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 --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--media--usb--dvb-usb--dvb-usb-opera.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 22:48:05,779 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 22:48:05,782 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 22:48:05,800 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 22:48:05,801 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 22:48:05,803 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 22:48:05,804 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 22:48:05,813 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 22:48:05,818 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 22:48:05,819 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 22:48:05,820 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 22:48:05,821 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 22:48:05,821 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 22:48:05,822 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 22:48:05,823 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 22:48:05,824 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 22:48:05,824 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 22:48:05,825 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 22:48:05,826 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 22:48:05,828 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 22:48:05,829 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 22:48:05,830 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 22:48:05,831 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 22:48:05,832 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 22:48:05,834 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 22:48:05,834 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 22:48:05,834 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 22:48:05,835 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 22:48:05,835 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 22:48:05,836 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 22:48:05,836 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 22:48:05,837 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 22:48:05,838 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 22:48:05,838 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 22:48:05,839 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 22:48:05,839 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 22:48:05,840 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 22:48:05,840 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 22:48:05,840 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 22:48:05,841 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 22:48:05,842 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 22:48:05,843 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 22:48:05,856 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 22:48:05,856 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 22:48:05,857 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 22:48:05,857 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 22:48:05,858 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 22:48:05,858 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 22:48:05,858 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 22:48:05,858 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 22:48:05,858 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 22:48:05,859 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 22:48:05,859 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 22:48:05,859 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 22:48:05,859 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 22:48:05,859 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 22:48:05,860 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 22:48:05,860 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 22:48:05,860 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 22:48:05,860 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 22:48:05,860 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 22:48:05,861 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 22:48:05,861 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 22:48:05,861 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 22:48:05,861 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 22:48:05,861 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 22:48:05,862 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 22:48:05,862 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 22:48:05,862 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 22:48:05,862 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 22:48:05,862 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-13 22:48:06,145 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 22:48:06,159 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 22:48:06,162 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 22:48:06,163 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 22:48:06,164 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 22:48:06,164 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--media--usb--dvb-usb--dvb-usb-opera.ko-entry_point.cil.out.i [2019-10-13 22:48:06,225 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d982758fe/fa907b5ab71f4fffa40b9e5acbab70ff/FLAG1ca5dbdda [2019-10-13 22:48:07,026 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 22:48:07,028 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--media--usb--dvb-usb--dvb-usb-opera.ko-entry_point.cil.out.i [2019-10-13 22:48:07,069 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d982758fe/fa907b5ab71f4fffa40b9e5acbab70ff/FLAG1ca5dbdda [2019-10-13 22:48:07,558 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d982758fe/fa907b5ab71f4fffa40b9e5acbab70ff [2019-10-13 22:48:07,567 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 22:48:07,569 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 22:48:07,570 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 22:48:07,570 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 22:48:07,573 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 22:48:07,574 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:48:07" (1/1) ... [2019-10-13 22:48:07,577 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18b0091e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:48:07, skipping insertion in model container [2019-10-13 22:48:07,577 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:48:07" (1/1) ... [2019-10-13 22:48:07,585 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 22:48:07,754 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 22:48:09,469 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 22:48:09,531 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 22:48:09,903 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 22:48:10,262 INFO L192 MainTranslator]: Completed translation [2019-10-13 22:48:10,263 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:48:10 WrapperNode [2019-10-13 22:48:10,263 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 22:48:10,264 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 22:48:10,270 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 22:48:10,271 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 22:48:10,287 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:48:10" (1/1) ... [2019-10-13 22:48:10,287 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:48:10" (1/1) ... [2019-10-13 22:48:10,370 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:48:10" (1/1) ... [2019-10-13 22:48:10,371 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:48:10" (1/1) ... [2019-10-13 22:48:10,458 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:48:10" (1/1) ... [2019-10-13 22:48:10,484 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:48:10" (1/1) ... [2019-10-13 22:48:10,510 