 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 20:57:23,181 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-13 20:57:23,181 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-13 20:57:23,181 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-13 20:57:23,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-13 20:57:23,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 20:57:23,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-13 20:57:23,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-13 20:57:23,183 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-10-13 20:57:23,183 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-10-13 20:57:23,183 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-13 20:57:23,183 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-13 20:57:23,183 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-13 20:57:23,184 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-13 20:57:23,184 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-13 20:57:23,184 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2019-10-13 20:57:23,184 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_12 [2019-10-13 20:57:23,185 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_18 [2019-10-13 20:57:23,185 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-10-13 20:57:23,185 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_6 [2019-10-13 20:57:23,185 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_7 [2019-10-13 20:57:23,185 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_9 [2019-10-13 20:57:23,186 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_20 [2019-10-13 20:57:23,186 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_i_mutex_of_inode [2019-10-13 20:57:23,186 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_i_mutex_of_inode [2019-10-13 20:57:23,186 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2019-10-13 20:57:23,187 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2019-10-13 20:57:23,187 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2019-10-13 20:57:23,187 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2019-10-13 20:57:23,187 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2019-10-13 20:57:23,187 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_semi2c_of_ttusb [2019-10-13 20:57:23,187 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_semi2c_of_ttusb [2019-10-13 20:57:23,188 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_semi2c_of_ttusb [2019-10-13 20:57:23,188 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_semusb_of_ttusb [2019-10-13 20:57:23,188 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_semusb_of_ttusb [2019-10-13 20:57:23,188 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-13 20:57:23,188 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-13 20:57:23,189 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-13 20:57:23,189 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-10-13 20:57:23,190 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2019-10-13 20:57:23,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_i2c_algorithm_2 [2019-10-13 20:57:23,194 INFO L130 BoogieDeclarations]: Found specification of procedure __request_module [2019-10-13 20:57:23,195 INFO L130 BoogieDeclarations]: Found specification of procedure __symbol_get [2019-10-13 20:57:23,195 INFO L130 BoogieDeclarations]: Found specification of procedure __symbol_put [2019-10-13 20:57:23,195 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2019-10-13 20:57:23,195 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-13 20:57:23,195 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 20:57:23,196 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2019-10-13 20:57:23,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 20:57:23,196 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2019-10-13 20:57:23,196 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2019-10-13 20:57:23,196 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2019-10-13 20:57:23,196 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2019-10-13 20:57:23,196 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_23 [2019-10-13 20:57:23,197 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2019-10-13 20:57:23,197 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_24 [2019-10-13 20:57:23,197 INFO L130 BoogieDeclarations]: Found specification of procedure usb_alloc_urb [2019-10-13 20:57:23,197 INFO L130 BoogieDeclarations]: Found specification of procedure usb_free_urb [2019-10-13 20:57:23,197 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2019-10-13 20:57:23,197 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2019-10-13 20:57:23,198 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2019-10-13 20:57:23,198 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2019-10-13 20:57:23,198 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2019-10-13 20:57:23,198 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2019-10-13 20:57:23,198 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2019-10-13 20:57:23,198 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_transfer [2019-10-13 20:57:23,199 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_adapdata [2019-10-13 20:57:23,199 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_set_adapdata [2019-10-13 20:57:23,199 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_add_adapter [2019-10-13 20:57:23,199 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_del_adapter [2019-10-13 20:57:23,199 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_register_adapter [2019-10-13 20:57:23,200 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_unregister_adapter [2019-10-13 20:57:23,200 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_register_frontend [2019-10-13 20:57:23,200 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_unregister_frontend [2019-10-13 20:57:23,200 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_frontend_detach [2019-10-13 20:57:23,200 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmxdev_init [2019-10-13 20:57:23,201 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmxdev_release [2019-10-13 20:57:23,201 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmx_init [2019-10-13 20:57:23,201 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmx_release [2019-10-13 20:57:23,201 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_dmx_swfilter_packets [2019-10-13 20:57:23,201 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2019-10-13 20:57:23,202 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2019-10-13 20:57:23,202 INFO L130 BoogieDeclarations]: Found specification of procedure dma_zalloc_coherent [2019-10-13 20:57:23,202 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_net_release [2019-10-13 20:57:23,202 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_net_init [2019-10-13 20:57:23,202 INFO L130 BoogieDeclarations]: Found specification of procedure tda1004x_writereg [2019-10-13 20:57:23,203 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 20:57:23,203 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2019-10-13 20:57:23,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 20:57:23,203 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 20:57:23,203 INFO L130 BoogieDeclarations]: Found specification of procedure pci_zalloc_consistent [2019-10-13 20:57:23,204 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2019-10-13 20:57:23,204 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_cmd [2019-10-13 20:57:23,204 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_result [2019-10-13 20:57:23,204 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-13 20:57:23,204 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_i2c_msg [2019-10-13 20:57:23,205 INFO L130 BoogieDeclarations]: Found specification of procedure master_xfer [2019-10-13 20:57:23,205 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_boot_dsp [2019-10-13 20:57:23,205 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_set_channel [2019-10-13 20:57:23,205 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_del_channel [2019-10-13 20:57:23,206 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_init_controller [2019-10-13 20:57:23,206 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_update_lnb [2019-10-13 20:57:23,206 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_set_voltage [2019-10-13 20:57:23,206 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_process_muxpack [2019-10-13 20:57:23,206 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_process_frame [2019-10-13 20:57:23,207 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_iso_irq [2019-10-13 20:57:23,207 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_free_iso_urbs [2019-10-13 20:57:23,207 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_alloc_iso_urbs [2019-10-13 20:57:23,207 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_stop_iso_xfer [2019-10-13 20:57:23,207 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_start_iso_xfer [2019-10-13 20:57:23,208 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_start_feed [2019-10-13 20:57:23,208 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_stop_feed [2019-10-13 20:57:23,208 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_setup_interfaces [2019-10-13 20:57:23,208 INFO L130 BoogieDeclarations]: Found specification of procedure functionality [2019-10-13 20:57:23,208 INFO L130 BoogieDeclarations]: Found specification of procedure alps_tdmb7_tuner_set_params [2019-10-13 20:57:23,209 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2019-10-13 20:57:23,209 INFO L130 BoogieDeclarations]: Found specification of procedure philips_tdm1316l_tuner_init [2019-10-13 20:57:23,209 INFO L130 BoogieDeclarations]: Found specification of procedure philips_tdm1316l_tuner_set_params [2019-10-13 20:57:23,209 INFO L130 BoogieDeclarations]: Found specification of procedure philips_tdm1316l_request_firmware [2019-10-13 20:57:23,210 INFO L130 BoogieDeclarations]: Found specification of procedure alps_stv0299_set_symbol_rate [2019-10-13 20:57:23,210 INFO L130 BoogieDeclarations]: Found specification of procedure philips_tsa5059_tuner_set_params [2019-10-13 20:57:23,210 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_novas_grundig_29504_491_tuner_set_params [2019-10-13 20:57:23,210 INFO L130 BoogieDeclarations]: Found specification of procedure alps_tdbe2_tuner_set_params [2019-10-13 20:57:23,210 INFO L130 BoogieDeclarations]: Found specification of procedure read_pwm [2019-10-13 20:57:23,210 INFO L130 BoogieDeclarations]: Found specification of procedure dvbc_philips_tdm1316l_tuner_set_params [2019-10-13 20:57:23,211 INFO L130 BoogieDeclarations]: Found specification of procedure frontend_init [2019-10-13 20:57:23,211 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~$Pointer$ [2019-10-13 20:57:23,211 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~u8~0~X~~u8~0~TO~$Pointer$ [2019-10-13 20:57:23,211 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~u8~0~TO~$Pointer$ [2019-10-13 20:57:23,211 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_probe [2019-10-13 20:57:23,211 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2019-10-13 20:57:23,212 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_disconnect [2019-10-13 20:57:23,212 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2019-10-13 20:57:23,212 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_driver_init [2019-10-13 20:57:23,212 INFO L130 BoogieDeclarations]: Found specification of procedure ttusb_driver_exit [2019-10-13 20:57:23,212 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-13 20:57:23,213 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-13 20:57:23,213 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 20:57:23,213 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-13 20:57:23,213 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2019-10-13 20:57:23,213 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-13 20:57:23,213 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-13 20:57:23,214 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-13 