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:48:10" (1/1) ... [2019-10-13 22:48:10,535 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 22:48:10,535 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 22:48:10,536 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 22:48:10,536 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 22:48:10,537 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:48:10" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 22:48:10,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 22:48:10,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 22:48:10,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2019-10-13 22:48:10,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~$Pointer$ [2019-10-13 22:48:10,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~$Pointer$ [2019-10-13 22:48:10,596 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_guard [2019-10-13 22:48:10,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2019-10-13 22:48:10,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2019-10-13 22:48:10,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2019-10-13 22:48:10,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2019-10-13 22:48:10,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2019-10-13 22:48:10,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ptr [2019-10-13 22:48:10,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2019-10-13 22:48:10,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2019-10-13 22:48:10,597 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2019-10-13 22:48:10,597 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2019-10-13 22:48:10,598 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2019-10-13 22:48:10,598 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2019-10-13 22:48:10,598 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2019-10-13 22:48:10,598 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_adapdata [2019-10-13 22:48:10,599 INFO L138 BoogieDeclarations]: Found implementation of procedure rc5_scan [2019-10-13 22:48:10,599 INFO L138 BoogieDeclarations]: Found implementation of procedure stv0299_writereg [2019-10-13 22:48:10,599 INFO L138 BoogieDeclarations]: Found implementation of procedure opera1_xilinx_rw [2019-10-13 22:48:10,599 INFO L138 BoogieDeclarations]: Found implementation of procedure opera1_usb_i2c_msgxfer [2019-10-13 22:48:10,599 INFO L138 BoogieDeclarations]: Found implementation of procedure opera1_i2c_xfer [2019-10-13 22:48:10,599 INFO L138 BoogieDeclarations]: Found implementation of procedure opera1_i2c_func [2019-10-13 22:48:10,600 INFO L138 BoogieDeclarations]: Found implementation of procedure opera1_set_voltage [2019-10-13 22:48:10,600 INFO L138 BoogieDeclarations]: Found implementation of procedure opera1_stv0299_set_symbol_rate [2019-10-13 22:48:10,600 INFO L138 BoogieDeclarations]: Found implementation of procedure opera1_frontend_attach [2019-10-13 22:48:10,600 INFO L138 BoogieDeclarations]: Found implementation of procedure opera1_tuner_attach [2019-10-13 22:48:10,600 INFO L138 BoogieDeclarations]: Found implementation of procedure opera1_power_ctrl [2019-10-13 22:48:10,600 INFO L138 BoogieDeclarations]: Found implementation of procedure opera1_streaming_ctrl [2019-10-13 22:48:10,600 INFO L138 BoogieDeclarations]: Found implementation of procedure opera1_pid_filter [2019-10-13 22:48:10,601 INFO L138 BoogieDeclarations]: Found implementation of procedure opera1_pid_filter_control [2019-10-13 22:48:10,601 INFO L138 BoogieDeclarations]: Found implementation of procedure opera1_rc_query [2019-10-13 22:48:10,601 INFO L138 BoogieDeclarations]: Found implementation of procedure opera1_read_mac_address [2019-10-13 22:48:10,601 INFO L138 BoogieDeclarations]: Found implementation of procedure opera1_xilinx_load_firmware [2019-10-13 22:48:10,601 INFO L138 BoogieDeclarations]: Found implementation of procedure opera1_probe [2019-10-13 22:48:10,601 INFO L138 BoogieDeclarations]: Found implementation of procedure opera1_driver_init [2019-10-13 22:48:10,602 INFO L138 BoogieDeclarations]: Found implementation of procedure opera1_driver_exit [2019-10-13 22:48:10,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_driver_1 [2019-10-13 22:48:10,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_i2c_algorithm_4 [2019-10-13 22:48:10,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_dvb_usb_device_properties_2 [2019-10-13 22:48:10,602 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 22:48:10,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_5 [2019-10-13 22:48:10,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_6 [2019-10-13 22:48:10,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_7 [2019-10-13 22:48:10,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_8 [2019-10-13 22:48:10,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2019-10-13 22:48:10,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_10 [2019-10-13 22:48:10,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_11 [2019-10-13 22:48:10,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_12 [2019-10-13 22:48:10,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_13 [2019-10-13 22:48:10,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_14 [2019-10-13 22:48:10,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_15 [2019-10-13 22:48:10,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_register_driver_16 [2019-10-13 22:48:10,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_deregister_17 [2019-10-13 22:48:10,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2019-10-13 22:48:10,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_negative [2019-10-13 22:48:10,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2019-10-13 22:48:10,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_err_ptr [2019-10-13 22:48:10,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ptr_err [2019-10-13 22:48:10,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null [2019-10-13 22:48:10,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_i2c_mutex_of_dvb_usb_device [2019-10-13 22:48:10,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_i2c_mutex_of_dvb_usb_device [2019-10-13 22:48:10,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_i2c_mutex_of_dvb_usb_device [2019-10-13 22:48:10,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_i2c_mutex_of_dvb_usb_device [2019-10-13 22:48:10,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_i2c_mutex_of_dvb_usb_device [2019-10-13 22:48:10,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_i2c_mutex_of_dvb_usb_device [2019-10-13 22:48:10,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_i2c_mutex_of_dvb_usb_device [2019-10-13 22:48:10,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_i2c_mutex_of_dvb_usb_device [2019-10-13 22:48:10,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_i2c_mutex_of_dvb_usb_device [2019-10-13 22:48:10,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_i2c_mutex_of_dvb_usb_device [2019-10-13 22:48:10,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_i2c_mutex_of_dvb_usb_device [2019-10-13 22:48:10,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_i_mutex_of_inode [2019-10-13 22:48:10,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_i_mutex_of_inode [2019-10-13 22:48:10,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_i_mutex_of_inode [2019-10-13 22:48:10,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_i_mutex_of_inode [2019-10-13 22:48:10,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2019-10-13 22:48:10,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_i_mutex_of_inode [2019-10-13 22:48:10,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_i_mutex_of_inode [2019-10-13 22:48:10,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_i_mutex_of_inode [2019-10-13 22:48:10,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_i_mutex_of_inode [2019-10-13 22:48:10,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_i_mutex_of_inode [2019-10-13 22:48:10,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_i_mutex_of_inode [2019-10-13 22:48:10,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2019-10-13 22:48:10,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2019-10-13 22:48:10,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2019-10-13 22:48:10,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2019-10-13 22:48:10,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-13 22:48:10,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2019-10-13 22:48:10,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2019-10-13 22:48:10,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_lock [2019-10-13 22:48:10,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_lock [2019-10-13 22:48:10,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_lock [2019-10-13 22:48:10,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_lock [2019-10-13 22:48:10,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-13 22:48:10,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-13 22:48:10,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2019-10-13 22:48:10,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2019-10-13 22:48:10,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-13 22:48:10,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-13 22:48:10,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2019-10-13 22:48:10,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_mutex_of_device [2019-10-13 22:48:10,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_mutex_of_device [2019-10-13 22:48:10,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2019-10-13 22:48:10,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_mutex_of_device [2019-10-13 22:48:10,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_usb_mutex_of_dvb_usb_device [2019-10-13 22:48:10,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_usb_mutex_of_dvb_usb_device [2019-10-13 22:48:10,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_usb_mutex_of_dvb_usb_device [2019-10-13 22:48:10,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_usb_mutex_of_dvb_usb_device [2019-10-13 22:48:10,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_usb_mutex_of_dvb_usb_device [2019-10-13 22:48:10,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_usb_mutex_of_dvb_usb_device [2019-10-13 22:48:10,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_usb_mutex_of_dvb_usb_device [2019-10-13 22:48:10,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_usb_mutex_of_dvb_usb_device [2019-10-13 22:48:10,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_trylock_device_usb_mutex_of_dvb_usb_device [2019-10-13 22:48:10,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_lock_device_for_reset_usb_mutex_of_dvb_usb_device [2019-10-13 22:48:10,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_unlock_device_usb_mutex_of_dvb_usb_device [2019-10-13 22:48:10,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2019-10-13 22:48:10,613 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_module [2019-10-13 22:48:10,614 INFO L138 BoogieDeclarations]: Found implementation of procedure __symbol_get [2019-10-13 22:48:10,614 INFO L138 BoogieDeclarations]: Found implementation of procedure __symbol_put [2019-10-13 22:48:10,614 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_usb_device_exit [2019-10-13 22:48:10,614 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_usb_device_init [2019-10-13 22:48:10,614 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_transfer [2019-10-13 22:48:10,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2019-10-13 22:48:10,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_probe_2 [2019-10-13 22:48:10,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_2 [2019-10-13 22:48:10,615 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2019-10-13 22:48:10,615 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2019-10-13 22:48:10,615 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2019-10-13 22:48:10,615 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2019-10-13 22:48:10,615 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2019-10-13 22:48:10,616 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2019-10-13 22:48:10,616 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2019-10-13 22:48:10,616 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2019-10-13 22:48:10,616 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_deregister [2019-10-13 22:48:10,616 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_register_driver [2019-10-13 22:48:10,616 INFO L138 BoogieDeclarations]: Found implementation of procedure external_alloc [2019-10-13 22:48:10,617 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-10-13 22:48:10,617 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2019-10-13 22:48:10,617 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-10-13 22:48:10,617 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2019-10-13 22:48:10,617 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2019-10-13 22:48:10,618 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 22:48:10,618 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-10-13 22:48:10,618 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_guard [2019-10-13 22:48:10,618 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2019-10-13 22:48:10,618 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2019-10-13 22:48:10,618 INFO L130 BoogieDeclarations]: Found specification of procedure memmove [2019-10-13 22:48:10,618 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2019-10-13 22:48:10,619 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2019-10-13 22:48:10,619 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_8 [2019-10-13 22:48:10,619 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2019-10-13 22:48:10,619 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_6 [2019-10-13 22:48:10,619 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2019-10-13 22:48:10,619 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_10 [2019-10-13 22:48:10,619 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_13 [2019-10-13 22:48:10,620 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_15 [2019-10-13 22:48:10,620 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 22:48:10,620 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-13 22:48:10,620 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 22:48:10,620 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2019-10-13 22:48:10,620 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-10-13 22:48:10,620 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-13 22:48:10,621 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2019-10-13 22:48:10,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 22:48:10,621 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2019-10-13 22:48:10,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-10-13 22:48:10,621 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2019-10-13 22:48:10,621 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2019-10-13 22:48:10,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2019-10-13 22:48:10,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2019-10-13 22:48:10,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ptr [2019-10-13 22:48:10,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2019-10-13 22:48:10,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2019-10-13 22:48:10,622 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2019-10-13 22:48:10,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_12 [2019-10-13 22:48:10,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_14 [2019-10-13 22:48:10,623 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2019-10-13 22:48:10,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_5 [2019-10-13 22:48:10,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_7 [2019-10-13 22:48:10,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_11 [2019-10-13 