20:57:23,214 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-13 20:57:23,214 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_i_mutex_of_inode [2019-10-13 20:57:23,214 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_i_mutex_of_inode [2019-10-13 20:57:23,214 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_i_mutex_of_inode [2019-10-13 20:57:23,214 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2019-10-13 20:57:23,215 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_i_mutex_of_inode [2019-10-13 20:57:23,215 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_i_mutex_of_inode [2019-10-13 20:57:23,215 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_i_mutex_of_inode [2019-10-13 20:57:23,215 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_i_mutex_of_inode [2019-10-13 20:57:23,215 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_i_mutex_of_inode [2019-10-13 20:57:23,216 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2019-10-13 20:57:23,216 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2019-10-13 20:57:23,216 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2019-10-13 20:57:23,216 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-13 20:57:23,217 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2019-10-13 20:57:23,217 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_lock [2019-10-13 20:57:23,217 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_lock [2019-10-13 20:57:23,217 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_lock [2019-10-13 20:57:23,217 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_lock [2019-10-13 20:57:23,217 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-13 20:57:23,218 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-13 20:57:23,218 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-13 20:57:23,218 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-13 20:57:23,218 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_mutex_of_device [2019-10-13 20:57:23,218 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_mutex_of_device [2019-10-13 20:57:23,219 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2019-10-13 20:57:23,219 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_mutex_of_device [2019-10-13 20:57:23,219 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_semi2c_of_ttusb [2019-10-13 20:57:23,219 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_semi2c_of_ttusb [2019-10-13 20:57:23,219 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_semi2c_of_ttusb [2019-10-13 20:57:23,219 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_semi2c_of_ttusb [2019-10-13 20:57:23,219 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_semi2c_of_ttusb [2019-10-13 20:57:23,220 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_semi2c_of_ttusb [2019-10-13 20:57:23,220 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_semi2c_of_ttusb [2019-10-13 20:57:23,220 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_semi2c_of_ttusb [2019-10-13 20:57:23,220 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_semusb_of_ttusb [2019-10-13 20:57:23,220 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_semusb_of_ttusb [2019-10-13 20:57:23,220 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_semusb_of_ttusb [2019-10-13 20:57:23,221 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_semusb_of_ttusb [2019-10-13 20:57:23,221 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_semusb_of_ttusb [2019-10-13 20:57:23,221 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_semusb_of_ttusb [2019-10-13 20:57:23,221 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_semusb_of_ttusb [2019-10-13 20:57:23,221 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_semusb_of_ttusb [2019-10-13 20:57:23,221 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_semusb_of_ttusb [2019-10-13 20:57:23,221 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-13 20:57:23,221 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 20:57:23,222 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 20:57:23,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 20:57:23,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-13 20:57:23,222 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 20:57:23,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-13 20:57:23,223 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-13 20:57:23,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-13 20:57:23,223 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-13 20:57:24,905 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-13 20:57:37,849 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 20:57:37,849 INFO L284 CfgBuilder]: Removed 2 assume(true) statements. [2019-10-13 20:57:37,851 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:57:37 BoogieIcfgContainer [2019-10-13 20:57:37,852 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 20:57:37,853 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 20:57:37,853 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 20:57:37,857 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 20:57:37,857 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 08:57:19" (1/3) ... [2019-10-13 20:57:37,858 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e1c97cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:57:37, skipping insertion in model container [2019-10-13 20:57:37,858 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 08:57:22" (2/3) ... [2019-10-13 20:57:37,859 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e1c97cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 08:57:37, skipping insertion in model container [2019-10-13 20:57:37,859 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 08:57:37" (3/3) ... [2019-10-13 20:57:37,863 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--media--usb--ttusb-budget--dvb-ttusb-budget.ko-entry_point.cil.out.i [2019-10-13 20:57:37,874 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 20:57:37,887 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 20:57:37,899 