22:48:10,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_i2c_mutex_of_dvb_usb_device [2019-10-13 22:48:10,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_i2c_mutex_of_dvb_usb_device [2019-10-13 22:48:10,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_i_mutex_of_inode [2019-10-13 22:48:10,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_i_mutex_of_inode [2019-10-13 22:48:10,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2019-10-13 22:48:10,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2019-10-13 22:48:10,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2019-10-13 22:48:10,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2019-10-13 22:48:10,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2019-10-13 22:48:10,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_usb_mutex_of_dvb_usb_device [2019-10-13 22:48:10,624 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_usb_mutex_of_dvb_usb_device [2019-10-13 22:48:10,625 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-10-13 22:48:10,625 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2019-10-13 22:48:10,625 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2019-10-13 22:48:10,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_driver_1 [2019-10-13 22:48:10,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_i2c_algorithm_4 [2019-10-13 22:48:10,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_dvb_usb_device_properties_2 [2019-10-13 22:48:10,625 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2019-10-13 22:48:10,625 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 22:48:10,626 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2019-10-13 22:48:10,626 INFO L130 BoogieDeclarations]: Found specification of procedure usb_register_driver [2019-10-13 22:48:10,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_register_driver_16 [2019-10-13 22:48:10,626 INFO L130 BoogieDeclarations]: Found specification of procedure usb_deregister [2019-10-13 22:48:10,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_deregister_17 [2019-10-13 22:48:10,626 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2019-10-13 22:48:10,626 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2019-10-13 22:48:10,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 22:48:10,627 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2019-10-13 22:48:10,627 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2019-10-13 22:48:10,627 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_transfer [2019-10-13 22:48:10,627 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_adapdata [2019-10-13 22:48:10,627 INFO L130 BoogieDeclarations]: Found specification of procedure __request_module [2019-10-13 22:48:10,627 INFO L130 BoogieDeclarations]: Found specification of procedure __symbol_get [2019-10-13 22:48:10,628 INFO L130 BoogieDeclarations]: Found specification of procedure __symbol_put [2019-10-13 22:48:10,628 INFO L130 BoogieDeclarations]: Found specification of procedure rc5_scan [2019-10-13 22:48:10,628 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_usb_device_init [2019-10-13 22:48:10,628 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_usb_device_exit [2019-10-13 22:48:10,628 INFO L130 BoogieDeclarations]: Found specification of procedure stv0299_writereg [2019-10-13 22:48:10,628 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 22:48:10,628 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~int [2019-10-13 22:48:10,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 22:48:10,629 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 22:48:10,629 INFO L130 BoogieDeclarations]: Found specification of procedure opera1_xilinx_rw [2019-10-13 22:48:10,629 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2019-10-13 22:48:10,629 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2019-10-13 22:48:10,629 INFO L130 BoogieDeclarations]: Found specification of procedure opera1_usb_i2c_msgxfer [2019-10-13 22:48:10,629 INFO L130 BoogieDeclarations]: Found specification of procedure opera1_i2c_xfer [2019-10-13 22:48:10,629 INFO L130 BoogieDeclarations]: Found specification of procedure opera1_i2c_func [2019-10-13 22:48:10,630 INFO L130 BoogieDeclarations]: Found specification of procedure opera1_set_voltage [2019-10-13 22:48:10,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 22:48:10,630 INFO L130 BoogieDeclarations]: Found specification of procedure opera1_stv0299_set_symbol_rate [2019-10-13 22:48:10,630 INFO L130 BoogieDeclarations]: Found specification of procedure opera1_frontend_attach [2019-10-13 22:48:10,630 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~$Pointer$ [2019-10-13 22:48:10,630 INFO L130 BoogieDeclarations]: Found specification of procedure opera1_tuner_attach [2019-10-13 22:48:10,630 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~int~TO~$Pointer$ [2019-10-13 22:48:10,630 INFO L130 BoogieDeclarations]: Found specification of procedure opera1_power_ctrl [2019-10-13 22:48:10,631 INFO L130 BoogieDeclarations]: Found specification of procedure opera1_streaming_ctrl [2019-10-13 22:48:10,631 INFO L130 BoogieDeclarations]: Found specification of procedure opera1_pid_filter [2019-10-13 22:48:10,631 INFO L130 BoogieDeclarations]: Found specification of procedure opera1_pid_filter_control [2019-10-13 22:48:10,631 INFO L130 BoogieDeclarations]: Found specification of procedure opera1_rc_query [2019-10-13 22:48:10,631 INFO L130 BoogieDeclarations]: Found specification of procedure opera1_read_mac_address [2019-10-13 22:48:10,631 INFO L130 BoogieDeclarations]: Found specification of procedure opera1_xilinx_load_firmware [2019-10-13 22:48:10,631 INFO L130 BoogieDeclarations]: Found specification of procedure opera1_probe [2019-10-13 22:48:10,632 INFO L130 BoogieDeclarations]: Found specification of procedure opera1_driver_init [2019-10-13 22:48:10,632 INFO L130 BoogieDeclarations]: Found specification of procedure opera1_driver_exit [2019-10-13 22:48:10,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2019-10-13 22:48:10,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_2 [2019-10-13 22:48:10,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2019-10-13 22:48:10,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_probe_2 [2019-10-13 22:48:10,632 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 22:48:10,632 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2019-10-13 22:48:10,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_negative [2019-10-13 22:48:10,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2019-10-13 22:48:10,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_err_ptr [2019-10-13 22:48:10,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ptr_err [2019-10-13 22:48:10,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null [2019-10-13 22:48:10,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_i2c_mutex_of_dvb_usb_device [2019-10-13 22:48:10,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_i2c_mutex_of_dvb_usb_device [2019-10-13 22:48:10,633 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_i2c_mutex_of_dvb_usb_device [2019-10-13 22:48:10,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_i2c_mutex_of_dvb_usb_device [2019-10-13 22:48:10,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_i2c_mutex_of_dvb_usb_device [2019-10-13 22:48:10,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_i2c_mutex_of_dvb_usb_device [2019-10-13 22:48:10,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_i2c_mutex_of_dvb_usb_device [2019-10-13 22:48:10,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_i2c_mutex_of_dvb_usb_device [2019-10-13 22:48:10,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_i2c_mutex_of_dvb_usb_device [2019-10-13 22:48:10,634 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_i_mutex_of_inode [2019-10-13 22:48:10,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_i_mutex_of_inode [2019-10-13 22:48:10,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_i_mutex_of_inode [2019-10-13 