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 20:57:37,936 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 20:57:37,937 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 20:57:37,937 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 20:57:37,937 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 20:57:37,937 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 20:57:37,937 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 20:57:37,937 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 20:57:37,937 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 20:57:38,003 INFO L276 IsEmpty]: Start isEmpty. Operand 1460 states. [2019-10-13 20:57:38,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2019-10-13 20:57:38,016 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:57:38,017 INFO L380 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:57:38,019 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:57:38,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:57:38,024 INFO L82 PathProgramCache]: Analyzing trace with hash -146112262, now seen corresponding path program 1 times [2019-10-13 20:57:38,031 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:57:38,032 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537846338] [2019-10-13 20:57:38,032 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:57:38,032 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:57:38,032 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:57:38,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:57:39,059 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2019-10-13 20:57:39,059 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537846338] [2019-10-13 20:57:39,060 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:57:39,060 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:57:39,061 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569126891] [2019-10-13 20:57:39,066 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:57:39,068 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:57:39,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:57:39,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:57:39,086 INFO L87 Difference]: Start difference. First operand 1460 states. Second operand 3 states. [2019-10-13 20:57:41,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:57:41,745 INFO L93 Difference]: Finished difference Result 3258 states and 4507 transitions. [2019-10-13 20:57:41,746 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:57:41,747 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 126 [2019-10-13 20:57:41,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:57:41,791 INFO L225 Difference]: With dead ends: 3258 [2019-10-13 20:57:41,791 INFO L226 Difference]: Without dead ends: 2140 [2019-10-13 20:57:41,807 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 20:57:41,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2140 states. [2019-10-13 20:57:42,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2140 to 2133. [2019-10-13 20:57:42,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2133 states. [2019-10-13 20:57:42,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2133 states to 2133 states and 2821 transitions. [2019-10-13 20:57:42,098 INFO L78 Accepts]: Start accepts. Automaton has 2133 states and 2821 transitions. Word has length 126 [2019-10-13 20:57:42,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:57:42,100 INFO L462 AbstractCegarLoop]: Abstraction has 2133 states and 2821 transitions. [2019-10-13 20:57:42,100 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:57:42,100 INFO L276 IsEmpty]: Start isEmpty. Operand 2133 states and 2821 transitions. [2019-10-13 20:57:42,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2019-10-13 20:57:42,113 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:57:42,114 INFO L380 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:57:42,114 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:57:42,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:57:42,114 INFO L82 PathProgramCache]: Analyzing trace with hash 996268463, now seen corresponding path program 1 times [2019-10-13 20:57:42,115 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:57:42,115 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467501714] [2019-10-13 20:57:42,115 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:57:42,115 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:57:42,115 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:57:42,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:57:42,518 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2019-10-13 20:57:42,518 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467501714] [2019-10-13 20:57:42,518 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:57:42,518 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:57:42,519 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739980364] [2019-10-13 20:57:42,521 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:57:42,521 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:57:42,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:57:42,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:57:42,522 INFO L87 Difference]: Start difference. First operand 2133 states and 2821 transitions. Second operand 3 states. [2019-10-13 20:57:42,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:57:42,927 INFO L93 Difference]: Finished difference Result 6301 states and 8335 transitions. [2019-10-13 20:57:42,927 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:57:42,928 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 135 [2019-10-13 20:57:43,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:57:43,090 INFO L225 Difference]: With dead ends: 6301 [2019-10-13 20:57:43,090 INFO L226 Difference]: Without dead ends: 4200 [2019-10-13 20:57:43,097 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 20:57:43,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4200 states. [2019-10-13 20:57:43,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4200 to 4169. [2019-10-13 20:57:43,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4169 states. [2019-10-13 20:57:43,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4169 states to 4169 states and 5519 transitions. [2019-10-13 20:57:43,280 INFO L78 Accepts]: Start accepts. Automaton has 4169 states and 5519 transitions. Word has length 135 [2019-10-13 20:57:43,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:57:43,282 INFO L462 AbstractCegarLoop]: Abstraction has 4169 states and 5519 transitions. [2019-10-13 20:57:43,282 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:57:43,282 INFO L276 IsEmpty]: Start isEmpty. Operand 4169 states and 5519 transitions. [2019-10-13 20:57:43,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2019-10-13 20:57:43,288 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:57:43,289 INFO L380 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:57:43,289 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:57:43,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:57:43,290 INFO L82 PathProgramCache]: Analyzing trace with hash 185309670, now seen corresponding path program 1 times [2019-10-13 20:57:43,290 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:57:43,290 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623254499] [2019-10-13 20:57:43,290 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:57:43,290 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:57:43,290 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:57:43,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:57:43,762 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2019-10-13 20:57:43,762 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623254499] [2019-10-13 20:57:43,762 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:57:43,763 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:57:43,763 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323364935] [2019-10-13 20:57:43,763 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:57:43,764 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:57:43,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:57:43,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:57:43,764 INFO L87 Difference]: Start difference. First operand 4169 states and 5519 transitions. Second operand 3 states. [2019-10-13 20:57:44,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:57:44,299 INFO L93 Difference]: Finished difference Result 12326 states and 16307 transitions. [2019-10-13 20:57:44,299 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:57:44,299 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2019-10-13 20:57:44,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:57:44,352 INFO L225 Difference]: With dead ends: 12326 [2019-10-13 20:57:44,352 INFO L226 Difference]: Without dead ends: 8197 [2019-10-13 20:57:44,371 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 20:57:44,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8197 states. [2019-10-13 20:57:44,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8197 to 8151. [2019-10-13 20:57:44,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8151 states. [2019-10-13 20:57:44,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8151 states to 8151 states and 10783 transitions. [2019-10-13 20:57:44,706 INFO L78 Accepts]: Start accepts. Automaton has 8151 states and 10783 transitions. Word has length 142 [2019-10-13 20:57:44,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:57:44,707 INFO L462 AbstractCegarLoop]: Abstraction has 8151 states and 10783 transitions. [2019-10-13 20:57:44,707 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:57:44,707 INFO L276 IsEmpty]: Start isEmpty. Operand 8151 states and 10783 transitions. [2019-10-13 20:57:44,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2019-10-13 20:57:44,710 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:57:44,711 INFO L380 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:57:44,711 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:57:44,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:57:44,711 INFO L82 PathProgramCache]: Analyzing trace with hash -439896875, now seen corresponding path program 1 times [2019-10-13 20:57:44,712 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:57:44,713 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26960696] [2019-10-13 20:57:44,713 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:57:44,713 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:57:44,713 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:57:44,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:57:45,179 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2019-10-13 20:57:45,179 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [26960696] [2019-10-13 20:57:45,180 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:57:45,180 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:57:45,180 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605856258] [2019-10-13 20:57:45,181 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:57:45,181 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:57:45,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:57:45,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:57:45,182 INFO L87 Difference]: Start difference. First operand 8151 states and 10783 transitions. Second operand 3 states. [2019-10-13 20:57:45,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:57:45,385 INFO L93 Difference]: Finished difference Result 8153 states and 10784 transitions. [2019-10-13 20:57:45,385 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:57:45,385 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 146 [2019-10-13 20:57:45,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:57:45,437 INFO L225 Difference]: With dead ends: 8153 [2019-10-13 20:57:45,437 INFO L226 Difference]: Without dead ends: 8150 [2019-10-13 20:57:45,444 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 20:57:45,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8150 states. [2019-10-13 20:57:45,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8150 to 8150. [2019-10-13 