22:48:10,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_i_mutex_of_inode [2019-10-13 22:48:10,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_i_mutex_of_inode [2019-10-13 22:48:10,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_i_mutex_of_inode [2019-10-13 22:48:10,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_i_mutex_of_inode [2019-10-13 22:48:10,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_i_mutex_of_inode [2019-10-13 22:48:10,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_i_mutex_of_inode [2019-10-13 22:48:10,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2019-10-13 22:48:10,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2019-10-13 22:48:10,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2019-10-13 22:48:10,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2019-10-13 22:48:10,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2019-10-13 22:48:10,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_lock [2019-10-13 22:48:10,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_lock [2019-10-13 22:48:10,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_lock [2019-10-13 22:48:10,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_lock [2019-10-13 22:48:10,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2019-10-13 22:48:10,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2019-10-13 22:48:10,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2019-10-13 22:48:10,637 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2019-10-13 22:48:10,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_mutex_of_device [2019-10-13 22:48:10,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_mutex_of_device [2019-10-13 22:48:10,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_mutex_of_device [2019-10-13 22:48:10,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_mutex_of_device [2019-10-13 22:48:10,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_usb_mutex_of_dvb_usb_device [2019-10-13 22:48:10,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_usb_mutex_of_dvb_usb_device [2019-10-13 22:48:10,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_usb_mutex_of_dvb_usb_device [2019-10-13 22:48:10,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_usb_mutex_of_dvb_usb_device [2019-10-13 22:48:10,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_usb_mutex_of_dvb_usb_device [2019-10-13 22:48:10,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_usb_mutex_of_dvb_usb_device [2019-10-13 22:48:10,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_trylock_device_usb_mutex_of_dvb_usb_device [2019-10-13 22:48:10,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_lock_device_for_reset_usb_mutex_of_dvb_usb_device [2019-10-13 22:48:10,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_unlock_device_usb_mutex_of_dvb_usb_device [2019-10-13 22:48:10,639 INFO L130 BoogieDeclarations]: Found specification of procedure external_alloc [2019-10-13 22:48:10,639 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 22:48:10,640 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 22:48:10,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 22:48:10,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-13 22:48:10,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-13 22:48:10,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-13 22:48:10,640 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 22:48:10,640 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-13 22:48:10,640 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-13 22:48:11,576 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2019-10-13 22:48:30,015 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 22:48:30,015 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-13 22:48:30,017 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:48:30 BoogieIcfgContainer [2019-10-13 22:48:30,017 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 22:48:30,018 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 22:48:30,018 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 22:48:30,021 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 22:48:30,022 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 10:48:07" (1/3) ... [2019-10-13 22:48:30,022 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@159454a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:48:30, skipping insertion in model container [2019-10-13 22:48:30,023 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:48:10" (2/3) ... [2019-10-13 22:48:30,023 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@159454a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:48:30, skipping insertion in model container [2019-10-13 22:48:30,023 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:48:30" (3/3) ... [2019-10-13 22:48:30,025 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--media--usb--dvb-usb--dvb-usb-opera.ko-entry_point.cil.out.i [2019-10-13 22:48:30,034 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 22:48:30,044 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 22:48:30,055 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 22:48:30,083 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 22:48:30,084 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 22:48:30,084 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 22:48:30,084 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 22:48:30,084 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 22:48:30,084 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 22:48:30,084 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 22:48:30,084 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 22:48:30,117 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states. [2019-10-13 22:48:30,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2019-10-13 22:48:30,137 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:48:30,138 INFO L380 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 22:48:30,140 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:48:30,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:48:30,146 INFO L82 PathProgramCache]: Analyzing trace with hash 978770070, now seen corresponding path program 1 times [2019-10-13 22:48:30,155 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:48:30,155 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138575710] [2019-10-13 22:48:30,155 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:48:30,155 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:48:30,156 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:48:30,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:48:31,025 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2019-10-13 22:48:31,026 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138575710] [2019-10-13 22:48:31,027 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:48:31,027 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 22:48:31,027 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921005593] [2019-10-13 22:48:31,032 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 22:48:31,032 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:48:31,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 22:48:31,045 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:48:31,047 INFO L87 Difference]: Start difference. First operand 642 states. Second operand 3 states. [2019-10-13 22:48:33,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:48:33,322 INFO L93 Difference]: Finished difference Result 1160 states and 1556 transitions. [2019-10-13 22:48:33,322 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 22:48:33,324 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 114 [2019-10-13 22:48:33,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:48:33,346 INFO L225 Difference]: With dead ends: 1160 [2019-10-13 22:48:33,346 INFO L226 Difference]: Without dead ends: 745 [2019-10-13 22:48:33,355 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 22:48:33,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 