20:57:45,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8150 states. [2019-10-13 20:57:45,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8150 states to 8150 states and 10781 transitions. [2019-10-13 20:57:45,972 INFO L78 Accepts]: Start accepts. Automaton has 8150 states and 10781 transitions. Word has length 146 [2019-10-13 20:57:45,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:57:45,974 INFO L462 AbstractCegarLoop]: Abstraction has 8150 states and 10781 transitions. [2019-10-13 20:57:45,974 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:57:45,974 INFO L276 IsEmpty]: Start isEmpty. Operand 8150 states and 10781 transitions. [2019-10-13 20:57:45,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2019-10-13 20:57:45,977 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:57:45,977 INFO L380 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:57:45,978 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:57:45,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:57:45,978 INFO L82 PathProgramCache]: Analyzing trace with hash -752431567, now seen corresponding path program 1 times [2019-10-13 20:57:45,978 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:57:45,978 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729208267] [2019-10-13 20:57:45,979 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:57:45,979 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:57:45,979 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:57:46,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:57:46,375 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2019-10-13 20:57:46,376 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729208267] [2019-10-13 20:57:46,376 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:57:46,376 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:57:46,376 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73213668] [2019-10-13 20:57:46,377 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:57:46,377 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:57:46,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:57:46,378 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:57:46,378 INFO L87 Difference]: Start difference. First operand 8150 states and 10781 transitions. Second operand 3 states. [2019-10-13 20:57:46,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:57:46,549 INFO L93 Difference]: Finished difference Result 8152 states and 10782 transitions. [2019-10-13 20:57:46,550 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:57:46,550 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 147 [2019-10-13 20:57:46,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:57:46,597 INFO L225 Difference]: With dead ends: 8152 [2019-10-13 20:57:46,597 INFO L226 Difference]: Without dead ends: 8149 [2019-10-13 20:57:46,603 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 20:57:46,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8149 states. [2019-10-13 20:57:46,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8149 to 8149. [2019-10-13 20:57:46,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8149 states. [2019-10-13 20:57:46,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8149 states to 8149 states and 10779 transitions. [2019-10-13 20:57:46,926 INFO L78 Accepts]: Start accepts. Automaton has 8149 states and 10779 transitions. Word has length 147 [2019-10-13 20:57:46,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:57:46,927 INFO L462 AbstractCegarLoop]: Abstraction has 8149 states and 10779 transitions. [2019-10-13 20:57:46,927 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:57:46,927 INFO L276 IsEmpty]: Start isEmpty. Operand 8149 states and 10779 transitions. [2019-10-13 20:57:46,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2019-10-13 20:57:46,929 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:57:46,930 INFO L380 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:57:46,930 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:57:46,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:57:46,930 INFO L82 PathProgramCache]: Analyzing trace with hash -1851067560, now seen corresponding path program 1 times [2019-10-13 20:57:46,930 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:57:46,931 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49425492] [2019-10-13 20:57:46,931 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:57:46,931 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:57:46,931 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:57:47,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:57:47,296 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2019-10-13 20:57:47,296 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49425492] [2019-10-13 20:57:47,296 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:57:47,296 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:57:47,297 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069162386] [2019-10-13 20:57:47,297 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:57:47,297 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:57:47,298 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:57:47,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:57:47,298 INFO L87 Difference]: Start difference. First operand 8149 states and 10779 transitions. Second operand 3 states. [2019-10-13 20:57:48,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:57:48,140 INFO L93 Difference]: Finished difference Result 8151 states and 10780 transitions. [2019-10-13 20:57:48,141 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:57:48,141 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 148 [2019-10-13 20:57:48,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:57:48,176 INFO L225 Difference]: With dead ends: 8151 [2019-10-13 20:57:48,177 INFO L226 Difference]: Without dead ends: 8148 [2019-10-13 20:57:48,181 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 20:57:48,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8148 states. [2019-10-13 20:57:48,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8148 to 