745 states. [2019-10-13 22:48:33,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 745 to 739. [2019-10-13 22:48:33,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 739 states. [2019-10-13 22:48:33,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 739 states to 739 states and 949 transitions. [2019-10-13 22:48:33,486 INFO L78 Accepts]: Start accepts. Automaton has 739 states and 949 transitions. Word has length 114 [2019-10-13 22:48:33,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:48:33,487 INFO L462 AbstractCegarLoop]: Abstraction has 739 states and 949 transitions. [2019-10-13 22:48:33,487 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 22:48:33,487 INFO L276 IsEmpty]: Start isEmpty. Operand 739 states and 949 transitions. [2019-10-13 22:48:33,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2019-10-13 22:48:33,492 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:48:33,492 INFO L380 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 22:48:33,492 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:48:33,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:48:33,493 INFO L82 PathProgramCache]: Analyzing trace with hash 2144943419, now seen corresponding path program 1 times [2019-10-13 22:48:33,493 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:48:33,493 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335637064] [2019-10-13 22:48:33,494 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:48:33,494 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:48:33,494 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:48:33,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:48:33,786 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2019-10-13 22:48:33,786 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335637064] [2019-10-13 22:48:33,787 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:48:33,787 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 22:48:33,787 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712877002] [2019-10-13 22:48:33,789 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 22:48:33,789 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:48:33,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 22:48:33,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:48:33,789 INFO L87 Difference]: Start difference. First operand 739 states and 949 transitions. Second operand 3 states. [2019-10-13 22:48:33,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:48:33,955 INFO L93 Difference]: Finished difference Result 2117 states and 2715 transitions. [2019-10-13 22:48:33,955 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 22:48:33,956 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 119 [2019-10-13 22:48:33,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:48:33,979 INFO L225 Difference]: With dead ends: 2117 [2019-10-13 22:48:33,980 INFO L226 Difference]: Without dead ends: 1413 [2019-10-13 22:48:33,983 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 22:48:33,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1413 states. [2019-10-13 22:48:34,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1413 to 1384. [2019-10-13 22:48:34,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1384 states. [2019-10-13 22:48:34,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1384 states to 1384 states and 1777 transitions. [2019-10-13 22:48:34,092 INFO L78 Accepts]: Start accepts. Automaton has 1384 states and 1777 transitions. Word has length 119 [2019-10-13 22:48:34,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:48:34,092 INFO L462 AbstractCegarLoop]: Abstraction has 1384 states and 1777 transitions. [2019-10-13 22:48:34,093 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 22:48:34,093 INFO L276 IsEmpty]: Start isEmpty. Operand 1384 states and 1777 transitions. [2019-10-13 22:48:34,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2019-10-13 22:48:34,096 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:48:34,096 INFO L380 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 22:48:34,096 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:48:34,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:48:34,097 INFO L82 PathProgramCache]: Analyzing trace with hash 1666159257, now seen corresponding path program 1 times [2019-10-13 22:48:34,097 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:48:34,097 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027251414] [2019-10-13 22:48:34,098 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:48:34,098 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:48:34,098 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:48:34,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:48:34,371 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2019-10-13 22:48:34,372 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027251414] [2019-10-13 22:48:34,372 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:48:34,372 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 22:48:34,373 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465754815] [2019-10-13 22:48:34,374 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 22:48:34,375 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:48:34,375 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 22:48:34,375 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:48:34,375 INFO L87 Difference]: Start difference. First operand 1384 states and 1777 transitions. Second operand 3 states. [2019-10-13 22:48:34,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:48:34,540 INFO L93 Difference]: Finished difference Result 3808 states and 4907 transitions. [2019-10-13 22:48:34,540 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 22:48:34,540 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 129 [2019-10-13 22:48:34,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:48:34,558 INFO L225 Difference]: With dead ends: 3808 [2019-10-13 22:48:34,558 INFO L226 Difference]: Without dead ends: 2459 [2019-10-13 22:48:34,565 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 22:48:34,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2459 states. [2019-10-13 22:48:34,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2459 to 2419. [2019-10-13 22:48:34,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2419 states. [2019-10-13 22:48:34,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2419 states to 2419 states and 3128 transitions. [2019-10-13 22:48:34,665 INFO L78 Accepts]: Start accepts. Automaton has 2419 states and 3128 transitions. Word has length 129 [2019-10-13 22:48:34,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:48:34,665 INFO L462 AbstractCegarLoop]: Abstraction has 2419 states and 3128 transitions. [2019-10-13 22:48:34,665 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 22:48:34,665 INFO L276 IsEmpty]: Start isEmpty. Operand 2419 states and 3128 transitions. [2019-10-13 22:48:34,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2019-10-13 22:48:34,668 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:48:34,668 INFO L380 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 22:48:34,668 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:48:34,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:48:34,669 INFO L82 PathProgramCache]: Analyzing trace with hash -992113304, now seen corresponding path program 1 times [2019-10-13 22:48:34,669 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:48:34,669 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39560373] [2019-10-13 22:48:34,669 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:48:34,669 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:48:34,670 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:48:34,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:48:34,954 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2019-10-13 22:48:34,954 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39560373] [2019-10-13 22:48:34,955 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:48:34,955 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 22:48:34,955 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137533429] [2019-10-13 22:48:34,956 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 22:48:34,956 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:48:34,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 22:48:34,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:48:34,957 INFO L87 Difference]: Start difference. First operand 2419 states and 3128 transitions. Second operand 3 states. [2019-10-13 22:48:35,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:48:35,123 INFO L93 Difference]: Finished difference Result 4476 states and 5880 transitions. [2019-10-13 22:48:35,124 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 22:48:35,124 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 130 [2019-10-13 22:48:35,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:48:35,164 INFO L225 Difference]: With dead ends: 4476 [2019-10-13 22:48:35,164 INFO L226 Difference]: Without dead ends: 4472 [2019-10-13 22:48:35,168 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 22:48:35,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4472 states. [2019-10-13 22:48:35,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4472 to 4459. [2019-10-13 22:48:35,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4459 states. [2019-10-13 22:48:35,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4459 states to 4459 states and 5858 transitions. [2019-10-13 22:48:35,389 INFO L78 Accepts]: Start accepts. Automaton has 4459 states and 5858 transitions. Word has length 130 [2019-10-13 22:48:35,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:48:35,390 INFO L462 AbstractCegarLoop]: Abstraction has 4459 states and 5858 transitions. [2019-10-13 22:48:35,390 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 22:48:35,390 INFO L276 IsEmpty]: Start isEmpty. Operand 4459 states and 5858 transitions. [2019-10-13 22:48:35,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2019-10-13 22:48:35,392 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:48:35,392 INFO L380 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 22:48:35,393 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:48:35,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:48:35,393 INFO L82 PathProgramCache]: Analyzing trace with hash -691117844, now seen corresponding path program 1 times [2019-10-13 22:48:35,393 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:48:35,394 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850423905] [2019-10-13 22:48:35,394 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:48:35,394 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:48:35,394 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:48:35,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:48:35,663 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2019-10-13 22:48:35,663 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850423905] [2019-10-13 22:48:35,663 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:48:35,664 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 22:48:35,664 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344761443] [2019-10-13 22:48:35,664 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 22:48:35,665 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:48:35,665 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 22:48:35,665 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:48:35,665 INFO L87 Difference]: Start difference. First operand 4459 states and 5858 transitions. Second operand 3 states. [2019-10-13 22:48:35,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:48:35,800 INFO L93 Difference]: Finished difference Result 4461 states and 5859 transitions. [2019-10-13 22:48:35,800 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 22:48:35,801 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 131 [2019-10-13 22:48:35,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:48:35,831 INFO L225 Difference]: With dead ends: 4461 [2019-10-13 22:48:35,831 INFO L226 Difference]: Without dead ends: 4458 [2019-10-13 22:48:35,835 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 22:48:35,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4458 states. [2019-10-13 22:48:36,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4458 to 4458. [2019-10-13 22:48:36,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4458 states. [2019-10-13 22:48:36,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4458 states to 4458 states and 5856 transitions. [2019-10-13 22:48:36,188 INFO L78 Accepts]: Start accepts. Automaton has 4458 states and 5856 transitions. Word has length 131 [2019-10-13 22:48:36,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:48:36,189 INFO L462 AbstractCegarLoop]: Abstraction has 4458 states and 5856 transitions. [2019-10-13 22:48:36,189 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 22:48:36,189 INFO L276 IsEmpty]: Start isEmpty. Operand 4458 states and 5856 transitions. [2019-10-13 22:48:36,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2019-10-13 22:48:36,191 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:48:36,192 INFO L380 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 22:48:36,192 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:48:36,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:48:36,193 INFO L82 PathProgramCache]: Analyzing trace with hash 49811691, now seen corresponding path program 1 times [2019-10-13 22:48:36,193 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:48:36,193 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877847165] [2019-10-13 22:48:36,193 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:48:36,193 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:48:36,194 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:48:36,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:48:36,448 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2019-10-13 22:48:36,449 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877847165] [2019-10-13 22:48:36,449 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:48:36,449 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 22:48:36,449 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013592123] [2019-10-13 22:48:36,450 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 22:48:36,450 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:48:36,450 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 22:48:36,450 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:48:36,450 INFO L87 Difference]: Start difference. First operand 4458 states and 5856 transitions. Second operand 3 states. [2019-10-13 22:48:36,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:48:36,575 INFO L93 Difference]: Finished difference Result 4460 states and 5857 transitions. [2019-10-13 22:48:36,576 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 22:48:36,576 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 132 [2019-10-13 22:48:36,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:48:36,603 INFO L225 Difference]: With dead ends: 4460 [2019-10-13 22:48:36,604 INFO L226 Difference]: Without dead ends: 4457 [2019-10-13 22:48:36,607 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 22:48:36,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4457 states. [2019-10-13 22:48:36,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4457 to 4457. [2019-10-13 22:48:36,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4457 states. [2019-10-13 22:48:36,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4457 states to 4457 states and 5854 transitions. [2019-10-13 22:48:36,829 INFO L78 Accepts]: Start accepts. Automaton has 4457 states and 5854 transitions. Word has length 132 [2019-10-13 22:48:36,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:48:36,829 INFO L462 AbstractCegarLoop]: Abstraction has 4457 states and 5854 transitions. [2019-10-13 22:48:36,830 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 