8148. [2019-10-13 20:57:48,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8148 states. [2019-10-13 20:57:48,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8148 states to 8148 states and 10777 transitions. [2019-10-13 20:57:48,495 INFO L78 Accepts]: Start accepts. Automaton has 8148 states and 10777 transitions. Word has length 148 [2019-10-13 20:57:48,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:57:48,496 INFO L462 AbstractCegarLoop]: Abstraction has 8148 states and 10777 transitions. [2019-10-13 20:57:48,496 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:57:48,496 INFO L276 IsEmpty]: Start isEmpty. Operand 8148 states and 10777 transitions. [2019-10-13 20:57:48,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2019-10-13 20:57:48,499 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:57:48,499 INFO L380 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:57:48,499 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:57:48,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:57:48,500 INFO L82 PathProgramCache]: Analyzing trace with hash -567448306, now seen corresponding path program 1 times [2019-10-13 20:57:48,500 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:57:48,500 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797630088] [2019-10-13 20:57:48,500 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:57:48,501 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:57:48,501 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:57:48,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:57:48,799 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2019-10-13 20:57:48,800 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797630088] [2019-10-13 20:57:48,800 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:57:48,800 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:57:48,800 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765176779] [2019-10-13 20:57:48,801 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:57:48,801 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:57:48,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:57:48,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:57:48,801 INFO L87 Difference]: Start difference. First operand 8148 states and 10777 transitions. Second operand 3 states. [2019-10-13 20:57:49,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:57:49,468 INFO L93 Difference]: Finished difference Result 17814 states and 23540 transitions. [2019-10-13 20:57:49,468 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:57:49,468 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 150 [2019-10-13 20:57:49,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:57:49,519 INFO L225 Difference]: With dead ends: 17814 [2019-10-13 20:57:49,520 INFO L226 Difference]: Without dead ends: 9706 [2019-10-13 20:57:49,549 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 20:57:49,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9706 states. [2019-10-13 20:57:49,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9706 to 9644. [2019-10-13 20:57:49,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9644 states. [2019-10-13 20:57:49,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9644 states to 9644 states and 12731 transitions. [2019-10-13 20:57:49,940 INFO L78 Accepts]: Start accepts. Automaton has 9644 states and 12731 transitions. Word has length 150 [2019-10-13 20:57:49,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 20:57:49,942 INFO L462 AbstractCegarLoop]: Abstraction has 9644 states and 12731 transitions. [2019-10-13 20:57:49,942 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 20:57:49,942 INFO L276 IsEmpty]: Start isEmpty. Operand 9644 states and 12731 transitions. [2019-10-13 20:57:49,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2019-10-13 20:57:49,944 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 20:57:49,944 INFO L380 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:57:49,945 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 20:57:49,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 20:57:49,945 INFO L82 PathProgramCache]: Analyzing trace with hash -1549040108, now seen corresponding path program 1 times [2019-10-13 20:57:49,945 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 20:57:49,945 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193112336] [2019-10-13 20:57:49,946 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:57:49,946 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 20:57:49,946 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 20:57:50,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 20:57:50,616 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2019-10-13 20:57:50,616 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [193112336] [2019-10-13 20:57:50,617 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 20:57:50,617 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 20:57:50,617 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027623276] [2019-10-13 20:57:50,617 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 20:57:50,618 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 20:57:50,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 20:57:50,618 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 20:57:50,618 INFO L87 Difference]: Start difference. First operand 9644 states and 12731 transitions. Second operand 3 states. [2019-10-13 20:57:51,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 20:57:51,121 INFO L93 Difference]: Finished difference Result 25883 states and 34650 transitions. [2019-10-13 20:57:51,122 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 20:57:51,122 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 149 [2019-10-13 20:57:51,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 20:57:51,194 INFO L225 Difference]: With dead ends: 25883 [2019-10-13 20:57:51,195 INFO L226 Difference]: Without dead ends: 16283 [2019-10-13 20:57:51,235 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 20:57:51,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16283 states.