22:48:36,830 INFO L276 IsEmpty]: Start isEmpty. Operand 4457 states and 5854 transitions. [2019-10-13 22:48:36,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2019-10-13 22:48:36,832 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:48:36,832 INFO L380 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 22:48:36,832 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:48:36,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:48:36,833 INFO L82 PathProgramCache]: Analyzing trace with hash 1543795663, now seen corresponding path program 1 times [2019-10-13 22:48:36,833 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:48:36,833 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720890305] [2019-10-13 22:48:36,833 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:48:36,833 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:48:36,833 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:48:36,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:48:37,134 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2019-10-13 22:48:37,135 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720890305] [2019-10-13 22:48:37,135 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:48:37,136 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 22:48:37,136 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035987442] [2019-10-13 22:48:37,137 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 22:48:37,137 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:48:37,137 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 22:48:37,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:48:37,138 INFO L87 Difference]: Start difference. First operand 4457 states and 5854 transitions. Second operand 3 states. [2019-10-13 22:48:37,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:48:37,296 INFO L93 Difference]: Finished difference Result 4459 states and 5855 transitions. [2019-10-13 22:48:37,296 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 22:48:37,296 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 133 [2019-10-13 22:48:37,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:48:37,323 INFO L225 Difference]: With dead ends: 4459 [2019-10-13 22:48:37,323 INFO L226 Difference]: Without dead ends: 4456 [2019-10-13 22:48:37,327 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 22:48:37,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4456 states. [2019-10-13 22:48:37,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4456 to 4456. [2019-10-13 22:48:37,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4456 states. [2019-10-13 22:48:37,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4456 states to 4456 states and 5852 transitions. [2019-10-13 22:48:37,539 INFO L78 Accepts]: Start accepts. Automaton has 4456 states and 5852 transitions. Word has length 133 [2019-10-13 22:48:37,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:48:37,540 INFO L462 AbstractCegarLoop]: Abstraction has 4456 states and 5852 transitions. [2019-10-13 22:48:37,540 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 22:48:37,540 INFO L276 IsEmpty]: Start isEmpty. Operand 4456 states and 5852 transitions. [2019-10-13 22:48:37,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2019-10-13 22:48:37,542 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:48:37,543 INFO L380 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 22:48:37,543 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:48:37,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:48:37,543 INFO L82 PathProgramCache]: Analyzing trace with hash 612663406, now seen corresponding path program 1 times [2019-10-13 22:48:37,543 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:48:37,544 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936668084] [2019-10-13 22:48:37,544 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:48:37,544 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:48:37,544 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:48:37,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:48:37,818 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2019-10-13 22:48:37,819 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936668084] [2019-10-13 22:48:37,819 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:48:37,819 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 22:48:37,819 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700677707] [2019-10-13 22:48:37,820 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 22:48:37,820 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:48:37,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 22:48:37,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 22:48:37,821 INFO L87 Difference]: Start difference. First operand 4456 states and 5852 transitions. Second operand 3 states. [2019-10-13 22:48:38,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:48:38,101 INFO L93 Difference]: Finished difference Result 8734 states and 11681 transitions. [2019-10-13 22:48:38,101 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 22:48:38,101 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 134 [2019-10-13 22:48:38,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:48:38,153 INFO L225 Difference]: With dead ends: 8734 [2019-10-13 22:48:38,153 INFO L226 Difference]: Without dead ends: 8713 [2019-10-13 22:48:38,161 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 22:48:38,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8713 states. [2019-10-13 22:48:39,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8713 to 8697. [2019-10-13 22:48:39,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8697 states. [2019-10-13 22:48:39,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8697 states to 8697 states and 11630 transitions. [2019-10-13 22:48:39,221 INFO L78 Accepts]: Start accepts. Automaton has 8697 states and 11630 transitions. Word has length 134 [2019-10-13 22:48:39,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:48:39,222 INFO L462 AbstractCegarLoop]: Abstraction has 8697 states and 11630 transitions. [2019-10-13 22:48:39,222 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 22:48:39,222 INFO L276 IsEmpty]: Start isEmpty. Operand 8697 states and 11630 transitions. [2019-10-13 22:48:39,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2019-10-13 22:48:39,229 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:48:39,229 INFO L380 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 4, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 22:48:39,229 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:48:39,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:48:39,230 INFO L82 PathProgramCache]: Analyzing trace with hash -960364621, now seen corresponding path program 1 times [2019-10-13 22:48:39,230 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:48:39,230 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874724763] [2019-10-13 22:48:39,230 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:48:39,231 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:48:39,231 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:48:39,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:48:39,723 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 262 trivial. 0 not checked. [2019-10-13 22:48:39,724 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1874724763] [2019-10-13 22:48:39,724 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:48:39,724 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-13 22:48:39,724 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345551371] [2019-10-13 22:48:39,725 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 22:48:39,725 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:48:39,726 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 22:48:39,726 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2019-10-13 22:48:39,726 INFO L87 Difference]: Start difference. First operand 8697 states and 11630 transitions. Second operand 8 states.